SEC CIK 1672709
Vounatsos Michel
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ZLABview stock → | 72,787 | 2026-06-17 |
| BIIBview stock → | 70,007.19 | 2022-02-18 |
Position History — BIIB
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — BIIB
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2022-02-18 | Option exercise (derivative) | 6,191 | $0.00 | 39,119 |
| 2022-02-18 | J (derivative) | 8,909 | $0.00 | 30,210 |
| 2022-02-18 | Option exercise | 6,191 | $0.00 | 70,007.19 |
| 2022-02-18 | Tax withholding | 2,746 | $209.79 | 67,261.19 |
| 2022-02-12 | Option exercise (derivative) | 4,395 | $0.00 | 20,727 |
| 2022-02-12 | J (derivative) | 8,163 | $0.00 | 12,564 |
| 2022-02-12 | J (derivative) | 8,205 | $0.00 | 0 |
| 2022-02-12 | Option exercise (derivative) | 4,321 | $0.00 | 8,205 |
| 2022-02-12 | Tax withholding | 1,917 | $214.59 | 66,070.19 |
| 2022-02-12 | Option exercise | 4,321 | $0.00 | 67,987.19 |
| 2022-02-12 | Option exercise | 4,395 | $0.00 | 70,465.19 |
| 2022-02-12 | Tax withholding | 1,950 | $214.59 | 68,515.19 |
| 2022-02-12 | Tax withholding | 4,699 | $214.59 | 63,816.19 |
| 2022-02-10 | Grant / award (derivative) | 28,405 | $0.00 | 28,405 |
| 2022-01-19 | Grant / award | 10,594 | $0.00 | 63,666.19 |
| 2021-02-18 | Grant / award (derivative) | 45,310 | $0.00 | 45,310 |
| 2021-02-12 | J (derivative) | 7,221 | $0.00 | 25,122 |
| 2021-02-12 | Option exercise (derivative) | 5,693 | $0.00 | 6,419 |
| 2021-02-12 | J (derivative) | 6,419 | $0.00 | 0 |
| 2021-02-12 | Option exercise (derivative) | 5,337 | $0.00 | 32,343 |
| 2021-02-12 | Option exercise (derivative) | 5,259 | $0.00 | 19,789 |
| 2021-02-12 | J (derivative) | 7,263 | $0.00 | 12,526 |
| 2021-02-12 | Option exercise | 5,259 | $0.00 | 54,857.29 |
| 2021-02-12 | Tax withholding | 2,525 | $278.03 | 57,669.29 |
| 2021-02-12 | Option exercise | 5,337 | $0.00 | 60,194.29 |
| 2021-02-12 | Tax withholding | 7,248 | $278.03 | 43,905.29 |
| 2021-02-12 | Option exercise | 5,693 | $0.00 | 49,598.29 |
| 2021-02-12 | Tax withholding | 2,367 | $278.03 | 52,969.29 |
| 2021-02-12 | Tax withholding | 2,333 | $278.03 | 55,336.29 |
| 2021-01-27 | Grant / award | 16,343 | $0.00 | 51,153.29 |
| 2020-11-30 | Open-market buy | 3,100 | $241.31 | 34,810.29 |
| 2020-02-15 | J (derivative) | 3,657 | $0.00 | 0 |
| 2020-02-15 | Option exercise (derivative) | 4,847 | $0.00 | 3,657 |
| 2020-02-15 | Tax withholding | 2,150 | $333.00 | 31,625.32 |
| 2020-02-15 | Option exercise | 4,847 | $0.00 | 33,775.32 |
| 2020-02-12 | Option exercise (derivative) | 6,234 | $0.00 | 17,982 |
| 2020-02-12 | J (derivative) | 5,870 | $0.00 | 12,112 |
| 2020-02-12 | J (derivative) | 6,762 | $0.00 | 25,048 |
| 2020-02-12 | Grant / award (derivative) | 37,680 | $0.00 | 37,680 |
| 2020-02-12 | Option exercise (derivative) | 5,760 | $0.00 | 31,810 |
| 2020-02-12 | Option exercise | 6,234 | $0.00 | 28,063.32 |
| 2020-02-12 | Tax withholding | 2,340 | $331.76 | 25,723.32 |
| 2020-02-12 | Option exercise | 5,760 | $0.00 | 31,483.32 |
| 2020-02-12 | Tax withholding | 2,555 | $331.76 | 28,928.32 |
| 2019-05-02 | J (derivative) | 1,772 | $0.00 | 0 |
| 2019-05-02 | Option exercise (derivative) | 1,480 | $0.00 | 1,772 |
| 2019-05-02 | Tax withholding | 658 | $230.52 | 21,829.32 |
| 2019-05-02 | Option exercise | 1,480 | $0.00 | 22,487.32 |
| 2019-05-01 | Open-market buy | 4,351 | $231.48 | 21,007.32 |
| 2019-02-15 | J (derivative) | 3,229 | $0.00 | 8,504 |
| 2019-02-15 | Option exercise (derivative) | 5,269 | $0.00 | 11,733 |
| 2019-02-15 | Tax withholding | 2,340 | $332.87 | 16,574.27 |
| 2019-02-15 | Option exercise | 5,269 | $0.00 | 18,914.27 |
| 2019-02-12 | Option exercise (derivative) | 6,899 | $0.00 | 29,421 |
| 2019-02-12 | J (derivative) | 5,205 | $0.00 | 24,216 |
| 2019-02-12 | Grant / award (derivative) | 37,570 | $0.00 | 37,570 |
| 2019-02-12 | Tax withholding | 2,622 | $319.43 | 13,645.27 |
| 2019-02-12 | Option exercise | 6,899 | $0.00 | 16,267.27 |
| 2018-05-02 | J (derivative) | 1,557 | $0.00 | 3,252 |
| 2018-05-02 | Option exercise (derivative) | 1,687 | $0.00 | 4,809 |
| 2018-05-02 | Option exercise | 1,687 | $0.00 | 10,118.27 |
| 2018-05-02 | Tax withholding | 750 | $274.13 | 9,368.27 |
| 2018-02-15 | J (derivative) | 3,144 | $0.00 | 17,002 |
| 2018-02-15 | Option exercise (derivative) | 5,354 | $0.00 | 20,146 |
| 2018-02-15 | Tax withholding | 1,877 | $299.38 | 8,356.46 |
| 2018-02-15 | Option exercise | 5,354 | $0.00 | 10,233.46 |
| 2018-02-12 | Grant / award (derivative) | 36,320 | $0.00 | 36,320 |
| 2017-12-29 | Open-market buy | 780 | $320.55 | 4,879.46 |
| 2017-05-02 | J (derivative) | 1,508 | $0.00 | 6,496 |
| 2017-05-02 | Option exercise (derivative) | 1,736 | $0.00 | 8,004 |
| 2017-05-02 | Tax withholding | 564 | $271.34 | 4,099.46 |
| 2017-05-02 | Option exercise | 1,736 | $0.00 | 4,663.46 |
| 2017-05-01 | Open-market buy | 1,402 | $271.35 | 2,927.46 |
| 2017-02-27 | Open-market buy | 1,333 | $285.39 | 1,433.93 |
| 2017-02-15 | Grant / award (derivative) | 25,500 | $0.00 | 25,500 |
| 2016-05-02 | Grant / award (derivative) | 9,520 | $0.00 | 9,520 |
| 2016-04-18 | — | — | — | 0 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.