MarketPeel
Insider Trading Intelligence
NP

Neil Peterson

MMSI
CHIEF OPERATING OFFICER · MERIT MEDICAL SYSTEMS INC · CIK 0001926221
FILING MIX · LIFETIME44%/56%
BUYS
15
SELLS
19
TOTAL VALUE
$7.09M
COMPANIES
1
ACTIVE SINCE
Aug 2022
HOLDINGS NOW
47,000
AVG SELL PX
$83.35
TRADE KIND
SHOWING 34 / 34
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
8 backtested trades · 8 horizons · 5 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Neil Peterson, 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
7d8+75.00%-4.13%-0.86%-3.28%-2.87%
14d8+50.00%-2.26%+0.52%-2.79%+0.18%
30d8+50.00%-0.42%+0.54%-0.97%+0.85%
60d8+75.00%-3.10%-1.14%-1.97%-3.38%
90d8+37.50%+1.93%+2.85%-0.92%+2.46%
180d8+62.50%-1.47%+9.66%-11.12%-11.74%
1y8(1 pending)+42.86%-0.05%+19.96%-20.01%-29.80%
2y8(4 pending)+25.00%+21.95%+42.59%-20.64%-14.61%
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
MMSI · 47,000 shares · as of Feb 26, 2026
013,26526,53139,79653,0612023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 15 buys / 19 sellsCOVERAGE · 15 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
17,00253,061Feb 26, 2026Mar 2, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
7,69036,059Feb 26, 2026Mar 2, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
6,061$78.02$472.9K47,000Feb 26, 2026Mar 2, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
5,000$54.40$272.0K33,369Jan 6, 2026Jan 8, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
5,0000Jan 6, 2026Jan 8, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE10b5-1
10b5-1 plan
5,000$90.00$450.0K28,369Jan 6, 2026Jan 8, 2026View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
5,000$54.40$272.0K33,369Apr 1, 2025Apr 2, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
5,0005,000Apr 1, 2025Apr 2, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE10b5-1
10b5-1 plan
5,000$104.53$522.6K28,369Apr 1, 2025Apr 2, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
5,000$54.40$272.0K33,369Mar 3, 2025Mar 4, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE10b5-1
10b5-1 plan
5,000$105.00$525.0K28,369Mar 3, 2025Mar 4, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
5,00010,000Mar 3, 2025Mar 4, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
6,27228,369Feb 28, 2025Mar 3, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
11,53326,352Feb 27, 2025Mar 3, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
4,255$98.50$419.1K22,097Feb 27, 2025Mar 3, 2025View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
5,000$98.00$490.0K14,819Nov 5, 2024Nov 7, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
5,000$54.40$272.0K19,819Nov 5, 2024Nov 7, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
5,00015,000Nov 5, 2024Nov 7, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE10b5-1
10b5-1 plan
7,500$81.85$613.8K14,819Jun 10, 2024Jun 12, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
7,500$44.80$336.0K22,319Jun 10, 2024Jun 12, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
7,5000Jun 10, 2024Jun 12, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
7,500$44.80$336.0K14,819Mar 6, 2024Mar 8, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
7,5007,500Mar 6, 2024Mar 8, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
7,3197,319Mar 4, 2024Mar 6, 2024View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
8,000$67.91$543.3K0Aug 22, 2023Aug 23, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
8,0000Aug 22, 2023Aug 23, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
8,000$28.20$225.6K8,000Aug 22, 2023Aug 23, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
8,000$28.20$225.6K8,000Mar 16, 2023Mar 20, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
8,0008,000Mar 16, 2023Mar 20, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
8,000$68.75$550.0K0Mar 16, 2023Mar 20, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASEGRANT
Stock grant
13,57613,576Feb 28, 2023Mar 2, 2023View →
MMSI
MERIT MEDICAL SYSTEMS INC
PURCHASE
CHIEF OPERATING OFFICER
4,000$16.05$64.2K4,000Aug 1, 2022Aug 3, 2022View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
4,000$58.10$232.4K0Aug 1, 2022Aug 3, 2022View →
MMSI
MERIT MEDICAL SYSTEMS INC
SALE
CHIEF OPERATING OFFICER
4,0000Aug 1, 2022Aug 3, 2022View →
Other insiders · MMSI
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About this filer
CIK 0001926221
ROLE
CHIEF OPERATING OFFICER
PRIMARY
MMSI
COMPANIES
1
ACTIVE SINCE
Aug 2022
MARKETPEEL · /INSIDER/0001926221DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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