Horn Margaret A
Director · Officer · RVMD
As of 2026-09-27, Horn Margaret A has 63 Form 4 transactions on record across 1 company — 36 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $30.7M
- Indirect $0
| RVMD | direct | 149,680 sh | $30.7M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-16 | RVMD | Sale | 4,891 @ $199.30 | $975K | −3.2% of holding | 149,680 | Form 4 |
| 2026-09-16 | RVMD | Sale | 76 @ $195.01 | $15K | −0.0% of holding | 154,571 | Form 4 |
| 2026-06-17 | RVMD | Sale | 29,600 @ $160.12 | $4.7M | −16.1% of holding | 154,647 | Form 4 |
| 2026-06-15 | RVMD | Sale | 60,400 @ $160.17 | $9.7M | −27.6% of holding | 158,222 | Form 4 |
| 2026-06-11 | RVMD | Sale | 4,600 @ $149.64 | $688K | −2.8% of holding | 158,422 | Form 4 |
| 2026-06-11 | RVMD | Sale | 1,800 @ $148.72 | $268K | −1.1% of holding | 163,022 | Form 4 |
| 2026-06-11 | RVMD | Sale | 1,315 @ $144.28 | $190K | −0.8% of holding | 166,907 | Form 4 |
| 2026-06-11 | RVMD | Sale | 885 @ $145.15 | $128K | −0.5% of holding | 166,022 | Form 4 |
| 2026-06-11 | RVMD | Sale | 700 @ $146.04 | $102K | −0.4% of holding | 165,322 | Form 4 |
| 2026-06-11 | RVMD | Sale | 500 @ $147.27 | $74K | −0.3% of holding | 164,822 | Form 4 |
| 2026-06-11 | RVMD | Sale | 200 @ $150.17 | $30K | −0.1% of holding | 158,222 | Form 4 |
| 2026-03-17 | RVMD | Sale | 4,583 @ $99.48 | $456K | −2.8% of holding | 157,570 | Form 4 |
| 2026-01-07 | RVMD | Sale | 53,096 @ $100.02 | $5.3M | −24.6% of holding | 162,957 | Form 4 |
| 2026-01-07 | RVMD | Sale | 20,204 @ $101.79 | $2.1M | −12.4% of holding | 142,753 | Form 4 |
| 2026-01-07 | RVMD | Sale | 1,700 @ $102.90 | $175K | −1.2% of holding | 141,053 | Form 4 |
| 2025-12-16 | RVMD | Sale | 4,847 @ $76.82 | $372K | −3.3% of holding | 141,053 | Form 4 |
| 2025-09-16 | RVMD | Sale | 4,775 @ $45.82 | $219K | −3.2% of holding | 145,900 | Form 4 |
| 2025-06-16 | RVMD | Sale | 3,575 @ $156.12 | $558K | −2.3% of holding | 154,647 | Form 4 |
| 2025-06-16 | RVMD | Sale | 3,510 @ $39.83 | $140K | −2.3% of holding | 150,675 | Form 4 |
| 2025-03-17 | RVMD | Sale | 3,058 @ $39.04 | $119K | −2.0% of holding | 153,533 | Form 4 |
| 2024-12-16 | RVMD | Sale | 4,329 @ $45.40 | $197K | −3.3% of holding | 127,991 | Form 4 |
| 2024-10-11 | RVMD | Sale | 50,000 @ $50.34 | $2.5M | −27.4% of holding | 132,320 | Form 4 |
| 2024-09-16 | RVMD | Sale | 4,331 @ $44.19 | $191K | −3.2% of holding | 132,320 | Form 4 |
| 2024-06-17 | RVMD | Sale | 4,415 @ $37.39 | $165K | −3.1% of holding | 136,651 | Form 4 |
| 2024-03-18 | RVMD | Sale | 2,914 @ $31.58 | $92K | −2.0% of holding | 139,553 | Form 4 |
| 2024-03-12 | RVMD | Sale | 7,936 @ $34.07 | $270K | −5.3% of holding | 142,467 | Form 4 |
| 2024-03-11 | RVMD | Sale | 15,735 @ $34.02 | $535K | −9.9% of holding | 142,467 | Form 4 |
36 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-17 | RVMD | Option exercise | 25,725 | 184,247 | Form 4 |
| 2026-06-17 | RVMD | Option exercise | 3,302 | 158,522 | Form 4 |
| 2026-06-17 | RVMD | Option exercise | 573 | 155,220 | Form 4 |
| 2026-06-17 | RVMD | Option exercise | 573 | 75,075 | Form 4 |
| 2026-06-17 | RVMD | Option exercise | 25,725 | 114,275 | Form 4 |
| 2026-06-17 | RVMD | Option exercise | 3,302 | 71,750 | Form 4 |
| 2026-06-15 | RVMD | Option exercise | 44,854 | 218,622 | Form 4 |
| 2026-06-15 | RVMD | Option exercise | 15,546 | 173,768 | Form 4 |
| 2026-06-15 | RVMD | Option exercise | 15,546 | 75,648 | Form 4 |
| 2026-06-15 | RVMD | Option exercise | 44,854 | 75,052 | Form 4 |
| 2026-06-11 | RVMD | Option exercise | 8,906 | 168,222 | Form 4 |
| 2026-06-11 | RVMD | Option exercise | 1,094 | 159,316 | Form 4 |
| 2026-06-11 | RVMD | Option exercise | 1,094 | 0 | Form 4 |
| 2026-06-11 | RVMD | Option exercise | 8,906 | 91,194 | Form 4 |
| 2026-03-01 | RVMD | Award / grant | 21,100 | 162,153 | Form 4 |
| 2026-03-01 | RVMD | Award / grant | 47,600 | 47,600 | Form 4 |
| 2026-01-07 | RVMD | Option exercise | 51,406 | 192,459 | Form 4 |
| 2026-01-07 | RVMD | Option exercise | 23,594 | 216,053 | Form 4 |
| 2026-01-07 | RVMD | Option exercise | 51,406 | 1,094 | Form 4 |
| 2026-01-07 | RVMD | Option exercise | 23,594 | 119,906 | Form 4 |
| 2025-06-12 | — | Award / grant | 25,000 | 82,650 | Form 4 |
| 2025-06-12 | — | Award / grant | 50,000 | 50,000 | Form 4 |
| 2025-03-01 | RVMD | Award / grant | 100,100 | 100,100 | Form 4 |
| 2025-03-01 | RVMD | Award / grant | 28,600 | 156,591 | Form 4 |
| 2024-10-11 | RVMD | Option exercise | 44,631 | 176,951 | Form 4 |
| 2024-10-11 | RVMD | Option exercise | 5,369 | 182,320 | Form 4 |
| 2024-10-11 | RVMD | Option exercise | 44,631 | 0 | Form 4 |
| 2024-10-11 | RVMD | Option exercise | 5,369 | 97,382 | Form 4 |
| 2024-06-04 | — | Award / grant | 50,000 | 50,000 | Form 4 |
| 2024-06-04 | — | Award / grant | 25,000 | 57,650 | Form 4 |
| 2024-03-12 | RVMD | Option exercise | 7,936 | 150,403 | Form 4 |
| 2024-03-12 | RVMD | Option exercise | 7,936 | 44,631 | Form 4 |
| 2024-03-11 | RVMD | Option exercise | 15,735 | 158,202 | Form 4 |
| 2024-03-11 | RVMD | Option exercise | 15,735 | 52,567 | Form 4 |
| 2024-03-01 | RVMD | Award / grant | 143,500 | 143,500 | Form 4 |
| 2024-03-01 | RVMD | Award / grant | 41,000 | 142,467 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.