Jason O'Byrne

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
San Francisco, CA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Shawnte Mitchell, 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 Jason O'Byrne

Form 4 holding Chief Financial Officer

Caribou Biosciences, Inc.

Security class
Option to purchase Common Stock
Shares / value
153,000
Estimated value
$352,390
Report date
20 Feb 2024
Price
$2.69
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Chief Financial Officer

Caribou Biosciences, Inc.

Security class
Common Stock
Shares / value
59,224
Estimated value
$159,313
Report date
20 Feb 2024
Price
$2.69
Ownership
Direct
Form 4 holding EVP & Chief Financial Officer

Vir Biotechnology, Inc.

Security class
Stock Option (Right to Buy)
Shares / value
110,000
Estimated value
$122,400
Report date
22 Feb 2026
Price
$1.53
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Jason O'Byrne

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