HASLER HANS PETER
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | GANX | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 3, 2026 | NERV | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 22, 2025 | NERV | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 24, 2025 | GANX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2024 | NERV | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-05) |
| June 24, 2024 | GANX | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 27, 2023 | NERV | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-05) |
| June 23, 2023 | GANX | A | 10,500 | · | · | 10,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 20, 2022 | GANX | A | 10,500 | · | · | 10,500 Direct | · | Acquired | (price as of 2026-10-05) |
| June 10, 2022 | NERV | A | 2,500 | · | · | 2,500 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2021 | NERV | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 11, 2020 | NERV | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 26, 2019 | NERV | P | 10,000 | $5.60 | $56,000 | 10,000 Direct | · | Acquired | -92.6% (price as of 2026-10-05) |
| May 31, 2019 | NERV | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 7, 2018 | NERV | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 10, 2017 | NERV | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2009 | BIIB | A | 53,565 | · | · | 53,565 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2009 | BIIB | A | 20,140 | · | · | 53,261 Direct | +60.81% | Acquired | (price as of 2026-10-05) |
| Feb. 19, 2009 | BIIB | S 10b5-1 | 6,263 | $50.95 | $319,100 | 26,858 Direct | -18.91% | Disposed | 334.6% (price as of 2026-10-05) |
| Feb. 19, 2009 | BIIB | S 10b5-1 | 5,430 | $50.93 | $276,550 | 33,121 Direct | -14.09% | Disposed | 334.8% (price as of 2026-10-05) |
| Feb. 12, 2009 | BIIB | F | 350 | $52.61 | $18,414 | 44,814 Direct | -0.77% | Disposed | 320.9% (price as of 2026-10-05) |
| Feb. 12, 2009 | BIIB | F | 404 | $52.61 | $21,254 | 45,164 Direct | -0.89% | Disposed | 320.9% (price as of 2026-10-05) |
| Feb. 11, 2009 | BIIB | S 10b5-1 | 5,135 | $50.77 | $260,704 | 45,568 Direct | -10.13% | Disposed | 336.2% (price as of 2026-10-05) |
| Feb. 6, 2009 | BIIB | M | 5,466 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2009 | BIIB | F | 331 | $52.48 | $17,371 | 50,703 Direct | -0.65% | Disposed | 322.0% (price as of 2026-10-05) |
| Feb. 6, 2009 | BIIB | M | 5,466 | · | · | 51,034 Direct | +12.00% | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2008 | BIIB | S 10b5-1 | 845 | $44.31 | $37,442 | 45,568 Direct | -1.82% | Disposed | 399.8% (price as of 2026-10-05) |
| Nov. 1, 2008 | BIIB | F | 55 | $42.55 | $2,340 | 46,413 Direct | -0.12% | Disposed | 420.4% (price as of 2026-10-05) |
| July 22, 2008 | BIIB | M 10b5-1 | 12,950 | · | · | 38,850 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| July 22, 2008 | BIIB | S 10b5-1 | 12,950 | $69.31 | $897,564 | 46,468 Direct | -21.79% | Disposed | 219.5% (price as of 2026-10-05) |
| July 22, 2008 | BIIB | M 10b5-1 | 12,950 | $49.31 | $638,564 | 59,418 Direct | +27.87% | Acquired | 349.1% (price as of 2026-10-05) |
| June 2, 2008 | BIIB | A | 12,320 | · | · | 12,320 Direct | · | Acquired | (price as of 2026-10-05) |
| June 2, 2008 | BIIB | A | 4,400 | · | · | 46,468 Direct | +10.46% | Acquired | (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 400 | $64.89 | $25,956 | 42,068 Direct | -0.94% | Disposed | 241.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.88 | $12,976 | 42,468 Direct | -0.47% | Disposed | 241.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 400 | $64.82 | $25,928 | 42,668 Direct | -0.93% | Disposed | 241.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.74 | $19,422 | 43,068 Direct | -0.69% | Disposed | 242.1% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.72 | $12,944 | 43,368 Direct | -0.46% | Disposed | 242.2% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.70 | $19,410 | 43,568 Direct | -0.68% | Disposed | 242.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.55 | $19,365 | 43,868 Direct | -0.68% | Disposed | 243.1% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 600 | $64.53 | $38,718 | 44,168 Direct | -1.34% | Disposed | 243.2% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.51 | $19,353 | 44,768 Direct | -0.67% | Disposed | 243.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 63 | $64.47 | $4,062 | 45,068 Direct | -0.14% | Disposed | 243.5% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.45 | $19,335 | 45,131 Direct | -0.66% | Disposed | 243.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.43 | $12,886 | 45,431 Direct | -0.44% | Disposed | 243.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 900 | $64.42 | $57,978 | 45,631 Direct | -1.93% | Disposed | 243.8% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.41 | $12,882 | 46,531 Direct | -0.43% | Disposed | 243.8% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.32 | $12,864 | 46,731 Direct | -0.43% | Disposed | 244.