CARLSMED director granted 13,698 RSUs

Sidow Kevin reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 06/22/2026 - 06:11 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Sidow Kevin reported acquisition or exercise transactions in this Form 4 filing.

CARLSMED, INC. director Kevin Sidow reported receiving an equity award in the form of 13,698 restricted stock units, each convertible into one share of Common Stock upon vesting. These RSUs vest in full on the earlier of the day before the company’s 2027 annual stockholder meeting or June 3, 2027, if he continues serving on the Board through that date. Following this grant, Sidow directly holds 73,264 shares of Common Stock, reflecting a routine, compensation-related increase in his equity stake.

Insider Trade Summary

Grant/Award: 13,698 shares

Grant/Award 1 txn

Insider Sidow Kevin

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	13,698	$0.00	$0.00

Holdings After Transaction: Common Stock — 73,264 shares (Direct)

Footnotes (1)

1. 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.

Key Figures

RSU grant size: 13,698 RSUs Shares following transaction: 73,264 shares Vesting latest date: June 3, 2027 +1 more

4 metrics

RSU grant size 13,698 RSUs Award of restricted stock units to director Kevin Sidow

Shares following transaction 73,264 shares Kevin Sidow direct Common Stock holdings after RSU grant

Vesting latest date June 3, 2027 RSUs vest no later than this date, subject to continued Board service

Alternative vesting trigger Day before 2027 annual meeting RSUs vest on earlier of this date or June 3, 2027

Key Terms

restricted stock units ("RSUs"), vesting, Board of Directors, annual meeting of stockholders

4 terms

restricted stock units ("RSUs") financial

"Constitutes an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share..."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

vesting financial

"for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

Board of Directors financial

"subject, in all cases, to the Reporting Person's continued service as a member of the Board of Directors through such vesting date."

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

annual meeting of stockholders financial

"on the earlier of (i) the day before the Issuer's 2027 annual meeting of stockholders or (ii) June 3, 2027"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did CARLSMED (CARL) director Kevin Sidow report?

Director Kevin Sidow reported receiving an award of 13,698 restricted stock units. Each RSU represents a right to receive one share of CARLSMED Common Stock upon vesting, increasing his direct holdings to 73,264 shares after the grant.

How many CARLSMED (CARL) shares does Kevin Sidow hold after this Form 4 filing?

After the reported RSU grant, Kevin Sidow directly holds 73,264 shares of CARLSMED Common Stock. This total includes the effect of the 13,698 restricted stock units awarded to him, which are structured as equity compensation tied to future vesting.

When do Kevin Sidow’s CARLSMED (CARL) RSUs from this award vest?

The 13,698 RSUs granted to Kevin Sidow vest in full on the earlier of the day before CARLSMED’s 2027 annual meeting of stockholders or June 3, 2027. Vesting is conditioned on his continued service on the Board through that date.

What type of equity award did CARLSMED (CARL) grant to director Kevin Sidow?

CARLSMED granted Kevin Sidow restricted stock units, or RSUs, covering 13,698 shares of Common Stock. Each RSU entitles him to receive one share when it vests, making this a compensation-related acquisition rather than an open-market stock purchase.

Is Kevin Sidow’s CARLSMED (CARL) Form 4 transaction a stock purchase or a grant?

The Form 4 shows a grant or award acquisition, not an open-market purchase. Kevin Sidow received 13,698 restricted stock units as director compensation, coded as a grant, which will convert into shares upon satisfying the vesting conditions described.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sidow Kevin

(Last) (First) (Middle)

C/O CARLSMED, INC.

1800 ASTON AVE., SUITE 100

(Street)

CARLSBAD CALIFORNIA 92008

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CARLSMED, INC. [ CARL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/03/2026		A		13,698(1)	A	$0	73,264	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	/s/ Leonard Greenstein, as attorney-in-fact for Kevin Sidow	06/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)