SEC CIK 1335018
Hamm Robert A
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| BIIBview stock → | 28,625.41 | 2010-04-23 |
Position History — BIIB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — BIIB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2010-04-23 | Open-market sale | 2,138 | $52.20 | 28,625.41 |
| 2010-04-23 | Open-market sale | 710 | $52.16 | 27,915.41 |
| 2010-04-23 | Open-market sale | 703 | $52.19 | 27,212.41 |
| 2010-04-23 | Open-market sale | 2,117 | $52.20 | 30,763.41 |
| 2010-04-01 | Tax withholding | 505 | $57.52 | 29,766.41 |
| 2010-04-01 | Tax withholding | 510 | $57.52 | 29,256.41 |
| 2010-04-01 | Grant / award | 3,624 | $0.00 | 32,880.41 |
| 2010-02-24 | Tax withholding | 996 | $55.29 | 30,271.41 |
| 2010-02-24 | Grant / award | 9,306 | $0.00 | 32,252.41 |
| 2010-02-24 | Tax withholding | 985 | $55.29 | 31,267.41 |
| 2010-02-23 | Grant / award (derivative) | 48,916 | $0.00 | 48,916 |
| 2010-02-18 | Open-market sale | 3,194 | $56.15 | 26,333.41 |
| 2010-02-18 | Open-market sale | 3,387 | $56.16 | 22,946.41 |
| 2010-02-12 | Tax withholding | 1,613 | $55.21 | 31,013.41 |
| 2010-02-12 | Tax withholding | 1,486 | $55.21 | 29,527.41 |
| 2009-11-04 | Open-market sale | 2,330 | $42.80 | 33,150.41 |
| 2009-11-04 | Open-market sale | 524 | $42.84 | 32,626.41 |
| 2009-11-01 | Tax withholding | 376 | $42.13 | 37,150.41 |
| 2009-11-01 | Tax withholding | 1,670 | $42.13 | 35,480.41 |
| 2009-06-22 | Open-market sale | 2,194 | $49.75 | 38,526.41 |
| 2009-06-22 | Open-market sale | 1,000 | $50.77 | 37,526.41 |
| 2009-04-01 | Grant / award (derivative) | 9,740 | $0.00 | 9,740 |
| 2009-04-01 | Grant / award | 3,660 | $0.00 | 40,720.41 |
| 2009-02-24 | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2009-02-24 | Grant / award | 9,400 | $0.00 | 37,060.41 |
| 2009-02-19 | Open-market sale | 3,412 | $50.90 | 27,660.41 |
| 2009-02-12 | Tax withholding | 1,486 | $52.61 | 32,660.41 |
| 2009-02-12 | Tax withholding | 1,588 | $52.61 | 31,072.41 |
| 2009-02-11 | Open-market sale | 3,670 | $50.76 | 34,146.41 |
| 2009-02-06 | Option exercise (derivative) | 5,466 | $0.00 | 0 |
| 2009-02-06 | Option exercise | 5,466 | $0.00 | 39,612.41 |
| 2009-02-06 | Tax withholding | 1,796 | $52.48 | 37,816.41 |
| 2008-11-06 | Open-market sale | 200 | $44.96 | 34,671.41 |
| 2008-11-06 | Open-market sale | 525 | $44.61 | 34,146.41 |
| 2008-11-06 | Open-market sale | 2,130 | $44.53 | 34,871.41 |
| 2008-11-01 | Tax withholding | 2,045 | $42.55 | 37,001.41 |
| 2008-07-22 | Option exercise (derivative) | 9,725 | $0.00 | 29,175 |
| 2008-07-22 | Option exercise (derivative) | 20,450 | $0.00 | 20,450 |
| 2008-07-22 | Option exercise (derivative) | 27,475 | $0.00 | 0 |
| 2008-07-22 | Option exercise (derivative) | 33,750 | $0.00 | 11,250 |
