ADELMAN BURT A
CIK 1226283 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 14, 2008 · Latest: Feb. 14, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 47 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
47 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 15, 2007 | BIIB | S 10b5-1 | 60,500 | $82.00 | $4,961,000 | 12,769 Direct | -82.57% | Disposed | 168.3% (price as of 2026-08-20) |
| Aug. 30, 2007 | BIIB | S 10b5-1 | 46,000 | $64.03 | $2,945,380 | 12,769 Direct | -78.27% | Disposed | 243.6% (price as of 2026-08-20) |
| Aug. 27, 2007 | BIIB | S 10b5-1 | 8,750 | $63.50 | $555,625 | 12,769 Direct | -40.66% | Disposed | 246.4% (price as of 2026-08-20) |
| Aug. 17, 2007 | BIIB | S 10b5-1 | 5,750 | $60.46 | $347,645 | 12,769 Direct | -31.05% | Disposed | 263.9% (price as of 2026-08-20) |
| Aug. 17, 2007 | BIIB | S 10b5-1 | 23,000 | $60.46 | $1,390,580 | 18,519 Direct | -55.40% | Disposed | 263.9% (price as of 2026-08-20) |
| July 26, 2007 | BIIB | S 10b5-1 | 115,000 | $59.61 | $6,855,150 | 12,769 Direct | -90.01% | Disposed | 269.0% (price as of 2026-08-20) |
| July 25, 2007 | BIIB | S 10b5-1 | 17,500 | $58.50 | $1,023,750 | 12,769 Direct | -57.81% | Disposed | 276.1% (price as of 2026-08-20) |
| July 25, 2007 | BIIB | S 10b5-1 | 11,500 | $57.45 | $660,675 | 30,269 Direct | -27.53% | Disposed | 282.9% (price as of 2026-08-20) |
| July 3, 2007 | BIIB | S 10b5-1 | 10,225 | $54.24 | $554,604 | 12,769 Direct | -44.47% | Disposed | 305.6% (price as of 2026-08-20) |
| March 20, 2007 | BIIB | S 10b5-1 | 6,634 | $44.48 | $295,080 | 12,769 Direct | -34.19% | Disposed | 394.6% (price as of 2026-08-20) |
| Feb. 13, 2007 | BIIB | S 10b5-1 | 11,871 | $49.22 | $584,291 | 12,769 Direct | -48.18% | Disposed | 347.0% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 1,183 | $42.70 | $50,514 | 0 Direct | -100.00% | Disposed | 415.2% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 1,716 | $42.72 | $73,308 | 1,183 Direct | -59.19% | Disposed | 415.0% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 3,862 | $42.75 | $165,100 | 2,900 Direct | -57.11% | Disposed | 414.6% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 3,862 | $42.77 | $165,178 | 6,762 Direct | -36.35% | Disposed | 414.4% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 3,862 | $42.80 | $165,294 | 10,624 Direct | -26.66% | Disposed | 414.0% (price as of 2026-08-20) |
| Sept. 19, 2006 | BIIB | S 10b5-1 | 3,862 | $42.84 | $165,448 | 14,486 Direct | -21.05% | Disposed | 413.5% (price as of 2026-08-20) |
| Jan. 3, 2006 | BIIB | S 10b5-1 | 34,500 | $45.64 | $1,574,580 | 0 Direct | -100.00% | Disposed | 382.0% (price as of 2026-08-20) |
| Jan. 3, 2006 | BIIB | S 10b5-1 | 34,500 | $45.64 | $1,574,580 | 11,500 Direct | -75.00% | Disposed | 382.0% (price as of 2026-08-20) |
| Jan. 3, 2006 | BIIB | S 10b5-1 | 46,000 | $45.64 | $2,099,440 | 0 Direct | -100.00% | Disposed | 382.0% (price as of 2026-08-20) |
| Jan. 3, 2006 | BIIB | S 10b5-1 | 23,000 | $45.10 | $1,037,300 | 0 Direct | -100.00% | Disposed | 387.8% (price as of 2026-08-20) |
| Dec. 28, 2005 | BIIB | S 10b5-1 | 20,500 | $44.63 | $914,915 | 0 Direct | -100.00% | Disposed | 392.9% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 200 | $38.50 | $7,700 | 7,600 Direct | -2.56% | Disposed | 471.4% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 800 | $38.48 | $30,784 | 6,800 Direct | -10.53% | Disposed | 471.7% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.47 | $23,082 | 6,200 Direct | -8.82% | Disposed | 471.8% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.45 | $23,070 | 5,600 Direct | -9.68% | Disposed | 472.1% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.43 | $23,058 | 5,000 Direct | -10.71% | Disposed | 472.4% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 100 | $38.42 | $3,842 | 4,900 Direct | -2.00% | Disposed | 472.6% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 900 | $38.41 | $34,569 | 4,000 Direct | -18.37% | Disposed | 472.7% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 400 | $38.40 | $15,360 | 3,600 Direct | -10.00% | Disposed | 472.9% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 900 | $38.38 | $34,542 | 2,700 Direct | -25.00% | Disposed | 473.2% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 500 | $38.37 | $19,185 | 2,200 Direct | -18.52% | Disposed | 473.3% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 300 | $38.36 | $11,508 | 1,900 Direct | -13.64% | Disposed | 473.5% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 400 | $38.35 | $15,340 | 1,500 Direct | -21.05% | Disposed | 473.6% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.34 | $23,004 | 900 Direct | -40.00% | Disposed | 473.8% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 400 | $38.33 | $15,332 | 500 Direct | -44.44% | Disposed | 473.9% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 400 | $38.28 | $15,312 | 100 Direct | -80.00% | Disposed | 474.7% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 100 | $38.23 | $3,823 | 0 Direct | -100.00% | Disposed | 475.4% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 1,200 | $38.23 | $45,876 | 21,800 Direct | -5.22% | Disposed | 475.4% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.22 | $22,932 | 21,200 Direct | -2.75% | Disposed | 475.6% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 400 | $38.04 | $15,216 | 20,800 Direct | -1.89% | Disposed | 478.3% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 300 | $37.82 | $11,346 | 20,500 Direct | -1.44% | Disposed | 481.7% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 200 | $38.51 | $7,702 | 7,800 Direct | -2.50% | Disposed | 471.3% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 600 | $38.52 | $23,112 | 8,000 Direct | -6.98% | Disposed | 471.1% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 300 | $38.53 | $11,559 | 8,600 Direct | -3.37% | Disposed | 471.0% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 900 | $38.54 | $34,686 | 8,900 Direct | -9.18% | Disposed | 470.8% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 200 | $38.55 | $7,710 | 9,800 Direct | -2.00% | Disposed | 470.7% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 100 | $38.56 | $3,856 | 10,000 Direct | -0.99% | Disposed | 470.5% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 200 | $38.57 | $7,714 | 10,100 Direct | -1.94% | Disposed | 470.4% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 300 | $38.59 | $11,577 | 10,300 Direct | -2.83% | Disposed | 470.1% (price as of 2026-08-20) |
| Sept. 28, 2005 | BIIB | S 10b5-1 | 1,100 | $38.60 | $42,460 | 10,600 Direct | -9.40% | Disposed | 469.9% (price as of 2026-08-20) |
| June 28, 2004 | BIIB | S 10b5-1 | 12,953 | $63.00 | $816,039 | 12,269 Direct | -51.36% | Disposed | 249.2% (price as of 2026-08-20) |
| June 28, 2004 | BIIB | S 10b5-1 | 12,953 | $63.00 | $816,039 | 12,269 Direct | -51.36% | Disposed | 249.2% (price as of 2026-08-20) |
Showing latest 100 of 203 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 |
|---|---|---|---|---|---|---|---|
| Oct. 15, 2007 | BIIB | Stock Option (right to buy) | Common Stock (37,500) | $67.57 | Feb. 17, 2015 | 37,500 | Disposed |
| Oct. 15, 2007 | BIIB | Stock Option (right to buy) | Common Stock (23,000) | $62.28 | Dec. 9, 2009 | 23,000 | Disposed |
| Aug. 30, 2007 | BIIB | Stock Option (right to buy) | Common Stock (46,000) | $49.03 | Dec. 14, 2011 | 46,000 | Disposed |
| Aug. 27, 2007 | BIIB | Stock Option (right to buy) | Common Stock (8,750) | $43.50 | Feb. 6, 2014 | 8,750 | Disposed |
| Aug. 17, 2007 | BIIB | Stock Option (right to buy) | Common Stock (28,750) | $45.46 | Dec. 15, 2010 | 28,750 | Disposed |
| July 26, 2007 | BIIB | Stock Option (right to buy) | Common Stock (115,000) | $49.61 | Aug. 8, 2011 | 115,000 | Disposed |
| July 25, 2007 | BIIB | Stock Option (right to buy) | Common Stock (17,500) | $43.50 | Feb. 6, 2014 | 17,500 | Disposed |
| July 25, 2007 | BIIB | Stock Option (right to buy) | Common Stock (11,500) | $37.45 | Dec. 6, 2012 | 11,500 | Disposed |
| July 3, 2007 | BIIB | Stock Option (right to buy) | Common Stock (10,225) | $44.24 | Feb. 6, 2016 | 10,225 | Disposed |
| Feb. 12, 2007 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (32,400) | $49.31 | Feb. 11, 2017 | 32,400 | Acquired |
| Feb. 6, 2007 | BIIB | Restricted Stock Units | Common Stock (5,467) | — | Feb. 6, 2007 | 5,467 | Disposed |
