John A. Orwin

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Redwood City, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Ajim Tamboli, 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 John A. Orwin

Form 4 holding Director

ANAPTYSBIO, INC

Security class
Restricted Stock Unit
Shares / value
0
Estimated value
$92,259
Report date
15 Jun 2026
Price
$15.30
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding PRESIDENT & CEO, Director

Atreca, Inc.

Security class
Class A Common Stock
Shares / value
77,541
Estimated value
$29,047
Report date
11 Apr 2024
Price
$0.3746
Ownership
Direct
Form 4 holding Director

ANAPTYSBIO, INC

Security class
Stock Option (right to buy)
Shares / value
8,250
Estimated value
Report date
20 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

First Tracks Biotherapeutics, Inc.

Security class
Stock Option (right to buy)
Shares / value
7,000
Estimated value
Report date
12 May 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding PRESIDENT & CEO, Director

Atreca, Inc.

Security class
Series A Junior Preferred Stock
Shares / value
1
Estimated value
Report date
11 Apr 2024
Price
Ownership
Direct
Form 4 holding Director

First Tracks Biotherapeutics, Inc.

Security class
Restricted Stock Unit
Shares / value
0
Estimated value
Report date
15 Jun 2026
Price
Ownership
Direct
Underlying class
Common Stock
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 John A. Orwin

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