William D. Clark

Insider Reports History

Identity 1 identity field
Location
Cambridge, MA
SEC source record 1 source field
Owner filing signature
/s/ Marc Banjak, Attorney-in-fact
Source evidence 1 source field
Transaction evidence
Report rows are grouped by the transaction date disclosed in the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for William D. Clark

Form 4 holding President and CEO, Director

GENOCEA BIOSCIENCES, INC.

Security class
Common Stock
Shares / value
304,377
Estimated value
$380,471
Report date
02 Jun 2022
Price
$1.25
Ownership
Direct
Form 4 holding Director

iBio, Inc.

Security class
Common Stock
Shares / value
1,838
Estimated value
$4,999
Report date
10 Jan 2025
Price
$2.72
Ownership
Direct
Form 4 holding Director

Aldeyra Therapeutics, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
76,760
Estimated value
Report date
17 Apr 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

iBio, Inc.

Security class
Stock Option (right to buy)
Shares / value
13,500
Estimated value
Report date
20 Nov 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by William D. Clark

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .