Filing Details

Accession Number:
0000950170-23-045448
Form Type:
4
Zero Holdings:
No
Publication Time:
2023-08-30 16:22:54
Reporting Period:
2023-08-28
Accepted Time:
2023-08-30 16:22:54
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1701108 Spero Therapeutics Inc. SPRO () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1433991 L Tamara Joseph C/O Spero Therapeutics, Inc.
675 Massachusetts Avenue, 14Th Floor
Cambridge MA 02139
Chief Legal Officer No No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2023-08-28 1,854 $1.26 322,790 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. The reported transaction is a sale of common stock effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted to the Reporting Person on August 26, 2021 pursuant to a "sell to cover" provision included in the RSU Agreement.