According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Newmarket are Director Bruce C Gottwald (60.74K shares), Chairman And President & Ceo Thomas E Gottwald (38.36K shares), Director Phyllis Cothran (6.05K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Bruce C Gottwald | 60,741 | 05 Sep, 2025 | |
| Thomas E Gottwald | Chairman And President & Ceo | 38,364 | 09 Feb, 2026 |
| Phyllis Cothran | 6,049 | 01 Jul, 2021 | |
| Patrick D Hanley | 5,232 | 05 Jul, 2023 | |
| Mark M Gambill | 3,992 | 01 Jul, 2025 | |
| James E Rogers | 3,740 | 01 Jul, 2025 | |
| Brian D Paliotti | President Afton Chemical Corp | 3,239 | 09 Feb, 2026 |
| H Hiter Iii Harris | 2,082 | 01 Jul, 2025 | |
| Cameron D. Warner | Treasurer & Corp Dev Dir | 978 | 06 Feb, 2023 |
| Ting Xu | 859 | 01 Jul, 2025 | |
| Bruce R Iii Hazelgrove | Evp & Cao | 680 | 09 Feb, 2026 |
| Timothy K Fitzgerald | Vice President & Cfo | 656 | 27 Feb, 2025 |
| Bryce Dickinson Iii Jewett | Evp And General Counsel | 453 | 09 Feb, 2026 |
| William J Skrobacz | Vice President & Cfo | 384 | 29 Feb, 2024 |
| Lowell Simmons Ukrop | 337 | 01 Jul, 2025 | |
| Gail Ridgeway | Controller | 264 | 07 Mar, 2024 |
| Ann P Pietrantoni | Controller | 63 | 07 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Thomas E Gottwald | Common Stock | D | 203 | $714.88 | 38,232 | D | F |
| 05 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 655 | $0.00 | 38,435 | D | A |
| 05 Feb, 2026 | Bruce R Iii Hazelgrove | Common Stock | D | 153 | $714.88 | 680 | D | F |
| 05 Feb, 2026 | Bruce R Iii Hazelgrove | Common Stock | A | 475 | $0.00 | 833 | D | A |
| 05 Feb, 2026 | Brian D Paliotti | Common Stock | A | 535 | $0.00 | 3,410 | D | A |
| 05 Feb, 2026 | Brian D Paliotti | Common Stock | D | 171 | $714.88 | 3,239 | D | F |
| 05 Feb, 2026 | Bryce Dickinson Iii Jewett | Common Stock | A | 415 | $0.00 | 589 | D | A |
| 05 Feb, 2026 | Bryce Dickinson Iii Jewett | Common Stock | D | 136 | $714.88 | 453 | D | F |
| 05 Sep, 2025 | Bruce C Gottwald | - | - | 60,741 | D | |||
| 05 Sep, 2025 | Bruce C Gottwald | Common Stock | D | 2,400 | $0.00 | 60,741 | D | G |
| 25 Aug, 2025 | Thomas E Gottwald | Common Stock | D | 315 | $0.00 | 20,612 | D | G |
| 01 Jul, 2025 | Mark M Gambill | Common Stock | A | 144 | $0.00 | 3,992 | D | A |
| 01 Jul, 2025 | James E Rogers | Common Stock | A | 144 | $0.00 | 3,740 | D | A |
| 01 Jul, 2025 | H Hiter Iii Harris | Common Stock | A | 144 | $0.00 | 2,082 | D | A |
| 01 Jul, 2025 | Ting Xu | Common Stock | A | 144 | $0.00 | 859 | D | A |
| 01 Jul, 2025 | Lowell Simmons Ukrop | Common Stock | A | 144 | $0.00 | 337 | D | A |
| 01 Jul, 2025 | Lowell Simmons Ukrop | - | - | 337 | D | |||
| 20 May, 2025 | Thomas E Gottwald | Common Stock | D | 1,550 | $0.00 | 20,927 | D | G |
| 12 May, 2025 | Bruce R Iii Hazelgrove | Common Stock | D | 311 | $642.43 | 358 | D | S |
| 12 May, 2025 | Bruce R Iii Hazelgrove | - | - | 358 | D |