Gossamer Bio, Inc.

Related Filers (38)

Financials (20)

10-Q
Thursday, 11/9/2023
Quarterly Report for period ending 2023-09-30
10-Q
Tuesday, 8/8/2023
Quarterly Report for period ending 2023-06-30
10-Q
Tuesday, 5/9/2023
Quarterly Report for period ending 2023-03-31
10-K
Friday, 3/17/2023
Annual Report for period ending 2022-12-31
10-Q
Thursday, 11/3/2022
Quarterly Report for period ending 2022-09-30
10-Q
Tuesday, 8/9/2022
Quarterly Report for period ending 2022-06-30
10-Q
Tuesday, 5/10/2022
Quarterly Report for period ending 2022-03-31
10-K
Thursday, 3/3/2022
Annual Report for period ending 2021-12-31
10-Q
Monday, 11/8/2021
Quarterly Report for period ending 2021-09-30
10-Q
Monday, 8/9/2021
Quarterly Report for period ending 2021-06-30
10-Q
Thursday, 5/6/2021
Quarterly Report for period ending 2021-03-31
10-K
Friday, 2/26/2021
Annual Report for period ending 2020-12-31
10-Q
Tuesday, 11/10/2020
Quarterly Report for period ending 2020-09-30
10-Q
Tuesday, 8/11/2020
Quarterly Report for period ending 2020-06-30
10-Q
Tuesday, 5/12/2020
Quarterly Report for period ending 2020-03-31
10-K
Tuesday, 3/24/2020
Annual Report for period ending 2019-12-31
10-Q
Tuesday, 11/12/2019
Quarterly Report for period ending 2019-09-30
10-Q
Thursday, 8/8/2019
Quarterly Report for period ending 2019-06-30
10-Q
Tuesday, 5/14/2019
Quarterly Report for period ending 2019-03-31
10-K
Friday, 3/22/2019
Annual Report for period ending 2018-12-31
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News (48)

8-K
Wednesday, 11/29/2023
Current report filing
8-K
Monday, 11/27/2023
Current report filing
8-K
Thursday, 11/9/2023
Current report filing
8-K
Friday, 10/20/2023
Current report filing
8-K
Thursday, 9/7/2023
Current report filing
8-K
Tuesday, 8/8/2023
Current report filing
8-K
Thursday, 7/20/2023
Current report filing
8-K
Thursday, 7/20/2023
Current report filing
8-K
Friday, 6/9/2023
Current report filing
8-K
Tuesday, 5/9/2023
Current report filing
8-K
Monday, 4/3/2023
Current report filing
8-K
Friday, 3/17/2023
Current report filing
8-K
Tuesday, 12/6/2022
Current report filing
8-K
Thursday, 11/3/2022
Current report filing
8-K
Tuesday, 8/9/2022
Current report filing
8-K
Wednesday, 7/13/2022
Current report filing
8-K
Friday, 6/10/2022
Current report filing
8-K
Tuesday, 5/10/2022
Current report filing
8-K
Monday, 4/25/2022
Current report filing
8-K
Thursday, 3/3/2022
Current report filing
8-K
Monday, 11/8/2021
Current report filing
8-K
Tuesday, 10/12/2021
Current report filing
8-K
Tuesday, 9/21/2021
Current report filing
8-K
Monday, 8/9/2021
Current report filing
8-K
Monday, 6/14/2021
Current report filing
8-K
Thursday, 5/6/2021
Current report filing
8-K
Tuesday, 4/20/2021
Current report filing
8-K
Thursday, 2/25/2021
Current report filing
8-K
Tuesday, 11/17/2020
Current report filing
8-K
Tuesday, 11/10/2020
Current report filing
8-K
Tuesday, 10/13/2020
Current report filing
8-K
Tuesday, 8/11/2020
Current report filing
8-K
Thursday, 7/2/2020
Current report filing
8-K
Thursday, 6/18/2020
Current report filing
8-K
Thursday, 5/21/2020
Current report filing
8-K
Tuesday, 5/12/2020
Current report filing
8-K
Tuesday, 3/24/2020
Current report filing
8-K
Monday, 1/13/2020
Current report filing
8-K
Tuesday, 11/12/2019
Current report filing
8-K
Friday, 9/13/2019
Current report filing
8-K
Thursday, 8/8/2019
Current report filing
8-K
Tuesday, 6/11/2019
Current report filing
8-K
Thursday, 5/30/2019
Current report filing
8-K
Tuesday, 5/14/2019
Current report filing
8-K
Friday, 5/3/2019
Current report filing
8-K
Friday, 3/22/2019
Current report filing
8-K
Monday, 3/11/2019
Current report filing
8-K
Tuesday, 2/12/2019
Current report filing
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Other (18)

