John Cox
Insider
First SEC filing: April 4, 2024 · Latest: April 4, 2024
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net: $-443,688
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 8, 2026 | DYN | S 10b5-1 | 5,658 | $18.88 | $106,823 | 357,507 Direct | -1.56% | Disposed | -19.5% (price as of 2026-10-02) |
| Aug. 13, 2026 | DYN | S 10b5-1 | 4,986 | $26.28 | $131,032 | 363,165 Direct | -1.35% | Disposed | -42.2% (price as of 2026-10-02) |
| June 16, 2026 | DYN | S 10b5-1 | 2,683 | $18.33 | $49,179 | 368,151 Direct | -0.72% | Disposed | -17.1% (price as of 2026-10-02) |
| May 13, 2026 | DYN | S 10b5-1 | 3,311 | $18.36 | $60,790 | 370,834 Direct | -0.88% | Disposed | -17.2% (price as of 2026-10-02) |
| March 5, 2026 | DYN | S 10b5-1 | 2,732 | $14.90 | $40,707 | 374,145 Direct | -0.72% | Disposed | 2.0% (price as of 2026-10-02) |
| Feb. 12, 2026 | DYN | A | 285,000 | · | · | 285,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2026 | DYN | A | 180,000 | · | · | 376,877 Direct | +91.43% | Acquired | (price as of 2026-10-02) |
| Dec. 5, 2025 | DYN | S | 2,662 | $20.72 | $55,157 | 196,877 Direct | -1.33% | Disposed | -26.6% (price as of 2026-10-02) |
| Sept. 5, 2025 | DYN | S | 2,640 | $13.41 | $35,402 | 199,539 Direct | -1.31% | Disposed | 13.3% (price as of 2026-10-02) |
| July 16, 2025 | DYN | A | 197,285 | · | · | 197,285 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2025 | DYN | G | 10,000 | · | · | 202,179 Direct | -4.71% | Disposed | (price as of 2026-10-02) |
| July 15, 2025 | DYN | G | 10,000 | · | · | 212,179 Direct | -4.50% | Disposed | (price as of 2026-10-02) |
| July 15, 2025 | DYN | G | 10,000 | · | · | 222,179 Direct | -4.31% | Disposed | (price as of 2026-10-02) |
| July 15, 2025 | DYN | G | 10,000 | · | · | 232,179 Direct | -4.13% | Disposed | (price as of 2026-10-02) |
| July 14, 2025 | DYN | P | 100,000 | $9.11 | $911,000 | 242,179 Direct | +70.33% | Acquired | 66.8% (price as of 2026-10-02) |
| June 5, 2025 | DYN | S 10b5-1 | 4,060 | $13.35 | $54,201 | 142,179 Direct | -2.78% | Disposed | 13.9% (price as of 2026-10-02) |
| March 5, 2025 | DYN | S 10b5-1 | 4,061 | $11.83 | $48,042 | 146,239 Direct | -2.70% | Disposed | 28.5% (price as of 2026-10-02) |
| Dec. 4, 2024 | DYN | A | 232,100 | · | · | 232,100 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 4, 2024 | DYN | A | 145,300 | · | · | 150,300 Direct | +2906.00% | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 7,200 | $33.09 | $238,248 | 8,000 Indirect | +900.00% | Acquired | -54.1% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 800 | $32.57 | $26,056 | 800 Indirect | · | Acquired | -53.3% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 7,200 | $33.09 | $238,248 | 8,000 Indirect | +900.00% | Acquired | -54.1% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 800 | $32.57 | $26,056 | 800 Indirect | · | Acquired | -53.3% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 7,200 | $33.09 | $238,248 | 8,000 Indirect | +900.00% | Acquired | -54.1% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 800 | $32.57 | $26,056 | 800 Indirect | · | Acquired | -53.3% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 7,200 | $33.09 | $238,248 | 8,000 Indirect | +900.00% | Acquired | -54.1% (price as of 2026-10-02) |
| Sept. 4, 2024 | DYN | P | 800 | $32.57 | $26,056 | 800 Indirect | · | Acquired | -53.3% (price as of 2026-10-02) |
| March 25, 2024 | DYN | A | 679,853 | · | · | 679,853 Direct | · | Acquired | (price as of 2026-10-02) |
