Josephson Neil — SEC insider filings
SEC reporting owner CIK 1864141. 7 insider filings on record with FilingPulse; latest filed 2026-10-16.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2022-03-11 to 2026-10-16. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 3 filings — 7,425 shares, $60,135 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 13.
- Largest priced transaction: sale of 2,475 shares @ $8.10 ($20,045) in Zymeworks Inc., filed 2022-12-23.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Zymeworks Inc. (ZYME) | Chief Medical Officer | 2 | — | 2 legs · 4,950 sh · $40,090 | 4 |
| Zymeworks BC Inc. (ZYME) | Chief Medical Officer | 3 | — | 1 leg · 2,475 sh · $20,045 | 7 |
| Iambic Therapeutics, Inc. (IAM) | Chief Medical Officer | 2 | — | — | 2 |
Insider filings — Josephson Neil
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-10-16 | 4 | Iambic Therapeutics, Inc. (IAM) | Grant/award (A): 31,000 @ $0 · Grant/award (A): 185,900 (derivative) @ $0 | EDGAR |
| 2026-10-14 | 3 | Iambic Therapeutics, Inc. (IAM) | Holdings only — no transactions reported | EDGAR |
| 2022-12-23 | 4/A | Zymeworks Inc. (ZYME) | Option exercise (M): 5,885 @ $0 · Sale (S): 2,475 @ $8.10 · Option exercise (M): 5,885 (derivative) @ $0 | EDGAR |
| 2022-11-14 | 4 | Zymeworks BC Inc. (ZYME) | Option exercise (M): 5,885 @ $0 · Sale (S): 2,475 @ $8.10 · Option exercise (M): 5,885 (derivative) @ $0 | EDGAR |
| 2022-11-14 | 4 | Zymeworks Inc. (ZYME) | Option exercise (M): 5,885 @ $0 · Sale (S): 2,475 @ $8.10 · Option exercise (M): 5,885 (derivative) @ $0 | EDGAR |
| 2022-07-05 | 4 | Zymeworks Inc. (ZYME) | Grant/award (A): 1,525 @ $4.51 | EDGAR |
| 2022-03-11 | 4 | Zymeworks Inc. (ZYME) | Option exercise (M): 729 @ $0 · Option exercise (M): 1,666 @ $0 · Option exercise (M): 729 (derivative) @ $0 · Option exercise (M): 1,666 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2022-03-08 and is expanding backward through EDGAR history; Forms 3 and 5 are covered live-forward since 2026-09-23 (no 3/5 history). Earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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