According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Mercer International are TenPercentOwner Peter R Kellogg (2.17Mn shares), Executive Chairman Jimmy S H Lee (1.93Mn shares), Ceo And President David M Gandossi (198.21K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Peter R Kellogg | 2,166,000 | 09 Dec, 2025 | |
| Jimmy S H Lee | Executive Chairman | 1,934,868 | 17 Feb, 2023 |
| David M Gandossi | Ceo And President | 198,211 | 17 Feb, 2022 |
| William Mccartney | 113,650 | 02 Jun, 2023 | |
| James Shepherd | 108,471 | 03 Jun, 2025 | |
| Leonhard Nossol | Group Controller For Europe | 87,031 | 16 Feb, 2024 |
| Estrada Juan Carlos Bueno | President & Ceo | 75,615 | 13 Jun, 2025 |
| Rainer Rettig | 74,396 | 03 Jun, 2025 | |
| Wolfram Ridder | Vp Of Business Development | 73,755 | 16 Feb, 2024 |
| David Kent Ure | Senior Vice President And Finance | 72,145 | 17 Feb, 2023 |
| Keith Purchase | 69,963 | 02 May, 2023 | |
| Alan C. Wallace | 59,901 | 03 Jun, 2025 | |
| Brian Merwin | Senior Vp And Mass Timber | 55,958 | 16 Feb, 2024 |
| Richard George Short | Cfo And Secretary | 51,382 | 06 Sep, 2024 |
| Genevieve Stannus | Vp And Treasurer | 41,572 | 16 Feb, 2024 |
| Adolf Koppensteiner | Coo And Pulp Products | 41,344 | 16 Feb, 2024 |
| Linda J Welty | 36,290 | 18 Aug, 2025 | |
| Wolfgang Beck | Sr. Vp And Global Wood Sourcing | 35,054 | 09 May, 2025 |
| Pentz Markwart Von | 27,933 | 03 Jun, 2025 | |
| Carsten Merforth | Coo And Wood Products | 22,651 | 10 May, 2025 |
| Eric Xavier Heine | Vice President | 20,330 | 22 Nov, 2024 |
| Janine North | 12,085 | 05 Oct, 2022 | |
| Alice Laberge | 12,065 | 08 Aug, 2025 | |
| Cynthia Margaret Alekson | Vp And Controller | 2,637 | 16 Feb, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Nov, 2025 | Peter R Kellogg | Common Stock | A | 100,000 | $1.72 | 1,195,000 | I | P |
| 13 Nov, 2025 | Peter R Kellogg | Common Stock | A | 125,000 | $1.74 | 1,320,000 | I | P |
| 12 Nov, 2025 | Peter R Kellogg | Common Stock | A | 200,000 | $1.68 | 1,520,000 | I | P |
| 12 Nov, 2025 | Peter R Kellogg | Common Stock | A | 70,000 | $1.72 | 1,070,000 | I | P |
| 12 Nov, 2025 | Peter R Kellogg | Common Stock | A | 25,000 | $1.69 | 1,095,000 | I | P |
| 07 Nov, 2025 | Peter R Kellogg | Common Stock | A | 1,200 | $1.61 | 1,271,839 | I | P |
| 07 Nov, 2025 | Peter R Kellogg | Common Stock | A | 6,099 | $1.56 | 1,270,639 | I | P |
| 07 Nov, 2025 | Peter R Kellogg | Common Stock | A | 28,701 | $1.67 | 1,300,540 | I | P |
| 07 Nov, 2025 | Peter R Kellogg | Common Stock | A | 18,000 | $1.79 | 1,318,540 | I | P |
| 06 Nov, 2025 | Peter R Kellogg | Common Stock | A | 285 | $1.84 | 1,170,825 | I | P |
| 06 Nov, 2025 | Peter R Kellogg | Common Stock | A | 58,000 | $1.86 | 1,264,540 | I | P |
| 06 Nov, 2025 | Peter R Kellogg | Common Stock | A | 36,000 | $1.87 | 1,170,540 | I | P |
| 06 Nov, 2025 | Peter R Kellogg | Common Stock | A | 35,715 | $1.89 | 1,206,540 | I | P |
| 05 Nov, 2025 | Peter R Kellogg | Common Stock | A | 36,000 | $1.91 | 1,108,602 | I | P |
| 05 Nov, 2025 | Peter R Kellogg | Common Stock | A | 36,000 | $1.88 | 1,072,602 | I | P |
| 05 Nov, 2025 | Peter R Kellogg | Common Stock | A | 25,938 | $1.92 | 1,134,540 | I | P |
| 04 Nov, 2025 | Peter R Kellogg | Common Stock | A | 36,602 | $1.93 | 1,036,602 | I | P |
| 30 Oct, 2025 | Peter R Kellogg | Common Stock | A | 6,160 | $2.11 | 1,000,000 | I | P |
| 30 Oct, 2025 | Peter R Kellogg | Common Stock | A | 18,650 | $2.11 | 993,490 | I | P |
| 30 Oct, 2025 | Peter R Kellogg | Common Stock | A | 36,000 | $2.07 | 646,000 | D | P |