Home/Filings/4/0000899243-21-033479
4//SEC Filing

Pottage John C Jr 4

Accession 0000899243-21-033479

CIK 0001701108other

Filed

Aug 17, 8:00 PM ET

Accepted

Aug 18, 5:07 PM ET

Size

5.5 KB

Accession

0000899243-21-033479

Insider Transaction Report

Form 4
Period: 2021-08-17
Transactions
  • Award

    Stock Option (right to buy)

    2021-08-17+7,5007,500 total
    Exercise: $13.69Exp: 2031-08-17Common Stock (7,500 underlying)
Footnotes (1)
  • [F1]The shares underlying this option will vest and become exercisable in full on August 17, 2022 subject to the Reporting Person's continued service as a director through the vesting date.

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001378587

Filing Metadata

Form type
4
Filed
Aug 17, 8:00 PM ET
Accepted
Aug 18, 5:07 PM ET
Size
5.5 KB