<SEC-DOCUMENT>0001193125-19-244019.txt : 20190912
<SEC-HEADER>0001193125-19-244019.hdr.sgml : 20190912
<ACCEPTANCE-DATETIME>20190912171903
ACCESSION NUMBER:		0001193125-19-244019
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20190910
ITEM INFORMATION:		Cost Associated with Exit or Disposal Activities
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190912
DATE AS OF CHANGE:		20190912

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZAFGEN, INC.
		CENTRAL INDEX KEY:			0001374690
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				203857670
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36510
		FILM NUMBER:		191091008

	BUSINESS ADDRESS:	
		STREET 1:		3 CENTER PLAZA
		STREET 2:		SUITE 610
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108
		BUSINESS PHONE:		617-622-4003

	MAIL ADDRESS:	
		STREET 1:		3 CENTER PLAZA
		STREET 2:		SUITE 610
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZAFGEN INC
		DATE OF NAME CHANGE:	20060906
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d798377d8k.htm
<DESCRIPTION>8-K
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<TITLE>8-K</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">8-K</FONT> </B></P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>CURRENT
REPORT </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Pursuant to Section&nbsp;13 or 15(d) </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>of The Securities Exchange Act of 1934 </B></P>
<P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Date of Report (Date of Earliest Event Reported): September&nbsp;10, 2019 </B></P>
<P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>Zafgen, Inc. </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact
name of registrant as specified in its charter) </B></P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><B>DELAWARE</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">001-36510</FONT></B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">20-3857670</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>of incorporation)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Commission</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>File Number)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
</TABLE> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>3 Center Plaza, Suite 610</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Boston, Massachusetts</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>02108</B></TD></TR>
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<TD VALIGN="top" ALIGN="center"><B>(Address of principal executive offices)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Registrant&#146;s telephone number, including area code
<FONT STYLE="white-space:nowrap">(617)&nbsp;622-4003</FONT> </B></P> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Not Applicable </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Former name or former address, if changed since last report) </B></P>
<P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Check the appropriate box below if the Form <FONT STYLE="white-space:nowrap">8-K</FONT> filing is intended to simultaneously satisfy the filing obligation of
the registrant under any of the following provisions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Soliciting material pursuant to <FONT STYLE="white-space:nowrap">Rule&nbsp;14a-12</FONT> under the Exchange Act
(17 CFR <FONT STYLE="white-space:nowrap">240.14a-12)</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to <FONT
STYLE="white-space:nowrap">Rule&nbsp;14d-2(b)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.14d-2(b))</FONT> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#9744;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><FONT STYLE="white-space:nowrap">Pre-commencement</FONT> communications pursuant to <FONT
STYLE="white-space:nowrap">Rule&nbsp;13e-4(c)</FONT> under the Exchange Act (17 CFR <FONT STYLE="white-space:nowrap">240.13e-4(c))</FONT> </P></TD></TR></TABLE>
<P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities registered pursuant to Section&nbsp;12(b) of the Act: </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Title of each class</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Trading</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Symbol(s)</B></P></TD>
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<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Name of each exchange</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>on which registered</B></P></TD></TR>


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<TD VALIGN="top" ALIGN="center"><B>Common Stock</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>ZFGN</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>NASDAQ Global Market</B></TD></TR>
</TABLE> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of
1933 (&#167; 230.405 of this chapter) or Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Securities Exchange Act of 1934 (&#167; <FONT STYLE="white-space:nowrap">240.12b-2</FONT> of this chapter). </P>
<P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging growth company&nbsp;&nbsp;&#9746; </P> <P STYLE="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging
growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the Exchange
Act.&nbsp;&nbsp;&#9746; </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;2.05&nbsp;Costs Associated with Exit or Disposal Activities. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On September&nbsp;10, 2019, the Compensation Committee (the &#147;Compensation Committee&#148;) of the Board of Directors of Zafgen, Inc. (the
&#147;Company&#148;) commenced a reduction in force and retention plan. The reduction in force includes reducing employees by approximately 48%, and when combined with the reduction in force announced on July&nbsp;24, 2019 and other attrition in
2019, results in a total reduction of employees of approximately 70%. The retention plan is designed to retain the employees required to explore and consummate a strategic transaction as previously announced. As a result, the Company expects to
incur personnel-related restructuring charges of (a)&nbsp;approximately $2.0&nbsp;million in connection with <FONT STYLE="white-space:nowrap">one-time</FONT> employee termination costs, including severance and other benefits, which is expected to be
incurred primarily in the third quarter of 2019, and (b)&nbsp;approximately $5.4&nbsp;million in connection with <FONT STYLE="white-space:nowrap">one-time</FONT> employee retention costs, including severance, retention bonuses and other benefits,
which is expected to be incurred primarily upon the consummation of the strategic transaction. Of the $5.4&nbsp;million retention costs, $2.6&nbsp;million was previously guaranteed under existing severance and <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">change-in-control</FONT></FONT> agreements (each, a &#147;Severance Agreement&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, the Company
expects to have <FONT STYLE="white-space:nowrap">non-personnel</FONT> related expense savings in the fourth quarter of 2019 as compared to the fourth quarter of 2018 of approximately 80%. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The estimates of costs that the Company expects to incur and the timing thereof are subject to a number of assumptions and actual results may
differ. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements
of Certain Officers. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>(e) Compensatory Arrangements of Certain Officers </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the retention plan referenced in Item 2.05 of this Current Report, the Compensation Committee also approved the following
matters on September&nbsp;10, 2019: </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Amendments to Severance Agreements </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Compensation Committee approved the Company&#146;s entering into amendments to the Severance Agreements (each, a &#147;Severance
Amendment&#148;) with each of Jeffrey Hatfield, the Company&#146;s Chief Executive Officer, Patricia Allen, the Company&#146;s Chief Financial Officer, and Brian McVeigh, the Company&#146;s Chief Business Officer (each, an &#147;Executive&#148;).
