Michael R. Mcdonnell
CIK 1121897 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 18, 2026 · Latest: Feb. 18, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 69 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 8, 2026 | MRNA | A | 5,733 | — | — | 5,733 Direct | — | Acquired | (price as of 2026-08-19) |
| July 8, 2026 | MRNA | A | 1,618 | — | — | 1,618 Direct | — | Acquired | (price as of 2026-08-19) |
| July 8, 2026 | MRNA | A | 7,415 | — | — | 7,415 Direct | — | Acquired | (price as of 2026-08-19) |
| May 18, 2026 | MMSI | A | 3,457 | — | — | 9,852 Direct | +54.06% | Acquired | (price as of 2026-08-19) |
| Feb. 10, 2025 | BIIB | M | 3,257 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Feb. 10, 2025 | BIIB | F | 1,371 | $142.54 | $195,422 | 24,341 Direct | -5.33% | Disposed | 53.4% (price as of 2026-08-19) |
| Feb. 10, 2025 | BIIB | M | 3,257 | — | — | 25,712 Direct | +14.50% | Acquired | (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | M | 2,216 | — | — | 4,434 Direct | -33.32% | Disposed | (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | M | 2,335 | — | — | 2,335 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | F | 716 | $141.35 | $101,207 | 22,455 Direct | -3.09% | Disposed | 54.7% (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | M | 2,216 | — | — | 23,171 Direct | +10.58% | Acquired | (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | F | 786 | $141.35 | $111,101 | 20,955 Direct | -3.62% | Disposed | 54.7% (price as of 2026-08-19) |
| Feb. 7, 2025 | BIIB | M | 2,335 | — | — | 21,741 Direct | +12.03% | Acquired | (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | J | 2,684 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | M | 2,152 | — | — | 2,684 Direct | -44.50% | Disposed | (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | M | 4,568 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | F | 1,101 | $219.08 | $241,207 | 19,406 Direct | -5.37% | Disposed | -0.2% (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | M | 2,152 | — | — | 20,507 Direct | +11.72% | Acquired | (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | F | 2,337 | $219.08 | $511,990 | 18,355 Direct | -11.29% | Disposed | -0.2% (price as of 2026-08-19) |
| Feb. 16, 2024 | BIIB | M | 4,568 | — | — | 20,692 Direct | +28.33% | Acquired | (price as of 2026-08-19) |
| Feb. 9, 2024 | BIIB | M | 3,257 | — | — | 3,257 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Feb. 9, 2024 | BIIB | F | 1,431 | $240.98 | $344,842 | 16,124 Direct | -8.15% | Disposed | -9.2% (price as of 2026-08-19) |
| Feb. 9, 2024 | BIIB | M | 3,257 | — | — | 17,555 Direct | +22.78% | Acquired | (price as of 2026-08-19) |
| Feb. 8, 2024 | BIIB | M | 2,335 | — | — | 4,670 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| Feb. 8, 2024 | BIIB | F | 765 | $240.30 | $183,830 | 14,298 Direct | -5.08% | Disposed | -9.0% (price as of 2026-08-19) |
| Feb. 8, 2024 | BIIB | M | 2,335 | — | — | 15,063 Direct | +18.35% | Acquired | (price as of 2026-08-19) |
| Feb. 7, 2024 | BIIB | A | 6,650 | — | — | 6,650 Direct | — | Acquired | (price as of 2026-08-19) |
| Jan. 29, 2024 | BIIB | A | 4,568 | — | — | 4,568 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | J | 2,763 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | M | 2,603 | — | — | 2,763 Direct | -48.51% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | M | 2,682 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | F | 1,332 | $267.17 | $355,870 | 12,728 Direct | -9.47% | Disposed | -18.1% (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | M | 2,603 | — | — | 14,060 Direct | +22.72% | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | F | 1,372 | $267.17 | $366,557 | 11,457 Direct | -10.69% | Disposed | -18.1% (price as of 2026-08-19) |
| Sept. 1, 2023 | BIIB | M | 2,682 | — | — | 12,829 Direct | +26.43% | Acquired | (price as of 2026-08-19) |
| Feb. 17, 2023 | BIIB | J | 2,271 | — | — | 4,836 Direct | -31.95% | Disposed | (price as of 2026-08-19) |
