OQROGet OQRO Pro
Insider trade

Spero Therapeutics (SPRO)Chief Operating Officer sold ~$7.8K

Timothy Keutzer, Chief Operating Officer at Spero Therapeutics, sold ~$7.8K of Spero Therapeutics shares.

~$7.8K
Approx. value · 3,471 sh @ $2.24
761K
Holds after · shares reported
Traded
Feb 4, 2026
Filed
Feb 5, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Jan 30, 2026Company filing · Form 8-K · Executive change, Other newsChanged a top executive or board member, and reported other company news“On January 30, 2026, Ankit Mahadevia, MD notified the Board of Directors (the “Board”) of Spero Therapeutics, Inc. (the “Company”) of his intention to resign from the Board, including from his service on the Development Committee of the Board and from all officer and director positions he holds with any and all subsidiaries of the Company, effective as of January 30, 2026.”
  2. Feb 2, 2026Insider · 2 peopleInsiders: 2 sales (~$82K)
  3. Feb 3, 2026InsiderOfficer sold ~$52K of SPRO shares in the open market
  4. Feb 4, 2026 · this disclosureInsiderOfficer sold ~$7.8K of SPRO shares in the open market

What came next

  1. Feb 6, 2026Insider · 2 peopleInsiders: 3 sales (~$252K)
  2. Mar 26, 2026Company filing · Form 8-K · ResultsReported its results
  3. May 4, 2026InsiderOfficer sold ~$63K of SPRO shares in the open market
  4. May 13, 2026Company filing · Form 8-K · ResultsReported its results
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Spero Therapeutics

OQRO holds no insider, Congress, fund or contract record for Spero Therapeutics dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SPRO page.

Other recent filings by Timothy Keutzer, Chief Operating Officer

The full history of Timothy Keutzer, Chief Operating Officer is on the profile page.

How this filing works

Other disclosures at Spero Therapeutics

Everything OQRO holds on this company is on its SPRO page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

Unlock OQRO ProAlready have an account? Log in

OQRO Pro is a paid subscription. You see the price before you pay

OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data