Timothy Keutzer Spero Therapeutics, Inc. (SPRO) insider trading activity

SPRO Quotes by TradingView

Timothy Keutzer is Chief Operating Officer of Spero Therapeutics, Inc.. Currently has a direct ownership of 739,744 shares of SPRO, which is worth approximately $1.78 Million. The most recent transaction as insider was on Aug 28, 2025, when has been sold 1,695 shares (Common Stock) at a price of $1.97 per share, resulting in proceeds of $3,339. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 740K
0% 3M change
39.09% 12M change
Total Value Held $1.78 Million

Timothy Keutzer Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 28 2025
SELL
Open market or private sale
$3,339 $1.97 p/Share
1,695 Reduced 0.23%
739,744 Common Stock
Feb 05 2025
SELL
Open market or private sale
$44,098 $0.78 p/Share
56,537 Reduced 7.09%
741,439 Common Stock
Feb 03 2025
BUY
Grant, award, or other acquisition
-
266,139 Added 25.01%
797,976 Common Stock
Aug 27 2024
SELL
Open market or private sale
$2,987 $1.35 p/Share
2,213 Reduced 0.41%
531,837 Common Stock
Feb 02 2024
SELL
Open market or private sale
$42,120 $1.36 p/Share
30,971 Reduced 5.48%
534,050 Common Stock
Feb 01 2024
BUY
Grant, award, or other acquisition
-
239,731 Added 29.79%
565,021 Common Stock
Aug 28 2023
SELL
Open market or private sale
$2,336 $1.26 p/Share
1,854 Reduced 0.57%
325,290 Common Stock
Feb 02 2023
SELL
Open market or private sale
$6,312 $1.86 p/Share
3,394 Reduced 1.03%
327,144 Common Stock
Feb 01 2023
BUY
Grant, award, or other acquisition
-
265,957 Added 44.59%
330,538 Common Stock
Feb 01 2022
BUY
Grant, award, or other acquisition
-
38,014 Added 37.05%
64,581 Common Stock
Aug 26 2021
BUY
Grant, award, or other acquisition
-
24,067 Added 47.53%
26,567 Common Stock
TK

Timothy Keutzer

Chief Operating Officer
Cambridge, MA

Track Institutional and Insider Activities on SPRO

Follow Spero Therapeutics, Inc. and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells SPRO shares.

Notify only if

Insider Trading

Get notified when an Spero Therapeutics, Inc. insider buys or sells SPRO shares.

Notify only if

News

Receive news related to Spero Therapeutics, Inc.

Choose your preferred platform and Sign Up 👇 Telegram Email
Track Activities on SPRO