| 2008-07-22 | Option exercise | 9,725 | $49.31 | 69,221.41 |
| 2008-07-22 | Option exercise | 20,450 | $44.24 | 59,496.41 |
| 2008-07-22 | Open-market sale | 156,086 | $70.00 | 39,046.41 |
| 2008-07-22 | Option exercise | 27,475 | $43.50 | 195,132.41 |
| 2008-07-22 | Option exercise | 20,124 | $37.45 | 167,657.41 |
| 2008-07-22 | Option exercise | 10,062 | $49.03 | 147,533.41 |
| 2008-07-22 | Option exercise | 33,750 | $67.57 | 137,471.41 |
| 2008-07-22 | Option exercise | 28,750 | $62.28 | 97,971.41 |
| 2008-07-22 | Option exercise | 5,750 | $45.46 | 103,721.41 |
| 2008-04-15 | Open-market sale | 100 | $63.54 | 41,859.41 |
| 2008-04-15 | Open-market sale | 200 | $63.51 | 41,959.41 |
| 2008-04-15 | Open-market sale | 200 | $63.49 | 42,159.41 |
| 2008-04-15 | Open-market sale | 100 | $63.48 | 42,359.41 |
| 2008-04-15 | Open-market sale | 400 | $64.23 | 39,046.41 |
| 2008-04-15 | Open-market sale | 13 | $64.22 | 39,446.41 |
| 2008-04-15 | Open-market sale | 3 | $64.13 | 39,459.41 |
| 2008-04-15 | Open-market sale | 100 | $64.09 | 39,462.41 |
| 2008-04-15 | Open-market sale | 297 | $64.07 | 39,562.41 |
| 2008-04-15 | Open-market sale | 400 | $63.95 | 39,859.41 |
| 2008-04-15 | Open-market sale | 100 | $63.87 | 40,259.41 |
| 2008-04-15 | Open-market sale | 100 | $63.80 | 40,359.41 |
| 2008-04-15 | Open-market sale | 100 | $63.79 | 40,459.41 |
| 2008-04-15 | Open-market sale | 700 | $63.75 | 40,559.41 |
| 2008-04-15 | Open-market sale | 200 | $63.72 | 41,259.41 |
| 2008-04-15 | Open-market sale | 200 | $63.55 | 41,659.41 |
| 2008-04-15 | Open-market sale | 200 | $63.70 | 41,459.41 |
| 2008-02-12 | Grant / award (derivative) | 39,320 | $0.00 | 39,320 |
| 2008-02-12 | Grant / award | 14,040 | $0.00 | 42,459.41 |
| 2008-02-12 | Tax withholding | 1,587 | $60.56 | 32,098.41 |
| 2008-02-12 | Open-market sale | 100 | $61.41 | 28,419.41 |
| 2008-02-12 | Open-market sale | 300 | $61.20 | 28,519.41 |
| 2008-02-12 | Open-market sale | 600 | $61.06 | 28,819.41 |
| 2008-02-12 | Open-market sale | 100 | $61.02 | 29,419.41 |
| 2008-02-12 | Open-market sale | 700 | $61.00 | 29,519.41 |
| 2008-02-12 | Open-market sale | 100 | $60.94 | 30,219.41 |
| 2008-02-12 | Open-market sale | 100 | $60.93 | 30,319.41 |
| 2008-02-12 | Open-market sale | 79 | $60.88 | 30,419.41 |
| 2008-02-12 | Open-market sale | 100 | $60.86 | 30,498.41 |
| 2008-02-12 | Open-market sale | 400 | $60.81 | 30,598.41 |
| 2008-02-12 | Open-market sale | 200 | $60.78 | 30,998.41 |
| 2008-02-12 | Open-market sale | 303 | $60.77 | 31,198.41 |
| 2008-02-12 | Open-market sale | 97 | $60.74 | 31,501.41 |
| 2008-02-12 | Open-market sale | 200 | $60.73 | 31,598.41 |
| 2008-02-12 | Open-market sale | 300 | $60.49 | 31,798.41 |
