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Mercer International Inc.

MERC
Exchange
Nasdaq
Industry
Pulp Mills
SEC CIK
0001333274

In the last 90 days, Mercer International Inc. insiders filed 1 open-market purchase and 0 sales; 67 institutions reported holding it in 13F filings for Q2 2026, worth $16.6M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Mercer International Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $362.7K in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$362.7K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Mercer International Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Mercer International Inc.
NameTitleLast reported holdingLast filingFilings, past year
Kellogg Peter R10% Owner1,385,672Jul 8, 20267
Heine Eric XavierVP Sales, Marketing& Logistics20,330Jun 5, 20261
Ridder WolframSenior VP, Innovation & Gov.73,755Jun 5, 20261
Stannus GenevieveVP, Treasurer41,572Jun 5, 20261
Short Richard GeorgeCFO & Secretary51,382Jun 5, 20261
Koppensteiner AdolfCOO, Pulp Products41,344Jun 5, 20261
Arguin GuyChief Human Resources Officer–Jun 5, 20261
Bueno Estrada Juan CarlosCEO & President75,615Jun 5, 20261
Merforth CarstenCOO, Wood Products22,651Jun 5, 20261
Beck WolfgangSenior VP Global Wood Sourcing35,054Jun 5, 20261
Alekson Cynthia MargaretVP, Controller2,637Jun 5, 20261
Welty Linda JDirector36,290Jun 2, 20261
McCartney WilliamDirector113,650Jun 2, 20261
von Pentz MarkwartDirector27,933Jun 2, 20261
Shepherd JamesDirector133,471Jun 2, 20261
Corrick Thomas KevinDirector–Jun 2, 20261
Rettig RainerDirector74,396Jun 2, 20261
North JanineDirector2,000IndirectJun 2, 20261
Laberge AliceDirector2,000IndirectJun 2, 20262
Wallace Alan C.Director31,968Jun 9, 20250
Loeoef TorbjoernDirector–Jul 5, 20240
Nossol LeonhardGroup Controller for Europe87,031Feb 16, 20240
Merwin BrianSenior VP, Mass Timber55,958Feb 16, 20240
Purchase KeithDirector69,963May 2, 20230
Lee Jimmy S HExecutive Chairman1,934,868Feb 17, 20230
Ure David KentSenior Vice President, Finance72,145Feb 17, 20230
Gandossi David MCEO and President198,211Feb 17, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 8, 2026 (view filing)3:21 PM ETJun 1-1237 daysLateKellogg Peter R10% OwnerPPurchase+419.7K$0.864+$362.7K+43.5%1.39M after15 lots
May 20, 2026 (view filing)May 15-195 daysLateKellogg Peter R10% OwnerPPurchase+700.0K$0.9584+$670.9K+55.7%1.96M after3 lots
May 15, 2026 (view filing)May 12-143 daysLateKellogg Peter R10% OwnerPPurchase+300.0K$0.8743+$262.3K+31.3%1.26M after3 lots
Mar 10, 2026 (view filing)Jul 22, 2025231 daysLateKellogg Peter R10% OwnerPPurchase+70.0K$3.38+$236.6K+7.5%1.00M after
Feb 27, 2026 (view filing)Feb 252 daysLaberge AliceDirectorPPurchase+1.00K$1.90+$1.90K+100.0%2.00K after
Dec 9, 2025 (view filing)Oct 3-Nov 1367 daysLateKellogg Peter R10% OwnerPPurchase+978.5K$1.85+$1.81M+180.7%1.52M after28 lots
