Eric X. Heine - 04 Jun 2026 Form 4 Insider Report for MERCER INTERNATIONAL INC. (MERC)

Reporting relationship: VP Sales, Marketing& Logistics
Issuer ticker: MERC
Reported as of: 04 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 Jun 2026, 14:23:47 UTC
Prior SEC filing: 22 Nov 2024
Source filing: View source filing
Reporting owner signature: /s/Eric X. Heine

Key filing fact

Eric X. Heine filed Form 4 for MERCER INTERNATIONAL INC. (MERC) on 05 Jun 2026.

Key facts

This page summarizes Eric X. Heine's Form 4 filing for MERCER INTERNATIONAL INC. (MERC).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 05 Jun 2026, 14:23.

Change

Previous filing in this sequence was filed on 22 Nov 2024.
Current net transaction value: $0.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001331804 Primary reporting owner

Heine Eric Xavier

Relationship: VP Sales, Marketing& Logistics
Address: SUITE 1120-700 WEST PENDER STREET, VANCOUVER, BRITISH COLUMBIA, CANADA
Signature: /s/Eric X. Heine
Signature date: 05 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MERC transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +10,750
Change %
Price: $0.000000^*
Shares after: 10,750
Date: 04 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,750
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of Mercer International Inc. ("Mercer") common stock, or, at the company's election, the cash value thereof. The restricted stock units vest on January 1, 2029 subject to the Reporting Person's continued service to Mercer.

Footnote F2

Not applicable.