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Total Value
$63.4K
Net $63.4K sold
Filing Date
May 6, 2026
1 transaction
Sales
$63.4K
1 transaction

Trade Summary

On May 4, 2026, Rajavelu Esther, Insider, sold $63.4K of Spero Therapeutics, Inc. (SPRO) across 1 transaction. The filing covers Common Stock and reflects net selling of $63.4K. Reported prices ranged from $2.51. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Company Information

Ticker Symbol
SPRO
CIK
0001701108

Insider Information

Role
Insider
Location
CAMBRIDGE, MA

Filing Details

Filing Date
May 6, 2026
Transaction Date
May 4, 2026
Accession Number
0001193125-26-209884
Form Type
4
Net Trading Amount
-$63.4K

Non-Derivative Transactions

DateSecuritySharesPriceTypeValue
May 4, 2026Common Stock25,240$2.51Sale$63.4K

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Footnotes

  1. (F1)Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC Filing

View on SEC Daily

View the complete filing document on SEC Daily.