The Severance Amendments are attached hereto as Exhibits 10.1, 10.2 and 10.3 hereto and incorporated herein by reference. The following summary is qualified in its entirety by the provisions of the Severance Agreements, as amended. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the Severance Amendments, each Executive&#146;s Severance Agreement is amended to provide that if a &#147;Terminating Event&#148; (as
defined in the applicable Severance Agreement, as amended) occurs, the Executive shall be entitled to, in addition to the other severance benefits specified therein, the Executive&#146;s target annual incentive compensation in effect. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each Executive&#146;s Severance Agreement is further amended to include the following
provisions that will only apply during the period between the effective date of the Severance Amendment through and including the later of (i)&nbsp;September&nbsp;1, 2020 or (ii)&nbsp;the date that is 12 months after a &#147;Change in Control&#148;
(as defined in the applicable Severance Agreement, as amended) in the event that a Change in Control occurs on or before September&nbsp;1, 2020: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">(A) in the event the Executive experiences a Terminating Event within the three (3)&nbsp;months immediately prior to a Change in Control that
occurs between the effective date of the Severance Amendment through and including September&nbsp;1, 2020, the Executive is entitled to the severance benefits that he or she would receive under the Severance Agreement if such Terminating Event had
occurred on or within the twelve (12)&nbsp;months immediately following a Change in Control, and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman">(B) in the event the Executive
experiences a Terminating Event within the three (3)&nbsp;months immediately prior to a Change in Control that occurs on or before September&nbsp;1, 2020 or within the twelve (12)&nbsp;months immediately following a Change in Control that occurs on
or before September&nbsp;1, 2020, then the exercise period with respect to the Executive&#146;s vested stock options will not expire until the earlier of (i)&nbsp;the original ten (10)&nbsp;year expiration date for such vested stock options as
provided in the applicable option agreement, or (ii)&nbsp;two (2) years after the Executive&#146;s date of termination. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each
Executive&#146;s right to benefits under the Severance Agreement, as amended, is subject to his or her executing a release of claims in favor of the Company upon the termination of his or her employment. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Annual Bonuses </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Compensation
Committee approved annual incentive compensation for the year ending December&nbsp;31, 2019 for each of the Executives at 100% corporate goals level, to be payable following the end of such year or otherwise subject to the terms of the
Executive&#146;s Severance Agreement, as amended. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Retention Bonuses </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Compensation Committee approved a retention cash bonus for Jeffrey Hatfield in an amount equal to 2.0 times his target annual incentive
compensation for the fiscal year ending December&nbsp;31, 2019, to be payable within 10 days following the signing of the definitive agreement with respect to a Change in Control so long as the signing date occurs on or before March&nbsp;31, 2020
and he remains employed with the Company on the signing date, provided, further, that if he is terminated without &#147;Cause&#148; (as defined in the applicable Severance Agreement, as amended) prior to the signing date, then he will be paid such
retention cash bonus by the earlier of (x)&nbsp;his last severance payment under the Severance Agreement, as amended, and (y)&nbsp;March&nbsp;15 of the calendar year following the calendar year in which the termination occurs. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Compensation Committee also approved retention cash bonuses for (i)&nbsp;Brian McVeigh in an amount equal to 1.5 times his target annual
incentive compensation for the fiscal year ending December&nbsp;31, 2019, and (ii)&nbsp;Patricia Allen in an amount equal to 1.5 times her target annual incentive compensation for the fiscal year ending December&nbsp;31, 2020, in each case to be
payable within 10 days following the closing of a Change in Control so long as he or she remains employed with the Company on the date of such closing, provided, further, that if he or she is terminated without Cause prior to such closing, then he
or she will be paid such retention cash bonus by the earlier of (x)&nbsp;the last severance payment under the Severance Agreement, as amended, and (y)&nbsp;March&nbsp;15 of the calendar year following the calendar year in which the termination
occurs. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&nbsp;9.01 Financial Statements and Exhibits. </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) Exhibits </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman"><B>Exhibit</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>No.</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Description</B></P></TD></TR>


<TR STYLE="font-size:1pt">
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<TD VALIGN="top" NOWRAP>10.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d798377dex101.htm">First Amendment to Severance and <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">Change-in-Control</FONT></FONT> Agreement for Jeffrey Hatfield dated September&nbsp;12, 2019.
</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="top" NOWRAP>10.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d798377dex102.htm">First Amendment to Severance and <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">Change-in-Control</FONT></FONT> Agreement for Patricia Allen dated September&nbsp;12, 2019.
</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>10.3</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d798377dex103.htm">First Amendment to Severance and <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">Change-in-Control</FONT></FONT> Agreement for Brian McVeigh dated September&nbsp;12, 2019. </A></TD></TR>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Cautionary Note Regarding Forward-Looking Statements </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This Current Report on Form <FONT STYLE="white-space:nowrap">8-K</FONT> contains statements that relate to future events and expectations, including those
relating to the reduction in force and retention plan (including the Company&#146;s expectations regarding estimated costs and anticipated completion date) and as such constitute forward-looking statements within the meaning of the Private
Securities Litigation Reform Act of 1995. Forward-looking statements include those containing such words as &#147;anticipates,&#148; &#147;believes,&#148; &#147;could,&#148; &#147;estimates,&#148; &#147;expects,&#148; &#147;forecasts,&#148;
&#147;intends,&#148; &#147;may,&#148; &#147;outlook,&#148; &#147;plans,&#148; &#147;projects,&#148; &#147;seeks,&#148; &#147;sees,&#148; &#147;should,&#148; &#147;targets,&#148; &#147;will,&#148; &#147;would,&#148; or other words of similar meaning.
