Home/Filings/4/0000899243-22-004591
4//SEC Filing

Mahadevia Ankit 4

Accession 0000899243-22-004591

CIK 0001701108other

Filed

Feb 2, 7:00 PM ET

Accepted

Feb 3, 4:18 PM ET

Size

7.9 KB

Accession

0000899243-22-004591

Insider Transaction Report

Form 4
Period: 2022-02-01
Transactions
  • Award

    Stock Option (Right to Buy)

    2022-02-01+187,730187,730 total
    Exercise: $11.18Exp: 2032-02-01Common Stock (187,730 underlying)
  • Award

    Common Stock

    2022-02-01+134,168278,204 total
Footnotes (3)
  • [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.
  • [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.

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001720974

Filing Metadata

Form type
4
Filed
Feb 2, 7:00 PM ET
Accepted
Feb 3, 4:18 PM ET
Size
7.9 KB