Jeffrey Bertolini - 05 Oct 2026 Form 4 Insider Report for CARLSMED, INC. (CARL)

Reporting relationship: Chief Operating Officer
Issuer ticker: CARL
Reported as of: 05 Oct 2026
Net transaction value: -$10,749
SEC form: 4
Accepted by SEC: 06 Oct 2026, 16:59:11 UTC
Prior SEC filing: 01 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Michael Cordonnier, as attorney-in-fact for Jeffrey Bertolini

Key filing fact

Jeffrey Bertolini filed Form 4 for CARLSMED, INC. (CARL) on 06 Oct 2026.

Key facts

This page summarizes Jeffrey Bertolini's Form 4 filing for CARLSMED, INC. (CARL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Oct 2026, 16:59.

Change

Previous filing in this sequence was filed on 01 Oct 2026.
Current net transaction value: -$10,749.

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 0002147819 Primary reporting owner

Bertolini Jeffrey

Relationship: Chief Operating Officer
Address: 1800 ASTON AVENUE, SUITE 100, CARLSBAD
Signature: /s/ Michael Cordonnier, as attorney-in-fact for Jeffrey Bertolini
Signature date: 06 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CARL transaction

Common Stock

Options Exercise

Transaction value
Shares: +747
Change %: +3.3%
Price: $5.92^*
Shares after: 23,236
Date: 05 Oct 2026
Ownership: Direct

CARL transaction

Common Stock

Sale

Transaction value: $10,749
Shares: -747
Change %: -3.2%
Price: $14.39
Shares after: 22,489
Date: 05 Oct 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

CARL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -747
Change %: -3.3%
Price: $0.000000^*
Shares after: 21,655
Date: 05 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 747
Exercise price: $5.92
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 12, 2026.

Footnote F2

25% of the original number of shares subject to the stock option vested on March 3, 2026, and the remaining 75% of the original number of shares subject to the stock option will vest in 1/36th installments on a monthly basis thereafter, subject to the Reporting Person's continued service through each such vesting date.