Mercer VP granted 7,188 RSUs as equity award

ALEKSON CYNTHIA MARGARET reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

ALEKSON CYNTHIA MARGARET reported acquisition or exercise transactions in this Form 4 filing.

Mercer International Inc. vice president and controller Cynthia Margaret Alekson received a grant of 7,188 restricted stock units tied to Mercer common stock. This award is a form of equity-based compensation rather than an open‑market share purchase or sale.

Each restricted stock unit represents a contingent right to receive one share of Mercer common stock, or the cash value at the company’s election. The units will vest on January 1, 2029, provided she continues her service with Mercer through that date.

Insider Trade Summary

Grant/Award: 7,188 shares

Grant/Award 1 txn

Insider ALEKSON CYNTHIA MARGARET

Role VP, Controller

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	7,188	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 7,188 contracts (Direct)

Footnotes (2)

1. 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.
2. F2. Not applicable.

Key Figures

RSUs granted: 7,188 units Total RSUs after grant: 7,188 units Exercise/settlement price: $0.00 per unit +1 more

4 metrics

RSUs granted 7,188 units Restricted stock unit award to VP, Controller

Total RSUs after grant 7,188 units Holdings of this RSU award following transaction

Exercise/settlement price $0.00 per unit Grant and conversion price for RSUs

Vesting date January 1, 2029 Restricted stock units vesting condition

Key Terms

Restricted Stock Units, contingent right, vest, equity-based compensation

4 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent right to receive one share of Mercer International Inc. common stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share of Mercer International Inc. common stock"

vest financial

"The restricted stock units vest on January 1, 2029 subject to the Reporting Person's continued service"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

equity-based compensation financial

"This award is a form of equity-based compensation rather than an open-market share purchase or sale"

Equity-based compensation is pay given to employees or contractors in the form of company ownership—such as stock, stock options, or restricted shares—instead of or in addition to cash. It matters to investors because it aligns workers’ interests with shareholders (like giving employees a slice of the company pie), but can also dilute existing owners and appears as a real cost on financial statements, affecting earnings and share value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did MERC report for Cynthia Margaret Alekson?

Mercer International reported that VP and controller Cynthia Margaret Alekson received 7,188 restricted stock units. This equity award is compensation granted by the company, not an open-market stock purchase or sale.

How many restricted stock units were granted in the latest MERC Form 4?

The filing shows a grant of 7,188 restricted stock units. These units each represent a contingent right to receive one Mercer International common share, or equivalent cash value at the company’s election.

When do Cynthia Margaret Alekson’s MERC restricted stock units vest?

The restricted stock units vest on January 1, 2029. Vesting is conditional on Cynthia Margaret Alekson’s continued service with Mercer International through that date, aligning the award with long-term employment and performance.

Does Mercer International receive cash from this Form 4 RSU grant?

The Form 4 reflects an equity compensation grant, so no cash changes hands like in a stock sale. Mercer International grants 7,188 restricted stock units as part of compensation, with settlement in shares or cash at the company’s election.

Is the MERC Form 4 transaction an insider share sale or purchase?

The reported transaction is a grant of restricted stock units, classified as an acquisition by award. It is not an open-market share purchase or sale, but part of Cynthia Margaret Alekson’s equity-based compensation package at Mercer International.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/05/2026 - 02:15 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

ALEKSON CYNTHIA MARGARET

(Last) (First) (Middle)

SUITE 1120

700 WEST PENDER STREET

(Street)

VANCOUVER BRITISH COLUMBIA V6C 1G8

(City) (State) (Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
MERCER INTERNATIONAL INC. [ MERC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Controller

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	06/04/2026		A		7,188(1)		(1)	(2)	Common Stock	7,188	$0	7,188	D

Explanation of Responses:

1. 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.

2. Not applicable.

	/s/Cynthia Margaret Alekson	06/05/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)