PureTech Health plc sold SPTX

May 4, 2026 · Form 4 insider transaction

PureTech Health plc sold 8,421,052 shares of Seaport Therapeutics, Inc. 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 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
8,421,052
Price
$0.00
Total value
N/A
Role10% owner
SecuritySeries A-2 Preferred Stock
Transaction codeC: Conversion of a derivative
Transaction dateMay 4, 2026
Filing dateMay 6, 2026
Shares owned after0
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

Each share of Series A-1, Series A-2 and Series B Preferred Stock (collectively, the "Preferred Stock") was convertible into Common Stock of the Issuer on a one-for-3.1407 basis at the option of the holder, and automatically converted upon the closing of the Issuer's initial public offering without payment of further consideration. The Preferred Stock had no expiration date.; PureTech LYT, Inc. is the record holder of all of the securities reported in this Form 4. PureTech Health LLC is the sole owner of PureTech LYT, Inc. PureTech Health plc is the sole member of PureTech Health LLC, and has the power to direct the voting and disposition of securities held by PureTech LYT, Inc. and PureTech Health LLC.

View the original Form 4 on SEC EDGAR