EFFECT
Monday, 8/28/2023
Notice of Effectiveness
CORRESP
Thursday, 8/24/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
DEL AM
Monday, 8/21/2023
Separately filed delaying amendment under Securities Act Rule 473 to delay effectiveness of a 1933 Act registration statement
D
Monday, 8/7/2023
Exempt (Private) Offering
ARS
Friday, 4/28/2023
Annual report to security holders
D
Monday, 7/18/2022
Exempt (Private) Offering
305B2
Monday, 5/18/2020
Application for designation of a new trustee under the Trust Indenture Act
CT ORDER
Friday, 2/8/2019
Order Granting Confidential Treatment
EFFECT
Thursday, 2/7/2019
Notice of Effectiveness
CORRESP
Tuesday, 2/5/2019
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 2/5/2019
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CERT
Tuesday, 2/5/2019
Certification by an exchange approving securities for listing
8-A12B
Monday, 2/4/2019
Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)
CORRESP
Wednesday, 12/26/2018
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 12/21/2018
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
D
Wednesday, 8/1/2018
Exempt (Private) Offering
D
Friday, 1/19/2018
Exempt (Private) Offering
D
Friday, 1/19/2018
Exempt (Private) Offering
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Ownership (192)

SC 13G/A
Wednesday, 2/14/2024
HILLHOUSE INVESTMENT MANAGEMENT, LTD.: Major Shareholders
SC 13G/A
Tuesday, 2/13/2024
VANGUARD GROUP INC: Major Shareholders
SC 13G/A
Friday, 2/9/2024
ARCH Venture Fund IX, L.P.: Major Shareholders
SC 13G
Friday, 2/9/2024
FMR LLC: Major Shareholders
SC 13G/A
Thursday, 1/11/2024
MILLENNIUM MANAGEMENT LLC: Major Shareholders
SC 13G
Thursday, 1/11/2024
Artal International S.C.A.: Major Shareholders
4
Thursday, 1/4/2024
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2024
Christian Waage: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2024
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2024
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2024
Peterson Caryn: Statement of changes in beneficial ownership of securities
3
Tuesday, 12/5/2023
Smith Robert Paul JR: Initial statement of beneficial ownership of securities
4
Tuesday, 12/5/2023
Smith Robert Paul JR: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/29/2023
Quisel John D: Statement of changes in beneficial ownership of securities
3
Wednesday, 11/29/2023
Quisel John D: Initial statement of beneficial ownership of securities
4
Wednesday, 11/22/2023
Christian Waage: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/22/2023
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/22/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/22/2023
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/22/2023
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Friday, 11/17/2023
Milligan Sandra: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/14/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
SC 13D
Friday, 7/28/2023
Growth Equity Opportunities 18 VGE, LLC: Major Shareholders
4
Wednesday, 7/26/2023
Christian Waage: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/26/2023
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/26/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Monday, 6/26/2023
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Friday, 6/9/2023
Burow Kristina: Statement of changes in beneficial ownership of securities
4
Friday, 6/9/2023
Daniel Thomas O: Statement of changes in beneficial ownership of securities
4
Friday, 6/9/2023
Cox Russell J.: Statement of changes in beneficial ownership of securities
4
Friday, 6/9/2023
GALA RENEE D: Statement of changes in beneficial ownership of securities
4
Friday, 6/9/2023
Milligan Sandra: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 5/10/2023
STATE STREET CORP: Major Shareholders
4
Tuesday, 5/9/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/9/2023
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/9/2023
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/9/2023
Christian Waage: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/9/2023
Hasnain Faheem: Statement of changes in beneficial ownership of securities
SC 13G/A
Friday, 5/5/2023
BlackRock Inc.: Major Shareholders
4
Wednesday, 4/5/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Carter Laura: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Christian Waage: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/22/2023
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Monday, 3/20/2023
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Monday, 3/20/2023
Carter Laura: Statement of changes in beneficial ownership of securities
4
Monday, 3/20/2023
Aranda Richard: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/14/2023
HHLR ADVISORS, LTD.: Major Shareholders
SC 13G/A
Thursday, 2/9/2023
VANGUARD GROUP INC: Major Shareholders
SC 13G/A
Wednesday, 2/1/2023
BlackRock Inc.: Major Shareholders
SC 13G
Tuesday, 1/10/2023
STATE STREET CORP: Major Shareholders
SC 13G
Wednesday, 1/4/2023
MILLENNIUM MANAGEMENT LLC: Major Shareholders
SC 13G
Tuesday, 12/20/2022
MILLENNIUM MANAGEMENT LLC: Major Shareholders
4
Friday, 12/9/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
Christian Waage: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Friday, 12/9/2022
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4/A
Thursday, 10/27/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/25/2022
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/25/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/25/2022
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
GALA RENEE D: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Bilenker Joshua H.: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Milligan Sandra: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Daniel Thomas O: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Christian Waage: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Cox Russell J.: Statement of changes in beneficial ownership of securities
4
Friday, 7/15/2022
Burow Kristina: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/5/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Thursday, 6/23/2022
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Thursday, 5/5/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Thursday, 3/24/2022
Christian Waage: Statement of changes in beneficial ownership of securities
4
Thursday, 3/24/2022
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Thursday, 3/24/2022
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2022
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2022
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Thursday, 3/17/2022
Carter Laura: Statement of changes in beneficial ownership of securities
SC 13G/A
Thursday, 2/10/2022
VANGUARD GROUP INC: Major Shareholders
SC 13G/A
Thursday, 2/3/2022
BlackRock Inc.: Major Shareholders
4
Monday, 1/10/2022
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2022
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2022
Hasnain Faheem: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2022
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2022
Christian Waage: Statement of changes in beneficial ownership of securities
4
Monday, 1/10/2022
Carter Laura: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/26/2021
Aranda Richard: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/26/2021
Peterson Caryn: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/26/2021
Carter Laura: Statement of changes in beneficial ownership of securities
4
Monday, 9/20/2021
Giraudo Bryan: Statement of changes in beneficial ownership of securities
4
Thursday, 7/1/2021
Carter Laura: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/22/2021
Aranda Richard: Statement of changes in beneficial ownership of securities
3
Tuesday, 6/22/2021
Aranda Richard: Initial statement of beneficial ownership of securities
3
Monday, 6/14/2021
Milligan Sandra: Initial statement of beneficial ownership of securities
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Prospectus (25)

