buyWeak cluster of 2
Michelle Brennan bought $31k of MASI
Interim CEO at MASIMO CORP. 200 shares at an average of $152.80, traded Aug 12, 2025, filed Aug 14, 2025.
Conviction score
28Value
$31k
200 shares
Holdings after
7,318
+3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +15RoleDirector
- +5Trade size$31k at market
- 0Relative to holdingsHoldings up 2.8%
- 0Price contextNo price history yet
- +8Cluster2 insiders buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Rows in this filing
Every transaction in Form 4 0000937556-25-000125, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 12, 2025 | POpen-market purchase Common Stock | +100 | $150.35 | $15k | 7,218 | Aug 14, 2025 |
| Aug 13, 2025 | POpen-market purchase Common Stock | +100 | $155.25 | $16k | 7,318 | Aug 14, 2025 |
Related signals
Other insiders at MASIMO CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 15Weak | MASIMO CORP | Anand Sampath EVP, Ops & Clinical Research | $2.6M 18,680 shares | -31% | |
| 50Moderate | MASIMO CORP | William R Jellison director | $438k 3,000 shares | +168% | |
| 20Weak | MASIMO CORP | Bilal Muhsin Chief Operating Officer | $1.6M 10,000 shares | -29% | |
| 25Weak | MASIMO CORP | Craig B Reynolds director | $5.4M 40,000 shares | -84% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.