William R Jellison bought $438K of Masimo (MASI)

Executed Aug 11 2025, disclosed Aug 12 2025, 1 day later.

Value, as filed

$438K

3,000 sh × $145.98

Executed

Aug 11 2025

the trade date, as filed

Disclosed

Aug 12 2025

1 day after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

not yet measured

Not yet measured: the 21-session window has not closed, or the prices around it are not on record.

The filer

WJ William R Jellison Director profile →

William R Jellison (Director) filed 2 Form 4 reports in the past 24 months (2 purchases, 0 sales), most often in MASI. Across 1 priced purchase filing, the average 21-session return was +3.2% from execution and +2.4% from disclosure (delay-adjusted; derived). The largest single filing was $463K of MDT (5,000 sh across 2 lots, as filed), executed Aug 22 2025.

The name

MASI MASI MASI · 6 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→