424B3
Monday, 8/28/2023
Prospectus filed pursuant to Rule 424(b)(3)
RW
Friday, 8/18/2023
Registration Withdrawal Request
S-3
Friday, 8/18/2023
Registration statement for specified transactions by certain issuers
S-3ASR
Thursday, 8/17/2023
Automatic shelf registration statement of securities of well-known seasoned issuers
S-3ASR
Tuesday, 8/9/2022
Automatic shelf registration statement of securities of well-known seasoned issuers
S-3ASR
Thursday, 3/3/2022
Automatic shelf registration statement of securities of well-known seasoned issuers
S-8
Thursday, 3/3/2022
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
FWP
Tuesday, 5/19/2020
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B5
Tuesday, 5/19/2020
Prospectus filed pursuant to Rule 424(b)(5)
424B5
Tuesday, 5/19/2020
Prospectus filed pursuant to Rule 424(b)(5)
424B5
Monday, 5/18/2020
Prospectus filed pursuant to Rule 424(b)(5)
FWP
Monday, 5/18/2020
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B5
Monday, 5/18/2020
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Friday, 4/10/2020
Automatic shelf registration statement of securities of well-known seasoned issuers
424B4
Friday, 2/8/2019
Prospectus filed pursuant to Rule 424(b)(4)
S-8
Friday, 2/8/2019
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-1MEF
Thursday, 2/7/2019
A new registration statement filed under Rule 462(b) to add securities to a prior related effective registration statement filed on Form S-1
FWP
Wednesday, 1/30/2019
Filing under Securities Act Rules 163/433 of free writing prospectuses
S-1/A
Wednesday, 1/30/2019
General form of registration statement for all companies including face-amount certificate companies
FWP
Thursday, 1/24/2019
Filing under Securities Act Rules 163/433 of free writing prospectuses
S-1/A
Wednesday, 1/23/2019
General form of registration statement for all companies including face-amount certificate companies
S-1
Friday, 12/21/2018
General form of registration statement for all companies including face-amount certificate companies
DRSLTR
Thursday, 11/29/2018
Correspondence Related to Draft Registration Statement
DRS/A
Thursday, 11/29/2018
Draft registration statement submitted by Emerging Growth Company under Securities Act Section 6(e) or by Foreign Private Issuer under Division of Corporation Finance policy
DRS
Thursday, 10/11/2018
Draft registration statement submitted by Emerging Growth Company under Securities Act Section 6(e) or by Foreign Private Issuer under Division of Corporation Finance policy
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Proxies (12)

DEFA14A
Tuesday, 5/9/2023
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 4/28/2023
Definitive proxy statements
DEFA14A
Friday, 4/28/2023
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRE 14A
Monday, 4/17/2023
Preliminary proxy statement not related to a contested matter or merger/acquisition
DEF 14A
Wednesday, 4/27/2022
Definitive proxy statements
DEFA14A
Wednesday, 4/27/2022
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Tuesday, 4/27/2021
Definitive proxy statements
DEFA14A
Tuesday, 4/27/2021
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Monday, 4/27/2020
Definitive proxy statements
DEFA14A
Monday, 4/27/2020
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Tuesday, 4/30/2019
Definitive proxy statements
DEFA14A
Tuesday, 4/30/2019
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
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