Breum Casper 4
4 · Spero Therapeutics, Inc. · Filed Jun 6, 2018
Insider Transaction Report
Form 4
Breum Casper
Director
Transactions
- Award
Stock Option (right to buy)
2018-06-05+6,073→ 6,073 totalExercise: $11.54Exp: 2028-06-05→ Common Stock (6,073 underlying)
Footnotes (1)
- [F1]The shares underlying this option will vest and become exercisable in full on June 5, 2019, subject to the Reporting Person's continued service as a director through the vesting date.