| Feb. 17, 2023 | BIIB | M | 2,561 | — | — | 7,107 Direct | -26.49% | Disposed | (price as of 2026-08-19) |
| Feb. 17, 2023 | BIIB | F | 1,310 | $278.38 | $364,678 | 7,586 Direct | -14.73% | Disposed | -21.4% (price as of 2026-08-19) |
| Feb. 17, 2023 | BIIB | M | 2,561 | — | — | 10,147 Direct | +33.76% | Acquired | (price as of 2026-08-19) |
| Feb. 10, 2023 | BIIB | M | 3,256 | — | — | 6,514 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| Feb. 10, 2023 | BIIB | F | 1,105 | $286.30 | $316,362 | 8,896 Direct | -11.05% | Disposed | -23.6% (price as of 2026-08-19) |
| Feb. 10, 2023 | BIIB | M | 3,256 | — | — | 10,001 Direct | +48.27% | Acquired | (price as of 2026-08-19) |
| Feb. 8, 2023 | BIIB | A | 7,005 | — | — | 7,005 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | J | 3,298 | — | — | 5,366 Direct | -38.07% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | M | 2,064 | — | — | 8,664 Direct | -19.24% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | M | 2,682 | — | — | 2,682 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | F | 1,056 | $199.79 | $210,978 | 6,745 Direct | -13.54% | Disposed | 9.5% (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | M | 2,064 | — | — | 7,801 Direct | +35.98% | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | F | 1,372 | $199.79 | $274,112 | 5,737 Direct | -19.30% | Disposed | 9.5% (price as of 2026-08-19) |
| Sept. 1, 2022 | BIIB | M | 2,682 | — | — | 7,109 Direct | +60.58% | Acquired | (price as of 2026-08-19) |
| May 24, 2022 | MMSI | A | 3,050 | — | — | 3,050 Direct | — | Acquired | (price as of 2026-08-19) |
| Feb. 18, 2022 | BIIB | J | 2,851 | — | — | 9,668 Direct | -22.77% | Disposed | (price as of 2026-08-19) |
| Feb. 18, 2022 | BIIB | M | 1,981 | — | — | 12,519 Direct | -13.66% | Disposed | (price as of 2026-08-19) |
| Feb. 18, 2022 | BIIB | F | 977 | $209.79 | $204,965 | 4,427 Direct | -18.08% | Disposed | 4.3% (price as of 2026-08-19) |
| Feb. 18, 2022 | BIIB | M | 1,981 | — | — | 5,404 Direct | +57.87% | Acquired | (price as of 2026-08-19) |
| Feb. 10, 2022 | BIIB | A | 9,770 | — | — | 9,770 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | J | 2,038 | — | — | 10,728 Direct | -15.96% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | M | 3,324 | — | — | 12,766 Direct | -20.66% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | M | 2,681 | — | — | 5,364 Direct | -33.33% | Disposed | (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | F | 1,441 | $338.24 | $487,404 | 3,423 Direct | -29.63% | Disposed | -35.3% (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | M | 3,324 | $338.24 | $1,124,310 | 4,864 Direct | +215.84% | Acquired | -35.3% (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | F | 1,141 | $338.24 | $385,932 | 1,540 Direct | -42.56% | Disposed | -35.3% (price as of 2026-08-19) |
| Sept. 1, 2021 | BIIB | M | 2,681 | $338.24 | $906,821 | 2,681 Direct | — | Acquired | -35.3% (price as of 2026-08-19) |
| Feb. 18, 2021 | BIIB | A | 14,500 | — | — | 14,500 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2020 | BIIB | A | 16,090 | — | — | 16,090 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 1, 2020 | BIIB | A | 8,045 | — | — | 8,045 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 3, 2016 | IQV | A | 7,732 | — | — | 44,106 Direct | +21.26% | Acquired | (price as of 2026-08-19) |
| March 3, 2016 | IQV | A | 23,400 | — | — | 23,400 Direct | — | Acquired | (price as of 2026-08-19) |
| Dec. 16, 2015 | IQV | A | 36,374 | — | — | 36,374 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 8, 2026 | MRNA | Restricted Stock Units | Common Stock (5,733) | — | — | 5,733 | Acquired |
| July 8, 2026 | MRNA | Restricted Stock Units | Common Stock (1,618) | — | — | 1,618 | Acquired |
| July 8, 2026 | MRNA | Stock Option (Right to Buy) | Common Stock (7,415) | $73.80 | July 8, 2036 | 7,415 | Acquired |
| Feb. 10, 2025 | BIIB | Restricted Stock Unit | Common Stock (3,257) | $0.00 | Feb. 10, 2025 | 3,257 | Disposed |
