Jonathan D. Root - 03 Jun 2026 Form 4 Insider Report for CARLSMED, INC. (CARL)

Reporting relationship: Director
Issuer ticker: CARL
Reported as of: 03 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 Jun 2026, 06:02:01 UTC
Prior SEC filing: 07 Apr 2026
Next SEC filing: 17 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Leonard Greenstein, as attorney-in-fact for Jonathan Root

Key filing fact

Jonathan D. Root filed Form 4 for CARLSMED, INC. (CARL) on 22 Jun 2026.

Key facts

This page summarizes Jonathan D. Root's Form 4 filing for CARLSMED, INC. (CARL).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Jun 2026, 06:02.

Change

Previous filing in this sequence was filed on 07 Apr 2026.
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 0001225480 Primary reporting owner

ROOT JONATHAN D

Relationship: Director
Address: C/O CARLSMED, INC., 1800 ASTON AVE., SUITE 100, CARLSBAD
Signature: /s/ Leonard Greenstein, as attorney-in-fact for Jonathan Root
Signature date: 22 Jun 2026

Reported non-derivative transactions

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

CARL transaction

Common Stock

Award

Transaction value
Shares: +13,698
Change %: +2.8%
Price: $0.000000^*
Shares after: 497,697
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F1

CARL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,305,806
Date: 03 Jun 2026
Ownership: See footnotes
Footnotes: F2, F5

CARL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 218,524
Date: 03 Jun 2026
Ownership: See footnotes
Footnotes: F3, F5

CARL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,117,743
Date: 03 Jun 2026
Ownership: See footnotes
Footnotes: F4, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Constitutes an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. The RSUs will vest in full on the earlier of (i) the day before the Issuer's 2027 annual meeting of stockholders or (ii) June 3, 2027, subject, in all cases, to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

Footnote F2

Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

Footnote F3

Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

Footnote F4

Stock held by U.S. Venture Partners Select Fund I, L.P., ("USVP SFI") on its own behalf and as nominee for U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A").

Footnote F5

Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.