Jay David Caplan - 15 Dec 2025 Form 4 Insider Report for FRACTYL HEALTH, INC. (GUTS)

Reporting relationship: President, Chief Product Off.
Issuer ticker: GUTS
Reported as of: 15 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Dec 2025, 18:00:05 UTC
Prior SEC filing: 03 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Harith Rajagopalan, Attorney-in-fact

Key filing fact

Jay David Caplan filed Form 4 for FRACTYL HEALTH, INC. (GUTS) on 17 Dec 2025.

Key facts

This page summarizes Jay David Caplan's Form 4 filing for FRACTYL HEALTH, INC. (GUTS).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 17 Dec 2025, 18:00.

Change

Previous filing in this sequence was filed on 03 Mar 2025.
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 0001419217 Primary reporting owner

Caplan Jay David

Relationship: President, Chief Product Off.
Address: 3 VAN DE GRAAFF DRIVE, SUITE 200, BURLINGTON
Signature: /s/ Harith Rajagopalan, Attorney-in-fact
Signature date: 17 Dec 2025

Reported derivative securities

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

GUTS transaction Derivative

Stock Option (right to buy)

Award

Transaction value: $0
Shares: +845,226
Change %
Price: $0.000000
Shares after: 845,226
Date: 15 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 845,226
Exercise price: $2.24
Footnotes: F1

^* 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 stock option vests and becomes exercisable in equal installments on each of the first three anniversaries of the grant date, subject to the Reporting Persons's continuing in employment through each such vesting date.