Firefly (FLY) CEO Kim Jesung Withholds 86,265 Shares for Taxes

What Happened Kim Jesung, CEO of Firefly Aerospace Inc. (FLY), had 86,265 shares of common stock withheld by the company to satisfy tax withholding obligations upon the vesting of restricted stock units. The shares were valued at $20.28 each for a total of $1,749,454. The transaction is reported as a disposition under code F (tax withholding).

Key Details

• Transaction date: 2026-09-16; Form 4 filed: 2026-09-18 (timely filing).
• Shares withheld/disposed: 86,265 at $20.28 per share; total value reported $1,749,454.
• Transaction code: F — shares withheld by issuer to cover tax withholding on vested RSUs (footnote F1).
• Shares owned after the transaction: Not specified in the provided filing excerpt.
• Exhibit noted: 24.1 — Power of Attorney included with the filing.

Context This was a tax-withholding/net-share settlement related to RSU vesting, a routine administrative disposition rather than an open-market sale or purchase. Such withholdings are common and do not necessarily indicate the insider’s view on the company’s stock.