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.31 | $19,293 | 46,931 Direct | -0.64% | Disposed | 244.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.19 | $12,838 | 47,231 Direct | -0.42% | Disposed | 245.0% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.14 | $6,414 | 47,431 Direct | -0.21% | Disposed | 245.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.13 | $12,826 | 47,531 Direct | -0.42% | Disposed | 245.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $63.93 | $6,393 | 47,731 Direct | -0.21% | Disposed | 246.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $63.89 | $12,778 | 47,831 Direct | -0.42% | Disposed | 246.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $63.83 | $12,766 | 48,031 Direct | -0.41% | Disposed | 246.9% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $63.75 | $6,375 | 48,231 Direct | -0.21% | Disposed | 247.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 400 | $64.86 | $25,944 | 48,331 Direct | -0.82% | Disposed | 241.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.85 | $6,485 | 48,731 Direct | -0.20% | Disposed | 241.5% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.84 | $12,968 | 48,831 Direct | -0.41% | Disposed | 241.5% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.81 | $12,962 | 49,031 Direct | -0.41% | Disposed | 241.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.80 | $12,960 | 49,231 Direct | -0.40% | Disposed | 241.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.79 | $6,479 | 49,431 Direct | -0.20% | Disposed | 241.8% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.63 | $12,926 | 49,531 Direct | -0.40% | Disposed | 242.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | M 10b5-1 | 6,869 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 8, 2008 | BIIB | M 10b5-1 | 10,225 | · | · | 20,450 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.61 | $6,461 | 49,731 Direct | -0.20% | Disposed | 242.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.56 | $12,912 | 49,831 Direct | -0.40% | Disposed | 243.0% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.55 | $6,455 | 50,031 Direct | -0.20% | Disposed | 243.1% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.51 | $12,902 | 50,131 Direct | -0.40% | Disposed | 243.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.50 | $12,900 | 50,331 Direct | -0.40% | Disposed | 243.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.49 | $6,449 | 50,531 Direct | -0.20% | Disposed | 243.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 36 | $64.47 | $2,321 | 50,631 Direct | -0.07% | Disposed | 243.5% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 600 | $64.45 | $38,670 | 50,667 Direct | -1.17% | Disposed | 243.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $64.43 | $19,329 | 51,267 Direct | -0.58% | Disposed | 243.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.41 | $12,882 | 51,567 Direct | -0.39% | Disposed | 243.8% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.39 | $6,439 | 51,767 Direct | -0.19% | Disposed | 243.9% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.38 | $12,876 | 51,867 Direct | -0.38% | Disposed | 244.0% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 400 | $64.32 | $25,728 | 52,067 Direct | -0.76% | Disposed | 244.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.31 | $12,862 | 52,467 Direct | -0.38% | Disposed | 244.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $64.14 | $6,414 | 52,667 Direct | -0.19% | Disposed | 245.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 200 | $64.13 | $12,826 | 52,767 Direct | -0.38% | Disposed | 245.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $63.93 | $6,393 | 52,967 Direct | -0.19% | Disposed | 246.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $63.89 | $19,167 | 53,067 Direct | -0.56% | Disposed | 246.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 77 | $63.80 | $4,913 | 53,367 Direct | -0.14% | Disposed | 247.1% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 23 | $63.76 | $1,466 | 53,444 Direct | -0.04% | Disposed | 247.3% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 2,300 | $63.93 | $147,039 | 53,467 Direct | -4.12% | Disposed | 246.4% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $63.90 | $6,390 | 55,767 Direct | -0.18% | Disposed | 246.5% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 600 | $63.89 | $38,334 | 55,867 Direct | -1.06% | Disposed | 246.6% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 2,084 | $63.88 | $133,126 | 56,467 Direct | -3.56% | Disposed | 246.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 1,385 | $63.87 | $88,460 | 58,551 Direct | -2.31% | Disposed | 246.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 300 | $63.85 | $19,155 | 59,936 Direct | -0.50% | Disposed | 246.8% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 100 | $63.83 | $6,383 | 60,236 Direct | -0.17% | Disposed | 246.9% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | M 10b5-1 | 6,869 | $43.50 | $298,802 | 60,336 Direct | +12.85% | Acquired | 409.1% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | S 10b5-1 | 10,225 | $64.24 | $656,854 | 53,467 Direct | -16.05% | Disposed | 244.7% (price as of 2026-10-05) |
| April 8, 2008 | BIIB | M 10b5-1 | 10,225 | $44.24 | $452,354 | 63,692 Direct | +19.12% | Acquired | 400.6% (price as of 2026-10-05) |
| Feb. 12, 2008 | BIIB | A | 48,570 | · | · | 48,570 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2008 | BIIB | A | 17,340 | · | · | 53,467 Direct | +48.00% | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2008 | BIIB | F | 404 | $60.56 | $24,466 | 36,127 Direct | -1.11% | Disposed | 265.7% (price as of 2026-10-05) |
| Feb. 6, 2008 | BIIB | M | 5,467 | · | · | 5,466 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2008 | BIIB | F | 331 | $60.52 | $20,032 | 36,531 Direct | -0.90% | Disposed | 265.9% (price as of 2026-10-05) |
Showing latest 100 of 126 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 |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | GANX | Stock Option (right to buy) | Common Stock | $1.68 | July 15, 2036 | 25,000 | Acquired |
| June 3, 2026 | NERV | Stock Option (right to buy) | Common Stock | $4.68 | June 2, 2036 | 50,000 | Acquired |
| Dec. 22, 2025 | NERV | Stock Option (right to buy) | Common Stock | $3.98 | Dec. 21, 2035 | 50,000 | Acquired |
| June 24, 2025 | GANX | Stock Option (right to buy) | Common Stock | $1.79 | June 24, 2035 | 15,000 | Acquired |
| Dec. 5, 2024 | NERV | Stock Option (right to buy) [F1] | Common Stock | $2.12 | Dec. 4, 2034 | 12,500 | Acquired |
| June 24, 2024 | GANX | Stock Option (right to buy) | Common Stock | $1.29 | June 24, 2034 | 15,000 | Acquired |
| Sept. 27, 2023 | NERV | Stock Option (right to buy) [F1] | Common Stock | $7.30 | Sept. 26, 2033 | 12,500 | Acquired |
| June 23, 2023 | GANX | Stock Option (right to buy) | Common Stock | $4.50 | June 23, 2033 | 10,500 | Acquired |
| Sept. 20, 2022 | GANX | Stock Option (right to buy) | Common Stock | $3.50 | Sept. 20, 2032 | 10,500 | Acquired |
| June 10, 2022 | NERV | Stock Option (right to buy) [F1] | Common Stock | · | June 9, 2032 | 2,500 | Acquired |
| June 11, 2021 | NERV | Stock Option (right to buy) [F1] | Common Stock | $2.90 | June 10, 2031 | 20,000 | Acquired |
| June 11, 2020 | NERV | Stock Option (right to buy) [F1] | Common Stock | $3.40 | June 10, 2030 | 20,000 | Acquired |
| May 31, 2019 | NERV | Stock Option (right to buy) | Common Stock | $5.21 | May 30, 2029 | 20,000 | Acquired |
| June 7, 2018 | NERV | Stock Option (Right to Buy) | Common Stock | $8.25 | June 6, 2028 | 20,000 | Acquired |
| Dec. 10, 2017 | NERV | Option Grant (Right to Buy) | Common Stock | $5.70 | Dec. 10, 2027 | 40,000 | Acquired |
| Feb. 24, 2009 | BIIB | Stock Option (Right to Buy) | Common Stock | $49.65 | Feb. 24, 2019 | 53,565 | Acquired |
| Feb. 6, 2009 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 6, 2009 | 5,466 | Disposed |
| July 22, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $49.31 | Feb. 12, 2017 | 12,950 | Disposed |
| June 2, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $61.41 | June 1, 2018 | 12,320 | Acquired |
| April 8, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 6,869 | Disposed |
| April 8, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $44.24 | Feb. 6, 2016 | 10,225 | Disposed |
| Feb. 12, 2008 | BIIB | Stock Option (right to buy) | Common Stock | $60.56 | Feb. 11, 2018 | 48,570 | Acquired |
| Feb. 6, 2008 | BIIB | Restricted Stock Unit | Common Stock | $0.00 | Feb. 6, 2008 | 5,467 | Disposed |
| Nov. 1, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $72.87 | Nov. 1, 2017 | 6,900 | Acquired |
| Oct. 15, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $49.49 | Aug. 1, 2011 | 86,250 | Disposed |
| Oct. 15, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $67.57 | Feb. 17, 2015 | 22,500 | Disposed |
| Aug. 30, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $44.24 | Feb. 6, 2016 | 10,225 | Disposed |
| Aug. 27, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $43.50 | Feb. 6, 2014 | 20,606 | Disposed |
| July 25, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $37.45 | Dec. 6, 2012 | 34,500 | Disposed |
| Feb. 12, 2007 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock | $49.31 | Feb. 11, 2017 | 51,800 | Acquired |
| Feb. 6, 2007 | BIIB | Restricted Stock Unit | Common Stock | · | Feb. 6, 2007 | 5,467 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 29, 2021 | GANX | Stock Option | 10,000 | Direct |
| Nov. 22, 2006 | BIIB | Common Stock | · | Direct |
| Nov. 22, 2006 | BIIB | Stock Option (right-to-buy) [F2] | 27,475 | Direct |
| Nov. 22, 2006 | BIIB | Stock Option (right-to-buy) [F2,F3] | 45,000 | Direct |
| Nov. 22, 2006 | BIIB | Stock Option (right-to-buy) [F4] | 40,900 | Direct |
| Nov. 22, 2006 | BIIB | Stock Option (right-to-buy) [F5] | 34,500 | Direct |
| Nov. 22, 2006 | BIIB | Stock Option (right-to-buy) [F6] | 86,250 | Direct |
| Nov. 22, 2006 | BIIB | Restricted Stock Units [F7] | 16,400 | Direct |