Aoife Brennan

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Cambridge, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Chandra Adams, as Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Aoife Brennan

Form 4 holding President and CEO, Director

Climb Bio, Inc.

Security class
Restricted Stock Units
Shares / value
137,500
Estimated value
$1,983,988
Report date
27 Jun 2026
Price
$7.21
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding President and CEO, Director

Climb Bio, Inc.

Security class
Common Stock
Shares / value
87,731
Estimated value
$1,155,417
Report date
29 Jun 2026
Price
$13.17
Ownership
Direct
Form 4 holding President and CEO, Director

SYNLOGIC, INC.

Security class
Common Stock
Shares / value
256,301
Estimated value
$147,578
Report date
03 Apr 2023
Price
$0.5758
Ownership
Direct
Form 4 holding Director

FIBROGEN INC

Security class
Common Stock
Shares / value
27,947
Estimated value
$21,240
Report date
09 Jun 2023
Price
$0.7600
Ownership
Direct
Form 4 holding President and CEO, Director

Climb Bio, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
700,000
Estimated value
Report date
06 Jan 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

FIBROGEN INC

Security class
Stock Option (Right to Buy)
Shares / value
70,000
Estimated value
Report date
05 Jun 2024
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding President and CEO, Director

SYNLOGIC, INC.

Security class
Stock Option (right to buy)
Shares / value
8,666
Estimated value
Report date
10 Nov 2023
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Aoife Brennan

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