All statements that reflect the Company&#146;s expectations, assumptions or projections about the future, other than statements of historical fact, are forward-looking statements. Forward-looking statements are not guarantees of future performance
and are subject to known and unknown risks, uncertainties, and changes in circumstances that are difficult to predict. Although the Company believes that the expectations reflected in any forward-looking statements are based on reasonable
assumptions, it can give no assurance that these expectations will be attained and it is possible that actual results may differ materially from those indicated by these forward-looking statements due to a variety of risks and uncertainties.
Additional information concerning factors that could cause actual results to differ materially from those projected in the forward-looking statements is contained in the Company&#146;s filings with the U.S. Securities and Exchange Commission. The
Company disclaims any obligation to update publicly any forward-looking statements, whether in response to new information, future events or otherwise, except as required by applicable law. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; * </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SIGNATURE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top">Date: September&nbsp;12, 2019</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" COLSPAN="3"><B>ZAFGEN, INC. </B></TD></TR>
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<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Jeffrey S. Hatfield</P></TD></TR>
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<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
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<TD VALIGN="top">Jeffrey S. Hatfield</TD></TR>
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<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Chief Executive Officer</TD></TR>
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<TYPE>EX-10.1
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<DESCRIPTION>EX-10.1
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 10.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>FIRST AMENDMENT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SEVERANCE AND CHANGE IN CONTROL AGREEMENT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This First Amendment to Severance and Change in Control Agreement (this &#147;Amendment&#148;) is entered into and effective as of
September&nbsp;12, 2019, by and between Zafgen, Inc., a Delaware corporation (the &#147;Company&#148;), and Jeffrey Hatfield (the &#147;Employee&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee are parties to a Severance and Change in Control Agreement dated as of October&nbsp;9, 2017 (the
&#147;Severance and Change in Control Agreement&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee wish to amend certain provisions of
the Severance and Change in Control Agreement; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, capitalized terms used herein and not otherwise defined shall have the
meanings ascribed to them in the Severance and Change in Control Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>NOW, THEREFORE</B>, for good and valuable consideration,
the receipt and sufficiency of which are hereby accepted and acknowledged by the Employee and the Company, the parties agree as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. Section 4 of the Severance and Change in Control Agreement is hereby amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>4</B>. <B><U>Change in Control Payment</U></B>. In the event a Terminating Event occurs on or within the 12 months immediately after a
Change in Control (such <FONT STYLE="white-space:nowrap">12-month</FONT> period, the &#147;Change in Control Period&#148;), subject to the Employee signing a separation agreement containing, among other provisions, a general release of claims in
favor of the Company and related persons and entities (but other than claims or future claims (i)<U></U> for the payments to be made, benefits to be provided and equity awards to be accelerated to or with regard to the Employee pursuant to this
Agreement, (ii)<U></U> for indemnification at law, pursuant to the Company&#146;s certificate of incorporation and/or <FONT STYLE="white-space:nowrap">by-laws,</FONT> any other written agreement between the Company and the Employee, and any
governing document concerning a group benefit plan provided by or sponsored by the Company and in which the Employee is a participant, administrator or fiduciary, (iii)<U></U> as the holder of securities of the Company, or (iv) for insurance
coverage or costs of defense available to the Employee under any policy maintained by the Company), confidentiality, return of property and <FONT STYLE="white-space:nowrap">non-disparagement,</FONT> in a form and manner reasonably satisfactory to
the Company (the &#147;Separation Agreement and Release&#148;) and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date of Termination (or such shorter time period set forth in the Separation Agreement and
Release), the following shall occur: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee an amount equal to the sum of (A)<U></U>
18 months of the Employee&#146;s annual Base Salary in effect immediately prior to the Terminating Event (or the Employee&#146;s annual base salary in effect immediately prior to the Change in Control, if higher) plus (B)<U></U> the Employee&#146;s
target annual incentive compensation in effect immediately prior to the Terminating Event (or the Covered Employee&#146;s target annual incentive compensation in effect immediately prior to the Change in Control, if higher); </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health
plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 18 months, in an amount equal to the monthly employer contribution that the Company would
have made to provide health insurance to the Employee (and his eligible dependents) if the Employee had remained employed by the Company; </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) notwithstanding anything to the contrary in any applicable option agreement or stock-based award agreement, all solely
time-based stock options and other stock-based awards with solely time-based vesting held by the Employee shall immediately accelerate and become fully exercisable or nonforfeitable as of the Employee&#146;s Date of Termination; provided that any
awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award agreement; and </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) the amounts payable under this Section 4 shall be paid out in a lump sum commencing within 60 days after the Date of
Termination; provided, however, that if the 60-day period begins in one calendar year and ends in a second calendar year, the amounts shall be paid in the second calendar year by the last day of such 60-day period; provided further, that the
payments under this Section 4 shall be reduced by the amount, if any, that the Employee is paid in the same such calendar year pursuant to a garden leave payment in a noncompetition agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. Section 5 of the Severance and Change in Control Agreement is hereby amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>5</B><B>.</B> <B><U>Severance Outside the Change in Control Period</U></B>. In the event a Terminating Event occurs at any time other than
