# EDGAR Filing Document

**Accession Number:** 0001424543
**File Stem:** 0001628280-25-048273
**Filing Date:** 2025-11
**Character Count:** 5365
**Document Hash:** bc90f3e9b7534ed5a90e6088e7d20b57
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-25-048273.hdr.sgml**: 20251103

**ACCESSION NUMBER**: 0001628280-25-048273

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251030

**FILED AS OF DATE**: 20251103

**DATE AS OF CHANGE**: 20251103

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Somasundaram Sivasankaran
- **CENTRAL INDEX KEY:** 0001424543

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42812
- **FILM NUMBER:** 251444390

**MAIL ADDRESS:**
- **STREET 1:** C/O APERGY CORPORATION
- **STREET 2:** 2445 TECHNOLOGY FOREST BLVD, BLD 4, FL 9
- **CITY:** THE WOODLANDS
- **STATE:** TX
- **ZIP:** 77381
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Solstice Advanced Materials Inc.
- **CENTRAL INDEX KEY:** 0002064953
- **STANDARD INDUSTRIAL CLASSIFICATION:** AIRCRAFT ENGINES & ENGINE PARTS [3724]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 332919563
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 115 TABOR ROAD
- **CITY:** MORRIS PLAINS
- **STATE:** NJ
- **ZIP:** 07950
- **BUSINESS PHONE:** 704-627-6200

**MAIL ADDRESS:**
- **STREET 1:** 115 TABOR ROAD
- **CITY:** MORRIS PLAINS
- **STATE:** NJ
- **ZIP:** 07950

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Solstice Advanced Materials, LLC
- **DATE OF NAME CHANGE:** 20250417

## Ex-24

CONFIRMING STATEMENT

This Statement confirms that the undersigned has authorized and designated Brian Rudick and Jay Shah (the "Designees") to execute and file on the undersigned's behalf all Forms 3, 4, and 5 (including any amendments thereto) that the undersigned may be required to file with the U.S. Securities and Exchange Commission as a result of the undersigned's ownership of or transactions in securities of Solstice Advanced Materials Inc. The authority of the Designees under this Statement shall continue until the undersigned is no longer required to file Forms 4 and 5 with regard to the undersigned's ownership of or transactions in securities of Solstice Advanced Materials Inc., unless earlier revoked in writing. The undersigned acknowledges that the Designees are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

Date: October 30, 2025

---

| |
|:---|
| /s/ Sivasankaran Somasundaram |
| Sivasankaran Somasundaram |

---

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Somasundaram Sivasankaran<br><sub>(Last) (First) (Middle)</sub><br>C/O SOLSTICE ADVANCED MATERIALS INC.<br>115 TABOR ROAD<br><sub>(Street)</sub><br>MORRIS PLAINS, NJ 07950<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Solstice Advanced Materials Inc. [ SOLS ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-10-30 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

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|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

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|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Brian Rudick for Sivasankaran Somasundaram  
**Date:** 2025-11-03

### Remarks:

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.**