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Who

Neil Josephson

Chief Medical Officer

Company insider

Files Form 4 as: Chief Medical Officer, Iambic Therapeutics; Chief Medical Officer, Zymeworks; Chief Medical Officer, Zymeworks BC.

In numbers

Trades disclosed
22
Buys
1
Sells
3
Bought
$71K
Sold
$60K
Companies
3
Companies where not an officer
0
First trade
6 Jul 2021
Last trade
14 Oct 2026
Last filed
16 Oct 2026

Companies traded

Where they are an officer
IAM Iambic TherapeuticsOfficer · last 14 Oct 20260 buys · 0 sells
ZYME ZymeworksOfficer · Biotechnology · last 10 Nov 20220 buys · 2 sells
Zymeworks BCOfficer · last 10 Nov 20221 buy · 1 sell

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
14 Oct 2026filed 16 Oct 2026IAM Iambic TherapeuticsSEC FORM 4 Code A—31,000 at $0.00filing
14 Oct 2026filed 16 Oct 2026IAM Iambic Therapeuticsoption or derivativeSEC FORM 4 Code A—185,900 at $0.00filing
10 Nov 2022filed 23 Dec 2022ZYME Zymeworksoption or derivative · BiotechnologySEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 23 Dec 2022ZYME ZymeworksBiotechnologySEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 23 Dec 2022ZYME ZymeworksBiotechnologySEC FORM 4 Sold$20K2,475 at $8.10filing
10 Nov 2022filed 14 Nov 2022Zymeworks BCoption or derivativeSEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 14 Nov 2022Zymeworks BCSEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 14 Nov 2022Zymeworks BCSEC FORM 4 Sold$20K2,475 at $8.10filing
10 Nov 2022filed 14 Nov 2022ZYME Zymeworksoption or derivative · BiotechnologySEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 14 Nov 2022ZYME ZymeworksBiotechnologySEC FORM 4 Code M—5,885 at $0.00filing
10 Nov 2022filed 14 Nov 2022ZYME ZymeworksBiotechnologySEC FORM 4 Sold$20K2,475 at $8.10filing
5 Jul 2022filed 5 Jul 2022ZymeworksSEC FORM 4 Code A$6,8781,525 at $4.51filing
10 Mar 2022filed 11 Mar 2022Zymeworksoption or derivativeSEC FORM 4 Code M—729 at $0.00filing
10 Mar 2022filed 11 Mar 2022Zymeworksoption or derivativeSEC FORM 4 Code M—1,666 at $0.00filing
10 Mar 2022filed 11 Mar 2022ZymeworksSEC FORM 4 Code M—729 at $0.00filing
10 Mar 2022filed 11 Mar 2022ZymeworksSEC FORM 4 Code M—1,666 at $0.00filing
7 Jan 2022filed 11 Jan 2022ZymeworksSEC FORM 4 Bought$20K1,400 at $14.27filing
7 Jan 2022filed 11 Jan 2022ZymeworksSEC FORM 4 Bought$51K3,600 at $14.28filing
7 Jan 2022filed 7 Jan 2022ZymeworksSEC FORM 4 Code A$90665 at $13.94filing
10 Nov 2021filed 12 Nov 2021Zymeworksoption or derivativeSEC FORM 4 Code A—105,943 at $0.00filing

News

Sectors

Health Care2
Not placed2

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

Related people

R. Jacob VogelsteinDirector · Director at Iambic Therapeutics, filing Form 4 there in the last year
Evan Lockwood RachlinDirector · Director at Iambic Therapeutics, filing Form 4 there in the last year
Catalio Capital Management, LP10% owner · 10% owner at Iambic Therapeutics, filing Form 4 there in the last year
Michael SecoraCFO & Chief Corp Dev Ofcr · CFO & Chief Corp Dev Ofcr at Iambic Therapeutics, filing Form 4 there in the last year
William H. RastetterDirector and Other role · Director and Other at Iambic Therapeutics, filing Form 4 there in the last year
Adam SchayowitzEVP, Head of R&D · Also traded ZYME in the last 90 days