Rajavelu Esther

CIK: 0001903716See Remarks
Officer

Rajavelu Esther is a corporate insider (See Remarks) at Spero Therapeutics, Inc. (SPRO) filing SEC Form 4 transactions. 17 transactions across 2 companies, totaling $0 in purchases and $164,586 in sales. Source: SEC EDGAR.

Total Transactions
17
Total Buy Value
$0
Total Sell Value
$165K
Net Activity
$-165K
Last Transaction
May 2026
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Sale
Shares
25,240
Price
$2.51
Value
$63K
Type
Sale
Shares
50,816
Price
$2.36
Value
$120K
Type
Sale
Shares
37,101
Price
$2.36
Value
$88K
Type
Award
Shares
498,000
Price
$2.23
Value
$1.11M
Type
Sale
Shares
18,442
Price
$2.20
Value
$41K
Type
Award
Shares
249,000
Price
-
Value
-
Type
Sale
Shares
40,270
Price
$2.37
Value
$95K
Type
Award
Shares
185,000
Price
-
Value
-
Type
Sale
Shares
20,689
Price
$0.78
Value
$16K
Type
Award
Shares
100,000
Price
-
Value
-
Type
Award
Shares
266,139
Price
-
Value
-
Type
Sale
Shares
17,245
Price
$1.30
Value
$22K
Type
Sale
Shares
23,351
Price
$1.31
Value
$31K
Type
Award
Shares
119,866
Price
-
Value
-
Type
Award
Shares
300,000
Price
$0.00
Value
$0
Type
Award
Shares
160,000
Price
$0.00
Value
$0
Type
Award
Shares
200,000
Price
$0.00
Value
$0