Insider · CIK 0001557501
Patrick V.J.J. Vink
Files at: SPRO, CBST. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 23, 2026 AForm 4 → | Jun 25, 7:12 pm EDT | Spero Therapeutics, Inc.SPRO | 10,000 | — | — | 85,000 | — | |
| Jan 21, 2015 JForm 4 → | Jan 21, 5:08 pm EST | CUBIST PHARMACEUTICALS INCCBST | 5,496 | $102.00 | $560,592 | 0 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 23, 2026 AForm 4 → | Jun 25, 7:12 pm EDT | Spero Therapeutics, Inc.SPRO | 20,000 | — | — | 20,000 | — | |
| Jun 5, 2018 AForm 4 → | Jun 6, 8:00 pm EDT | Spero Therapeutics, Inc.SPRO | 6,073 | — | — | 6,073 | — | |
| Jan 21, 2015 DForm 4 → | Jan 21, 5:08 pm EST | CUBIST PHARMACEUTICALS INCCBST | 141,566 | — | — | 0 | — | |
| Jan 1, 2015 AForm 4 → | Jan 5, 4:09 pm EST | CUBIST PHARMACEUTICALS INCCBST | 7,451 | — | — | 14,902 | — |