| March 24, 2020 | RGEN | S | 1,858 | $96.72 | $179,706 | 923 Direct | -66.81% | Disposed | 87.9% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,304 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 2,434 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,366 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,632 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 14,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 18, 2020 | RGEN | S | 1,016 | $97.17 | $98,725 | 2,781 Direct | -26.76% | Disposed | 87.0% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | S | 1,187 | $96.45 | $114,486 | 3,797 Direct | -23.82% | Disposed | 88.4% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | S | 24,533 | $95.13 | $2,333,824 | 4,984 Direct | -83.11% | Disposed | 91.0% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,304 | $42.07 | $138,999 | 29,517 Direct | +12.60% | Acquired | 331.9% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 2,434 | $38.76 | $94,342 | 26,213 Direct | +10.24% | Acquired | 368.8% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,366 | $26.12 | $87,920 | 23,779 Direct | +16.49% | Acquired | 595.6% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 3,632 | $41.19 | $149,602 | 20,413 Direct | +21.64% | Acquired | 341.1% (price as of 2026-10-02) |
| March 18, 2020 | RGEN | M | 14,000 | $12.91 | $180,740 | 16,781 Direct | +503.42% | Acquired | 1307.4% (price as of 2026-10-02) |
| March 4, 2020 | RGEN | M | 10,000 | · | · | 14,000 Direct | -41.67% | Disposed | (price as of 2026-10-02) |
| March 4, 2020 | RGEN | S | 10,000 | $93.39 | $933,900 | 2,781 Direct | -78.24% | Disposed | 94.6% (price as of 2026-10-02) |
| March 4, 2020 | RGEN | M | 10,000 | $12.91 | $129,100 | 12,781 Direct | +359.58% | Acquired | 1307.4% (price as of 2026-10-02) |
| Feb. 24, 2020 | RGEN | S | 4,355 | $92.76 | $403,970 | 2,781 Direct | -61.03% | Disposed | 95.9% (price as of 2026-10-02) |
| Feb. 24, 2020 | RGEN | S | 100 | $94.85 | $9,485 | 7,136 Direct | -1.38% | Disposed | 91.6% (price as of 2026-10-02) |
| May 15, 2019 | RGEN | A | 923 | · | · | 7,236 Direct | +14.62% | Acquired | (price as of 2026-10-02) |
| May 15, 2019 | RGEN | A | 2,109 | · | · | 2,109 Direct | · | Acquired | (price as of 2026-10-02) |
| May 16, 2018 | RGEN | A | 3,304 | · | · | 3,304 Direct | · | Acquired | (price as of 2026-10-02) |
| May 16, 2018 | RGEN | A | 1,486 | · | · | 6,313 Direct | +30.79% | Acquired | (price as of 2026-10-02) |
| May 18, 2017 | RGEN | A | 1,206 | · | · | 4,827 Direct | +33.31% | Acquired | (price as of 2026-10-02) |
| May 18, 2017 | RGEN | A | 2,434 | · | · | 2,434 Direct | · | Acquired | (price as of 2026-10-02) |
| May 11, 2016 | RGEN | A | 3,366 | · | · | 3,366 Direct | · | Acquired | (price as of 2026-10-02) |
| May 11, 2016 | RGEN | A | 1,763 | · | · | 3,621 Direct | +94.89% | Acquired | (price as of 2026-10-02) |
| April 1, 2016 | BIIB | A | 8,444 | · | · | 39,045 Direct | +27.59% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2016 | BIIB | J | 1,608 | · | · | 4,842 Direct | -24.93% | Disposed | (price as of 2026-10-02) |
| Feb. 23, 2016 | BIIB | M | 810 | · | · | 6,450 Direct | -11.16% | Disposed | (price as of 2026-10-02) |
| Feb. 23, 2016 | BIIB | F | 382 | $258.99 | $98,934 | 30,516 Direct | -1.24% | Disposed | -15.1% (price as of 2026-10-02) |
| Feb. 23, 2016 | BIIB | M | 810 | · | · | 30,898 Direct | +2.69% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2016 | BIIB | A | 11,850 | · | · | 11,850 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | J | 1,394 | · | · | 2,448 Direct | -36.28% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | M | 2,246 | · | · | 2,249 Direct | -49.97% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | M | 1,052 | · | · | 3,842 Direct | -21.50% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | F | 1,057 | $247.22 | $261,312 | 30,088 Direct | -3.39% | Disposed | -11.1% (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | M | 2,246 | · | · | 31,145 Direct | +7.77% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | F | 495 | $247.22 | $122,374 | 28,899 Direct | -1.68% | Disposed | -11.1% (price as of 2026-10-02) |
