<SEC-DOCUMENT>0001654954-21-003655.txt : 20210331
<SEC-HEADER>0001654954-21-003655.hdr.sgml : 20210331
<ACCEPTANCE-DATETIME>20210331171321
ACCESSION NUMBER:		0001654954-21-003655
CONFORMED SUBMISSION TYPE:	NT 10-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210331
DATE AS OF CHANGE:		20210331
EFFECTIVENESS DATE:		20210331

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GT Biopharma, Inc.
		CENTRAL INDEX KEY:			0000109657
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				941620407
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT 10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40023
		FILM NUMBER:		21794538

	BUSINESS ADDRESS:	
		STREET 1:		9350 WILSHIRE BLVD.
		STREET 2:		SUITE 203
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90212
		BUSINESS PHONE:		(800) 304-9888

	MAIL ADDRESS:	
		STREET 1:		9350 WILSHIRE BLVD.
		STREET 2:		SUITE 203
		CITY:			BEVERLY HILLS
		STATE:			CA
		ZIP:			90212

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OXIS INTERNATIONAL INC
		DATE OF NAME CHANGE:	19940916

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DDI PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DIAGNOSTIC DATA INC /DE/
		DATE OF NAME CHANGE:	19850312
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT 10-K
<SEQUENCE>1
<FILENAME>gtbp_nt10k.htm
<DESCRIPTION>NT 10-K
<TEXT>
<html>
<head>
<!-- Document created using Blueprint(R) - powered by Issuer Direct - www.issuerdirect.com -->
<!-- Copyright 2021 Issuer Direct Corporation -->
<title>gtbp_nt10k</title>
</head>
<body style="font-family: Times New Roman; font-size: 13px;">
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="hdr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
</div>
<div><font style="font-family: Times New Roman; font-size: 10">&#xA0;</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 16px">
UNITED STATES</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 16px">
SECURITIES AND EXCHANGE COMMISSION</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
Washington, D.C. 20549</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
FORM 12b-25</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
NOTIFICATION OF LATE FILING</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">(Check
One)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[X]
Form 10-K&#xA0;&#xA0;&#xA0;&#xA0; [_] Form
20-F&#xA0;&#xA0;&#xA0;&#xA0; [_] Form 11-K&#xA0;&#xA0;&#xA0;&#xA0;
[_] Form 10-Q&#xA0;&#xA0;&#xA0;&#xA0; [_] Form
10-D&#xA0;&#xA0;&#xA0;&#xA0; [_] Form N-SAR&#xA0;&#xA0;&#xA0;&#xA0;
[_] N-CSR</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">For
Period Ended: <font style="text-decoration: underline">December 31,
2020</font></font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[_]
Transition Report on Form 10-K</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[_]
Transition Report on Form 20-F</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[_]
Transition Report on Form 11-K</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[_]
Transition Report on Form 10-Q</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[_]
Transition Report on Form N-SAR</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">For the
Transition Period Ended: ________________________</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div>
<table cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman; font-size: 13px">
<tr>
<td style="vertical-align: top; width: 100%; border-left: 1pt solid #000000; border-right: 1pt solid #000000; border-top: 1pt solid #000000; border-bottom: 2px solid #000000">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-style: italic; color: #000000; font-family: Times New Roman; font-size: 13px">
Read Instruction (on back page) Before Preparing Form. Please Print
or Type.</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; color: #000000; font-family: Times New Roman; font-size: 13px">
Nothing in this form shall be construed to imply that the
Commission has verified any information contained
herein.</font></div>
</td>
</tr></table>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">If the
notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification
relates:</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">PART I
- REGISTRANT INFORMATION</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table">
<div style="display: table-row">
<div style="display: table-cell; width: 336px"><font style="font-family: Times New Roman; font-size: 13px"><font style="text-decoration: underline">GT Biopharma,
Inc.</font>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<br>
</font></div>
<div style="display: table-cell; width: 96px"><font style="font-family: Times New Roman; font-size: 13px">&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Full
Name of Registrant:</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Former
Name if Applicable</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table">
<div style="display: table-row">
<div style="display: table-cell; width: 432px"><font style="font-family: Times New Roman; font-size: 13px"><font style="text-decoration: underline">9350 Wilshire Blvd. Suite
203</font>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<br>
</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Address
of Principal Executive Office (<font style="font-style: italic">Street and Number</font>)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="display: table">
<div style="display: table-row">
<div style="display: table-cell; width: 432px"><font style="font-family: Times New Roman; font-size: 13px"><font style="text-decoration: underline">Beverly Hills, CA
90212</font>&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;&#xA0;<br>
</font></div>
</div>
</div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">City,
State and Zip Code</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
PART II - RULES 12b-25 (b) AND (c)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">If the
subject report could not be filed without unreasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b),
the following should be completed. (Check box if
appropriate)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div>
<table cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman; font-size: 13px">
<tr>
<td style="vertical-align: top; width: 4%">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[X]</font></div>
</td>
<td style="vertical-align: top; width: 5%; border-left: 2px solid rgb(0, 0, 0);">
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px;">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">(a)</font></div>
</td>
<td style="vertical-align: top; width: 91%">
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
The reasons described in reasonable detail in Part III of this form
could not be eliminated without unreasonable effort or
expense;</font></div>
</td>
</tr><tr>
<td style="vertical-align: middle; width: 4%">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">[X]</font></div>
</td>
<td style="vertical-align: top; width: 5%; border-left: 2px solid rgb(0, 0, 0);">
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px;">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">(b)</font></div>
</td>
<td style="vertical-align: top; width: 91%">
