SEC CIK 1504983
Gagnon Robert E.
Reported ownership across 4 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| VSTMview stock → | 41,678 | 2025-12-16 |
| HBIOview stock → | 27,556 | 2026-06-09 |
| CLHview stock → | 7,386 | 2012-09-11 |
| BIIBview stock → | 4,356 | 2012-02-29 |
Position History — BIIB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — BIIB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2012-02-29 | Open-market sale | 360 | $115.51 | 4,356 |
| 2012-02-29 | Open-market sale | 357 | $115.51 | 3,999 |
| 2012-02-28 | Open-market sale | 835 | $115.03 | 4,716 |
| 2012-02-24 | Option exercise (derivative) | 1,054 | $0.00 | 1,054 |
| 2012-02-24 | Tax withholding | 166 | $116.39 | 5,719 |
| 2012-02-24 | Option exercise | 1,054 | $49.65 | 6,939 |
| 2012-02-24 | Tax withholding | 168 | $116.39 | 5,551 |
| 2012-02-24 | Open-market sale | 1,054 | $115.53 | 5,885 |
| 2012-02-23 | Option exercise (derivative) | 1,223 | $0.00 | 2,446 |
| 2012-02-23 | Option exercise | 1,223 | $0.00 | 6,273 |
| 2012-02-23 | Tax withholding | 388 | $116.70 | 5,885 |
| 2012-02-14 | Open-market sale | 560 | $118.61 | 5,050 |
| 2012-02-09 | Option exercise (derivative) | 861 | $0.00 | 2,582 |
| 2012-02-09 | Option exercise | 861 | $0.00 | 5,911 |
| 2012-02-09 | Tax withholding | 301 | $117.78 | 5,610 |
| 2012-02-08 | Grant / award (derivative) | 2,138 | $0.00 | 2,138 |
| 2011-12-06 | Open-market sale | 795 | $112.31 | 5,050 |
| 2011-12-01 | Tax withholding | 371 | $116.48 | 5,845 |
| 2011-11-09 | Open-market sale | 796 | $112.04 | 6,216 |
| 2011-11-02 | Tax withholding | 371 | $113.43 | 7,012 |
| 2011-10-05 | Open-market sale | 252 | $97.66 | 7,383 |
| 2011-10-03 | Option exercise (derivative) | 778 | $0.00 | 778 |
| 2011-10-03 | Open-market sale | 778 | $92.55 | 7,635 |
| 2011-10-03 | Option exercise | 778 | $49.59 | 8,413 |
| 2011-10-01 | Tax withholding | 118 | $93.15 | 7,635 |
| 2011-05-06 | Open-market sale | 967 | $96.13 | 7,753 |
| 2011-05-04 | Open-market sale | 215 | $96.03 | 8,720 |
| 2011-05-03 | Tax withholding | 450 | $97.99 | 8,935 |
| 2011-05-01 | Tax withholding | 101 | $97.65 | 9,385 |
| 2011-03-02 | Open-market sale | 100 | $70.32 | 9,486 |
| 2011-03-02 | Open-market sale | 586 | $70.17 | 10,202 |
| 2011-03-02 | Open-market sale | 616 | $69.98 | 9,586 |
| 2011-03-02 | Open-market sale | 100 | $69.02 | 10,788 |
| 2011-02-24 | Option exercise (derivative) | 1,054 | $0.00 | 2,108 |
| 2011-02-24 | Open-market sale | 1,054 | $66.99 | 11,223 |
| 2011-02-24 | Option exercise | 1,054 | $49.65 | 12,277 |
| 2011-02-24 | Tax withholding | 167 | $67.26 | 11,056 |
| 2011-02-24 | Tax withholding | 168 | $67.26 | 10,888 |
| 2011-02-23 | J (derivative) | 217 | $0.00 | 3,669 |
| 2011-02-23 | Option exercise (derivative) | 191 | $0.00 | 3,886 |
| 2011-02-23 | Option exercise (derivative) | 815 | $0.00 | 4,077 |
| 2011-02-23 | Tax withholding | 259 | $66.76 | 11,284 |
| 2011-02-23 | Option exercise | 815 | $0.00 | 11,352 |
| 2011-02-23 | Option exercise | 191 | $0.00 | 11,543 |
| 2011-02-23 | Tax withholding | 61 | $66.76 | 11,223 |
| 2011-02-17 | Open-market sale | 732 | $67.10 | 10,537 |
| 2011-02-12 | Tax withholding | 341 | $65.83 | 11,269 |
| 2011-02-09 | Grant / award (derivative) | 3,443 | $0.00 | 3,443 |
| 2011-01-04 | Option exercise (derivative) | 1,554 | $0.00 | 1,556 |
| 2011-01-04 | Option exercise (derivative) | 1,053 | $0.00 | 3,162 |
| 2011-01-04 | Option exercise (derivative) | 1,700 | $0.00 | 0 |
| 2011-01-04 | Option exercise | 1,554 | $49.59 | 12,368 |
| 2011-01-04 | Option exercise | 1,700 | $40.63 | 12,514 |
| 2011-01-04 | Open-market sale | 1,053 | $66.57 | 10,814 |
| 2011-01-04 | Option exercise | 1,053 | $49.65 | 11,867 |
| 2010-12-06 | Open-market sale | 796 | $66.53 | 11,610 |
| 2010-12-01 | Tax withholding | 371 | $65.37 | 12,406 |
| 2010-11-03 | — | — | — | 12,777 |
| 2010-11-03 | — | — | — | 13,573 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.