during the Change in Control Period, subject to the Employee signing the Separation Agreement and Release and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date of Termination (or such shorter time period
set forth in the Separation Agreement and Release), the following shall occur: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee
an amount equal to the sum of (A) 12 months of the Employee&#146;s annual Base Salary in effect immediately prior to the Terminating Event plus (B)<U></U> the Employee&#146;s target annual incentive compensation in effect immediately prior to the
Terminating Event; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health
plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 12 months in an amount equal to the monthly employer contribution that the Company would
have made to provide health insurance to the Employee (and his eligible dependents) if the Employee had remained employed by the Company; and </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) the amounts payable under this Section<U></U> 5 shall be paid out in substantially equal installments in accordance with
the Company&#146;s payroll practice over 12<B> </B>months commencing within 60 days after the Date of Termination; provided, however, that if the 60-day period begins in one calendar year and ends in a second calendar year, the Severance Amount
shall begin to be paid in the second calendar year by the last day of such <FONT STYLE="white-space:nowrap">60-day</FONT> period; provided, further, that the initial payment shall include a <FONT STYLE="white-space:nowrap">catch-up</FONT> payment to
cover amounts retroactive to the day immediately following the Date of Termination, and the payments under this Section<U></U> 5 shall be reduced by the amount, if any, that the Employee is paid in the same such calendar year pursuant to a garden
leave payment in a noncompetition agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. Notwithstanding anything to the contrary in this Amendment or the Severance and Change in
Control Agreement, this Section&nbsp;3 of the Amendment shall only apply during the period between the effective date of the Amendment through and including the later of (i)&nbsp;September&nbsp;1, 2020 or (ii)&nbsp;the date that is 12 months after a
Change in Control in the event that a Change in Control occurs on or before September&nbsp;1, 2020, after which this Section&nbsp;3 shall be of no further force and effect. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U><FONT STYLE="white-space:nowrap">3-Month</FONT> Lookback Period</U>. In the event the Employee experiences a Terminating Event within
the 3 months immediately prior to a Change in Control, and the Change in Control occurs between the effective date of the Amendment through and including September&nbsp;1, 2020 and the Employee has signed a Separation Agreement and Release that has
become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and Change in Control Agreement, then the Employee will receive the benefits set forth in Section&nbsp;4 of the Severance and Change in Control Agreement
following the occurrence of a Change in Control; provided that the lump sum amount under Section&nbsp;4 to be paid to the Employee following the occurrence of a Change in Control will be decreased by any previously paid benefits to the Employee
pursuant to Section&nbsp;5, and the Employee will receive no further benefits pursuant to Section&nbsp;5. In no event may there be duplication of benefits under Section&nbsp;4 and Section&nbsp;5. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Treatment of Unvested Equity</U>. In the event the Employee experiences a Terminating Event on or prior to September&nbsp;1, 2020 and
the Employee has signed a Separation Agreement and Release that has become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and Change in Control Agreement, then notwithstanding anything to the contrary in the
applicable option agreement or stock-based award agreement, any termination or forfeiture of the unvested portion of the Employee&#146;s solely time-based stock options or other stock-based awards with solely time-based vesting that would otherwise
occur on the Date of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

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Termination in the absence of this Amendment will be delayed until the earlier of (i)&nbsp;the date that is 3 months after the Date of Termination or (ii)&nbsp;September&nbsp;1, 2020 and will
only occur if the vesting pursuant to Section&nbsp;4(c) of the Severance and Change in Control Agreement does not occur due to the <FONT STYLE="white-space:nowrap">non-occurrence</FONT> of a Change in Control during such period. For the avoidance of
doubt, the termination or forfeiture of the unvested portion of any awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Extended Exercise Period</U>. In the event the Employee experiences a Terminating Event within the 3 months immediately prior to a
Change in Control that occurs on or before September&nbsp;1, 2020 or within the 12 months immediately following a Change in Control that occurs on or before September&nbsp;1, 2020, and the Employee has signed a Separation Agreement and Release that
has become irrevocable and is entitled to the benefits under Section&nbsp;4 of the Severance and Change in Control Agreement, then notwithstanding anything to the contrary in the applicable option agreement or stock-based award agreement, the
exercise period with respect to the Employee&#146;s vested stock options shall not expire until the earlier of (i)&nbsp;the original <FONT STYLE="white-space:nowrap">10-year</FONT> expiration date for such vested stock options as provided in the
applicable option agreement, or (ii)&nbsp;two years after the Date of Termination. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. All payments made by the Company to the Employee
under the Severance and Change in Control Agreement, as amended by this Amendment, shall be net of any tax or other amounts required to be withheld by the Company under applicable law. Nothing in this Amendment or the Severance and Change in Control
Agreement shall be construed to require the Company to make any payments to compensate the Employee for any adverse tax effect associated with any payments or benefits or for any deduction or withholding from any payment or benefit. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. All other provisions of the Severance and Change in Control Agreement shall remain in full force and effect according to their respective
terms, and nothing contained herein shall be deemed a waiver of any right or abrogation of any obligation otherwise existing under the Severance and Change in Control Agreement except to the extent specifically provided for herein. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. The validity, interpretation, construction and performance of this Amendment and the Severance and Change in Control Agreement, as amended
herein, shall be governed by the laws of the Commonwealth of Massachusetts without regard to principles of conflict of laws of such state that would require the application of the laws of any other jurisdiction. The parties hereby consent to
personal jurisdiction of the state and federal courts situated within Massachusetts for purposes of enforcing this Amendment, and waive any objection that he or it might have to personal jurisdiction or venue in those courts. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be taken to be an
