Horn Margaret A — SEC Form 4 filings
SEC reporting owner CIK 1294192. 20 Form 4 filings on record with FilingPulse; latest filed 2026-09-18.
Transaction summary — filings shown
Covers all 20 filings on record, filed 2024-03-05 to 2026-09-18. 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): 27 legs across 15 filings — 293,975 shares, $30,257,862 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 36.
- Largest priced transaction: sale of 60,400 shares @ $160.17 ($9,674,304) in Revolution Medicines, Inc., filed 2026-06-17.
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 |
|---|---|---|---|---|---|
| Revolution Medicines, Inc. (RVMD) | Chief Operating Officer | 18 | — | 27 legs · 293,975 sh · $30,257,862 | 32 |
| SANGAMO THERAPEUTICS, INC (SGMO) | Director | 2 | — | — | 4 |
Form 4 filings — Horn Margaret A
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 76 @ $195.01 · Sale (S): 4,891 @ $199.30 | EDGAR |
| 2026-06-17 | 4 | Revolution Medicines, Inc. (RVMD) | Option exercise (M): 15,546 @ $40.74 · Option exercise (M): 44,854 @ $29.80 · Sale (S): 60,400 @ $160.17 · Sale (S): 3,575 @ $156.12 · Option exercise (M): 573 @ $40.74 · Option exercise (M): 3,302 @ $29.80 · +7 more | EDGAR |
| 2026-06-15 | 4 | Revolution Medicines, Inc. (RVMD) | Option exercise (M): 1,094 @ $42.45 · Option exercise (M): 8,906 @ $40.74 · Sale (S): 1,315 @ $144.28 · Sale (S): 885 @ $145.15 · Sale (S): 700 @ $146.04 · Sale (S): 500 @ $147.27 · +5 more | EDGAR |
| 2026-03-19 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,583 @ $99.48 | EDGAR |
| 2026-03-03 | 4 | Revolution Medicines, Inc. (RVMD) | Grant/award (A): 21,100 @ $0 · Grant/award (A): 47,600 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Revolution Medicines, Inc. (RVMD) | Option exercise (M): 51,406 @ $42.45 · Option exercise (M): 23,594 @ $29.80 · Sale (S): 53,096 @ $100.02 · Sale (S): 20,204 @ $101.79 · Sale (S): 1,700 @ $102.90 · Option exercise (M): 51,406 (derivative) @ $0 · +1 more | EDGAR |
| 2025-12-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,847 @ $76.82 | EDGAR |
| 2025-09-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,775 @ $45.82 | EDGAR |
| 2025-06-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 3,510 @ $39.83 | EDGAR |
| 2025-06-16 | 4 | SANGAMO THERAPEUTICS, INC (SGMO) | Grant/award (A): 25,000 @ $0 · Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-03-19 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 3,058 @ $39.04 | EDGAR |
| 2025-03-04 | 4 | Revolution Medicines, Inc. (RVMD) | Grant/award (A): 28,600 @ $0 · Grant/award (A): 100,100 (derivative) @ $0 | EDGAR |
| 2024-12-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,329 @ $45.40 | EDGAR |
| 2024-10-15 | 4 | Revolution Medicines, Inc. (RVMD) | Option exercise (M): 44,631 @ $4.09 · Option exercise (M): 5,369 @ $4.09 · Sale (S): 50,000 @ $50.34 · Option exercise (M): 44,631 (derivative) @ $0 · Option exercise (M): 5,369 (derivative) @ $0 | EDGAR |
| 2024-09-18 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,331 @ $44.19 | EDGAR |
| 2024-06-20 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 4,415 @ $37.39 | EDGAR |
| 2024-06-06 | 4 | SANGAMO THERAPEUTICS, INC (SGMO) | Grant/award (A): 25,000 @ $0 · Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2024-03-20 | 4 | Revolution Medicines, Inc. (RVMD) | Sale (S): 2,914 @ $31.58 | EDGAR |
| 2024-03-13 | 4 | Revolution Medicines, Inc. (RVMD) | Option exercise (M): 15,735 @ $4.09 · Sale (S): 15,735 @ $34.02 · Option exercise (M): 7,936 @ $4.09 · Sale (S): 7,936 @ $34.07 · Option exercise (M): 15,735 (derivative) @ $0 · Option exercise (M): 7,936 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | Revolution Medicines, Inc. (RVMD) | Grant/award (A): 41,000 @ $0 · Grant/award (A): 143,500 (derivative) @ $0 | 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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