| Feb. 12, 2016 | BIIB | M | 1,052 | · | · | 29,394 Direct | +3.71% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2016 | BIIB | M | 4,026 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2016 | BIIB | F | 1,324 | $250.77 | $332,019 | 28,342 Direct | -4.46% | Disposed | -12.3% (price as of 2026-10-02) |
| Feb. 8, 2016 | BIIB | M | 4,026 | · | · | 29,666 Direct | +15.70% | Acquired | (price as of 2026-10-02) |
| May 21, 2015 | RGEN | A | 3,632 | · | · | 3,632 Direct | · | Acquired | (price as of 2026-10-02) |
| May 21, 2015 | RGEN | A | 1,858 | · | · | 1,858 Direct | · | Acquired | (price as of 2026-10-02) |
| March 25, 2015 | BIIB | M 10b5-1 | 2,891 | · | · | 2,892 Direct | -49.99% | Disposed | (price as of 2026-10-02) |
| March 25, 2015 | BIIB | M 10b5-1 | 2,175 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 25, 2015 | BIIB | S 10b5-1 | 12,010 | $449.06 | $5,393,211 | 25,567 Direct | -31.96% | Disposed | -51.0% (price as of 2026-10-02) |
| March 25, 2015 | BIIB | M 10b5-1 | 2,891 | $60.56 | $175,079 | 37,577 Direct | +8.33% | Acquired | 263.1% (price as of 2026-10-02) |
| March 25, 2015 | BIIB | M 10b5-1 | 2,175 | $72.87 | $158,492 | 34,686 Direct | +6.69% | Acquired | 201.7% (price as of 2026-10-02) |
| Feb. 23, 2015 | BIIB | A | 7,260 | · | · | 7,260 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | J | 954 | · | · | 4,894 Direct | -16.31% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | M | 1,492 | · | · | 5,848 Direct | -20.33% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | M | 2,246 | · | · | 4,495 Direct | -33.32% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | F | 703 | $392.11 | $275,653 | 32,511 Direct | -2.12% | Disposed | -43.9% (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | M | 1,492 | · | · | 33,214 Direct | +4.70% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | F | 1,058 | $392.11 | $414,852 | 31,722 Direct | -3.23% | Disposed | -43.9% (price as of 2026-10-02) |
| Feb. 12, 2015 | BIIB | M | 2,246 | · | · | 32,780 Direct | +7.36% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2015 | BIIB | M | 4,691 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 9, 2015 | BIIB | F | 2,210 | $396.88 | $877,105 | 30,534 Direct | -6.75% | Disposed | -44.6% (price as of 2026-10-02) |
| Feb. 9, 2015 | BIIB | M | 4,691 | · | · | 32,744 Direct | +16.72% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2015 | BIIB | M | 4,023 | · | · | 4,026 Direct | -49.98% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2015 | BIIB | F | 1,537 | $402.00 | $617,874 | 28,053 Direct | -5.19% | Disposed | -45.3% (price as of 2026-10-02) |
| Feb. 8, 2015 | BIIB | M | 4,023 | · | · | 29,590 Direct | +15.74% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2014 | BIIB | M | 2,598 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 23, 2014 | BIIB | F | 1,228 | $347.11 | $426,251 | 25,478 Direct | -4.60% | Disposed | -36.7% (price as of 2026-10-02) |
| Feb. 23, 2014 | BIIB | M | 2,598 | · | · | 26,706 Direct | +10.78% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2014 | BIIB | A | 7,340 | · | · | 7,340 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2014 | BIIB | M | 2,246 | · | · | 6,741 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| Feb. 12, 2014 | BIIB | F | 1,059 | $323.04 | $342,099 | 24,108 Direct | -4.21% | Disposed | -31.9% (price as of 2026-10-02) |
