Zanganeh Mahkam — SEC Form 4 filings
SEC reporting owner CIK 1507650. 19 Form 4 filings on record with FilingPulse; latest filed 2026-06-15.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-03-27 to 2026-06-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 9 legs across 5 filings — 4,385,395 shares, $58,343,033 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: purchase of 3,810,000 shares @ $13.12 ($49,987,200) in Summit Therapeutics Inc., filed 2026-06-12.
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 |
|---|---|---|---|---|---|
| Summit Therapeutics Inc. (SMMT) | Co-Chief Executive Officer, Director, 10% owner | 13 | 9 legs · 4,385,395 sh · $58,343,033 | — | 17 |
| PULSE BIOSCIENCES, INC. (PLSE) | Director | 6 | — | — | 14 |
Form 4 filings — Zanganeh Mahkam
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-15 | 4 | PULSE BIOSCIENCES, INC. (PLSE) | Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 14,504 (derivative) @ $0 | EDGAR |
| 2026-06-12 | 4 | Summit Therapeutics Inc. (SMMT) | Purchase (P): 3,810,000 @ $13.12 | EDGAR |
| 2026-06-04 | 4 | Summit Therapeutics Inc. (SMMT) | Purchase (P): 100,000 @ $14.60 | EDGAR |
| 2026-01-06 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 11,232 (derivative) @ $8.76 | EDGAR |
| 2025-10-23 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 266,808 @ $18.74 · Purchase (P): 26,680 @ $18.74 · Grant/award (A): 13,980,789 @ $18.74 | EDGAR |
| 2025-09-11 | 4 | Summit Therapeutics Inc. (SMMT) | Purchase (P): 333,394 @ $17.68 · Purchase (P): 5,000 @ $18.07 | EDGAR |
| 2025-08-19 | 4 | PULSE BIOSCIENCES, INC. (PLSE) | Grant/award (A): 30,000 (derivative) @ $0 · Grant/award (A): 24,134 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Summit Therapeutics Inc. (SMMT) | Option exercise (M): 74,545 @ $2.64 · Option exercise (M): 74,545 (derivative) @ $0 | EDGAR |
| 2025-05-01 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 1,040,000 (derivative) · Grant/award (A): 400,000 (derivative) · Grant/award (A): 9,590,558 (derivative) | EDGAR |
| 2025-04-09 | 4 | Summit Therapeutics Inc. (SMMT) | Option exercise/expiry (X): 3,985,055 @ $1.58 · Option exercise/expiry (X): 3,985,055 (derivative) @ $0 | EDGAR |
| 2025-02-11 | 4 | PULSE BIOSCIENCES, INC. (PLSE) | Option exercise/expiry (X): 30,121 @ $11 · Option exercise/expiry (X): 30,121 @ $11 · Option exercise/expiry (X): 30,121 (derivative) @ $0 · Option exercise/expiry (X): 30,121 (derivative) @ $0 | EDGAR |
| 2025-01-06 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 10,724 (derivative) @ $9.18 | EDGAR |
| 2024-10-03 | 4 | Summit Therapeutics Inc. (SMMT) | Option exercise/expiry (X): 315,681 @ $1.58 · Option exercise/expiry (X): 315,681 (derivative) @ $0 | EDGAR |
| 2024-09-13 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 44,052 @ $22.70 | EDGAR |
| 2024-08-23 | 4 | Summit Therapeutics Inc. (SMMT) | Grant/award (A): 260,000 (derivative) · Grant/award (A): 100,000 (derivative) · Grant/award (A): 2,397,640 (derivative) | EDGAR |
| 2024-08-13 | 4 | PULSE BIOSCIENCES, INC. (PLSE) | Grant/award (A): 200,000 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | PULSE BIOSCIENCES, INC. (PLSE) | Option exercise/expiry (X): 60,242 · Purchase (P): 30,121 (derivative) · Purchase (P): 30,121 (derivative) | EDGAR |
| 2024-06-24 | 4 | Pulse Biosciences, Inc. (PLSE) | Grant/award (A): 20,000 (derivative) @ $0 · Grant/award (A): 8,247 (derivative) @ $0 | EDGAR |
| 2024-03-27 | 4 | Summit Therapeutics Inc. (SMMT) | Purchase (P): 26,000 @ $3.72 · Purchase (P): 34,321 @ $3.72 · Purchase (P): 30,000 @ $3.75 · Purchase (P): 20,000 @ $3.71 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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