| Filed | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| 2026-01-30 | Sampath Anand EVP, Ops & Clinical Research | Sold | 11,924 | $136.56 | $1.6M |
| 2025-08-14 | Brennan Michelle Director | Bought | 200 | $152.80 | $31k |
| 2025-08-12 | Jellison William R Director | Bought | 3,000 | $145.98 | $438k |
| 2025-03-12 | Muhsin Bilal Chief Operating Officer | Sold | 17,052 | $168.00 | $2.9M |
| Insider | Role | Buys | Total bought |
|---|---|---|---|
| Jellison William R | Director | 1 | $438k |
| Brennan Michelle | Director | 1 | $31k |
Every insider buy and sell for MASI plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.
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