Peter R. Kellogg - 15 May 2026 Form 4 Insider Report for MERCER INTERNATIONAL INC. (MERC)

Reporting relationship
10%+ Owner
Issuer ticker
MERC
Reported as of
15 May 2026
Net transaction value
+$672,437
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
20 May 2026, 12:41:59 UTC
Prior SEC filing
15 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Marguerite Gorman, attorney-in-fact

Key filing fact

Peter R. Kellogg filed Form 4 for MERCER INTERNATIONAL INC. (MERC) on 20 May 2026.

Key facts

  • This page summarizes Peter R. Kellogg's Form 4 filing for MERCER INTERNATIONAL INC. (MERC).
  • 3 reported transactions and 0 derivative rows are listed below.
  • Accepted by SEC: 20 May 2026, 12:41.

Change

  • Previous filing in this sequence was filed on 15 May 2026.
  • Current net transaction value: +$672,437.

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 0000897485 Primary reporting owner

KELLOGG PETER R

Relationship
10%+ Owner
Address
48 WALL STREET C/O IAT INSURANCE CO. LTD, NEW YORK
Signature
/s/ Marguerite Gorman, attorney-in-fact
Signature date
20 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MERC transaction

Common Stock

Purchase

Transaction value
$203,584
Shares
+215,000
Change %
+17%
Price
$0.9469
Shares after
1,472,000
Date
15 May 2026
Ownership
Via Harco
MERC transaction

Common Stock

Purchase

Transaction value
$366,510
Shares
+380,000
Change %
+26%
Price
$0.9645
Shares after
1,852,000
Date
18 May 2026
Ownership
Via Harco
MERC transaction

Common Stock

Purchase

Transaction value
$102,344
Shares
+105,000
Change %
+5.7%
Price
$0.9747
Shares after
1,957,000
Date
19 May 2026
Ownership
Via Harco
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
965,929
Date
15 May 2026
Ownership
Direct
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
253,000
Date
15 May 2026
Ownership
Via E.G. Anderson Inc.
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,000,000
Date
15 May 2026
Ownership
Via Peter and Cynthia Kellogg Foundation
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,360,000
Date
15 May 2026
Ownership
Via Non Marital PRK Trust
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,300,000
Date
15 May 2026
Ownership
Via Spouse
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
2,000,000
Date
15 May 2026
Ownership
Via Bermuda Partners
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
10,000
Date
15 May 2026
Ownership
Via Cardia Company Inc.
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
13,475,000
Date
15 May 2026
Ownership
Via IAT Insurance Co. Ltd.
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
10,000
Date
15 May 2026
Ownership
Via C. Kellogg & P Kellogg TTEE U/W Charles A Kirkland Trust
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
35,000
Date
15 May 2026
Ownership
Via the Myth and Barnegat Restoration Society, Inc.
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
10,000
Date
15 May 2026
Ownership
Via C. Kellogg & P Kellogg TTEE U/W Anne Kirkland Trust
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
100,000
Date
15 May 2026
Ownership
Via Acceptance Casualty
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
225,000
Date
15 May 2026
Ownership
Via Acceptance Indemnity
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
630,000
Date
15 May 2026
Ownership
Via Wilshire
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
540,000
Date
15 May 2026
Ownership
Via Transguard
MERC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
510,000
Date
15 May 2026
Ownership
Via Occidental
* marks a reported price that did not pass the local price check.
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