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Margaret A Horn

Chief Operating Officer

Margaret A Horn (Chief Operating Officer) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales, 1 filed past the two-business-day deadline), most often in Revolution Medicines, Inc. (RVMD). The largest single filing was $7.5M of RVMD (75,000 sh across 3 lots, as filed), executed Jan 7.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
6
0 buys · 6 sells · 1 late
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$25.7M
shares × price, as filed
Last traded
Sep 16
Filed Sep 18

Median ADV $548.2M across their filed names

Open performance
Volume by month
$16.3M$8.2M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · sells $2.5MDec 2024 · sells $197KMar 2025 · sells $119KJun 2025 · sells $140KSep 2025 · sells $219KDec 2025 · sells $372KJan 2026 · sells $7.5MMar 2026 · sells $456KJun 2026 · sells $16.3MSep 2026 · sells $975K
Buys $0 Sells $28.9M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 5 filings

Sector per market data · by filing · past 12 months

Most traded names
RVMD Revolution Medicines, Inc. RVMD · 0 buys · 11 sells 11 filings
Recent filings
RVMDSALE Revolution Medicines, Inc. View filing → $119K
3,058 sh × $39.04
Exec Mar 17 2025
Filed Mar 19 2025 · 5:30 PM ET
RVMDSALE Revolution Medicines, Inc. View filing → $197K
4,329 sh × $45.40
Exec Dec 16 2024
Filed Dec 18 2024 · 5:30 PM ET
RVMDSALE Revolution Medicines, Inc. View filing → $2.5M
50,000 sh × $50.34
Exec Oct 11 2024
Filed Oct 15 2024 · 5:30 PM ET
RVMDSALE Revolution Medicines, Inc. View filing → $191K
4,331 sh × $44.19
Exec Sep 16 2024
Filed Sep 18 2024 · 5:30 PM ET