| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | EVP, Chief Financial Officer | EVP and CFO +1 more
4 companies
Michael R. McDonnell is EVP, Chief Financial Officer at BIIB, with reported holdings spanning 4 companies. Michael R. McDonnell's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $12.2M at current prices.
Michael R. McDonnell's largest disclosed position is in BIIB as EVP, Chief Financial Officer, worth about $6.1M.
Michael R. McDonnell has 41 Form 4 filings on record from December 2015 to July 2026, across 6 companies: Director at Moderna (MRNA), 2026; Director at Merit Medical Systems (MMSI), 2022–2026; Director at Baxter International (BAX), 2026, and 3 more.
The 76 reported transactions were 22 tax withholdings, 17 option or other derivative awards, 16 option exercises and 11 stock awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 3 sales worth about $3.4M.
The largest open-market sale was 12,000 shares of IQV at an average $155.07 on January 2, 2020, about $1.9M.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 2, 2025 | MMSI Merit Medical Systems Inc | Director | Sell10b5-1 | 3,500 | $94.41 | $330,417.50 | -35.4% | -3.2% | -35.2% | |
| Jan 2, 2020 | IQV Iqvia Holdings Inc. | EVP and CFO | Sell | 12,000 | $155.07 | $1,860,840.00 | -45.5% | - | - | |
| Dec 3, 2018 | IQV Iqvia Holdings Inc. | EVP and CFO | Sell | 9,500 | $128.35 | $1,219,325.00 | -24.8% | - | - |