InsiderTrades

Form 4 for SPRO Spero Therapeutics, Inc.

Accepted 2022-02-03 00:00:00 ET · period of report 2022-02-01 · accession 0000899243-22-004591 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2022-02-03 2022-02-01 SPRO Mahadevia Ankit CEO, Pres, Dir A - Grant $0.00 +134.2K 278.2K +93% $0
D 2022-02-03 2022-02-01 SPRO Mahadevia Ankit CEO, Pres, Dir A - Grant $0.00 +187.7K 187.7K New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2022-02-01 A A 134,168 $0.00 278,204 D — — (F1) Consists of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of common stock upon vesting. The RSUs vest in four equal annual installments beginning on February 1, 2023, subject to the Reporting Person's continued service through the applicable vesting date. (F2) Amount includes 65,817 shares of common stock held by the Mahadevia-Mehta Family Trust, of which the Reporting Person is a trustee. Amount also includes 212,387 RSUs held by the Reporting Person.
2 Derivative Stock Option (Right to Buy) 2022-02-01 A A 187,730 $0.00 187,730 D $11.18 · — to 2032-02-01 187,730 Common Stock (F3) The shares underlying this option vest as to 25% on February 1, 2023, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.