SEC CIK 1577071
Artavanis-Tsakonas Spyridon
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| BIIBview stock → | 3,149.97 | 2016-04-02 |
Position History — BIIB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — BIIB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2016-04-02 | Option exercise (derivative) | 975 | $0.00 | 0 |
| 2016-04-02 | Tax withholding | 459 | $260.54 | 3,149.97 |
| 2016-04-02 | Option exercise | 975 | $0.00 | 3,608.97 |
| 2016-02-23 | Option exercise (derivative) | 145 | $0.00 | 1,155 |
| 2016-02-23 | J (derivative) | 287 | $0.00 | 868 |
| 2016-02-23 | Tax withholding | 48 | $258.99 | 2,549.11 |
| 2016-02-23 | Option exercise | 145 | $0.00 | 2,597.11 |
| 2016-02-22 | Grant / award (derivative) | 6,800 | $0.00 | 6,800 |
| 2016-02-12 | Option exercise (derivative) | 343 | $0.00 | 1,259 |
| 2016-02-12 | Option exercise (derivative) | 714 | $0.00 | 716 |
| 2016-02-12 | J (derivative) | 455 | $0.00 | 804 |
| 2016-02-12 | Tax withholding | 240 | $247.22 | 2,452.11 |
| 2016-02-12 | Option exercise | 343 | $0.00 | 2,090.11 |
| 2016-02-12 | Tax withholding | 112 | $247.22 | 1,978.11 |
| 2016-02-12 | Option exercise | 714 | $0.00 | 2,692.11 |
| 2015-04-02 | Option exercise (derivative) | 975 | $0.00 | 975 |
| 2015-04-02 | Tax withholding | 460 | $412.44 | 1,674.02 |
| 2015-04-02 | Option exercise | 975 | $0.00 | 2,134.02 |
| 2015-02-23 | Grant / award (derivative) | 1,300 | $0.00 | 1,300 |
| 2015-02-12 | J (derivative) | 311 | $0.00 | 1,602 |
| 2015-02-12 | Option exercise (derivative) | 714 | $0.00 | 1,430 |
| 2015-02-12 | Option exercise (derivative) | 487 | $0.00 | 1,913 |
| 2015-02-12 | Option exercise | 714 | $0.00 | 1,066.02 |
| 2015-02-12 | Tax withholding | 159 | $392.11 | 1,159.02 |
| 2015-02-12 | Tax withholding | 235 | $392.11 | 831.02 |
| 2015-02-12 | Option exercise | 487 | $0.00 | 1,318.02 |
| 2014-12-15 | Open-market sale | 1,981 | $346.50 | 352.02 |
| 2014-04-02 | Option exercise (derivative) | 975 | $0.00 | 1,950 |
| 2014-04-02 | Option exercise | 975 | $0.00 | 2,676.83 |
| 2014-04-02 | Tax withholding | 433 | $309.70 | 2,243.83 |
| 2014-02-12 | Option exercise (derivative) | 714 | $0.00 | 2,144 |
| 2014-02-12 | Grant / award (derivative) | 2,400 | $0.00 | 2,400 |
| 2014-02-12 | Tax withholding | 239 | $323.04 | 1,701.83 |
| 2014-02-12 | Option exercise | 714 | $0.00 | 1,940.83 |
| 2013-06-03 | — | — | — | 1,226.83 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.