Dec 9, 2025 (view filing)Oct 3040 daysLateKellogg Peter R10% OwnerPPurchase+36.0K$2.07+$74.5K+5.9%646.0K after
Aug 19, 2025 (view filing)Aug 181 dayWelty Linda JDirectorPPurchase+10.0K$3.09+$30.9K+38.0%36.3K after
Aug 8, 2025 (view filing)Aug 8Same dayLaberge AliceDirectorPPurchase+2.00K$2.98+$5.96K+19.9%12.1K after
Aug 8, 2025 (view filing)Aug 71 dayLaberge AliceDirectorPPurchase+2.00K$2.99+$5.98K+24.8%10.1K after
Jul 23, 2025 (view filing)Jul 221 dayKellogg Peter R10% OwnerPPurchase+760.0K$3.25+$2.47M+49.4%2.30M after
Jul 9, 2025 (view filing)Jun 6-1033 daysLateKellogg Peter R10% OwnerPPurchase+142.0K$3.70+$524.8K+7.6%2.00M after9 lots
Jun 13, 2025 (view filing)Jun 112 daysBueno Estrada Juan CarlosPresident & CEOPPurchase+8.00K$3.77+$30.2K+11.8%75.6K after
May 12, 2025 (view filing)May 84 daysMerforth CarstenCOO, Wood ProductsPPurchase+7.00K$3.62+$25.3K+44.7%22.7K after
May 9, 2025 (view filing)May 72 daysBeck WolfgangSr. VP, Global Wood SourcingPPurchase+8.79K$3.60+$31.7K+33.5%35.1K after2 lots
May 6, 2025 (view filing)May 51 dayLaberge AliceDirectorPPurchase+1.00K$3.64+$3.64K+14.2%8.06K after
Nov 22, 2024 (view filing)Nov 202 daysHeine Eric XavierVice PresidentSSale−26.9K$6.22−$167.5K−57.0%20.3K after2 lots
Sep 17, 2024 (view filing)Sep 161 dayBueno Estrada Juan CarlosCEO & PresidentPPurchase+7.80K$6.70+$52.3K+13.0%67.6K afterAmended
Sep 11, 2024 (view filing)Sep 11Same dayRettig RainerDirectorPPurchase+4.00K$6.10+$24.4K+9.4%46.5K after
Sep 11, 2024 (view filing)Sep 11Same dayNorth JanineDirectorPPurchase+2.00K$6.04+$12.1KNew position2.00K after
Sep 9, 2024 (view filing)Sep 9Same dayRettig RainerDirectorPPurchase+5.00K$6.24+$31.2K+13.3%42.5K after
Sep 6, 2024 (view filing)Sep 6Same dayShort Richard GeorgeCFO and SECRETARYPPurchase+6.00K$5.70+$34.2K+13.2%51.4K after
Sep 5, 2024 (view filing)Sep 32 daysBeck WolfgangSenior VP, Global ProductPPurchase+18.5K$6.02+$111.4K+238.3%26.3K after
Aug 30, 2022 (view filing)Aug 264 daysRettig RainerDirectorSSale−12.0K$16.34−$196.1K−52.4%10.9K after
Aug 16, 2022 (view filing)Aug 16Same dayPurchase KeithDirectorSSale−10.0K$17.01−$170.1K−12.9%67.4K after
Mar 9, 2022 (view filing)Mar 7-82 daysKellogg Peter R10% OwnerPPurchase+11.0K$12.83+$141.2K+1.8%621.0K after2 lots
Dec 23, 2021 (view filing)Aug 16-Nov 30129 daysLateHeine Eric XavierVP,Sales,Marketing&LogisticsSSale−20.5K$11.16−$228.7K−33.7%40.3K after3 lots
Dec 23, 2021 (view filing)May 13224 daysHeine Eric XavierVP,Sales,Marketing&LogisticsSSale−7.00K$15.46−$108.2K−10.3%60.8K afterAmended
Dec 23, 2021 (view filing)Oct 19, 2020-Jan 11, 2021430 daysLateHeine Eric XavierVP,Sales,Marketing&LogisticsSSale−6.35K$8.77−$55.7K−8.8%65.8K after5 lots
Nov 9, 2021 (view filing)Nov 81 dayKellogg Peter R10% OwnerPPurchase+37.1K$10.47+$388.9K+6.5%610.0K after
Nov 8, 2021 (view filing)Nov 4-54 daysKellogg Peter R10% OwnerPPurchase+162.9K$10.44+$1.70M+39.7%572.9K after2 lots