William C. Bertrand Jr.

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Abingdon, Oxfordshire, United Kingdom
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Felecia Ettenberg, Attorney-in-Fact for William Bertrand Jr.
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 William C. Bertrand Jr.

Form 4 holding Director

ARDELYX, INC.

Security class
Stock Option (Right to Buy)
Shares / value
39,715
Estimated value
$93,364
Report date
16 Jun 2026
Price
$2.32
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Chief Operating Officer

Adaptimmune Therapeutics PLC

Security class
American Depositary Shares representing Ordinary Shares
Shares / value
7,510
Estimated value
$4,362
Report date
17 Jan 2025
Price
$0.5808
Ownership
Direct
Form 4 holding Chief Operating Officer

Adaptimmune Therapeutics PLC

Security class
Option to purchase Ordinary Shares
Shares / value
1,074,696
Estimated value
Report date
20 Feb 2025
Price
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount

Insider Reports Filed by William C. Bertrand Jr.

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