Frazier Life Sciences XI, L.P. sold ATTO
August 6, 2026 · Form 4 insider transaction
Frazier Life Sciences XI, L.P. sold 14,772,727 shares of ATTO at $0.00 per share, a transaction worth N/A. The trade was recorded as conversion of a derivative and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Disposed (sell-side)
Shares
14,772,727
Price
$0.00
Total value
N/A
Role10% owner
CompanyATTO
SecuritySeries A-2 Preferred Stock
Transaction codeC: Conversion of a derivative
Transaction dateAugust 6, 2026
Filing dateAugust 6, 2026
Shares owned after0
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The Series A-2 Preferred Stock automatically converted into shares of Common Stock of the Issuer on a 9.29:1 basis immediately upon closing of the IPO and had no expiration date.; The shares are held directly by Frazier Life Sciences XI, L.P. FHMLS XI, L.P. is the general partner of Frazier Life Sciences XI, L.P. and FHMLS XI, L.L.C. is the general partner of FHMLS XI, L.P.