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
The subject annual report, semi-annual report, transition report on
Form 10-K, Form 20-F, 11-K, Form N-CEN or Form N-CSR, or portion
thereof, will be filed on or before the fifteenth calendar day
following the prescribed due date; or the subject quarterly report
of transition report on Form 10-Q or subject distribution report on
Form 10-D, or portion thereof will be filed on or before the fifth
calendar day following the prescribed due date; and</font></div>
</td>
</tr><tr>
<td style="vertical-align: top; width: 4%">
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 5%; border-left: 2px solid rgb(0, 0, 0);">
<div style="text-align: left; margin-left: 12px; margin-right: 0px; text-indent: 0px;">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">(c)</font></div>
</td>
<td style="vertical-align: top; width: 91%">
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
The accountant's statement or other exhibit required by Rule
12b-25(c) has been attached if applicable.</font></div>
</td>
</tr></table>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="ftr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
<div id="pb" style="text-align: center; page-break-after: always; margin-left: 0px; margin-right: 0px; margin-bottom: 6px; width: 100%; height: 1px; background-color: #000000">
<!--page break--></div>
<div id="hdr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
PART III - NARRATIVE</font></div>
<div><font style="font-family: Times New Roman; font-size: 10">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">State
below in reasonable detail the reasons why Forms 10-K, 20-F, 11-K,
10-Q, 10-D, N-SAR, N-CSR or the transition report or portion
thereof could not be filed within the prescribed time
period.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">The
Registrant is unable to file the subject report in a timely manner
because the Registrant was not able to complete timely its internal
processes necessary for management to certify its financial
statements without unreasonable effort or expense. The Registrant
expects to file within the extension period.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-weight: bold; font-family: Times New Roman; font-size: 13px">
PART IV - OTHER INFORMATION</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">(1)
Name and telephone number of person to contact in regard to this
notification:</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div>
<table cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman; font-size: 13px">
<tr>
<td style="vertical-align: top; width: 33%; border-bottom: 2px solid #000000">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
Michael Handelman</font></div>
</td>
<td style="vertical-align: top; width: 5%">
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 28%; border-bottom: 2px solid #000000">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
805</font></div>
</td>
<td style="vertical-align: top; width: 5%">
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 28%; border-bottom: 2px solid #000000">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
341-2631</font></div>
</td>
</tr><tr>
<td style="vertical-align: top; width: 33%">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
(Name)</font></div>
</td>
<td style="vertical-align: top; width: 5%">
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 28%">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
(Area Code)</font></div>
</td>
<td style="vertical-align: top; width: 5%">
<div><font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 28%">
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="color: #000000; font-family: Times New Roman; font-size: 13px">
(Telephone No.)</font></div>
</td>
</tr></table>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">(2)
Have all other periodic reports required under section 13 or 15(d)
of the Securities Exchange Act of 1934 or Section 30 of the
Investment Company Act of 1940 during the preceding 12 months or
for such shorter period that the registrant was required to file
such report(s) been filed? If the answer is no, identify report(s).
[X] Yes [_] No</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">(3) Is
it anticipated that any significant change in results of operations
from the corresponding period for the last fiscal year will be
reflected by the earnings statements to be included in the subject
report or portion thereof? [_] Yes [X] No</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">If so,
attach an explanation of the anticipated change, both narratively
and quantitatively, and, if appropriate, state the reasons why a
reasonable estimate of the results cannot be made.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="ftr">
<div style="text-align: left; width: 100%"><font style="font-family: Times New Roman; font-size: 11px">&#xA0;</font></div>
</div>
<div id="pb" style="text-align: center; margin-left: 0px; margin-right: 0px; margin-bottom: 6px; page-break-after: always; width: 100%; height: 1px; background-color: #000000">
<!--page break line--></div>
<div id="hdr">
<div style="text-align: right; width: 100%"><font style="font-family: Times New Roman; font-size: 11px">&#xA0;</font></div>
</div>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px;">&#xA0;</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="text-decoration: underline; font-family: Times New Roman; font-size: 13px">
GT Biopharma, Inc.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: center; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">(Name
of Registrant as Specified in Charter)</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">has
caused this notification to be signed on its behalf by the
undersigned thereunto duly authorized.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div>
<table cellpadding="0" cellspacing="0" style="width: 100%; font-family: Times New Roman; font-size: 13px">
<tr>
<td style="vertical-align: top; width: 62%">
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Dated:
March 31, 2021</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</td>
<td style="vertical-align: top; width: 38%;">
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">GT
Biopharma, Inc.</font></div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">By:&#xA0;<font style="text-decoration: underline">/s/
Michael Handelman &#xA0;&#xA0;&#xA0;&#xA0;</font></font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Michael
Handelman</font></div>
<div style="text-align: left; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">Chief
Financial Officer</font></div>
</td>
</tr></table>
</div>
<div style="text-align: justify; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
<div id="pgbrk" style="width: 100%; margin-left: 0px; text-indent: 0px; margin-right: 0px">
<div id="ftr">
<div style="text-align: left; width: 100%; margin-left: 0px; margin-right: 0px; text-indent: 0px">
<font style="font-family: Times New Roman; font-size: 13px">&#xA0;</font></div>
</div>
<div id="pb" style="text-align: center; margin-left: 0px; margin-right: 0px; margin-bottom: 6px; width: 100%; height: 1px; background-color: #000000">
<!--page break--></div>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
