Home/Filings/4/0000950170-25-014850
4//SEC Filing

Shukla Sath 4

Accession 0000950170-25-014850

CIK 0001701108other

Filed

Feb 4, 7:00 PM ET

Accepted

Feb 5, 8:31 PM ET

Size

10.1 KB

Accession

0000950170-25-014850

Insider Transaction Report

Form 4
Period: 2025-02-03
Shukla Sath
CEO & President
Transactions
  • Award

    Common Stock

    2025-02-03+751,4071,892,216 total
  • Sale

    Common Stock

    2025-02-05$0.78/sh6,139$4,7881,886,077 total
  • Sale

    Common Stock

    2025-02-05$0.78/sh42,786$33,3731,843,291 total
  • Sale

    Common Stock

    2025-02-05$0.78/sh106,408$82,9981,736,883 total
Footnotes (4)
  • [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 3, 2026, subject to the Reporting Person's continued service through the applicable vesting date.
  • [F2]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2022.
  • [F3]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2023.
  • [F4]The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of RSUs that were granted to the Reporting Person on February 1, 2024.

Documents

1 file

Issuer

Spero Therapeutics, Inc.

CIK 0001701108

Entity typeother

Related Parties

1
  • filerCIK 0001782817

Filing Metadata

Form type
4
Filed
Feb 4, 7:00 PM ET
Accepted
Feb 5, 8:31 PM ET
Size
10.1 KB