Insider Transactions Reported by 19 Insiders of Spero Therapeutics, Inc.

Symbol
SPRO on Nasdaq
Location
Cambridge, MA

Insiders trading volume in the past year

Spero Therapeutics, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
GSK plc 10%+ Owner $11,672,070 07 Nov 2022
Aquilo Capital Management, LLC 10%+ Owner $4,342,682 22 Sep 2022
Esther Rajavelu Chief Executive Officer, Chief Financial Officer and Chief Business Officer $2,060,596 -$111,577 -5.1% 07 Nov 2025
Timothy Keutzer Chief Operating Officer $1,457,295 -$47,438 -3.2% 28 Aug 2025
Ankit Mahadevia Director $1,385,489 -$66,938 -4.6% 28 Aug 2025
Sath Shukla CEO & President $1,354,769 -$121,160 -8.2% 03 Feb 2025
KAMAL HAMED Chief Medical Officer $1,079,720 01 Feb 2024
Tamara Joseph Chief Legal Officer $728,313 01 Feb 2024
Cristina Larkin Chief Operating Officer $140,321 01 Feb 2022
David A. Melnick Chief Medical Officer $138,416 01 Feb 2022
Milind Deshpande Director $66,761 12 Jun 2025
Kathleen Tregoning Director $54,750 12 Jun 2025
Scott Thomas Jackson Director $54,750 12 Jun 2025
Cynthia Smith Director $54,750 12 Jun 2025
PATRICK V.J.J. VINK Director $54,750 12 Jun 2025
FRANK E. THOMAS Director $54,750 12 Jun 2025
John C. Pottage Jr Director $54,750 12 Jun 2025
JEAN FRANCOIS FORMELA Director $8,400 17 Aug 2021
Stephen J. DiPalma Interim Chief Financial Officer Exhibit 24.1 - Power of Attorney 15 Jul 2023

Recent Insider Transactions by Companies or Individuals for Spero Therapeutics, Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.