Home/Filings/4/0000899243-17-028851
4//SEC Filing

Larkin Cristina 4

Accession 0000899243-17-028851

CIK 0001701108other

Filed

Dec 14, 7:00 PM ET

Accepted

Dec 15, 4:07 PM ET

Size

5.6 KB

Accession

0000899243-17-028851

Insider Transaction Report

Form 4
Period: 2017-12-13
Larkin Cristina
Chief Operating Officer
Transactions
  • Award

    Stock Option (Right to Buy)

    2017-12-13+62,54062,540 total
    Exercise: $11.63Exp: 2027-12-12Common Stock (62,540 underlying)
Footnotes (1)
  • [F1]The shares underlying this option vest as to 25% on December 13, 2018, with the remainder vesting in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001721173

Filing Metadata

Form type
4
Filed
Dec 14, 7:00 PM ET
Accepted
Dec 15, 4:07 PM ET
Size
5.6 KB