SEC CIK 1577061

Sandrock Alfred

Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
VYGRview stock →472,5492026-04-02
BIIBview stock →10,169.112021-06-07

Position History — VYGR

Reported shares owned immediately after each Form 4 transaction, over time.

0174,060348,121522,1812022-032023-042024-022025-022025-022026-022026-022026-04

Recent Filings — VYGR

DateActivitySharesPriceOwned After
2026-04-02Open-market sale11,511$3.87472,549
2026-02-24Open-market sale14,197$3.79484,060
2026-02-18Open-market sale11,732$3.41498,257
2026-02-10Open-market sale12,192$3.78509,989
2026-02-06Grant / award (derivative)402,500$0.00402,500
2026-02-06Grant / award86,250$0.00522,181
2025-04-02Open-market sale10,885$3.43430,931
2025-02-21Grant / award (derivative)290,000$0.00290,000
2025-02-21Grant / award145,000$0.00441,816
2025-02-20Open-market sale11,702$4.24296,816
2025-02-11Open-market sale16,644$4.45308,518
2024-04-02Open-market sale12,115$9.86322,839
2024-02-21Open-market sale13,033$7.46334,954
2024-02-09Grant / award (derivative)260,000$0.00260,000
2024-02-09Grant / award130,000$0.00347,987
2023-04-03Open-market sale7,437$7.83214,618
2023-02-17Grant / award (derivative)240,000$0.00240,000
2023-02-17Grant / award120,000$0.00222,055
2022-03-22Grant / award (derivative)940,600$0.00940,600
2022-03-22Grant / award100,000$0.00100,000
2022-02-07Grant / award (derivative)44,000$0.0044,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.