Michael Cordonnier - 02 Mar 2026 Form 4 Insider Report for CARLSMED, INC. (CARL)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
04 Mar 2026, 16:05:03 UTC
Prior SEC filing
30 Jan 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Michael Cordonnier

Key filing fact

Michael Cordonnier filed Form 4 for CARLSMED, INC. (CARL) on 04 Mar 2026.

Key facts

  • This page summarizes Michael Cordonnier's Form 4 filing for CARLSMED, INC. (CARL).
  • 7 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 04 Mar 2026, 16:05.

Change

  • Previous filing in this sequence was filed on 30 Jan 2026.
  • Current net transaction value: -$2,629,889.

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 0002077087 Primary reporting owner

Cordonnier Michael

Relationship
CEO, President, Director
Address
C/O CARLSMED, INC., 1800 ASTON AVE., SUITE 100, CARLSBAD
Signature
/s/ Michael Cordonnier
Signature date
04 Mar 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
+197,855
Change %
+15%
Price
$0.3350*
Shares after
1,554,501
Date
02 Mar 2026
Ownership
Direct
CARL transaction

Common Stock

Sale

Transaction value
$2,629,889
Shares
-197,855
Change %
-13%
Price
$13.29
Shares after
1,356,646
Date
02 Mar 2026
Ownership
Direct
Footnotes
F1, F2
CARL transaction

Common Stock

Options Exercise

Transaction value
Shares
+160,567
Change %
+12%
Price
$0.3350*
Shares after
1,517,213
Date
03 Mar 2026
Ownership
Direct
CARL transaction

Common Stock

Options Exercise

Transaction value
Shares
+33,264
Change %
+2.2%
Price
$4.35*
Shares after
1,550,477
Date
03 Mar 2026
Ownership
Direct

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
-197,855
Change %
-55%
Price
$0.000000*
Shares after
160,567
Date
02 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
197,855
Exercise price
$0.3350
Footnotes
F3
CARL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares
-160,567
Change %
-100%
Price
$0.000000*
Shares after
0
Date
03 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
160,567
Exercise price
$0.3350
Footnotes
F3
CARL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares
-33,264
Change %
-15%
Price
$0.000000*
Shares after
191,692
Date
03 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
33,264
Exercise price
$4.35
Footnotes
F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Sale of shares to cover the exercise price, withholding tax obligations and broker fees and commissions, pursuant to a broker assisted cashless exercise of vested stock options granted on January 8, 2021 and February 19, 2025 under the Carlsmed, Inc. 2019 Stock Incentive Plan.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $13.000 to $14.030. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide, upon request, to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F3

25% of the shares underlying these options, representing a right to purchase a total of 358,422 shares, vested and became exercisable on December 15, 2021, with the remaining shares vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

Footnote F4

25% of the shares underlying these options, representing a right to purchase a total of 224,956 shares, vested and became exercisable on December 15, 2025, with the remaining shares vesting in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

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