| Feb. 12, 2014 | BIIB | M | 2,246 | · | · | 25,167 Direct | +9.80% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2014 | BIIB | M | 4,691 | · | · | 4,691 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
Showing latest 100 of 172 transactions
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 |
|---|---|---|---|---|---|---|---|
| Feb. 12, 2026 | DYN | Stock option (right to buy) | Common Stock | $16.00 | Feb. 11, 2036 | 285,000 | Acquired |
| July 16, 2025 | DYN | Stock option (right to buy) | Common Stock | $9.33 | July 15, 2035 | 197,285 | Acquired |
| Dec. 4, 2024 | DYN | Stock option (right to buy) | Common Stock | $29.44 | Dec. 3, 2034 | 232,100 | Acquired |
| March 25, 2024 | DYN | Stock Option (Right to Buy) | Common Stock | $26.06 | March 24, 2034 | 679,853 | Acquired |
| March 18, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $42.07 | May 16, 2028 | 3,304 | Disposed |
| March 18, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $38.76 | May 18, 2027 | 2,434 | Disposed |
| March 18, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $26.12 | May 11, 2026 | 3,366 | Disposed |
| March 18, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $41.19 | May 21, 2025 | 3,632 | Disposed |
| March 18, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $12.91 | Nov. 15, 2023 | 14,000 | Disposed |
| March 4, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock | $12.91 | Nov. 15, 2023 | 10,000 | Disposed |
| May 15, 2019 | RGEN | Stock Option (Right to Buy) | Common Stock | $67.71 | May 15, 2029 | 2,109 | Acquired |
| May 16, 2018 | RGEN | Stock Option (Right to Buy) | Common Stock | $42.07 | May 16, 2028 | 3,304 | Acquired |
| May 18, 2017 | RGEN | Stock Option (Right to Buy) | Common Stock | $38.76 | May 18, 2027 | 2,434 | Acquired |
| May 11, 2016 | RGEN | Stock Option (Right to Buy) | Common Stock | $26.12 | May 11, 2026 | 3,366 | Acquired |
| Feb. 23, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 23, 2018 | 1,608 | Disposed |
| Feb. 23, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 23, 2018 | 810 | Disposed |
| Feb. 22, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 22, 2019 | 11,850 | Acquired |
| Feb. 12, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 1,394 | Disposed |
| Feb. 12, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 2,246 | Disposed |
| Feb. 12, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 1,052 | Disposed |
| Feb. 8, 2016 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 4,026 | Disposed |
| May 21, 2015 | RGEN | Stock Option (Right to Buy) | Common Stock | $41.19 | May 21, 2025 | 3,632 | Acquired |
| March 25, 2015 | BIIB | Stock Option (Right to Buy) | Common Stock | $60.56 | Feb. 12, 2018 | 2,891 | Disposed |
| March 25, 2015 | BIIB | Stock Option (Right to Buy) | Common Stock | $72.87 | Nov. 1, 2017 | 2,175 | Disposed |
| Feb. 23, 2015 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 23, 2018 | 7,260 | Acquired |
| Feb. 12, 2015 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 954 | Disposed |
| Feb. 12, 2015 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 1,492 | Disposed |
| Feb. 12, 2015 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 2,246 | Disposed |
| Feb. 9, 2015 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 9, 2015 | 4,691 | Disposed |
| Feb. 8, 2015 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 4,023 | Disposed |
| Feb. 23, 2014 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 23, 2014 | 2,598 | Disposed |
| Feb. 12, 2014 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 7,340 | Acquired |
| Feb. 12, 2014 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 2,246 | Disposed |
