MarketPeel
Insider Trading Intelligence
SL

Stephanie Lovell

TMDX
DIRECTOR · TRANSMEDICS GROUP, INC. · CIK 0001772054
FILING MIX · LIFETIME68%/32%
BUYS
15
SELLS
7
TOTAL VALUE
$1.28M
COMPANIES
2
ACTIVE SINCE
Jun 2020
HOLDINGS NOW
25,788
AVG SELL PX
$68.02
TRADE KIND
SHOWING 22 / 22
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizons · 3 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Stephanie Lovell, 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
7d4+25.00%-1.86%-0.58%-1.29%+2.07%
14d4+25.00%-3.82%-2.20%-1.62%+4.12%
30d4+50.00%-5.80%-4.35%-1.45%+6.39%
60d4+25.00%-0.17%+0.93%-1.10%+11.26%
90d4+25.00%-5.43%+0.05%+10.88%+12.04%
180d4(1 pending)+0.00%+27.53%+5.39%+22.15%+23.50%
1y4(1 pending)+0.00%+18.14%+15.33%+2.81%+4.03%
2y4(1 pending)+0.00%+34.11%+52.67%-18.56%-15.21%
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
TMDX · 5,788 shares · as of May 20, 2026
04,5009,00013,50018,00020222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 15 buys / 7 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
2,9225,788May 20, 2026May 22, 2026View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
1,193$149.62$178.5K2,866Mar 4, 2026Mar 6, 2026View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
2,1344,059May 22, 2025May 23, 2025View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
7321,925May 23, 2024May 28, 2024View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
1,1541,154May 23, 2024May 28, 2024View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
1,1931,193May 25, 2023May 30, 2023View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
1,9161,916May 25, 2023May 30, 2023View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
5,657$59.50$336.6K0Nov 23, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASE
5,657$47.82$270.5K5,657Nov 23, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
5,6578,543Nov 23, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASE
1,100$26.26$28.9K1,100Nov 22, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
3,800$57.97$220.3K0Nov 22, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
3,80014,200Nov 22, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASE
3,800$47.82$181.7K3,800Nov 22, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
1,1001,150Nov 22, 2022Nov 23, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
SALE
1,100$58.04$63.8K0Nov 22, 2022Nov 23, 2022View →
CYCN
CYCLERION THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
20,00020,000Jun 14, 2022Jun 16, 2022View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
13,50013,500Jun 1, 2022Jun 6, 2022View →
CYCN
CYCLERION THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
10,00010,000Jun 24, 2021Jun 28, 2021View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
2,2502,250May 27, 2021Jun 1, 2021View →
TMDX
TRANSMEDICS GROUP, INC.
PURCHASEGRANT
Stock grant
18,00018,000Mar 22, 2021Mar 24, 2021View →
CYCN
CYCLERION THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
10,00010,000Jun 16, 2020Jun 18, 2020View →
Other insiders · TMDX
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About this filer
CIK 0001772054
ROLE
Director
PRIMARY
TMDX
COMPANIES
2
ACTIVE SINCE
Jun 2020
MARKETPEEL · /INSIDER/0001772054DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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