# EDGAR Filing Document

**Accession Number:** 0001938569
**File Stem:** 0001493152-25-017262
**Filing Date:** 2025-10
**Character Count:** 6818
**Document Hash:** 7908f4fd5ad673ea839a781193ad3e18
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-25-017262.hdr.sgml**: 20251007

**ACCESSION NUMBER**: 0001493152-25-017262

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251007

**DATE AS OF CHANGE**: 20251007

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Palomino Laboratories Inc.
- **CENTRAL INDEX KEY:** 0001938569
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 881619619
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95213
- **FILM NUMBER:** 251379319

**BUSINESS ADDRESS:**
- **STREET 1:** 12 E. 49TH STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** (917) 200-3734

**MAIL ADDRESS:**
- **STREET 1:** 12 E. 49TH STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Unite Acquisition 3 Corp.
- **DATE OF NAME CHANGE:** 20220719
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Denbaars Steven
- **CENTRAL INDEX KEY:** 0001700533

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**MAIL ADDRESS:**
- **STREET 1:** 283 ELDERBERRY DRIVE
- **CITY:** GOLETA
- **STATE:** CA
- **ZIP:** 93117

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Palomino Laboratories Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.0001 per share**

*(Title of Class of Securities)*

**909233108**

*(CUSIP Number)*

**Steven DenBaars**<br>C/O 313 Bryant Court,<br>Palo Alto CA 94301<br>704-756-2981

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**09/29/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **909233108** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Steven DenBaars** | Name of reporting person<br>**Steven DenBaars** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[ ] (a)<br>[x] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**1750000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**1750000.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**1750000.00** | Aggregate amount beneficially owned by each reporting person<br>**1750000.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.4%** | Percent of class represented by amount in Row (11)<br>**9.4%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.0001 per share

**(b) Name of Issuer:**
Palomino Laboratories Inc.

**(c) Address of Issuer's Principal Executive Offices:**
313 Bryant Court, Palo Alto, CA, 94301

**Item 4. Purpose of Transaction**

The Reporting Person acquired the Common Stock in connection with the Merger and the Offering. The information contained in Item 3 of this Schedule 13D is incorporated herein by reference. The Reporting Person serves as a director of the Issuer. Accordingly, the Reporting Person may have influence over the corporate activities of the Issuer, including activities that may relate to items described in clauses (a) through (j) of Item 4 of this Schedule 13D. Subject to the Lock-Up Agreement described in Item 6 of this Schedule 13D, the Reporting Person may, from time to time, purchase or sell securities of the Issuer as appropriate for his personal circumstances. Except as described in this Schedule 13D, the Reporting Person does not have any present plans or proposals that relate to or would result in any of the actions described in clauses (a) through (j) of Item 4 of this Schedule 13D. The Reporting Person reserves the right to formulate plans and/or proposals and to take such actions with respect to their investment in the Issuer, including any or all of the actions set forth in clauses (a) through (j) of Item 4 of this Schedule 13D.

**Item 5. Interest in Securities of the Issuer**

**(a)**
1,750,000, of which 125,000 shares of Common Stock are obtainable upon exercise of the Reporting Person's Warrant. 9.35%

**(b)**
1,750,000.

**(c)**
There have been no other transactions in the shares of Common Stock effected by the Reporting Person during the past 60 days.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

The information set forth in Item 3 is incorporated herein by reference.

Lock-Up Agreement:

In connection with the execution of the Merger Agreement, the Reporting Person, and certain of the other officers and directors of the Issuer following the Merger, entered into a lock-up agreement with the Issuer (the "Lock-Up Agreement") for a term ending three (3) years after the Common Stock begins to trade on an Approved Market, whereby he has agreed to certain restrictions on the sale or disposition (including pledge) of all of the Common Stock issued in the Merger, but not in relation to the conversion of the SAFE agreement, and held by the Reporting Person.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Steven DenBaars

**Signature:** /s/ Steven DenBaars

**Name/Title:** Steven DenBaars

**Date:** 10/06/2025