| Feb. 6, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (40,900) | $44.24 | Feb. 5, 2016 | 40,900 | Acquired |
| Feb. 6, 2006 | BIIB | Restricted Stock Units | Common Stock (16,400) | — | — | 16,400 | Acquired |
| Jan. 3, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (34,500) | $37.45 | Dec. 6, 2012 | 34,500 | Disposed |
| Jan. 3, 2006 | BIIB | Stock Option (right-to-buy) [F3] | Common Stock (34,500) | $37.45 | Dec. 6, 2012 | 34,500 | Disposed |
| Jan. 3, 2006 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (34,500) | $37.45 | Dec. 6, 2012 | 34,500 | Disposed |
| Jan. 3, 2006 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (46,000) | $35.42 | Dec. 11, 2008 | 46,000 | Disposed |
| Jan. 3, 2006 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (23,000) | $15.54 | Dec. 12, 2007 | 23,000 | Disposed |
| Dec. 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (20,500) | $16.90 | April 18, 2006 | 20,500 | Disposed |
| Sept. 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (18,000) | $12.91 | April 18, 2006 | 18,000 | Disposed |
| Sept. 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (2,500) | $16.90 | Dec. 6, 2006 | 2,500 | Disposed |
| Sept. 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (18,000) | $12.91 | April 18, 2006 | 18,000 | Disposed |
| June 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (20,500) | $12.91 | April 18, 2006 | 20,500 | Disposed |
| June 28, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (20,500) | $12.91 | April 18, 2006 | 20,500 | Disposed |
| Feb. 17, 2005 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (75,000) | $67.57 | Feb. 17, 2015 | 75,000 | Acquired |
| Jan. 3, 2005 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (20,500) | $12.91 | April 18, 2006 | 20,500 | Disposed |
| Dec. 27, 2004 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (12,593) | $9.67 | June 22, 2005 | 12,593 | Disposed |
| Sept. 27, 2004 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (12,592) | $9.67 | June 22, 2005 | 12,592 | Disposed |
| June 28, 2004 | BIIB | Stock Option (right-to-buy) [F2] | Common Stock (12,593) | $12.91 | June 22, 2005 | 12,593 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (1,300) | $12.91 | April 18, 2006 | 1,300 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (1,100) | $12.91 | April 18, 2006 | 1,100 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (2,900) | $12.91 | April 18, 2006 | 2,900 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (500) | $12.91 | April 18, 2006 | 500 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (4,200) | $12.91 | April 18, 2006 | 4,200 | Disposed |
| March 29, 2004 | BIIB | 1985 NQ Stock Option | Common Stock (4,370) | $7.31 | Dec. 9, 2004 | 4,370 | Disposed |
| March 29, 2004 | BIIB | 1985 NQ Stock Option | Common Stock (8,222) | $9.67 | June 22, 2005 | 8,222 | Disposed |
| Feb. 6, 2004 | BIIB | NQ Stock Option (right to buy) | Common Stock (35,000) | $43.50 | Feb. 6, 2014 | 35,000 | Acquired |
| Dec. 4, 2003 | BIIB | 1985 NQ Stock Option [F2] | Common Stock (8,625) | $7.31 | Dec. 9, 2004 | 8,625 | Disposed |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (46,000) | $37.45 | Dec. 6, 2012 | 46,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (46,000) | $49.03 | Dec. 14, 2011 | 46,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (115,000) | $49.61 | Aug. 8, 2011 | 115,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $45.46 | Dec. 15, 2010 | 28,750 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (23,000) | $62.28 | Dec. 9, 2009 | 23,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (46,000) | $35.42 | Dec. 11, 2008 | 46,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (23,000) | $15.54 | Dec. 12, 2007 | 23,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (23,000) | $16.90 | Dec. 6, 2006 | 23,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock | $12.91 | April 18, 2006 | 69,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (46,000) | $9.67 | June 22, 2005 | 46,000 | Acquired |
| Nov. 12, 2003 | BIIB | 1985 NQ Stock Option | Common Stock (12,995) | $7.31 | Dec. 9, 2004 | 12,995 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).