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Who

Tanya Lewis

Director

Company insider

Files Form 4 as: Director, DiaMedica Therapeutics; Chief Dev. Op. Officer, Replimune Group; EVP, Chief Reg. Affairs, Karyopharm Therapeutics; VP Regulatory and Quality, Vion Pharmaceuticals.

In numbers

Trades disclosed
29
Buys
0
Sells
5
Bought
$0
Sold
$645K
Companies
4
Companies where not an officer
1
First trade
10 Dec 2008
Last trade
1 Jun 2026
Last filed
3 Jun 2026

Companies traded

Where they are an officer
REPL Replimune GroupDirector, Officer · Biotechnology · last 13 Jun 20230 buys · 3 sells
KPTI Karyopharm TherapeuticsOfficer · Biotechnology · last 25 Feb 20210 buys · 2 sells
Vion PharmaceuticalsOfficer · last 10 Dec 20080 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
DMAC DiaMedica TherapeuticsDirector · Biotechnology · last 1 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Jun 2026filed 3 Jun 2026DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,412 at $0.00filing
1 Jun 2026filed 3 Jun 2026DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—40,412 at $0.00filing
1 Jun 2025filed 3 Jun 2025DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—32,162 at $0.00filing
1 Jun 2024filed 3 Jun 2024DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—28,472 at $0.00filing
13 Jun 2023filed 15 Jun 2023REPL Replimune GroupBiotechnologySEC FORM 4 Sold$290K12,043 at $24.10filing
13 Jun 2023filed 15 Jun 2023REPL Replimune GroupBiotechnologySEC FORM 4 Sold$19K817 at $23.45filing
1 Jun 2023filed 2 Jun 2023DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,493 at $0.00filing
16 May 2023filed 18 May 2023REPL Replimune GroupBiotechnologySEC FORM 4 Sold$220K12,207 at $18.05filing
1 Apr 2023filed 4 Apr 2023REPL Replimune Groupoption or derivative · BiotechnologySEC FORM 4 Code A—60,000 at $0.00filing
1 Apr 2023filed 4 Apr 2023REPL Replimune GroupBiotechnologySEC FORM 4 Code A—40,000 at $0.00filing
1 Mar 2023filed 6 Mar 2023DMAC DiaMedica Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—26,443 at $0.00filing
16 May 2022filed 18 May 2022REPL Replimune GroupBiotechnologySEC FORM 4 Sold$80K5,473 at $14.59filing
1 Apr 2022filed 5 Apr 2022REPL Replimune Groupoption or derivative · BiotechnologySEC FORM 4 Code A—78,750 at $0.00filing
1 Apr 2022filed 5 Apr 2022REPL Replimune GroupBiotechnologySEC FORM 4 Code A—52,500 at $0.00filing
10 May 2021filed 11 May 2021REPL Replimune GroupBiotechnologySEC FORM 4 Code A—73,333 at $0.00filing
10 May 2021filed 11 May 2021REPL Replimune Groupoption or derivative · BiotechnologySEC FORM 4 Code A—110,000 at $0.00filing
1 Apr 2021filed 5 Apr 2021REPL Replimune Groupoption or derivative · BiotechnologySEC FORM 4 Code A—16,500 at $0.00filing
25 Feb 2021filed 1 Mar 2021KPTI Karyopharm Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—59,968 at $0.00filing
25 Feb 2021filed 1 Mar 2021KPTI Karyopharm TherapeuticsBiotechnologySEC FORM 4 Code A—22,013 at $0.00filing
11 Feb 2021filed 17 Feb 2021KPTI Karyopharm TherapeuticsBiotechnologySEC FORM 4 Sold$32K2,046 at $15.52filing

News

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

Sectors

Health Care5

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

Related people

Kristin AbateChief Accounting Officer · Chief Accounting Officer at Karyopharm Therapeutics, filing Form 4 there in the last year
Philip Astley-SparkeDirector · Director at Replimune Group, filing Form 4 there in the last year
Emily Luisa HillChief Financial Officer · Chief Financial Officer at Replimune Group, filing Form 4 there in the last year
Andrew SchwendenmanChief Accounting Officer · Chief Accounting Officer at Replimune Group, filing Form 4 there in the last year
Konstantinos XynosChief Medical Officer · Chief Medical Officer at Replimune Group, filing Form 4 there in the last year
Sushil PatelChief Executive Officer · Also traded REPL in the last 90 days
Stuart PoultonEVP, Chief Development Officer · Also traded KPTI in the last 90 days