Peter Kellogg buys 70,000 Mercer shares

Mercer International Inc. large shareholder Peter R. Kellogg reported an open-market purchase of 70,000 shares of common stock at $3.38 per share through the Peter and Cynthia Kellogg Foundation.

Accepted by SEC EDGAR 03/10/2026 - 01:18 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Mercer International Inc. large shareholder Peter R. Kellogg reported an open-market purchase of 70,000 shares of common stock at $3.38 per share through the Peter and Cynthia Kellogg Foundation. That foundation now holds 1,000,000 shares, while Kellogg also reports additional direct and indirect holdings through various trusts, entities, and related parties.

Insider Trade Summary

Net Buyer: 70,000 shares

Net Buy 1 txn

Insider KELLOGG PETER R

Role 10% Owner

Bought 70,000 shs ($237K)

Increase in Position 7.5%

Type	Security	Shares	Price	Value
Purchase	Common Stock	70,000	$3.38	$237K
Holding	Common Stock	--	--	--
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Holdings After Transaction: Common Stock — 1,000,000 shares (Indirect, Via Peter and Cynthia Kellogg Foundation); Common Stock — 965,929 shares (Direct); Common Stock — 1,360,000 shares (Indirect, Via Non Marital PRK Trust); Common Stock — 1,000,000 shares (Indirect, Via Harco); Common Stock — 2,300,000 shares (Indirect, Via Spouse); Common Stock — 2,000,000 shares (Indirect, Via Bermuda Partners); Common Stock — 10,000 shares (Indirect, Via Cardia Company Inc.); Common Stock — 13,475,000 shares (Indirect, Via IAT Insurance Co. Ltd.); Common Stock — 210,000 shares (Indirect, Via E.G. Anderson Inc.); Common Stock — 10,000 shares (Indirect, Via C. Kellogg & P Kellogg TTEE U/W Charles A Kirkland Trust); Common Stock — 35,000 shares (Indirect, Via the Myth and Barnegat Restoration Society, Inc.); Common Stock — 10,000 shares (Indirect, Via C. Kellogg & P Kellogg TTEE U/W Anne Kirkland Trust); Common Stock — 100,000 shares (Indirect, Via Acceptance Casualty); Common Stock — 225,000 shares (Indirect, Via Acceptance Indemnity); Common Stock — 630,000 shares (Indirect, Via Wilshire); Common Stock — 540,000 shares (Indirect, Via Transguard); Common Stock — 510,000 shares (Indirect, Via Occidental)

Holdings Before and After: Common Stock, 930,000 to 1,000,000 shares (Indirect, Via Peter and Cynthia Kellogg Foundation)

Other Insiders: 1 other insider reported open-market purchases of this stock in the 30 days up to this filing.

FAQ

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

What insider transaction did MERCER INTERNATIONAL (MERC) report?

An entity associated with Peter R. Kellogg bought 70,000 Mercer International common shares. The purchase was an open-market transaction at $3.38 per share, reported on a Form 4 insider filing for this large shareholder.

At what price were the new MERC shares purchased by the Kellogg foundation?

The Peter and Cynthia Kellogg Foundation purchased 70,000 Mercer International shares at $3.38 per share. This open-market buy reflects the price paid for each share in the transaction reported in the Form 4 filing.

How many MERCER INTERNATIONAL shares does the Kellogg foundation hold after this trade?

After the 70,000-share purchase, the Peter and Cynthia Kellogg Foundation holds 1,000,000 Mercer International common shares. This position is reported as an indirect holding associated with large shareholder Peter R. Kellogg in the Form 4 filing.

Does Peter R. Kellogg hold MERC shares directly as well as indirectly?

Yes. The filing shows 965,929 Mercer International shares held directly, plus multiple indirect positions. These include holdings via trusts, family-related entities, and companies such as IAT Insurance Co. Ltd. and others listed in the Form 4 detail.

What is the overall direction of insider activity in this MERC Form 4?

The Form 4 shows net insider buying activity, with a single reported open-market purchase of 70,000 shares and no sales. Other table entries reflect existing direct and indirect holdings rather than additional buy or sell transactions.

Who is the reporting person on the MERC Form 4 filing?

The reporting person is Peter R. Kellogg, identified as a ten percent owner of Mercer International Inc. The Form 4 details both his direct holdings and multiple indirect holdings through foundations, trusts, and affiliated entities.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

KELLOGG PETER R

(Last) (First) (Middle)

48 WALL STREET C/O IAT INSURANCE CO. LTD

(Street)

NEW YORK NY 10005

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/22/2025

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

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

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

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
Common Stock	07/22/2025		P		70,000	A	$3.38	1,000,000	I	Via Peter and Cynthia Kellogg Foundation
Common Stock								965,929	D
Common Stock								1,360,000	I	Via Non Marital PRK Trust
Common Stock								1,000,000	I	Via Harco
Common Stock								2,300,000	I	Via Spouse
Common Stock								2,000,000	I	Via Bermuda Partners
Common Stock								10,000	I	Via Cardia Company Inc.
Common Stock								13,475,000	I	Via IAT Insurance Co. Ltd.
Common Stock								210,000	I	Via E.G. Anderson Inc.
Common Stock								10,000	I	Via C. Kellogg & P Kellogg TTEE U/W Charles A Kirkland Trust
Common Stock								35,000	I	Via the Myth and Barnegat Restoration Society, Inc.
Common Stock								10,000	I	Via C. Kellogg & P Kellogg TTEE U/W Anne Kirkland Trust
Common Stock								100,000	I	Via Acceptance Casualty
Common Stock								225,000	I	Via Acceptance Indemnity
Common Stock								630,000	I	Via Wilshire
Common Stock								540,000	I	Via Transguard
Common Stock								510,000	I	Via Occidental

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

Explanation of Responses:

	/s/ Marguerite Gorman, attorney-in-fact	03/10/2026
	** 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.