Insider · CIK 0001413008
Thomas R Parr Jr.
Files at: SPRO. On EDGAR ↗
Reported trades — common stock
No reported common-stock activity in this period.
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jan 2, 2019 AForm 4 → | Jan 2, 7:23 pm EST | Spero Therapeutics, Inc.SPRO | 35,000 | — | — | 35,000 | — | |
| Dec 13, 2017 AForm 4 → | Dec 15, 4:05 pm EST | Spero Therapeutics, Inc.SPRO | 36,134 | — | — | 36,134 | — |