MarketPeel
Insider Trading Intelligence
MT

Marilyn B. Tavenner

SEM
DIRECTOR · SELECT MEDICAL HOLDINGS CORP · CIK 0001273528
FILING MIX · LIFETIME69%/31%
BUYS
9
SELLS
4
TOTAL VALUE
$1.70M
COMPANIES
2
ACTIVE SINCE
Jul 2020
HOLDINGS NOW
53,696
AVG SELL PX
$21.23
TRADE KIND
SHOWING 13 / 13
Trades · vs SPY
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Performance · forward returns vs SPY
3 backtested trades · 8 horizons · 1 pending
Forward-return performance of every backtestable P/S trade by Marilyn B. Tavenner, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d3+66.67%+0.18%+1.30%-1.11%-1.76%
14d3+100.00%-5.52%+0.82%-6.34%-7.06%
30d3+66.67%-2.49%+2.77%-5.26%-3.62%
60d3+66.67%-0.17%+3.43%-3.60%-2.75%
90d3+66.67%+1.11%+5.19%-4.08%-9.60%
180d3+66.67%-20.96%+5.66%-26.63%-29.60%
1y3+100.00%-26.57%+6.70%-33.27%-38.10%
2y3(1 pending)+100.00%-18.69%+4.04%-22.73%-22.73%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
SEM · 0 shares · as of Jun 30, 2026
013,50027,00040,50054,000202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 9 buys / 4 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
INNV
INNOVAGE HOLDING CORP.
PURCHASEGRANT
Stock grant
8,53953,696Jul 1, 2026Jul 2, 2026View →
SEM
SELECT MEDICAL HOLDINGS CORP
SALE
36,035$16.50$594.6K0Jun 30, 2026Jul 1, 2026View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
14,03536,035Jul 29, 2025Jul 31, 2025View →
INNV
INNOVAGE HOLDING CORP.
PURCHASEGRANT
Stock grant
25,31645,157Jul 1, 2025Jul 2, 2025View →
SEM
SELECT MEDICAL HOLDINGS CORP
SALE
32,000$21.09$674.9K22,000Nov 26, 2024Nov 29, 2024View →
INNV
INNOVAGE HOLDING CORP.
PURCHASEGRANT
Stock grant
19,84119,841Sep 5, 2024Sep 5, 2024View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
10,00054,000Apr 30, 2024May 1, 2024View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
10,00044,000Aug 1, 2023Aug 2, 2023View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
10,00034,000Aug 1, 2022Aug 3, 2022View →
SEM
SELECT MEDICAL HOLDINGS CORP
SALE
10,000$36.23$362.3K24,000Aug 9, 2021Aug 11, 2021View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
6,00034,000Aug 3, 2021Aug 5, 2021View →
SEM
SELECT MEDICAL HOLDINGS CORP
SALE
2,000$33.82$67.6K28,000Mar 9, 2021Mar 11, 2021View →
SEM
SELECT MEDICAL HOLDINGS CORP
PURCHASEGRANT
Stock grant
10,00030,000Jul 28, 2020Jul 30, 2020View →
Other insiders · SEM
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About this filer
CIK 0001273528
ROLE
Director
PRIMARY
SEM
COMPANIES
2
ACTIVE SINCE
Jul 2020
MARKETPEEL · /INSIDER/0001273528DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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