CARLSMED, INC.

CARL

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001193125-26-091468
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026
Reporting Owners: Cordonnier Michael (CEO)

Summary

Type

Sell

Net shares

-197,855

% of shares

-12.73%

Amount (USD)

$2,629,888

Insider confidence score

37.5 out of 100

Positive

  • Tax withholding obligation

Negative

  • Large tax withholding sell (≥1% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-02

Code

M

Net shares

+197,855.0

Price per Share

$0.34

Amount (USD)

$66,281.43

Acquired/Disposed

Acquired

Shares Owned Before

1,356,646.0

Shares Owned After

1,554,501.0

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-02

Code

S

Net shares

-197,855.0

Price per Share

$13.29

Amount (USD)

$2,629,888.66

Acquired/Disposed

Disposed

Shares Owned Before

1,554,501.0

Shares Owned After

1,356,646.0

Transaction 3

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+160,567.0

Price per Share

$0.34

Amount (USD)

$53,789.95

Acquired/Disposed

Acquired

Shares Owned Before

1,356,646.0

Shares Owned After

1,517,213.0

Transaction 4

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+33,264.0

Price per Share

$4.35

Amount (USD)

$144,764.93

Acquired/Disposed

Acquired

Shares Owned Before

1,517,213.0

Shares Owned After

1,550,477.0

Derivative Transactions

Transaction 1

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-02

Code

M

Net shares

-197,855.0

Acquired/Disposed

Disposed

Shares Owned Before

358,422.0

Shares Owned After

160,567.0

Transaction 2

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-160,567.0

Acquired/Disposed

Disposed

Shares Owned Before

160,567.0

Shares Owned After

0.0

Transaction 3

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-33,264.0

Acquired/Disposed

Disposed

Shares Owned Before

224,956.0

Shares Owned After

191,692.0

Filing's footnotes

1. 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.

2. 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.

3. 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.

4. 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.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.