Beer Caroline Stark bought SION
October 1, 2025 · Form 4 insider transaction
Beer Caroline Stark bought 255,000 shares of Sionna Therapeutics, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
255,000
Price
$0.00
Total value
N/A
InsiderBeer Caroline Stark
Role—
SecurityNon-Qualified Stock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateOctober 1, 2025
Filing dateOctober 3, 2025
Shares owned after255,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
25% of the shares underlying this option shall vest on September 8, 2026, with the remainder vesting in thirty-six equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.