Graftech International's top three insider shareholders as of April 28, 2026 are House Capital Ltd Colonial (TenPercentOwner, 31.36Mn shares), Gp Ltd Bcp (Other, 23.35Mn shares), Jeremy S. Halford (Evp, Chief Operating Officer, 211.39K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| House Capital Ltd Colonial | - | 31,358,061 | 0 | 20 May, 2024 |
| Gp Ltd Bcp | - | 0 | 23,352,826 | 04 Jan, 2024 |
| Jeremy S. Halford | Evp, Chief Operating Officer | 211,391 | 0 | 14 Mar, 2025 |
| David J. Rintoul | President And Ceo | 115,655 | 0 | 09 Nov, 2021 |
| Jean-Marc Germain | - | 90,000 | 0 | 12 May, 2025 |
| Gina K Gunning | Clo Corporate Secretary | 66,787 | 0 | 27 Feb, 2024 |
| Diego Donoso | - | 56,497 | 0 | 12 Nov, 2024 |
| Marcel Kessler | Ceo And President | 52,078 | 0 | 12 Nov, 2024 |
| Sachin M Shivaram | - | 50,000 | 0 | 15 May, 2025 |
| Ortiz Inigo Perez | Svp, Commercial And Cts | 46,226 | 0 | 16 Mar, 2026 |
| Timothy K Flanagan | Ceo And President | 44,963 | 0 | 16 Mar, 2026 |
| Catherine Hedoux-Delgado | Interim Cfo And Treasurer | 29,546 | 0 | 27 Feb, 2024 |
| Rory F. O'Donnell | Chief Financial Officer Svp | 21,202 | 0 | 27 Feb, 2026 |
| Andrew James Renacci | Clo And Corp. Secy. | 8,891 | 0 | 16 Mar, 2026 |
| Jeremy Joseph Clemens | Vp, Operations | 8,361 | 0 | 16 Mar, 2026 |
| Eric V Roegner | - | 0 | 326 | 17 Mar, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Mar, 2026 | Eric V Roegner | Deferred Share Units | A | 4,240 | $0.00 | 12,219 | D | A |
| 31 Mar, 2026 | Jean-Marc Germain | Deferred Share Units | A | 4,425 | $0.00 | 21,461 | D | A |
| 31 Mar, 2026 | Sachin M Shivaram | Deferred Share Units | A | 4,240 | $0.00 | 14,276 | D | A |
| 12 Mar, 2026 | Timothy K Flanagan | Common Stock | A | 15,284 | - | 49,488 | D | M |
| 12 Mar, 2026 | Andrew James Renacci | Common Stock | A | 1,800 | - | 9,417 | D | M |
| 12 Mar, 2026 | Ortiz Inigo Perez | Common Stock | A | 10,144 | - | 46,226 | D | M |
| 12 Mar, 2026 | Jeremy Joseph Clemens | Common Stock | A | 2,987 | - | 9,420 | D | M |
| 12 Mar, 2026 | Andrew James Renacci | Common Stock | D | 526 | $5.23 | 8,891 | D | F |
| 12 Mar, 2026 | Ortiz Inigo Perez | Restricted Stock Units | D | 10,144 | $0.00 | 10,144 | D | M |
| 12 Mar, 2026 | Jeremy Joseph Clemens | Common Stock | D | 1,059 | $5.23 | 8,361 | D | F |
| 12 Mar, 2026 | Timothy K Flanagan | Common Stock | D | 4,525 | $5.23 | 44,963 | D | F |
| 12 Mar, 2026 | Jeremy Joseph Clemens | Restricted Stock Units | D | 2,987 | $0.00 | 2,987 | D | M |
| 12 Mar, 2026 | Timothy K Flanagan | Restricted Stock Units | D | 15,284 | $0.00 | 15,284 | D | M |
| 12 Mar, 2026 | Andrew James Renacci | Restricted Stock Units | D | 1,800 | $0.00 | 1,800 | D | M |
| 25 Feb, 2026 | Ortiz Inigo Perez | Common Stock | A | 1,395 | - | 22,786 | D | M |
| 25 Feb, 2026 | Andrew James Renacci | Common Stock | A | 480 | - | 2,295 | D | M |
| 25 Feb, 2026 | Timothy K Flanagan | Common Stock | A | 1,047 | - | 20,736 | D | M |
| 25 Feb, 2026 | Rory F. O'Donnell | Common Stock | A | 9,808 | - | 24,106 | D | M |
| 25 Feb, 2026 | Jeremy Joseph Clemens | Common Stock | A | 81 | - | 3,661 | D | M |
| 25 Feb, 2026 | Rory F. O'Donnell | Common Stock | D | 2,904 | $6.81 | 21,202 | D | F |