Key facts
- This page summarizes Robert Mittendorff II's Form 4 filing for CARLSMED, INC..
- 9 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 24 Jul 2025, 20:31.
Robert Mittendorff II - 24 Jul 2025 Form 4 Insider Report for CARLSMED, INC.
- Reporting relationship
- Director
- Issuer ticker
- CARL on Nasdaq
- Reported as of
- 24 Jul 2025
- Net transaction value
- +$19,999,995
- SEC form
- 4
- Accepted by SEC
- 24 Jul 2025, 20:31:12 UTC
- Prior SEC filing
- 22 Jul 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Leonard Greenstein, as attorney-in-fact for Robert Mittendorff
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Robert Mittendorff II filed Form 4 for CARLSMED, INC. on 24 Jul 2025.
Change
- Previous filing in this sequence was filed on 22 Jul 2025.
- Current net transaction value: +$19,999,995.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001476171
Primary reporting owner
Mittendorff Robert II
- Relationship
- Director
- Address
- C/O CARLSMED, INC., 1800 ASTON AVE., SUITE 100, CARLSBAD
- Signature
- /s/ Leonard Greenstein, as attorney-in-fact for Robert Mittendorff
- Signature date
- 24 Jul 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CARL
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +3,680,506
- Change %
- Price
- Shares after
- 3,680,506
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Footnotes
- F1, F2, F5
CARL
transaction
Common Stock
Purchase
- Transaction value
- $19,999,995
- Shares
- +1,333,333
- Change %
- +36%
- Price
- $15.00
- Shares after
- 5,013,839
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Footnotes
- F2, F5
CARL
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +2,376,472
- Change %
- Price
- Shares after
- 2,376,472
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Footnotes
- F1, F3, F5
CARL
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +931,452
- Change %
- Price
- Shares after
- 931,452
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Footnotes
- F1, F4, F5
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
CARL
transaction
Derivative
Series B Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -1,445,020
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 1,445,020
- Exercise price
- Footnotes
- F1, F2, F5
CARL
transaction
Derivative
Series C Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -2,235,486
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 2,235,486
- Exercise price
- Footnotes
- F1, F2, F5
CARL
transaction
Derivative
Series B Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -1,445,020
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 1,445,020
- Exercise price
- Footnotes
- F1, F3, F5
CARL
transaction
Derivative
Series C Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -931,452
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 931,452
- Exercise price
- Footnotes
- F1, F3, F5
CARL
transaction
Derivative
Series C Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -931,452
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 24 Jul 2025
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 931,452
- Exercise price
- Footnotes
- F1, 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
Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Stock had no expiration date.
Footnote F2
Shares held by B Capital Global Growth III, L.P.
Footnote F3
Shares held by B Capital Healthcare I, L.P.
Footnote F4
Shares held by Hornet Co-Invest, L.P.
Footnote F5
B Capital Group Management, LP is the manager of B Capital Global Growth III and B Capital Healthcare I. Hornet-Co-Invest Investors, Ltd. is the ultimate general partner of Hornet Co-Invest (Hornet Co-Invest, L.P., together with B Capital Healthcare I, L.P., and B Capital Global Growth III, L.P., "B Capital"). The Reporting Person is a general partner of B Capital Group Management, LP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.