McKee Charlotte bought SION
September 17, 2026 · Form 4 insider transaction
McKee Charlotte bought 50,000 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 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
50,000
Price
$0.00
Total value
N/A
InsiderMcKee Charlotte
RoleOfficer
SecurityCommon Stock
Transaction codeA: Grant or award
Transaction dateSeptember 17, 2026
Filing dateSeptember 18, 2026
Shares owned after78,415
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Represents a grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. The RSUs will vest on June 17, 2027, subject to the Reporting Person's continued service with the Issuer as of the vesting date.