Jonathan D. Root - 22 Jul 2025 Form 4 Insider Report for CARLSMED, INC.

Role: Director
Signature: /s/ Leonard Greenstein, as attorney-in-fact for Jonathan Root
Issuer symbol: CARL on Nasdaq
Transactions as of: 22 Jul 2025
Net transactions value: +$6,999,990
Form type: 4
Filing time: 24 Jul 2025, 20:27:10 UTC
Previous filing: 08 Jul 2025
Next filing: 07 Oct 2025
SEC: View on sec.gov

Quoteable Key Fact

"Jonathan D. Root filed Form 4 for CARLSMED, INC. on 24 Jul 2025."

Quick Takeaways

This page summarizes Jonathan D. Root's Form 4 filing for CARLSMED, INC..
16 reported transactions and 7 derivative rows are listed below.
Filing timestamp: 24 Jul 2025, 20:27.

What Changed

Previous filing in this sequence was filed on 08 Jul 2025.
Current net transaction value: +$6,999,990.

Why This Matters

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.

Source Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ROOT JONATHAN D	Director	C/O CARLSMED, INC., 1800 ASTON AVE., SUITE 100, CARLSBAD	/s/ Leonard Greenstein, as attorney-in-fact for Jonathan Root	24 Jul 2025	0001225480

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CARL	Common Stock	Award	$0	+17,333		$0.000000	17,333	22 Jul 2025	Direct	F1, F2
transaction	CARL	Common Stock	Conversion of derivative security		+2,948,794			2,948,794	24 Jul 2025	See footnotes	F3, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+825,135	+28%		3,773,929	24 Jul 2025	See footnotes	F3, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+531,877	+14%		4,305,806	24 Jul 2025	See footnotes	F3, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+149,655			149,655	24 Jul 2025	See footnotes	F4, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+41,876	+28%		191,531	24 Jul 2025	See footnotes	F4, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+26,993	+14%		218,524	24 Jul 2025	See footnotes	F4, F6, F7
transaction	CARL	Common Stock	Conversion of derivative security		+1,117,743			1,117,743	24 Jul 2025	See footnotes	F5, F6, F7
transaction	CARL	Common Stock	Purchase	$6,999,990	+466,666	+2692%	$15.00	483,999	24 Jul 2025	Direct	F8, F9

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CARL	Series A Preferred Stock	Conversion of derivative security		-2,948,794	-100%		0	24 Jul 2025	Common Stock	2,948,794		See footnotes	F3, F6, F7
transaction	CARL	Series B Preferred Stock	Conversion of derivative security		-825,135	-100%		0	24 Jul 2025	Common Stock	825,135		See footnotes	F3, F6, F7
transaction	CARL	Series C Preferred Stock	Conversion of derivative security		-531,877	-100%		0	24 Jul 2025	Common Stock	531,877		See footnotes	F3, F6, F7
transaction	CARL	Series A Preferred Stock	Conversion of derivative security		-149,655	-100%		0	24 Jul 2025	Common Stock	149,655		See footnotes	F4, F6, F7
transaction	CARL	Series B Preferred Stock	Conversion of derivative security		-41,876	-100%		0	24 Jul 2025	Common Stock	41,876		See footnotes	F4, F6, F7
transaction	CARL	Series C Preferred Stock	Conversion of derivative security		-26,993	-100%		0	24 Jul 2025	Common Stock	26,993		See footnotes	F4, F6, F7
transaction	CARL	Series C Preferred Stock	Conversion of derivative security		-1,117,743	-100%		0	24 Jul 2025	Common Stock	1,117,743		See footnotes	F5, F6, F7

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Constitute 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 equal annual installments over three years.
F2	Includes 17,333 unvested restricted stock units convertible into approximately 17,333 shares of the Issuer's common stock.
F3	Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").
F4	Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").
F5	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").
F6	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.
F7	These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.
F8	Includes 466,666 shares of the Issuer's common stock purchased by the Reporting Person in the Issuer's initial public offering at the public offering price of $15.00 per share. The purchase was made directly from the underwriters in connection with the offering.
F9	Includes (i) 466,666 shares of the Issuer's common stock purchased by the reporting person in the Issuer's initial public offering at the public offering price of $15.00 per share, and (ii) 17,333 unvested RSUs convertible into approximately 17,333 shares of the Issuer's common stock. The RSUs will vest in equal annual installments over three years.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .