InsiderClue
Stocks · Health care · Pharmaceutical Preparations

Spero Therapeutics, Inc.

SPRO Clue Score50
United States Fiscal year ends December CIK 0001701108 Results filed 12 Aug 2026
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What the insiders did Net buying

Individual transactions

24
Insider
Date
Role
Action
Shares
Price
Amount
Ankit Mahadevia
27 Dec 2021
CEO and President
Sold after exercise
8,000
$14.58
$116.67K
Cristina Larkin
16 Dec 2020
Chief Operating Officer
Sold after exercise
12,000
$19.00
$228.00K
Ankit Mahadevia
4 Nov 2020
CEO and President
Sold after exercise
7,370
$14.43
$106.34K
Ankit Mahadevia
3 Nov 2020
CEO and President
Sold after exercise
2,137
$14.27
$30.49K
Ankit Mahadevia
23 Oct 2020
CEO and President
Sold after exercise
20
$14.25
$285.00
Ankit Mahadevia
14 Oct 2020
CEO and President
Sold after exercise
105
$14.25
$1.50K
Ankit Mahadevia
13 Oct 2020
CEO and President
Sold after exercise
14,367
$14.28
$205.21K
Ankit Mahadevia
8 Sep 2020
CEO and President
Sold after exercise
774
$14.25
$11.03K
Ankit Mahadevia
9 Jul 2020
CEO and President
Sold after exercise
2,293
$14.31
$32.81K
Ankit Mahadevia
7 Jul 2020
CEO and President
Sold after exercise
754
$14.25
$10.74K
Ankit Mahadevia
25 Jun 2020
CEO and President
Sold after exercise
2,642
$14.25
$37.65K
Ankit Mahadevia
24 Jun 2020
CEO and President
Sold after exercise
3,880
$14.28
$55.42K
Ankit Mahadevia
23 Jun 2020
CEO and President
Sold after exercise
8,045
$14.33
$115.26K
Ankit Mahadevia
22 Jun 2020
CEO and President
Sold after exercise
2,613
$14.30
$37.36K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
200
$17.92
$3.58K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
200
$17.90
$3.58K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
100
$17.71
$1.77K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
100
$17.62
$1.76K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
400
$17.58
$7.03K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
100
$17.55
$1.75K
Ankit Mahadevia
6 Jul 2018
See Remarks
Sold after exercise
500
$17.50
$8.75K
Ankit Mahadevia
5 Jul 2018
See Remarks
Sold after exercise
3,076
$17.62
$54.20K
Joel Sendek
5 Jul 2018
Chief Financial Officer
Sold after exercise
2,000
$17.50
$35.00K
Cristina Larkin
5 Jul 2018
Chief Operating Officer
Sold after exercise
4,000
$17.50
$70.00K
Show all 115 transactions →

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