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Who

Ann L. Lee

Chief Technical Officer

Company insider

Files Form 4 as: Chief Technical Officer, Prime Medicine; EVP, Technical Operations, Juno Therapeutics.

In numbers

Trades disclosed
20
Buys
1
Sells
0
Bought
$113K
Sold
$0
Companies
2
Companies where not an officer
0
First trade
25 Nov 2017
Last trade
23 Feb 2026
Last filed
24 Feb 2026

Companies traded

Where they are an officer
PRME Prime MedicineOfficer · Biotechnology · last 23 Feb 20261 buy · 0 sells
Juno TherapeuticsOfficer · last 5 Mar 20180 buys · 0 sells

Activity over time

1 May 2025 – 1 Oct 2026
01May 25Sep 25Feb 26Jun 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
23 Feb 2026filed 24 Feb 2026PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—375,000 at $0.00filing
23 Feb 2026filed 24 Feb 2026PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—375,000 at $0.00filing
1 Aug 2025filed 5 Aug 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code D—180,995filing
1 Aug 2025filed 5 Aug 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—180,995filing
1 Aug 2025filed 5 Aug 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code D—180,995filing
1 Aug 2025filed 5 Aug 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—180,995filing
21 May 2025filed 22 May 2025PRME Prime MedicineBiotechnologySEC FORM 4 Bought$113K100,000 at $1.13filing
8 May 2025filed 12 May 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—80,416 at $0.00filing
27 Feb 2025filed 3 Mar 2025PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—275,000 at $0.00filing
17 May 2024filed 21 May 2024PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—80,416 at $0.00filing
21 Feb 2024filed 23 Feb 2024PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—180,995 at $0.00filing
31 Mar 2023filed 4 Apr 2023PRME Prime Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—180,995 at $0.00filing
5 Mar 2018filed 7 Mar 2018Juno TherapeuticsSEC FORM 4 Code D—35,004filing
5 Mar 2018filed 7 Mar 2018Juno TherapeuticsSEC FORM 4 Code D—40,788filing
5 Mar 2018filed 7 Mar 2018Juno TherapeuticsSEC FORM 4 Code D—35,000filing
5 Mar 2018filed 7 Mar 2018Juno Therapeuticsoption or derivativeSEC FORM 4 Code D—152,900filing
31 Jan 2018filed 2 Feb 2018Juno TherapeuticsSEC FORM 4 Code A—40,788 at $0.00filing
25 Nov 2017filed 28 Nov 2017Juno TherapeuticsSEC FORM 4 Code A—35,004 at $0.00filing
25 Nov 2017filed 28 Nov 2017Juno TherapeuticsSEC FORM 4 Code A—35,000 at $0.00filing
25 Nov 2017filed 28 Nov 2017Juno Therapeuticsoption or derivativeSEC FORM 4 Code A—152,900 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care1

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

Related people

Wendy ChungDirector · Director at Prime Medicine, filing Form 4 there in the last year
Kaye I. Foster-CheekDirector · Director at Prime Medicine, filing Form 4 there in the last year
David P. SchenkeinDirector · Director at Prime Medicine, filing Form 4 there in the last year
Jeffrey D. MarrazzoDirector · Director at Prime Medicine, filing Form 4 there in the last year
Robert NelsenDirector and 10% owner · Director and 10% owner at Prime Medicine, filing Form 4 there in the last year