# EDGAR Filing Document

**Accession Number:** 0001218735
**File Stem:** 0001438934-25-001674
**Filing Date:** 2025-8
**Character Count:** 5637
**Document Hash:** 8f806ecd7900edcff18422008556934b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001438934-25-001674.hdr.sgml**: 20250826

**ACCESSION NUMBER**: 0001438934-25-001674

**CONFORMED SUBMISSION TYPE**: N-PX

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250826

**EFFECTIVENESS DATE**: 20250826

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MASON CAPITAL MANAGEMENT LLC
- **CENTRAL INDEX KEY:** 0001218735

**ORGANIZATION NAME:**
- **EIN:** 134121993
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** N-PX
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-10413
- **FILM NUMBER:** 251255660

**BUSINESS ADDRESS:**
- **STREET 1:** 110 EAST 59TH STREET
- **STREET 2:** 30TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022
- **BUSINESS PHONE:** 2127711206

**MAIL ADDRESS:**
- **STREET 1:** 110 EAST 59TH STREET
- **STREET 2:** 30TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10022

## FORM N-PX
### ANNUAL REPORT OF PROXY VOTING RECORD

## N-PX: Filer Information

**Filer CIK:** 0001218735

**Date of Report:** 06/30/2025

**Are you a Registered Management Investment Company or an Institutional Manager?:** Institutional Manager

**Is this a LIVE or TEST Filing?:** LIVE

**Is this an electronic copy of an official filing submitted in paper format?:** [ ]

### Submission Contact Information
_Not provided in this filing._

### Notification Information
**Notify via Filing Website only?:** [ ]

## N-PX: Cover Page

**Name of reporting person:** Mason Capital Management LLC

**Address:** 110 East 59th Street, New York, NY 10022

**Telephone number:** 212-771-1206

**Name of agent for service:** —

**Agent Address:** —, —, — —

**Reporting Period:** Report for the year ended 06/30/2025

**SEC File Number:** 028-10413

**CRD Number (if any):** —

**Other SEC File Number (if any):** —

**LEI (if any):** —

**Report Type (check only one):**

Institutional Manager.

- [x] Institutional Manager Voting Report

- [ ] Institutional Manager Notice Report

- [ ] Institutional Manager Combination Report

Registered Management Investment Company.

- [ ] Fund Voting Report

- [ ] Fund Notice Report

**Do you wish to provide explanatory information pursuant to Special Instruction B.4?:**

- [x] No

- [ ] Yes

**Additional information:** —

## N-PX: Summary - Included Managers

**Number of Included Institutional Managers:** 0

**Included Institutional Managers:** —

## FORM N-PX PROXY VOTING RECORD

| NAME OF ISSUER                         | CUSIP     | MEETING DATE   | VOTE DESCRIPTION                                                                                                                                                                                                                                                                       | VOTE CATEGORY                |   SHARES VOTED |   SHARES ON LOAN | HOW VOTED   | SHARES VOTED FOR OR AGAINST MANAGEMENT   | FOR OR AGAINST MANAGEMENT   | OTHER INFO   |
|:---|:---|:---|:---|:---|---:|---:|:---|:---|:---|:---|
| ATS CORPORATION                        | 00217Y104 | 08/09/2024     | An advisory resolution to approve the Corporation's approach to executive compensation, as described in the Corporation's management information circular.                                                                                                                             | SECTION 14A SAY-ON-PAY VOTES |       14349765 |                0 | FOR         | 14349765                                 | FOR                         |  |
| CLEAR CHANNEL OUTDOOR HOLDINGS, INC.   | 18453H106 | 05/29/2025     | Approval of the advisory (non-binding) resolution on executive compensation                                                                                                                                                                                                            | SECTION 14A SAY-ON-PAY VOTES |        9828401 |                0 | FOR         | 9828401                                  | FOR                         |  |
| FIRST QUANTUM MINERALS LTD.            | 335934105 | 05/08/2025     | BE IT RESOLVED, on an advisory basis, and not to diminish the role and responsibilities of the Board of Directors of the Company, that the shareholders accept the approach to executive compensation disclosed in the Company's Management Information Circular dated March 13, 2025. | SECTION 14A SAY-ON-PAY VOTES |        3864600 |                0 | FOR         | 3864600                                  | FOR                         |  |
| GRIFOLS, SA                            | E5706X215 | 06/04/2025     | CONSULTATIVE VOTE ON THE ANNUAL REMUNERATION REPORT                                                                                                                                                                                                                                    | SECTION 14A SAY-ON-PAY VOTES |              0 |                0 |  |  |  |  |
| OC OERLIKON CORPORATION AG, PFAEFFIKON | H59187106 | 04/01/2025     | APPROVE REMUNERATION REPORT                                                                                                                                                                                                                                                            | SECTION 14A SAY-ON-PAY VOTES |              0 |                0 |  |  |  |  |

## N-PX: Signature Block

**Reporting Person:** Mason Capital Management LLC

**By (Signature):** Michael Cutini

**By (Printed Signature):** Michael Cutini

**By (Title):** CCO

**Date:** 08/26/2024