original; but such counterparts shall together constitute one and the same document. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Remainder of Page Intentionally Left Blank]
</I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>IN WITNESS WHEREOF</B>, the parties have executed this Amendment effective on the date
and year first above written. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B>ZAFGEN, INC</B>.</P></TD></TR>
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<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Patricia L. Allen</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Name: Patricia L. Allen</TD></TR>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Title: Chief Financial Officer</TD></TR></TABLE></DIV> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;/s/ Jeffrey Hatfield</P></TD></TR>
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<TD VALIGN="top">Jeffrey Hatfield</TD></TR>
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<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>d798377dex102.htm
<DESCRIPTION>EX-10.2
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<TITLE>EX-10.2</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 10.2 </B></P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>FIRST AMENDMENT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SEVERANCE AND CHANGE IN CONTROL AGREEMENT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This First Amendment to Severance and Change in Control Agreement (this &#147;Amendment&#148;) is entered into and effective as of
September&nbsp;12, 2019, by and between Zafgen, Inc., a Delaware corporation (the &#147;Company&#148;), and Patricia L. Allen (the &#147;Employee&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee are parties to a Severance and Change in Control Agreement dated as of June&nbsp;30, 2016 (the
&#147;Severance and Change in Control Agreement&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee wish to amend certain provisions of
the Severance and Change in Control Agreement; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, capitalized terms used herein and not otherwise defined shall have the
meanings ascribed to them in the Severance and Change in Control Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>NOW, THEREFORE</B>, for good and valuable consideration,
the receipt and sufficiency of which are hereby accepted and acknowledged by the Employee and the Company, the parties agree as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. Section 4 of the Severance and Change in Control Agreement is hereby amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>4. <U>Change in Control Payment</U>.</B> In the event a Terminating Event occurs on or within the 12 months immediately after a Change in
Control (such 12-month period, the &#147;Change in Control Period&#148;), subject to the Employee signing a separation agreement containing, among other provisions, a general release of claims in favor of the Company and related persons and entities
(but other than claims or future claims (i) for the payments to be made, benefits to be provided and equity awards to be accelerated to or with regard to the Employee pursuant to this Agreement, (ii) for indemnification at law, pursuant to the
Company&#146;s certificate of incorporation and/or by-laws, any other written agreement between the Company and the Employee, and any governing document concerning a group benefit plan provided by or sponsored by the Company and in which the
Employee is a participant, administrator or fiduciary, (iii) as the holder of securities of the Company, or (iv) for insurance coverage or costs of defense available to the Employee under any policy maintained by the Company), confidentiality,
return of property and non-disparagement, in a form and manner reasonably satisfactory to the Company (the &#147;Separation Agreement and Release&#148;) and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date
of Termination (or such shorter time period set forth in the Separation Agreement and Release), the following shall occur: </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee an amount equal to the sum of (A)
12 months of the Employee&#146;s annual base salary in effect immediately prior to the Terminating Event (or the Employee&#146;s annual base salary in effect immediately prior to the Change in Control, if higher) plus (B)<U></U> the Employee&#146;s
target annual incentive compensation in effect immediately prior to the Terminating Event (or the Covered Employee&#146;s target annual incentive compensation in effect immediately prior to the Change in Control, if higher); </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health plan immediately prior to the Date of Termination and
elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 12 months, in an amount equal to the monthly employer contribution that the Company would have made to provide health insurance to the Employee
(and her eligible dependents) if the Employee had remained employed by the Company; </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) notwithstanding anything to the
contrary in any applicable option agreement or stock-based award agreement, all solely time-based stock options and other stock-based awards with solely time-based vesting held by the Employee shall immediately accelerate and become fully
exercisable or nonforfeitable as of the Employee&#146;s Date of Termination; provided that any awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award
agreement; and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) the amounts payable under this Section 4 shall be paid out in a lump sum commencing within 60 days
after the Date of Termination; provided, however, that if the <FONT STYLE="white-space:nowrap">60-day</FONT> period begins in one calendar year and ends in a second calendar year, the amounts shall be paid in the second calendar year by the last day
of such 60-day period; provided further, that the payments under this Section 4 shall be reduced by the amount, if any, that the Employee is paid in the same such calendar year pursuant to a garden leave payment in a noncompetition agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. Section 5 of the Severance and Change in Control Agreement is hereby amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>5. <U>Severance Outside the Change in Control Period.</U></B> In the event a Terminating Event occurs at any time other than during the
Change in Control Period, subject to the Employee signing the Separation Agreement and Release and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date of Termination (or such shorter time period set forth in
the Separation Agreement and Release), the following shall occur: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee an amount
equal to the sum of (A) 9 months of the Employee&#146;s annual base salary in effect immediately prior to the Terminating Event plus (B) the Employee&#146;s target annual incentive compensation in effect immediately prior to the Terminating Event;
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health
plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 9 months in an amount equal to the monthly employer contribution that the Company would
have made to provide health insurance to the Employee (and her eligible dependents) if the Employee had remained employed by the Company; and </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) the amounts payable under this Section 5 shall be paid out in substantially equal installments in accordance with the