| 2008-02-12 | Open-market sale | 200 | $60.73 | 45,638.41 |
| 2008-02-12 | Open-market sale | 300 | $60.49 | 45,838.41 |
| 2008-02-12 | Grant / award | 14,040 | $0.00 | 46,138.41 |
| 2008-02-12 | Tax withholding | 1,587 | $60.56 | 32,098.41 |
| 2008-02-12 | Open-market sale | 100 | $61.41 | 42,459.41 |
| 2008-02-12 | Open-market sale | 300 | $61.20 | 42,559.41 |
| 2008-02-12 | Open-market sale | 400 | $60.81 | 44,638.41 |
| 2008-02-12 | Open-market sale | 100 | $61.02 | 43,459.41 |
| 2008-02-12 | Open-market sale | 700 | $61.00 | 43,559.41 |
| 2008-02-12 | Open-market sale | 100 | $60.94 | 44,259.41 |
| 2008-02-12 | Open-market sale | 100 | $60.93 | 44,359.41 |
| 2008-02-12 | Open-market sale | 79 | $60.88 | 44,459.41 |
| 2008-02-12 | Open-market sale | 100 | $60.86 | 44,538.41 |
| 2008-02-12 | Open-market sale | 97 | $60.74 | 45,541.41 |
| 2008-02-12 | Open-market sale | 303 | $60.77 | 45,238.41 |
| 2008-02-12 | Open-market sale | 200 | $60.78 | 45,038.41 |
| 2008-02-12 | Open-market sale | 600 | $61.06 | 42,859.41 |
| 2008-02-06 | Option exercise (derivative) | 5,467 | $0.00 | 5,466 |
| 2008-02-06 | Option exercise | 5,467 | $0.00 | 35,473.41 |
| 2008-02-06 | Tax withholding | 2,335 | $60.52 | 33,138.41 |
| 2008-02-06 | Tax withholding | 1,788 | $60.52 | 33,685.41 |
| 2007-11-01 | Grant / award (derivative) | 6,900 | $0.00 | 6,900 |
| 2007-11-01 | Grant / award | 14,700 | $0.00 | 30,006.41 |
| 2007-04-23 | Open-market sale | 3,731 | $47.34 | 15,306.41 |
| 2007-03-20 | Open-market sale | 5,077 | $44.48 | 19,037.41 |
| 2007-03-14 | Tax withholding | 3,638 | $44.11 | 24,114.41 |
| 2007-03-14 | Grant / award | 8,715 | $0.00 | 27,752.41 |
| 2007-02-13 | Open-market sale | 6,188 | $49.22 | 19,037.41 |
| 2007-02-12 | Grant / award (derivative) | 38,900 | — | 38,900 |
| 2007-02-12 | Grant / award | 15,000 | $0.00 | 25,225.41 |
| 2007-02-06 | Disposition to issuer (derivative) | 5,467 | $0.00 | 10,933 |
| 2007-02-06 | Option exercise | 5,467 | $0.00 | 14,961.41 |
| 2007-02-06 | Tax withholding | 4,706 | $48.94 | 10,255.41 |
| 2006-09-19 | Open-market sale | 3,411.43 | $42.80 | 18,878.57 |
| 2006-09-19 | Open-market sale | 3,411.43 | $42.77 | 15,467.14 |
| 2006-09-19 | Open-market sale | 3,411.43 | $42.75 | 12,055.71 |
| 2006-09-19 | Open-market sale | 1,045.11 | $42.70 | 9,494.41 |
| 2006-09-19 | Open-market sale | 1,516.19 | $42.72 | 10,539.52 |
| 2006-09-19 | Open-market sale | 3,411.43 | $42.84 | 22,290 |
| 2006-09-14 | Grant / award | 24,500 | $0.00 | 33,994.43 |
| 2006-09-14 | Tax withholding | 8,293 | $43.39 | 25,701.43 |
| 2006-02-06 | Grant / award (derivative) | 16,400 | — | 16,400 |
| 2006-02-06 | Grant / award (derivative) | 40,900 | — | 40,900 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.