Zohar Daphne - 30 Apr 2026 Form 4 Insider Report for Seaport Therapeutics, Inc. (SPTX)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: SPTX
Reported as of: 30 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 04 May 2026, 18:18:24 UTC
Source filing: View source filing
Reporting owner signature: /s/ Lana Gladstein, Attorney-in-Fact

Key filing fact

Zohar Daphne filed Form 4 for Seaport Therapeutics, Inc. (SPTX) on 04 May 2026.

Key facts

This page summarizes Zohar Daphne's Form 4 filing for Seaport Therapeutics, Inc. (SPTX).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 04 May 2026, 18:18.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001727388 Primary reporting owner

Zohar Daphne

Relationship: Chief Executive Officer, Director
Address: SEAPORT THERAPEUTICS, INC., 101 SEAPORT BLVD., FLOOR 12, BOSTON
Signature: /s/ Lana Gladstein, Attorney-in-Fact
Signature date: 04 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SPTX transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +271,813
Change %
Price: $0.000000^*
Shares after: 271,813
Date: 30 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 271,813
Exercise price: $18.00
Footnotes: F1

SPTX transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
Shares: +1,486,786
Change %
Price: $0.000000^*
Shares after: 1,486,786
Date: 30 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,486,786
Exercise price: $18.00

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares underlying this option shall vest in forty-eight (48) equal monthly installments following April 30, 2026, subject to the Reporting Person's continued service on each such vesting date.