Company&#146;s payroll practice over 9 months commencing within 60 days after the Date of Termination; provided, however, that if the 60-day period begins in one calendar year and ends in a second calendar year, the Severance Amount shall begin to
be paid in the second calendar year by the last day of such 60-day period; provided, further, that the initial payment shall include a catch-up payment to cover amounts retroactive to the day immediately following the Date of Termination, and the
payments under this Section 5 shall be reduced by the amount, if any, that the Employee is paid in the same such calendar year pursuant to a garden leave payment in a noncompetition agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. Notwithstanding anything to the contrary in this Amendment or the Severance and Change in Control Agreement, this Section&nbsp;3 of the
Amendment shall only apply during the period between the effective date of the Amendment through and including the later of (i)&nbsp;September&nbsp;1, 2020 or (ii)&nbsp;the date that is 12 months after a Change in Control in the event that a Change
in Control occurs on or before September&nbsp;1, 2020, after which this Section&nbsp;3 shall be of no further force and effect. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U><FONT
STYLE="white-space:nowrap">3-Month</FONT> Lookback Period</U>. In the event the Employee experiences a Terminating Event within the 3 months immediately prior to a Change in Control, and the Change in Control occurs between the effective date of the
Amendment through and including September&nbsp;1, 2020 and the Employee has signed a Separation Agreement and Release that has become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and Change in Control Agreement,
then the Employee will receive the benefits set forth in Section&nbsp;4 of the Severance and Change in Control Agreement following the occurrence of a Change in Control; provided that the lump sum amount under Section&nbsp;4 to be paid to the
Employee following the occurrence of a Change in Control will be decreased by any previously paid benefits to the Employee pursuant to Section&nbsp;5, and the Employee will receive no further benefits pursuant to Section&nbsp;5. In no event may
there be duplication of benefits under Section&nbsp;4 and Section&nbsp;5. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Treatment of Unvested Equity</U>. In the event the
Employee experiences a Terminating Event on or prior to September&nbsp;1, 2020 and the Employee has signed a Separation Agreement and Release that has become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and
Change in Control Agreement, then notwithstanding anything to the contrary in the applicable option agreement or stock-based award agreement, any termination or forfeiture of the unvested portion of the Employee&#146;s solely time-based stock
options or other stock-based awards with solely time-based vesting that would otherwise occur on the Date of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
Termination in the absence of this Amendment will be delayed until the earlier of (i)&nbsp;the date that is 3 months after the Date of Termination or (ii)&nbsp;September&nbsp;1, 2020 and will
only occur if the vesting pursuant to Section&nbsp;4(c) of the Severance and Change in Control Agreement does not occur due to the <FONT STYLE="white-space:nowrap">non-occurrence</FONT> of a Change in Control during such period. For the avoidance of
doubt, the termination or forfeiture of the unvested portion of any awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Extended Exercise Period</U>. In the event the Employee experiences a Terminating Event within the 3 months immediately prior to a
Change in Control that occurs on or before September&nbsp;1, 2020 or within the 12 months immediately following a Change in Control that occurs on or before September&nbsp;1, 2020, and the Employee has signed a Separation Agreement and Release that
has become irrevocable and is entitled to the benefits under Section&nbsp;4 of the Severance and Change in Control Agreement, then notwithstanding anything to the contrary in the applicable option agreement or stock-based award agreement, the
exercise period with respect to the Employee&#146;s vested stock options shall not expire until the earlier of (i)&nbsp;the original <FONT STYLE="white-space:nowrap">10-year</FONT> expiration date for such vested stock options as provided in the
applicable option agreement, or (ii)&nbsp;two years after the Date of Termination. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. All payments made by the Company to the Employee
under the Severance and Change in Control Agreement, as amended by this Amendment, shall be net of any tax or other amounts required to be withheld by the Company under applicable law. Nothing in this Amendment or the Severance and Change in Control
Agreement shall be construed to require the Company to make any payments to compensate the Employee for any adverse tax effect associated with any payments or benefits or for any deduction or withholding from any payment or benefit. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. All other provisions of the Severance and Change in Control Agreement shall remain in full force and effect according to their respective
terms, and nothing contained herein shall be deemed a waiver of any right or abrogation of any obligation otherwise existing under the Severance and Change in Control Agreement except to the extent specifically provided for herein. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. The validity, interpretation, construction and performance of this Amendment and the Severance and Change in Control Agreement, as amended
herein, shall be governed by the laws of the Commonwealth of Massachusetts without regard to principles of conflict of laws of such state that would require the application of the laws of any other jurisdiction. The parties hereby consent to
personal jurisdiction of the state and federal courts situated within Massachusetts for purposes of enforcing this Amendment, and waive any objection that he or it might have to personal jurisdiction or venue in those courts. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be taken to be an original;
but such counterparts shall together constitute one and the same document. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Remainder of Page Intentionally Left Blank] </I></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>IN WITNESS WHEREOF</B>, the parties have executed this Amendment effective on the date
and year first above written. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3"><B>ZAFGEN, INC</B>.</TD></TR>
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<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">_/s/ Jeffrey Hatfield</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Name: Jeffrey Hatfield</TD></TR>
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<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Title: Chief Executive Officer</TD></TR>
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<TD HEIGHT="16" COLSPAN="3"></TD></TR>
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<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;/s/ Patricia L. Allen</P></TD></TR>
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<TD VALIGN="top" COLSPAN="3">Patricia L. Allen</TD></TR>
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<TYPE>EX-10.3