| Feb. 7, 2025 | BIIB | Restricted Stock Unit | Common Stock (2,216) | $0.00 | Feb. 7, 2027 | 2,216 | Disposed |
| Feb. 7, 2025 | BIIB | Restricted Stock Unit | Common Stock (2,335) | $0.00 | Feb. 8, 2026 | 2,335 | Disposed |
| Feb. 16, 2024 | BIIB | Restricted Stock Unit | Common Stock (2,684) | $0.00 | Feb. 18, 2024 | 2,684 | Disposed |
| Feb. 16, 2024 | BIIB | Restricted Stock Unit | Common Stock (2,152) | $0.00 | Feb. 18, 2024 | 2,152 | Disposed |
| Feb. 16, 2024 | BIIB | Performance Stock Unit | Common Stock (4,568) | $0.00 | Feb. 18, 2024 | 4,568 | Disposed |
| Feb. 9, 2024 | BIIB | Restricted Stock Unit | Common Stock (3,257) | $0.00 | Feb. 10, 2025 | 3,257 | Disposed |
| Feb. 8, 2024 | BIIB | Restricted Stock Unit | Common Stock (2,335) | $0.00 | Feb. 8, 2026 | 2,335 | Disposed |
| Feb. 7, 2024 | BIIB | Restricted Stock Unit | Common Stock (6,650) | $0.00 | Feb. 7, 2027 | 6,650 | Acquired |
| Jan. 29, 2024 | BIIB | Performance Stock Unit | Common Stock (4,568) | $0.00 | Feb. 18, 2024 | 4,568 | Acquired |
| Sept. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,763) | $0.00 | Sept. 1, 2023 | 2,763 | Disposed |
| Sept. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,603) | $0.00 | Sept. 1, 2023 | 2,603 | Disposed |
| Sept. 1, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,682) | $0.00 | Sept. 1, 2023 | 2,682 | Disposed |
| Feb. 17, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,271) | $0.00 | Feb. 18, 2024 | 2,271 | Disposed |
| Feb. 17, 2023 | BIIB | Restricted Stock Unit | Common Stock (2,561) | $0.00 | Feb. 18, 2024 | 2,561 | Disposed |
| Feb. 10, 2023 | BIIB | Restricted Stock Unit | Common Stock (3,256) | $0.00 | Feb. 10, 2025 | 3,256 | Disposed |
| Feb. 8, 2023 | BIIB | Restricted Stock Unit | Common Stock (7,005) | $0.00 | Feb. 8, 2026 | 7,005 | Acquired |
| Sept. 1, 2022 | BIIB | Restricted Stock Unit | Common Stock (3,298) | $0.00 | Sept. 1, 2023 | 3,298 | Disposed |
| Sept. 1, 2022 | BIIB | Restricted Stock Unit | Common Stock (2,064) | $0.00 | Sept. 1, 2023 | 2,064 | Disposed |
| Sept. 1, 2022 | BIIB | Restricted Stock Unit | Common Stock (2,682) | $0.00 | Sept. 1, 2023 | 2,682 | Disposed |
| Feb. 18, 2022 | BIIB | Restricted Stock Unit | Common Stock (2,851) | $0.00 | Feb. 18, 2024 | 2,851 | Disposed |
| Feb. 18, 2022 | BIIB | Restricted Stock Unit | Common Stock (1,981) | $0.00 | Feb. 18, 2024 | 1,981 | Disposed |
| Feb. 10, 2022 | BIIB | Restricted Stock Unit | Common Stock (9,770) | $0.00 | Feb. 10, 2025 | 9,770 | Acquired |
| Sept. 1, 2021 | BIIB | Restricted Stock Unit | Common Stock (2,038) | $0.00 | Sept. 1, 2023 | 2,038 | Disposed |
| Sept. 1, 2021 | BIIB | Restricted Stock Unit | Common Stock (3,324) | $0.00 | Sept. 1, 2023 | 3,324 | Disposed |
| Sept. 1, 2021 | BIIB | Restricted Stock Unit | Common Stock (2,681) | $0.00 | Sept. 1, 2023 | 2,681 | Disposed |
| Feb. 18, 2021 | BIIB | Restricted Stock Unit | Common Stock (14,500) | $0.00 | Feb. 18, 2024 | 14,500 | Acquired |
| Sept. 1, 2020 | BIIB | Restricted Stock Unit | Common Stock (16,090) | $0.00 | Sept. 1, 2023 | 16,090 | Acquired |
| Sept. 1, 2020 | BIIB | Restricted Stock Unit | Common Stock (8,045) | $0.00 | Sept. 1, 2023 | 8,045 | Acquired |
| March 3, 2016 | IQV | Employee Stock Option (Right to Buy) | Common Stock (23,400) | $64.67 | March 3, 2026 | 23,400 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
BIIB
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $226,895 | — | — | — | — | — | $43,955 | $270,850 |
| 2024 | $992,531 | — | — | — | $1,211,989 | $1,056 | $187,296 | $6,826,734 |
| 2023 | $945,268 | — | $4,960,629 | — | $1,129,183 | $837 | $131,684 | $7,167,601 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $650,000 | — | — | — | $600,000 | — | $58,560 | $2,566,555 |
| 2017 | $650,000 | — | — | — | $600,000 | — | $475,276 | $4,262,690 |
| 2016 | $650,000 | $500,000 | — | — | $600,000 | — | $78,985 | $2,743,386 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.