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Who

Tina M. Albertson

Chief Medical Officer

Company insider

Files Form 4 as: Chief Medical Officer, Caribou Biosciences; Chief Medical Officer, Lyell Immunopharma.

In numbers

Trades disclosed
10
Buys
0
Sells
1
Bought
$0
Sold
$4,179
Companies
2
Companies where not an officer
0
First trade
24 Feb 2023
Last trade
24 Feb 2026
Last filed
24 Feb 2026

Companies traded

Where they are an officer
CRBU Caribou BiosciencesOfficer · Biotechnology · last 24 Feb 20260 buys · 1 sell
LYEL Lyell ImmunopharmaOfficer · Biotechnology · last 24 Feb 20230 buys · 0 sells

Activity over time

1 Feb – 1 Oct
10Feb 26Apr 26Jun 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
24 Feb 2026filed 24 Feb 2026CRBU Caribou BiosciencesBiotechnologySEC FORM 4 Sold$2,0891,066 at $1.96filing
24 Feb 2026filed 24 Feb 2026CRBU Caribou BiosciencesBiotechnologySEC FORM 4 Sold$2,0891,066 at $1.96filing
20 Feb 2026filed 24 Feb 2026CRBU Caribou BiosciencesBiotechnologySEC FORM 4 Code A—55,000 at $0.00filing
20 Feb 2026filed 24 Feb 2026CRBU Caribou Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—247,500 at $0.00filing
20 Feb 2026filed 24 Feb 2026CRBU Caribou Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—247,500 at $0.00filing
20 Feb 2026filed 24 Feb 2026CRBU Caribou BiosciencesBiotechnologySEC FORM 4 Code A—55,000 at $0.00filing
20 Feb 2025filed 21 Feb 2025CRBU Caribou Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—66,137 at $0.00filing
20 Feb 2025filed 21 Feb 2025CRBU Caribou BiosciencesBiotechnologySEC FORM 4 Code A—14,589 at $0.00filing
19 Aug 2024filed 20 Aug 2024CRBU Caribou Biosciencesoption or derivative · BiotechnologySEC FORM 4 Code A—300,000 at $0.00filing
24 Feb 2023filed 28 Feb 2023LYEL Lyell Immunopharmaoption or derivative · BiotechnologySEC FORM 4 Code A—700,000 at $0.00filing

Sectors

Health Care1

Buys in green, sells in red, by the company’s sector.

Related people

Jarrad Mattieu AguirreChief Medical Officer · Chief Medical Officer at Lyell Immunopharma, filing Form 4 there in the last year
David ShookChief Medical Officer · Chief Medical Officer at Lyell Immunopharma, filing Form 4 there in the last year
Lynn SeelyPresident and CEO · President and CEO at Lyell Immunopharma, filing Form 4 there in the last year
Gary K. LeeChief Scientific Officer · Chief Scientific Officer at Lyell Immunopharma, filing Form 4 there in the last year
Stephen J. HillChief Operating Officer · Chief Operating Officer at Lyell Immunopharma, filing Form 4 there in the last year