<SEQUENCE>4
<FILENAME>d798377dex103.htm
<DESCRIPTION>EX-10.3
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 10.3 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>FIRST AMENDMENT TO </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>SEVERANCE AND CHANGE IN CONTROL AGREEMENT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This First Amendment to Severance and Change in Control Agreement (this &#147;Amendment&#148;) is entered into and effective as of
September&nbsp;12, 2019, by and between Zafgen, Inc., a Delaware corporation (the &#147;Company&#148;), and Brian P. McVeigh (the &#147;Employee&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee are parties to a Severance and Change in Control Agreement dated as of May&nbsp;29, 2018 (the
&#147;Severance and Change in Control Agreement&#148;); </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, the Company and the Employee wish to amend certain provisions of
the Severance and Change in Control Agreement; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>WHEREAS</B>, capitalized terms used herein and not otherwise defined shall have the
meanings ascribed to them in the Severance and Change in Control Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>NOW, THEREFORE</B>, for good and valuable consideration,
the receipt and sufficiency of which are hereby accepted and acknowledged by the Employee and the Company, the parties agree as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">1. Section 4 of the Severance and Change in Control Agreement is hereby amended and restated in its entirety as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>4.</B> <B><U>Change in Control Payment</U></B>. In the event a Terminating Event occurs on or within the 12 months immediately after a
Change in Control (such <FONT STYLE="white-space:nowrap">12-month</FONT> period, the &#147;Change in Control Period&#148;), subject to the Employee signing a separation agreement containing, among other provisions, a general release of claims in
favor of the Company and related persons and entities (but other than claims or future claims (i)<U></U> for the payments to be made, benefits to be provided and equity awards to be accelerated to or with regard to the Employee pursuant to this
Agreement, (ii)<U></U>&nbsp;for indemnification at law, pursuant to the Company&#146;s certificate of incorporation and/or <FONT STYLE="white-space:nowrap">by-laws,</FONT> any other written agreement between the Company and the Employee, and any
governing document concerning a group benefit plan provided by or sponsored by the Company and in which the Employee is a participant, administrator or fiduciary, (iii)<U></U>&nbsp;as the holder of securities of the Company, or (iv)&nbsp;for
insurance coverage or costs of defense available to the Employee under any policy maintained by the Company), confidentiality, return of property and <FONT STYLE="white-space:nowrap">non-disparagement,</FONT> in a form and manner reasonably
satisfactory to the Company (the &#147;Separation Agreement and Release&#148;) and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date of Termination (or such shorter time period set forth in the Separation
Agreement and Release), the following shall occur: </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee an amount equal to the sum of (A)
12 months of the Employee&#146;s annual base salary in effect immediately prior to the Terminating Event (or the Employee&#146;s annual base salary in effect immediately prior to the Change in Control, if higher) plus (B)&nbsp;the Employee&#146;s
target annual incentive compensation in effect immediately prior to the Terminating Event (or the Covered Employee&#146;s target annual incentive compensation in effect immediately prior to the Change in Control, if higher); </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health plan immediately prior to the Date of Termination and
elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 12 months, in an amount equal to the monthly employer contribution that the Company would have made to provide health insurance to the Employee
(and his eligible dependents) if the Employee had remained employed by the Company; </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) notwithstanding anything to the
contrary in any applicable option agreement or stock-based award agreement, all solely time-based stock options and other stock-based awards with solely time-based vesting held by the Employee shall immediately accelerate and become fully
exercisable or nonforfeitable as of the Employee&#146;s Date of Termination; provided that any awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award
agreement; and </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(d) the amounts payable under this Section<U></U>&nbsp;4 shall be paid out in a lump sum commencing within
60 days after the Date of Termination; provided, however, that if the <FONT STYLE="white-space:nowrap">60-day</FONT> period begins in one calendar year and ends in a second calendar year, the amounts shall be paid in the second calendar year by the
last day of such <FONT STYLE="white-space:nowrap">60-day</FONT> period; provided further, that the payments under this Section<U></U>&nbsp;4 shall be reduced by the amount, if any, that the Employee is paid in the same such calendar year pursuant to
a garden leave payment in a noncompetition agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">2. Section 5 of the Severance and Change in Control Agreement is hereby amended and
restated in its entirety as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:9%; font-size:10pt; font-family:Times New Roman"><B>5.</B> <B><U>Severance Outside the Change in Control Period</U></B>. In the event a Terminating
Event occurs at any time other than during the Change in Control Period, subject to the Employee signing the Separation Agreement and Release and the Separation Agreement and Release becoming irrevocable, all within 60 days after the Date of
Termination (or such shorter time period set forth in the Separation Agreement and Release), the following shall occur: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Company shall pay to the Employee an amount equal to the sum of (A) 9 months of the Employee&#146;s annual base salary
in effect immediately prior to the Terminating Event plus (B) the Employee&#146;s target annual incentive compensation in effect immediately prior to the Terminating Event; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) if the Employee was participating in the Company&#146;s group health
plan immediately prior to the Date of Termination and elects COBRA health continuation, then the Company shall pay to the Employee a monthly cash payment for 9 months in an amount equal to the monthly employer contribution that the Company would
have made to provide health insurance to the Employee (and his eligible dependents) if the Employee had remained employed by the Company; and </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:13%; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) the amounts payable under this Section<U></U>&nbsp;5 shall be paid out in substantially equal installments in accordance
with the Company&#146;s payroll practice over 9<B> </B>months commencing within 60 days after the Date of Termination; provided, however, that if the <FONT STYLE="white-space:nowrap">60-day</FONT> period begins in one calendar year and ends in a
