Alan Glassberg
CIK 1236531 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 10, 2006 · Latest: Jan. 10, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 37 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
37 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $62.24 | $12,448 | 3,550 Direct | -5.33% | Disposed | 246.5% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $62.00 | $18,600 | 3,750 Direct | -7.41% | Disposed | 247.8% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.87 | $18,561 | 4,050 Direct | -6.90% | Disposed | 248.6% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.83 | $12,366 | 4,350 Direct | -4.40% | Disposed | 248.8% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 500 | $61.79 | $30,895 | 4,550 Direct | -9.90% | Disposed | 249.0% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.78 | $12,356 | 5,050 Direct | -3.81% | Disposed | 249.1% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 400 | $61.77 | $24,708 | 5,250 Direct | -7.08% | Disposed | 249.1% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.76 | $18,528 | 5,650 Direct | -5.04% | Disposed | 249.2% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 400 | $61.74 | $24,696 | 5,950 Direct | -6.30% | Disposed | 249.3% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 1,400 | $61.73 | $86,422 | 6,350 Direct | -18.06% | Disposed | 249.3% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.70 | $18,510 | 7,750 Direct | -3.73% | Disposed | 249.5% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.69 | $12,338 | 8,050 Direct | -2.42% | Disposed | 249.6% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.68 | $12,336 | 8,250 Direct | -2.37% | Disposed | 249.6% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 600 | $61.67 | $37,002 | 8,450 Direct | -6.63% | Disposed | 249.7% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 700 | $61.66 | $43,162 | 9,050 Direct | -7.18% | Disposed | 249.7% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 100 | $61.64 | $6,164 | 9,750 Direct | -1.02% | Disposed | 249.9% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 800 | $61.57 | $49,256 | 9,850 Direct | -7.51% | Disposed | 250.3% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 400 | $61.51 | $24,604 | 10,650 Direct | -3.62% | Disposed | 250.6% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 600 | $61.50 | $36,900 | 11,050 Direct | -5.15% | Disposed | 250.7% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.49 | $18,447 | 11,650 Direct | -2.51% | Disposed | 250.7% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 100 | $61.48 | $6,148 | 11,950 Direct | -0.83% | Disposed | 250.8% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.47 | $12,294 | 12,050 Direct | -1.63% | Disposed | 250.8% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.45 | $12,290 | 12,250 Direct | -1.61% | Disposed | 250.9% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.40 | $12,280 | 12,450 Direct | -1.58% | Disposed | 251.2% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.39 | $18,417 | 12,650 Direct | -2.32% | Disposed | 251.3% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 100 | $61.35 | $6,135 | 12,950 Direct | -0.77% | Disposed | 251.5% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 200 | $61.32 | $12,264 | 13,050 Direct | -1.51% | Disposed | 251.7% (price as of 2026-08-21) |
| April 29, 2008 | BIIB | S 10b5-1 | 300 | $61.28 | $18,384 | 13,250 Direct | -2.21% | Disposed | 251.9% (price as of 2026-08-21) |
| May 30, 2007 | BIIB | S 10b5-1 | 20,000 | $51.54 | $1,030,800 | 1,250 Direct | -94.12% | Disposed | 318.4% (price as of 2026-08-21) |
| Oct. 2, 2006 | BIIB | S 10b5-1 | 3,140 | $44.70 | $140,358 | 0 Direct | -100.00% | Disposed | 382.4% (price as of 2026-08-21) |
| Oct. 2, 2006 | BIIB | S 10b5-1 | 4,000 | $44.63 | $178,520 | 3,140 Direct | -56.02% | Disposed | 383.2% (price as of 2026-08-21) |
| Oct. 2, 2006 | BIIB | S 10b5-1 | 2,000 | $44.60 | $89,200 | 7,140 Direct | -21.88% | Disposed | 383.5% (price as of 2026-08-21) |
| Oct. 2, 2006 | BIIB | S 10b5-1 | 2,000 | $44.58 | $89,160 | 9,140 Direct | -17.95% | Disposed | 383.7% (price as of 2026-08-21) |
| Oct. 2, 2006 | BIIB | S 10b5-1 | 2,000 | $44.55 | $89,100 | 11,140 Direct | -15.22% | Disposed | 384.1% (price as of 2026-08-21) |
