Frazier Life Sciences XI, L.P. bought ATTO
August 6, 2026 · Form 4 insider transaction
Frazier Life Sciences XI, L.P. bought 588,235 shares of ATTO at $17.00 per share, a transaction worth $10.00M. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
588,235
Price
$17.00
Total value
$10.00M
Role10% owner
CompanyATTO
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateAugust 6, 2026
Filing dateAugust 6, 2026
Shares owned after6,154,213
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
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.