Wednesday, September 16, 2026Latest filing Sep 14, 2026

MASI Congressional Stock Trades

Masimo Corporation (MASI)

Last disclosed trade Sep 26

Every disclosed trade in MASI by members of Congress under the STOCK Act, parsed by Coldpine. Informational only, sourced from public filings. Not investment advice.

Sample · the intelligence layer

Coldpine signal scoreA 0-1 composite from four weighted factors: disclosure speed, trade size, cluster activity (multiple members buying the same name), and the member’s track record. ≥ 0.65 is the high-conviction tier; ≥ 0.50 is moderate. Trades from trust-managed members are penalized (× 0.2 multiplier). It’s research, not a recommendation.

Kevin Hern · Sold $MASI · Dec 19 · $50K–$100K

0.11LOW
Disclosure speedx 0.250.30
Trade sizex 0.250.75
Cluster activityx 0.150.00
Track recordx 0.350.84

Managed-account penalty applied (x 0.20): filings dominated by trust or wealth-manager activity are discounted.

Every disclosed trade in the database gets this treatment: a four-factor score and a written read from Coldpine’s AI-based analysis. Informational only, not investment advice. Create a free account for every scored trade →

Follow $MASI

Get notified when any member of Congress trades $MASI. Free, no card, no spam.

Follow free →
2
Disclosed trades
0
Buys
2
Sells
1
Members trading

The record on $MASI

Coldpine has parsed 2 disclosed trades in $MASI by 1 member of Congress, drawn from 2 periodic transaction reports dated Dec 19, 2022 through Sep 26, 2025. All of them came from House members, all filed by Republicans.

Of the 2 trades with a known filing lag, every one was reported inside the STOCK Act's 45-day window. The median lag was 23 days. The longest was 25 days: a $MASI sale by Kevin Hern dated Dec 19, 2022, disclosed Jan 13, 2023. How late filing is measured across all of Congress is in the late-filers study.

2 of the 2 trades that list an account holder (100%) were reported under a spouse, dependent child, or joint account rather than the member directly.

Members who trade MASI

Recent disclosed trades in MASI

DateMemberTypeAmount
Sep 26Kevin Hern(OK)sell$15K–$50K
Dec 19Kevin Hern(OK)sell$50K–$100K

Data sourced from public STOCK Act disclosures. Coldpine is a publisher of intelligence on congressional disclosures, not an investment adviser. See full history and scores, free with an account →