Home/Filings/4/0000899243-18-025024
4//SEC Filing

Pottage John C Jr 4

Accession 0000899243-18-025024

CIK 0001701108other

Filed

Sep 20, 8:00 PM ET

Accepted

Sep 21, 5:38 PM ET

Size

5.5 KB

Accession

0000899243-18-025024

Insider Transaction Report

Form 4
Period: 2018-09-21
Transactions
  • Award

    Stock Option (right to buy)

    2018-09-21+12,14612,146 total
    Exercise: $10.25Exp: 2028-09-21Common Stock (12,146 underlying)
Footnotes (1)
  • [F1]The shares underlying this option will vest in thirty-six equal monthly installments at the end of each successive month following September 21, 2018, subject to the Reporting Person's continued service as a director through the applicable vesting dates.

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001378587

Filing Metadata

Form type
4
Filed
Sep 20, 8:00 PM ET
Accepted
Sep 21, 5:38 PM ET
Size
5.5 KB