| Feb. 9, 2014 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 9, 2015 | 4,691 | Disposed |
| Feb. 8, 2014 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 4,023 | Disposed |
| Nov. 15, 2013 | RGEN | Stock Option (Right to Buy) | Common Stock | $12.91 | Nov. 15, 2023 | 24,000 | Acquired |
| Feb. 23, 2013 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 23, 2014 | 2,598 | Disposed |
| Feb. 12, 2013 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 12, 2017 | 8,987 | Acquired |
| Feb. 9, 2013 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 9, 2015 | 4,692 | Disposed |
| Feb. 8, 2013 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 536 | Disposed |
| Feb. 8, 2013 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 3,487 | Disposed |
| Feb. 23, 2012 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 23, 2014 | 2,600 | Disposed |
| Feb. 9, 2012 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 9, 2015 | 4,692 | Disposed |
| Feb. 8, 2012 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 8, 2016 | 16,095 | Acquired |
| Nov. 1, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $72.87 | Nov. 1, 2017 | 2,175 | Disposed |
| April 21, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $72.87 | Nov. 1, 2017 | 4,350 | Disposed |
| April 13, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $49.65 | Feb. 24, 2019 | 7,587 | Disposed |
| April 13, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $60.56 | Feb. 12, 2018 | 17,347 | Disposed |
| April 13, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $49.31 | Feb. 12, 2017 | 7,400 | Disposed |
| April 13, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $67.57 | Feb. 17, 2015 | 3,900 | Disposed |
| April 11, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $47.92 | March 13, 2016 | 6,900 | Disposed |
| March 31, 2011 | BIIB | Stock Option (Right to Buy) | Common Stock | $43.50 | Feb. 6, 2014 | 2,840 | Disposed |
| Feb. 23, 2011 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 23, 2014 | 462 | Disposed |
| Feb. 23, 2011 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 23, 2014 | 405 | Disposed |
| Feb. 23, 2011 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 23, 2014 | 1,733 | Disposed |
| Feb. 9, 2011 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 9, 2015 | 18,766 | Acquired |
| Oct. 28, 2010 | BIIB | Stock Option (Right to Buy) | Common Stock | $33.97 | July 28, 2013 | 6,900 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 4, 2024 | DYN | Common Stock | 5,000 | Direct |
| March 27, 2024 | DYN | Common Stock | 10,000 | Direct |
| Aug. 10, 2010 | BIIB | Common Stock | 18,254 | Direct |
| Aug. 10, 2010 | BIIB | Restricted Stock Unit | 10,396 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 6,900 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 2,840 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 3,900 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 6,900 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 7,400 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 8,700 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 23,130 | Direct |
| Aug. 10, 2010 | BIIB | Stock Option (Right to Buy) | 15,175 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2016 | $696,750 | · | · | · | $594,636 | $247,644 | $181,167 | $7,730,964 |
| 2012 | $552,023 | · | · | · | $489,456 | $4,781 | $131,814 | $4,062,454 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $721,000 | · | · | $937,893 | $410,970 | · | $7,005 | $2,076,868 |
| 2024 | $536,986 | · | $4,277,632 | $15,533,800 | $339,510 | · | $796 | $20,688,724 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.