Key facts
- This page summarizes Sath Shukla's Form 4 filing for Spero Therapeutics, Inc. (SPRO).
- 4 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 05 Feb 2025, 20:31.
Sath Shukla - 03 Feb 2025 Form 4 Insider Report for Spero Therapeutics, Inc. (SPRO)
- Reporting relationship
- CEO & President
- Issuer ticker
- SPRO
- Reported as of
- 03 Feb 2025
- Net transaction value
- -$121,160
- SEC form
- 4
- Accepted by SEC
- 05 Feb 2025, 20:31:31 UTC
- Prior SEC filing
- 29 Aug 2024
- Source filing
- View source filing
- Reporting owner signature
- /s/ Maegan Deare, Attorney-in-Fact for Sath Shukla
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Sath Shukla filed Form 4 for Spero Therapeutics, Inc. (SPRO) on 05 Feb 2025.
Change
- Previous filing in this sequence was filed on 29 Aug 2024.
- Current net transaction value: -$121,160.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SPRO
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +751,407
- Change %
- +66%
- Price
- $0.000000
- Shares after
- 1,892,216
- Date
- 03 Feb 2025
- Ownership
- Direct
- Footnotes
- F1
SPRO
transaction
Common Stock
Sale
- Transaction value
- $4,788
- Shares
- -6,139
- Change %
- -0.32%
- Price
- $0.7800
- Shares after
- 1,886,077
- Date
- 05 Feb 2025
- Ownership
- Direct
- Footnotes
- F2
SPRO
transaction
Common Stock
Sale
- Transaction value
- $33,373
- Shares
- -42,786
- Change %
- -2.3%
- Price
- $0.7800
- Shares after
- 1,843,291
- Date
- 05 Feb 2025
- Ownership
- Direct
- Footnotes
- F3
SPRO
transaction
Common Stock
Sale
- Transaction value
- $82,998
- Shares
- -106,408
- Change %
- -5.8%
- Price
- $0.7800
- Shares after
- 1,736,883
- Date
- 05 Feb 2025
- Ownership
- Direct
- Footnotes
- F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote 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.
Footnote 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.
Footnote 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.
Footnote 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.