| Nov. 30, 2004 | BIIB | S | 10,000 | $58.05 | $580,500 | 13,140 Direct | -43.22% | Disposed | 271.5% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 1,860 | $58.02 | $107,917 | 0 Direct | -100.00% | Disposed | 271.7% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 5,000 | $58.00 | $290,000 | 23,140 Direct | -17.77% | Disposed | 271.8% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 1,860 | $58.02 | $107,917 | 28,140 Direct | -6.20% | Disposed | 271.7% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 3,140 | $58.02 | $182,183 | 0 Direct | -100.00% | Disposed | 271.7% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 10,000 | $58.23 | $582,300 | 3,140 Direct | -76.10% | Disposed | 270.3% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 1,860 | $58.02 | $107,917 | 28,140 Direct | -6.20% | Disposed | 271.7% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 3,140 | $58.02 | $182,183 | 0 Direct | -100.00% | Disposed | 271.7% (price as of 2026-08-21) |
| Aug. 4, 2004 | BIIB | S | 10,000 | $58.23 | $582,300 | 3,140 Direct | -76.10% | Disposed | 270.3% (price as of 2026-08-21) |
| May 26, 2004 | BIIB | S | 1,860 | $63.38 | $117,887 | 0 Direct | -100.00% | Disposed | 240.2% (price as of 2026-08-21) |
| May 26, 2004 | BIIB | S | 1,860 | $63.38 | $117,887 | 13,140 Direct | -12.40% | Disposed | 240.2% (price as of 2026-08-21) |
| May 26, 2004 | BIIB | S | 8,140 | $63.38 | $515,913 | 0 Direct | -100.00% | Disposed | 240.2% (price as of 2026-08-21) |
| May 5, 2004 | BIIB | S | 30,000 | $59.00 | $1,770,000 | 8,140 Direct | -78.66% | Disposed | 265.5% (price as of 2026-08-21) |
| Oct. 28, 2003 | BIIB | S | 16,460 | $33.45 | $550,587 | 0 Direct | -100.00% | Disposed | 544.7% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| June 19, 2008 | BIIB | Stock Option (rignt to buy) | Common Stock (5,700) | $59.17 | June 18, 2018 | 5,700 | Acquired |
| April 29, 2008 | BIIB | Stock Option (right to buy) | Common Stock (10,000) | $31.08 | Jan. 2, 2010 | 10,000 | Disposed |
| May 31, 2007 | BIIB | Stock Option (right to buy) | Common Stock (5,950) | $52.22 | May 30, 2017 | 5,950 | Acquired |
| May 30, 2007 | BIIB | Stock Option (right to buy) | Common Stock (20,000) | $31.08 | Jan. 2, 2010 | 20,000 | Disposed |
| May 25, 2007 | BIIB | Restricted Stock Unit | Common Stock (1,250) | — | May 25, 2007 | 1,250 | Disposed |
| Oct. 2, 2006 | BIIB | Stock Option (right-to-buy) | Common Stock (13,140) | $7.79 | Jan. 3, 2009 | 13,140 | Disposed |
| May 25, 2006 | BIIB | Restricted Stock Units | Common Stock (1,250) | — | — | 1,250 | Acquired |
| May 25, 2006 | BIIB | Employee Stock Option (right-to-buy) [F1] | Common Stock (3,125) | $46.99 | May 24, 2016 | 3,125 | Acquired |
| Jan. 9, 2006 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (12,500) | $47.55 | Jan. 9, 2016 | 12,500 | Acquired |
| Jan. 3, 2005 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (12,500) | $66.29 | Jan. 3, 2015 | 12,500 | Acquired |
| Nov. 30, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (10,000) | $7.79 | Jan. 4, 2009 | 10,000 | Disposed |
| Aug. 4, 2004 | BIIB | sStock Option (right-to-buy) [F1] | Common Stock (6,860) | $7.79 | Jan. 4, 2009 | 6,860 | Disposed |
| Aug. 4, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (13,140) | $5.65 | Jan. 2, 2008 | 13,140 | Disposed |
| Aug. 4, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (1,860) | $7.79 | Jan. 4, 2009 | 1,860 | Disposed |
| Aug. 4, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (13,140) | $5.65 | Jan. 2, 2008 | 13,140 | Disposed |
| May 26, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (1,860) | $5.65 | Jan. 2, 2009 | 1,860 | Disposed |
| May 26, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (8,140) | $4.06 | Feb. 24, 2007 | 8,140 | Disposed |
| May 5, 2004 | BIIB | Stock Option (right-to-buy) [F1] | Common Stock (30,000) | $4.06 | Feb. 24, 2007 | 30,000 | Disposed |
| Jan. 2, 2004 | BIIB | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (12,500) | $36.94 | Jan. 1, 2014 | 12,500 | Acquired |
| Oct. 28, 2003 | BIIB | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (16,460) | $4.06 | Feb. 23, 2007 | 16,460 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).