Seaport Therapeutics Inc. (SPTX) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Seaport Therapeutics Inc.

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing

Ownership
2026-04-30
9:35 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXPureTech Health plc
PureTech LYT Inc.
10% Owner
0$016,685,013
(Indirect)
View

Ownership
2026-04-30
8:18 pm
N/A
2034-12-28
Seaport Therapeutics Inc.SPTXPETERSON SANDRA E
Director
0$089,300
(Direct)
View

Ownership
2026-04-30
8:17 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXZohar Daphne
Chief Executive Officer
0$03,959,558
(Direct)
View

Ownership
2026-04-30
8:14 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXTorres Denice
Director
0$0102,706
(Indirect)
View

Ownership
2026-04-30
8:14 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXWhite Lauren
Chief Financial Officer
0$0508,553
(Indirect)
View

Ownership
2026-04-30
8:10 pm
N/A
2034-08-11
Seaport Therapeutics Inc.SPTXWheadon David E.
Director
0$089,300
(Direct)
View

Ownership
2026-04-30
8:10 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXHEALY JAMES
Director
0$02,731,538
(Indirect)
View

Ownership
2026-04-30
8:09 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXPAUL STEVEN M
Director
0$02,537,784
(Direct)
View

Ownership
2026-04-30
8:09 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXARCH Venture Partners XII LLC
ARCH Venture Partners XII L.P.
ARCH Venture Fund XII L.P.
CRANDELL KEITH
NELSEN ROBERT
Burow Kristina
GILLIS STEVEN
10% Owner
0$05,194,951
(Indirect)
View

Ownership
2026-04-30
8:07 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXGladstein Lana
General Counsel
0$0370,488
(Direct)
View

Ownership
2026-04-30
8:05 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXChen Michael Cunyuan
Chief Scientific Officer
0$0571,958
(Direct)
View

Ownership
2026-04-30
8:05 pm
N/A
2035-03-02
Seaport Therapeutics Inc.SPTXHOMBACH ROBERT J.
Director
0$089,300
(Direct)
View

Ownership
2026-04-30
8:04 pm
N/A
N/A
Seaport Therapeutics Inc.SPTXLoebel Antony
Chief Medical Officer
0$0628,388
(Direct)
View