MarketPeel
Insider Trading Intelligence
JC

Jon Coleman

MASI
PRES-WW SALES,PRO SVC,MED AFFS · MASIMO CORP · CIK 0001442689
FILING MIX · LIFETIME39%/61%
BUYS
11
SELLS
17
TOTAL VALUE
$7.55M
COMPANIES
2
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
98,087
AVG SELL PX
$114.36
TRADE KIND
SHOWING 28 / 28
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
5 backtested trades · 8 horizons
Forward-return performance of every backtestable P/S trade by Jon Coleman, 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
7d5+20.00%-0.61%-0.89%+0.28%-0.32%
14d5+0.00%+6.67%+3.17%+3.50%+2.91%
30d5+40.00%+13.28%+2.38%+10.90%+20.95%
60d5+40.00%+4.39%+7.71%-3.31%+1.20%
90d5+20.00%+5.13%+11.27%-6.14%-3.50%
180d5+20.00%+11.87%+23.08%-11.22%-11.92%
1y5+0.00%+17.64%+44.00%-26.36%-28.93%
2y5+100.00%-36.46%+42.40%-78.85%-88.83%
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
MASI · 2,637 shares · as of Feb 26, 2021
07,06814,13621,20428,2722021SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
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 · 11 buys / 17 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
DXCM
DEXCOM INC
SALE10b5-1
10b5-1 plan
4,911$74.13$364.1K95,450Jun 4, 2026Jun 5, 2026View →
DXCM
DEXCOM INC
SALE10b5-1
10b5-1 plan
4,912$73.00$358.6K100,361Jun 3, 2026Jun 5, 2026View →
DXCM
DEXCOM INC
SALE
EVP, Chief Commercial Officer
7,362$71.90$529.3K105,273May 22, 2026May 27, 2026View →
DXCM
DEXCOM INC
PURCHASEGRANT
Stock grant
43,897112,635Mar 8, 2026Mar 10, 2026View →
DXCM
DEXCOM INC
PURCHASEGRANT
Stock grant
68,73868,738May 22, 2025May 27, 2025View →
MASI
MASIMO CORP
PURCHASEGRANT
Stock grant
2,637$250.73$661.2K2,637Feb 26, 2021Mar 2, 2021View →
MASI
MASIMO CORP
PURCHASEGRANT
Stock grant
14,59328,272Feb 22, 2021Feb 24, 2021View →
MASI
MASIMO CORP
PURCHASE
Pres-WW OEM & Global Health
2,00014,465Jan 2, 2021Jan 6, 2021View →
MASI
MASIMO CORP
SALE
Pres-WW OEM & Global Health
2,0002,000Jan 2, 2021Jan 6, 2021View →
MASI
MASIMO CORP
SALE
Pres-WW OEM & Global Health
786$268.38$210.9K13,679Jan 2, 2021Jan 6, 2021View →
MASI
MASIMO CORP
PURCHASE
Pres-WW OEM & Global Health
8,250$31.01$255.8K20,715Dec 28, 2020Dec 30, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW OEM & Global Health
8,250$264.02$2.18M12,465Dec 28, 2020Dec 30, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW OEM & Global Health
8,250$31.01$255.8K2,500Dec 28, 2020Dec 30, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
1,250$31.01$38.8K10,750Jul 6, 2020Jul 8, 2020View →
MASI
MASIMO CORP
PURCHASE
Pres-WW Sales,Pro Svc,Med Affs
1,250$31.01$38.8K13,715Jul 6, 2020Jul 8, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
1,250$235.00$293.8K12,465Jul 6, 2020Jul 8, 2020View →
MASI
MASIMO CORP
PURCHASE
Pres-WW Sales,Pro Svc,Med Affs
2,000$28.03$56.1K14,465Apr 15, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$28.03$56.1K0Apr 15, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$28.03$56.1K2,000Apr 15, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$195.00$390.0K12,465Apr 15, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$200.00$400.0K12,465Apr 15, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$190.00$380.0K12,465Apr 14, 2020Apr 15, 2020View →
MASI
MASIMO CORP
PURCHASE
Pres-WW Sales,Pro Svc,Med Affs
2,000$28.03$56.1K14,465Apr 14, 2020Apr 15, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,000$28.03$56.1K4,000Apr 14, 2020Apr 15, 2020View →
MASI
MASIMO CORP
PURCHASEGRANT
Stock grant
4,422$179.42$793.4K4,422Mar 12, 2020Mar 16, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
2,0004,000Jan 2, 2020Jan 6, 2020View →
MASI
MASIMO CORP
PURCHASE
Pres-WW Sales,Pro Svc,Med Affs
2,00013,201Jan 2, 2020Jan 6, 2020View →
MASI
MASIMO CORP
SALE
Pres-WW Sales,Pro Svc,Med Affs
736$158.58$116.7K12,465Jan 2, 2020Jan 6, 2020View →
Other insiders · MASI
Loading peer insiders…
About this filer
CIK 0001442689
ROLE
Pres-WW Sales,Pro Svc,Med Affs
PRIMARY
MASI
COMPANIES
2
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0001442689DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback