As of March 23, 2026, Graftech International's top three insider holders 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 |
|---|---|---|---|---|
| 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 |
| Marcel Kessler | 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 |
| Henry R. Keizer | 27,971 | 0 | 13 Nov, 2023 | |
| 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 | 100 | 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 |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Timothy K Flanagan | Common Stock | A | 15,284 | - | 49,488 | D | M |
| 12 Mar, 2026 | Jeremy Joseph Clemens | Common Stock | A | 2,987 | - | 9,420 | D | M |
| 12 Mar, 2026 | Ortiz Inigo Perez | Common Stock | A | 10,144 | - | 46,226 | D | M |
| 12 Mar, 2026 | Andrew James Renacci | Common Stock | A | 1,800 | - | 9,417 | D | M |
| 12 Mar, 2026 | Jeremy Joseph Clemens | Common Stock | D | 1,059 | $5.23 | 8,361 | D | F |
| 12 Mar, 2026 | Ortiz Inigo Perez | Restricted Stock Units | D | 10,144 | $0.00 | 10,144 | D | M |
| 12 Mar, 2026 | Andrew James Renacci | Common Stock | D | 526 | $5.23 | 8,891 | D | F |
| 12 Mar, 2026 | Timothy K Flanagan | Common Stock | D | 4,525 | $5.23 | 44,963 | D | F |
| 12 Mar, 2026 | Andrew James Renacci | Restricted Stock Units | D | 1,800 | $0.00 | 1,800 | D | M |
| 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 |
| 25 Feb, 2026 | Timothy K Flanagan | Common Stock | A | 1,047 | - | 20,736 | D | M |
| 25 Feb, 2026 | Andrew James Renacci | Common Stock | A | 480 | - | 2,295 | D | M |
| 25 Feb, 2026 | Rory F. O'Donnell | Common Stock | A | 9,808 | - | 24,106 | D | M |
| 25 Feb, 2026 | Ortiz Inigo Perez | Common Stock | A | 1,395 | - | 22,786 | D | M |
| 25 Feb, 2026 | Jeremy Joseph Clemens | Common Stock | A | 81 | - | 3,661 | D | M |
| 25 Feb, 2026 | Timothy K Flanagan | Common Stock | D | 311 | $6.81 | 20,425 | D | F |
| 25 Feb, 2026 | Jeremy Joseph Clemens | Common Stock | D | 30 | $6.81 | 3,631 | D | F |
| 25 Feb, 2026 | Ortiz Inigo Perez | Common Stock | A | 1,720 | - | 24,506 | D | M |
| 25 Feb, 2026 | Rory F. O'Donnell | Common Stock | D | 2,904 | $6.81 | 21,202 | D | F |