# EDGAR Filing Document

**Accession Number:** 0002040467
**File Stem:** 0001321614-26-000005
**Filing Date:** 2026-4
**Character Count:** 9490
**Document Hash:** be2a0fed231e0ee1fb9f1cf2ee24ae82
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001321614-26-000005.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001321614-26-000005

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260414

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SEDAGHAT SHAWN
- **CENTRAL INDEX KEY:** 0001321614

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-10716
- **FILM NUMBER:** 26868474

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** WIESENSTRASSE 9
- **CITY:** ZURICH
- **PROVINCE COUNTRY:** V8
- **ZIP:** 8008
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Trend International Holding AG
- **CENTRAL INDEX KEY:** 0002040467

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-10716
- **FILM NUMBER:** 26868473

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** WIESENSTRASSE 9 ZURICH
- **CITY:** ZURICH
- **PROVINCE COUNTRY:** V8
- **BUSINESS PHONE:** 41 44 268 69 38

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** WIESENSTRASSE 9 ZURICH
- **CITY:** ZURICH
- **PROVINCE COUNTRY:** V8
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRIMAS CORP
- **CENTRAL INDEX KEY:** 0000842633
- **STANDARD INDUSTRIAL CLASSIFICATION:** METAL FORGING & STAMPINGS [3460]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 382687639
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 38505 WOODWARD AVENUE
- **STREET 2:** SUITE 200
- **CITY:** BLOOMFIELD HILLS
- **STATE:** MI
- **ZIP:** 48304
- **BUSINESS PHONE:** 2486315400

**MAIL ADDRESS:**
- **STREET 1:** 38505 WOODWARD AVENUE
- **STREET 2:** SUITE 200
- **CITY:** BLOOMFIELD HILLS
- **STATE:** MI
- **ZIP:** 48304

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>SEDAGHAT SHAWN<br><sub>(Last) (First) (Middle)</sub><br>WIESENSTRASSE 9<br><sub>(Street)</sub><br>ZURICH, SWITZERLAND 8008<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-14 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>TRIMAS CORP [ TRS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Trend International Holding AG<br><sub>(Last) (First) (Middle)</sub><br>WIESENSTRASSE 9<br><sub>(Street)</sub><br>ZURICH, SWITZERLAND 8008<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-14 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>TRIMAS CORP [ TRS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-04-14 |  | A |  | 640 | A | $39.03 | 4178300 | D<sup>(1)(2)</sup> |  |
| Common Stock |  |  |  |  |  |  |  | 1883758 | I | See footnote<sup>(3)(4)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) 7,633 of the securities reported herein, including the 640 securities subject to the transaction reported herein (the "Director Shares"), are directly held by Shawn Sedaghat ("Mr. Sedaghat"). Trend
International Holding AG ("Trend") does not have beneficial ownership of the Director Shares, and specifically disclaims beneficial ownership of the Director Shares for purposes of Section 16 of the
Securities Exchange Act of 1934, as amended ("Section 16"). This report shall not be deemed to be an admission that Trend is the beneficial owner of the Director Shares for purposes of Section 16, orfor any other purpose.

(2) 4,170,667 of the securities reported in Table One, Column Five are held directly by Trend. Mr. Sedaghat (and together with Trend, the "Reporting Persons") may be deemed to beneficially own suchreported securities by virtue of the fact that Mr. Sedaghat is the Chairman of the Board of, and controls, Trend. Each of Trend and Mr. Sedaghat disclaims beneficial ownership of such reported securitiesfor purposes of Section 16, except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed to be an admission that either Reporting Person is the beneficial owner ofsuch reported securities for purposes of Section 16, or for any other purpose.

(3) The securities reported herein are directly held by Swan Family Office, LLC ("Swan Family Office"). Mr. Sedaghat may be deemed to beneficially own the reported securities by virtue of the fact that Mr. Sedaghat is the Managing Member of Swan Family Office. Each of Swan Family Office and Mr. Sedaghat disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed to be an admission that either Swan Family Office or Mr. Sedaghat is the beneficial owner of such securities for purposes of Section 16, or for any other purpose.

(4) Trend does not have beneficial ownership of these securities, and specifically disclaims beneficial ownership of these securities. This report shall not be deemed to be an admission that Trend is thebeneficial owner of such securities for purposes of Section 16, or for any other purpose.

**Signature:** /s/ Jodi F. Robin, as attorney-in-fact  
**Date:** 2026-04-16

### 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.**