second calendar year, the Severance Amount shall begin to be paid in the second calendar year by the last day of such <FONT STYLE="white-space:nowrap">60-day</FONT> period; provided, further, that the initial payment shall include a <FONT
STYLE="white-space:nowrap">catch-up</FONT> payment to cover amounts retroactive to the day immediately following the Date of Termination, and the payments under this Section<U></U>&nbsp;5 shall be reduced by the amount, if any, that the Employee is
paid in the same such calendar year pursuant to a garden leave payment in a noncompetition agreement. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">3. Notwithstanding anything to the
contrary in this Amendment or the Severance and Change in Control Agreement, this Section&nbsp;3 of the Amendment shall only apply during the period between the effective date of the Amendment through and including the later of
(i)&nbsp;September&nbsp;1, 2020 or (ii)&nbsp;the date that is 12 months after a Change in Control in the event that a Change in Control occurs on or before September&nbsp;1, 2020, after which this Section&nbsp;3 shall be of no further force and
effect. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) <U><FONT STYLE="white-space:nowrap">3-Month</FONT> Lookback Period</U>. In the event the Employee experiences a Terminating
Event within the 3 months immediately prior to a Change in Control, and the Change in Control occurs between the effective date of the Amendment through and including September&nbsp;1, 2020 and the Employee has signed a Separation Agreement and
Release that has become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and Change in Control Agreement, then the Employee will receive the benefits set forth in Section&nbsp;4 of the Severance and Change in Control
Agreement following the occurrence of a Change in Control; provided that the lump sum amount under Section&nbsp;4 to be paid to the Employee following the occurrence of a Change in Control will be decreased by any previously paid benefits to the
Employee pursuant to Section&nbsp;5, and the Employee will receive no further benefits pursuant to Section&nbsp;5. In no event may there be duplication of benefits under Section&nbsp;4 and Section&nbsp;5. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) <U>Treatment of Unvested Equity</U>. In the event the Employee experiences a Terminating Event on or prior to September&nbsp;1, 2020 and
the Employee has signed a Separation Agreement and Release that has become irrevocable and is entitled to the benefits under Section&nbsp;5 of the Severance and Change in Control Agreement, then notwithstanding anything to the contrary in the
applicable option agreement or stock-based award agreement, any termination or forfeiture of the unvested portion of the Employee&#146;s solely time-based stock options or other stock-based awards with solely time-based vesting that would otherwise
occur on the Date of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

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Termination in the absence of this Amendment will be delayed until the earlier of (i)&nbsp;the date that is 3 months after the Date of Termination or (ii)&nbsp;September&nbsp;1, 2020 and will
only occur if the vesting pursuant to Section&nbsp;4(c) of the Severance and Change in Control Agreement does not occur due to the <FONT STYLE="white-space:nowrap">non-occurrence</FONT> of a Change in Control during such period. For the avoidance of
doubt, the termination or forfeiture of the unvested portion of any awards granted to the Employee that are solely performance-based and/or performance and time-based will be governed by the terms of the applicable award agreement. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) <U>Extended Exercise Period</U>. In the event the Employee experiences a Terminating Event within the 3 months immediately prior to a
Change in Control that occurs on or before September&nbsp;1, 2020 or within the 12 months immediately following a Change in Control that occurs on or before September&nbsp;1, 2020, and the Employee has signed a Separation Agreement and Release that
has become irrevocable and is entitled to the benefits under Section&nbsp;4 of the Severance and Change in Control Agreement, then notwithstanding anything to the contrary in the applicable option agreement or stock-based award agreement, the
exercise period with respect to the Employee&#146;s vested stock options shall not expire until the earlier of (i)&nbsp;the original <FONT STYLE="white-space:nowrap">10-year</FONT> expiration date for such vested stock options as provided in the
applicable option agreement, or (ii)&nbsp;two years after the Date of Termination. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">4. All payments made by the Company to the Employee
under the Severance and Change in Control Agreement, as amended by this Amendment, shall be net of any tax or other amounts required to be withheld by the Company under applicable law. Nothing in this Amendment or the Severance and Change in Control
Agreement shall be construed to require the Company to make any payments to compensate the Employee for any adverse tax effect associated with any payments or benefits or for any deduction or withholding from any payment or benefit. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">5. All other provisions of the Severance and Change in Control Agreement shall remain in full force and effect according to their respective
terms, and nothing contained herein shall be deemed a waiver of any right or abrogation of any obligation otherwise existing under the Severance and Change in Control Agreement except to the extent specifically provided for herein. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">6. The validity, interpretation, construction and performance of this Amendment and the Severance and Change in Control Agreement, as amended
herein, shall be governed by the laws of the Commonwealth of Massachusetts without regard to principles of conflict of laws of such state that would require the application of the laws of any other jurisdiction. The parties hereby consent to
personal jurisdiction of the state and federal courts situated within Massachusetts for purposes of enforcing this Amendment, and waive any objection that he or it might have to personal jurisdiction or venue in those courts. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">7. This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be taken to be an original;
but such counterparts shall together constitute one and the same document. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><I>[Remainder of Page Intentionally Left Blank] </I></P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>IN WITNESS WHEREOF</B>, the parties have executed this Amendment effective on the date
and year first above written. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3"><B>ZAFGEN, INC.</B></TD></TR>
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<TD VALIGN="top">By:</TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Jeffrey Hatfield</P></TD></TR>
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<TD VALIGN="top">Name: Jeffrey Hatfield</TD></TR>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Title: Chief Executive Officer</TD></TR></TABLE></DIV> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;/s/ Brian P. McVeigh</P></TD></TR>
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<TD VALIGN="top" COLSPAN="3">Brian P. McVeigh</TD></TR>
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