David W. Gryska

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Sunnyvale, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Mark Sullivan, Attorney-in-Fact for David W Gryska
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 David W. Gryska

Form 4 holding Director

Forte Biosciences, Inc.

Security class
Stock Option (right to buy)
Shares / value
31,000
Estimated value
Report date
20 Mar 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

AERIE PHARMACEUTICALS INC

Security class
Common Stock
Shares / value
0
Estimated value
Report date
21 Nov 2022
Price
$15.25
Ownership
By the Gryska Family Trust
Form 4 holding Director

AERIE PHARMACEUTICALS INC

Security class
Stock Option (right to buy)
Shares / value
0
Estimated value
Report date
21 Nov 2022
Price
$9.14
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

GW PHARMACEUTICALS PLC

Security class
Share Options
Shares / value
0
Estimated value
Report date
05 May 2021
Price
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
Form 4 holding Director

Seagen Inc.

Security class
Common Stock
Shares / value
0
Estimated value
Report date
14 Dec 2023
Price
$229.00
Ownership
Direct
Form 4 holding Director

Seagen Inc.

Security class
Restricted Stock Units
Shares / value
0
Estimated value
Report date
14 Dec 2023
Price
$229.00
Ownership
Direct
Underlying class
Common stock
Underlying amount
Form 4 holding Director

Seagen Inc.

Security class
Stock Options (Right to Buy)
Shares / value
0
Estimated value
Report date
14 Dec 2023
Price
Ownership
Direct
Underlying class
Common stock
Underlying amount

Insider Reports Filed by David W. Gryska

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 .