Form4insider filings, from the source

Company · CIK 0001333274 · SIC 2611 — Pulp Mills · Nasdaq

MERCER INTERNATIONAL INC. · MERC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $363k · 1sales $0 · 0net $363k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 1, 2026 PForm 4 →Jul 8, 3:21 pm EDTPeter R Kellogg10% Owner419,743$0.864$362,6651,385,672+43.5% late

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 4, 2026 AForm 4 →Jun 5, 3:09 pm EDTWolfram RidderSenior VP, Innovation & Gov.18,665——18,665—
Jun 4, 2026 AForm 4 →Jun 5, 3:02 pm EDTWolfgang BeckSenior VP Global Wood Sourcing12,967——12,967—
Jun 4, 2026 AForm 4 →Jun 5, 2:54 pm EDTRichard George ShortCFO & Secretary31,504——31,504—
Jun 4, 2026 AForm 4 →Jun 5, 2:47 pm EDTGuy ArguinChief Human Resources Officer13,612——13,612—
Jun 4, 2026 AForm 4 →Jun 5, 2:32 pm EDTGenevieve StannusVP, Treasurer8,583——8,583—
Jun 4, 2026 AForm 4 →Jun 5, 2:23 pm EDTEric Xavier HeineVP Sales, Marketing& Logistics10,750——10,750—
Jun 4, 2026 AForm 4 →Jun 5, 2:15 pm EDTCynthia Margaret AleksonVP, Controller7,188——7,188—
Jun 4, 2026 AForm 4 →Jun 5, 2:01 pm EDTCarsten MerforthCOO, Wood Products26,764——26,764—
Jun 4, 2026 AForm 4 →Jun 5, 1:53 pm EDTAdolf KoppensteinerCOO, Pulp Products30,505——30,505—
Jun 4, 2026 AForm 4 →Jun 5, 1:44 pm EDTEstrada Juan Carlos BuenoCEO & President, Director126,808——126,808—