Insider · CIK 0001121897
Michael R. McDonnell
Files at BAX (BAXTER INTERNATIONAL INC), MMSI (MERIT MEDICAL SYSTEMS INC), BIIB (BIOGEN INC.). First filing Jun 3, 2025, latest Jun 3, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MMSI: MERIT MEDICAL SYSTEMS INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 35Weak | MERIT MEDICAL SYSTEMS INC | $330k 3,500 shares | -35% | +7% from low-14% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Feb 13, 2026 | BAX BAXTER INTERNATIONAL INC | AGrant or award Common Stock, $1 par value | +1,811 | $0.00 | $0 | 1,811 | Feb 18, 2026 |
| May 30, 2025 | MMSI MERIT MEDICAL SYSTEMS INC | SOpen-market sale Common Stock, No Par Value10b5-1 | -1,750 | $94.30 | $165k | 8,145 | Jun 3, 2025 |
| Jun 2, 2025 | MMSI MERIT MEDICAL SYSTEMS INC | SOpen-market sale Common Stock, No Par Value10b5-1 | -1,750 | $94.51 | $165k | 6,395 | Jun 3, 2025 |
| May 15, 2025 | MMSI MERIT MEDICAL SYSTEMS INC | AGrant or award Common Stock, No Par Value | +2,152 | $0.00 | $0 | 9,895 | May 19, 2025 |
| Feb 10, 2025 | BIIB BIOGEN INC. | MOption exercise Common Stock | +3,257 | $0.00 | $0 | 25,712 | Feb 12, 2025 |
| Feb 10, 2025 | BIIB BIOGEN INC. | FTax withholding Common Stock | -1,371 | $142.54 | $195k | 24,341 | Feb 12, 2025 |
| Feb 10, 2025 | BIIB BIOGEN INC. | MOption exercise Restricted Stock Unitderivative | -3,257 | $0.00 | $0 | 0 | Feb 12, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | MOption exercise Common Stock | +2,335 | $0.00 | $0 | 21,741 | Feb 10, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | FTax withholding Common Stock | -786 | $141.35 | $111k | 20,955 | Feb 10, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | MOption exercise Common Stock | +2,216 | $0.00 | $0 | 23,171 | Feb 10, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | FTax withholding Common Stock | -716 | $141.35 | $101k | 22,455 | Feb 10, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | MOption exercise Restricted Stock Unitderivative | -2,335 | $0.00 | $0 | 2,335 | Feb 10, 2025 |
| Feb 7, 2025 | BIIB BIOGEN INC. | MOption exercise Restricted Stock Unitderivative | -2,216 | $0.00 | $0 | 4,434 | Feb 10, 2025 |
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.