Stocks · Health care · Pharmaceutical Preparations

Spero Therapeutics, Inc.

SPRO Clue Score50
United States Fiscal year ends December CIK 0001701108 Results filed 12 Aug 2026

What the insiders did Net buying

Insider
Date
Role
Action
Shares
Price
Amount
Sath Shukla
5 Feb 2024
CEO and President
Sold on a plan
45,093
$1.45
$65.38K
Sath Shukla
2 Feb 2024
CEO and President
Sold on a plan
30,901
$1.37
$42.33K
Sath Shukla
29 Aug 2023
CEO and President
Sold on a plan
4,163
$1.30
$5.41K
Sath Shukla
28 Aug 2023
CEO and President
Sold on a plan
1,854
$1.26
$2.34K

What was left out

Form 4 filings counted 197
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 23
Sales on a Rule 10b5-1 plan 4
Sales straight out of an exercise 24
Sales at will 53
Transactions with no price 0
Shares from compensation/vesting 13,007,082
Sales filed before the plan box existed 18
History held since 7 Nov 2017