XML 19 R10.htm IDEA: XBRL DOCUMENT
v3.23.3

Insider Trading Arrangements | 9 Months Ended
--- | ---
Sep. 30, 2023 shares
Trading Arrangements, by Individual |
Material Terms of Trading Arrangement | Rule 10b5-1 Trading Plans On August 31, 2023, Christine Chung, Senior Vice President, China Operations of the Company, terminated a Rule 10b5-1 trading plan, which was previously adopted on March 7, 2023 and intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The plan provided for the potential sale of up to 125,000 shares of common stock held by Ms. Chung. Prior to its termination, Ms. Chung sold 12,500 shares under the plan. On July 12, 2023, Mark Eisner, then Chief Medical Officer of the Company, terminated a Rule 10b5-1 trading plan, which was previously adopted on March 2, 2023 and intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The plan provided for the potential sale of up to 107,260 shares of common stock held by Mr. Eisner. Prior to its termination, Mr. Eisner sold 0 shares under the plan. On August 31, 2023, Juan Graham, Chief Financial Officer of the Company, terminated a Rule 10b5-1 trading plan, which was previously adopted on August 26, 2022 and intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The plan provided for the potential sale of up to 29,911 shares of common stock held by Mr. Graham. Prior to its termination, Mr. Graham sold 7,929 shares under the plan. On September 22, 2023, Jeffrey Henderson, a member of the Company’s Board of Directors, terminated a Rule 10b5-1 trading plan, which was previously adopted on March 3, 2023 and intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act. The plan provided for the potential sale of up to 20,000 shares of common stock held by Mr. Henderson. Prior to its termination, Mr. Henderson sold 6,000 shares under the plan.
Christine Chung [Member] |
Trading Arrangements, by Individual |
Name | Christine Chung
Title | Senior Vice President
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | March 7, 2023
Rule 10b5-1 Arrangement Terminated | true
Termination Date | August 31, 2023
Aggregate Available | 125,000
Mark Eisner [Member] |
Trading Arrangements, by Individual |
Name | Mark Eisner
Title | Chief Medical Officer
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | March 2, 2023
Rule 10b5-1 Arrangement Terminated | true
Termination Date | July 12, 2023
Aggregate Available | 107,260
Juan Graham [Member] |
Trading Arrangements, by Individual |
Name | Juan Graham
Title | Chief Financial Officer
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | August 26, 2022
Rule 10b5-1 Arrangement Terminated | true
Termination Date | August 31, 2023
Aggregate Available | 29,911
Jeffrey Henderson [Member] |
Trading Arrangements, by Individual |
Name | Jeffrey Henderson
Title | Board of Directors
Rule 10b5-1 Arrangement Adopted | true
Adoption Date | March 3, 2023
Rule 10b5-1 Arrangement Terminated | true
Termination Date | September 22, 2023
Aggregate Available | 20,000

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TradingArrByIndTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrTerminationDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ecd_IndividualAxis=fgen_ChristineChungMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=fgen_MarkEisnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=fgen_JuanGrahamMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=fgen_JeffreyHendersonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |