Thomas F Keller
Insider
First SEC filing: Nov. 14, 2003 · Latest: Nov. 14, 2003
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 15, 2007 | BIIB | S 10b5-1 | 10,350 | $82.00 | $848,700 | 1,250 Indirect | -89.22% | Disposed | 172.7% (price as of 2026-10-05) |
| Oct. 15, 2007 | BIIB | M 10b5-1 | 10,350 | · | · | 13,800 Indirect | -42.86% | Disposed | (price as of 2026-10-05) |
| Oct. 15, 2007 | BIIB | S 10b5-1 | 10,350 | $82.00 | $848,700 | 2,170 Indirect | -82.67% | Disposed | 172.7% (price as of 2026-10-05) |
| Oct. 15, 2007 | BIIB | M 10b5-1 | 10,350 | $26.80 | $277,380 | 12,520 Indirect | +476.96% | Acquired | 734.3% (price as of 2026-10-05) |
| Aug. 24, 2007 | BIIB | M 10b5-1 | 6,900 | · | · | 24,150 Indirect | -22.22% | Disposed | (price as of 2026-10-05) |
| Aug. 24, 2007 | BIIB | S 10b5-1 | 6,900 | $62.00 | $427,800 | 2,170 Indirect | -76.07% | Disposed | 260.6% (price as of 2026-10-05) |
| Aug. 24, 2007 | BIIB | M 10b5-1 | 6,900 | $26.80 | $184,920 | 9,070 Indirect | +317.97% | Acquired | 734.3% (price as of 2026-10-05) |
| May 31, 2007 | BIIB | A | 5,950 | · | · | 5,950 Direct | · | Acquired | (price as of 2026-10-05) |
| May 31, 2007 | BIIB | A | 2,300 | · | · | 3,550 Direct | +184.00% | Acquired | (price as of 2026-10-05) |
| May 25, 2007 | BIIB | M | 1,250 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 25, 2007 | BIIB | M | 1,250 | · | · | 1,250 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 1, 2006 | BIIB | M | 3,450 | · | · | 31,050 Direct | -10.00% | Disposed | (price as of 2026-10-05) |
| Nov. 1, 2006 | BIIB | S 10b5-1 | 3,450 | $48.00 | $165,600 | 0 Direct | -100.00% | Disposed | 365.8% (price as of 2026-10-05) |
| Nov. 1, 2006 | BIIB | M 10b5-1 | 3,450 | $26.80 | $92,460 | 3,450 Direct | · | Acquired | 734.3% (price as of 2026-10-05) |
| Sept. 1, 2006 | BIIB | M | 6,900 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 1, 2006 | BIIB | S 10b5-1 | 6,900 | $44.60 | $307,740 | 0 Indirect | -100.00% | Disposed | 401.3% (price as of 2026-10-05) |
| Sept. 1, 2006 | BIIB | M 10b5-1 | 6,900 | $15.16 | $104,604 | 6,900 Indirect | · | Acquired | 1374.9% (price as of 2026-10-05) |
| May 25, 2006 | BIIB | A | 3,125 | · | · | 3,125 Direct | · | Acquired | (price as of 2026-10-05) |
| May 25, 2006 | BIIB | A | 1,250 | · | · | 1,250 Direct | · | Acquired | (price as of 2026-10-05) |
| March 31, 2006 | BIIB | M | 10,350 | · | · | 6,900 Indirect | -60.00% | Disposed | (price as of 2026-10-05) |
| March 31, 2006 | BIIB | S 10b5-1 | 10,350 | $46.95 | $485,932 | 6,900 Indirect | -60.00% | Disposed | 376.2% (price as of 2026-10-05) |
| March 31, 2006 | BIIB | M 10b5-1 | 10,350 | $15.16 | $156,906 | 17,250 Indirect | +150.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| Jan. 9, 2006 | BIIB | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | M | 10,350 | · | · | 17,250 Indirect | -37.50% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.03 | $3,903 | 20,550 Indirect | -0.48% | Disposed | 472.9% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $39.04 | $11,712 | 20,650 Indirect | -1.43% | Disposed | 472.7% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 500 | $39.05 | $19,525 | 20,950 Indirect | -2.33% | Disposed | 472.6% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.07 | $7,814 | 21,450 Indirect | -0.92% | Disposed | 472.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.09 | $3,909 | 21,650 Indirect | -0.46% | Disposed | 472.0% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.10 | $3,910 | 21,750 Indirect | -0.46% | Disposed | 471.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.13 | $3,913 | 21,850 Indirect | -0.46% | Disposed | 471.4% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.15 | $7,830 | 21,950 Indirect | -0.90% | Disposed | 471.1% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.21 | $3,921 | 22,150 Indirect | -0.45% | Disposed | 470.2% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.24 | $7,848 | 22,250 Indirect | -0.89% | Disposed | 469.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.27 | $3,927 | 22,450 Indirect | -0.44% | Disposed | 469.4% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 400 | $39.28 | $15,712 | 22,550 Indirect | -1.74% | Disposed | 469.2% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $39.29 | $11,787 | 22,950 Indirect | -1.29% | Disposed | 469.1% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $39.30 | $11,790 | 23,250 Indirect | -1.27% | Disposed | 468.9% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 500 | $39.31 | $19,655 | 23,550 Indirect | -2.08% | Disposed | 468.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 900 | $39.32 | $35,388 | 24,050 Indirect | -3.61% | Disposed | 468.6% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 150 | $39.33 | $5,900 | 24,950 Indirect | -0.60% | Disposed | 468.5% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $39.33 | $11,799 | 25,100 Indirect | -1.18% | Disposed | 468.5% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $39.38 | $11,814 | 25,400 Indirect | -1.17% | Disposed | 467.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 500 | $39.39 | $19,695 | 25,700 Indirect | -1.91% | Disposed | 467.6% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.40 | $7,880 | 26,200 Indirect | -0.76% | Disposed | 467.5% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 500 | $39.43 | $19,715 | 26,400 Indirect | -1.86% | Disposed | 467.1% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.45 | $7,890 | 26,900 Indirect | -0.74% | Disposed | 466.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.47 | $3,947 | 27,100 Indirect | -0.37% | Disposed | 466.5% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.48 | $3,948 | 27,200 Indirect | -0.37% | Disposed | 466.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.50 | $3,950 | 27,300 Indirect | -0.36% | Disposed | 466.1% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.55 | $3,955 | 27,400 Indirect | -0.36% | Disposed | 465.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.56 | $3,956 | 27,500 Indirect | -0.36% | Disposed | 465.2% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | M | 10,350 | $15.16 | $156,906 | 27,600 Indirect | +60.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | M | 10,350 | · | · | 17,250 Indirect | -37.50% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $38.65 | $11,595 | 17,250 Indirect | -1.71% | Disposed | 478.5% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $38.66 | $3,866 | 17,550 Indirect | -0.57% | Disposed | 478.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.69 | $7,738 | 17,650 Indirect | -1.12% | Disposed | 477.9% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 300 | $38.70 | $11,610 | 17,850 Indirect | -1.65% | Disposed | 477.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.73 | $7,746 | 18,150 Indirect | -1.09% | Disposed | 477.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 600 | $38.75 | $23,250 | 18,350 Indirect | -3.17% | Disposed | 477.0% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.79 | $7,758 | 18,950 Indirect | -1.04% | Disposed | 476.4% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.81 | $7,762 | 19,150 Indirect | -1.03% | Disposed | 476.1% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.82 | $7,764 | 19,350 Indirect | -1.02% | Disposed | 476.0% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $38.83 | $3,883 | 19,550 Indirect | -0.51% | Disposed | 475.8% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.84 | $7,768 | 19,650 Indirect | -1.01% | Disposed | 475.7% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $38.86 | $7,772 | 19,850 Indirect | -1.00% | Disposed | 475.4% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $38.87 | $3,887 | 20,050 Indirect | -0.50% | Disposed | 475.2% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $38.94 | $3,894 | 20,150 Indirect | -0.49% | Disposed | 474.2% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 200 | $39.00 | $7,800 | 20,250 Indirect | -0.98% | Disposed | 473.3% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | S 10b5-1 | 100 | $39.02 | $3,902 | 20,450 Indirect | -0.49% | Disposed | 473.0% (price as of 2026-10-05) |
| Oct. 1, 2005 | BIIB | M | 10,350 | $15.16 | $156,906 | 27,600 Indirect | +60.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| Jan. 3, 2005 | BIIB | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2004 | BIIB | S 10b5-1 | 10,350 | $61.00 | $631,350 | 920 Indirect | -91.84% | Disposed | 266.5% (price as of 2026-10-05) |
| Oct. 1, 2004 | BIIB | M | 10,350 | $15.16 | $156,906 | 11,270 Indirect | +1125.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| Oct. 1, 2004 | BIIB | M | 10,350 | · | · | 27,600 Indirect | -27.27% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2004 | BIIB | S 10b5-1 | 10,350 | $61.00 | $631,350 | 27,600 Indirect | -27.27% | Disposed | 266.5% (price as of 2026-10-05) |
| Oct. 1, 2004 | BIIB | M | 10,350 | $15.16 | $156,906 | 37,950 Indirect | +37.50% | Acquired | 1374.9% (price as of 2026-10-05) |
| April 1, 2004 | BIIB | M | 10,350 | $15.16 | $156,906 | 11,270 Indirect | +1125.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| April 1, 2004 | BIIB | S 10b5-1 | 10,350 | $55.53 | $574,736 | 920 Indirect | -91.84% | Disposed | 302.6% (price as of 2026-10-05) |
| April 1, 2004 | BIIB | M | 10,350 | · | · | 37,950 Indirect | -21.43% | Disposed | (price as of 2026-10-05) |
| Feb. 18, 2004 | BIIB | M | 10,350 | · | · | 48,300 Indirect | -17.65% | Disposed | (price as of 2026-10-05) |
| Feb. 18, 2004 | BIIB | S | 10,350 | $51.80 | $536,130 | 920 Indirect | -91.84% | Disposed | 331.6% (price as of 2026-10-05) |
| Feb. 18, 2004 | BIIB | M | 10,350 | $15.16 | $156,906 | 11,270 Indirect | +1125.00% | Acquired | 1374.9% (price as of 2026-10-05) |
| Jan. 2, 2004 | BIIB | A | 12,500 | · | · | · Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 12, 2003 | BIIB | A | 58,650 | · | · | 58,650 Indirect | · | · | (price as of 2026-10-05) |
| Nov. 12, 2003 | BIIB | A | 11,500 | · | · | 11,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 12, 2003 | BIIB | A | 34,500 | · | · | 34,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 12, 2003 | BIIB | A | 34,500 | · | · | 34,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 12, 2003 | BIIB | A | 920 | · | · | 920 Indirect | · | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 15, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $26.80 | Sept. 20, 2012 | 10,350 | Disposed |
| Aug. 24, 2007 | BIIB | Stock option (right to buy) | Common Stock | $26.80 | Sept. 20, 2012 | 6,900 | Disposed |
| May 31, 2007 | BIIB | Stock Option (right to buy) | Common Stock | $52.22 | May 30, 2017 | 5,950 | Acquired |
| May 25, 2007 | BIIB | Restricted Stock Unit | Common Stock | · | May 25, 2007 | 1,250 | Disposed |
| Nov. 1, 2006 | BIIB | Stock Option (right to buy) | Common Stock | $26.80 | Sept. 20, 2012 | 3,450 | Disposed |
| Sept. 1, 2006 | BIIB | Stock Option (right-to-buy) | Common Stock | $15.16 | Sept. 20, 2006 | 6,900 | Disposed |
| May 25, 2006 | BIIB | Employee Stock Option (right-to-buy) [F1] | Common Stock | $46.99 | May 24, 2016 | 3,125 | Acquired |
| May 25, 2006 | BIIB | Restricted Stock Units | Common Stock | · | · | 1,250 | Acquired |
| March 31, 2006 | BIIB | Stock Option (right-to-buy) [F4] | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| Jan. 9, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $47.55 | Jan. 9, 2016 | 12,500 | Acquired |
| Oct. 1, 2005 | BIIB | Stock Option (right-to-buy) [F4] | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| Oct. 1, 2005 | BIIB | Stock Option (right-to-buy) [F4] | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| Jan. 3, 2005 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock | $66.29 | Jan. 3, 2015 | 12,500 | Acquired |
| Oct. 1, 2004 | BIIB | Stock Option (right-to-buy) [F4] | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| April 1, 2004 | BIIB | Non-Qualified Stock Option (right to buy) [F4] | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| Feb. 18, 2004 | BIIB | Non-Qualified Stock Options (right to buy) | Common Stock | $15.16 | Sept. 20, 2006 | 10,350 | Disposed |
| Jan. 2, 2004 | BIIB | [F1] | Common Stock | $36.94 | Jan. 1, 2014 | 12,500 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $15.16 | Sept. 20, 2006 | 58,650 | · |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $37.08 | Sept. 20, 2013 | 11,500 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $26.80 | Sept. 20, 2012 | 34,500 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $76.39 | Sept. 20, 2009 | 34,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 14, 2003 | BIIB | No Securities Beneficially owned. | 0 | Direct |