Washington · Established 2026

The Potomac Ledger

Tracking Washington Stock Trades · Decoded Each Week

Stock · Healthcare

Masimo Corporation (MASI) MASI

Who in Washington is trading it · Jul 14 – Sep 29

U.S. members of Congress and senior executive-branch officials must disclose their trades in Masimo Corporation (MASI) (MASI) under the STOCK Act and federal ethics rules. Below is every disclosed MASI trade we track — who traded it, when it was disclosed, and the disclosed dollar range. Figures are disclosed ranges; disclosure dates lag the trade by 30–45 days.

6Disclosed trades
2Officials
1/2Buys / Sells
$182K–$480KDisclosed $ volume
6/0Congress / Exec
4Flagged overlap

Who has traded MASI

Recent disclosed MASI trades

OfficialDisclosedTxnAmountFlags
Kevin HernSep 29SELL$15K–$50KConflict
Kevin HernJan 13s$50K–$100KConflict
Thomas H TubervilleNov 10SELL$1K–$15K
Thomas H TubervilleApr 8BUY$1K–$15K
Kevin HernJul 14p$100K–$250KConflict
Kevin HernJul 14p$15K–$50KConflict