As of May 30, 2026, Newmarket's top three insider holders are Bruce C Gottwald (TenPercentOwner, 361.75K shares), Thomas E Gottwald (Chairman, President Ceo, 138.05K shares), Phyllis Cothran (Director, 6.05K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Bruce C Gottwald | - | 361,755 | 0 | 20 Feb, 2026 |
| Mark M Gambill | - | 3,992 | 0 | 01 Jul, 2025 |
| James E Rogers | - | 3,740 | 0 | 01 Jul, 2025 |
| Phyllis Cothran | - | 6,049 | 0 | 01 Jul, 2021 |
| Thomas E Gottwald | Chairman, President Ceo | 118,135 | 19,916 | 20 Feb, 2026 |
| Patrick D Hanley | - | 5,232 | 0 | 05 Jul, 2023 |
| Bruce R Iii Hazelgrove | Evp Cao | 680 | 0 | 09 Feb, 2026 |
| Cameron D. Warner | Treasurer Corp Dev Dir | 978 | 0 | 06 Feb, 2023 |
| William J Skrobacz | Vice President Cfo | 384 | 0 | 29 Feb, 2024 |
| Brian D Paliotti | President Afton Chemical Corp | 3,239 | 0 | 09 Feb, 2026 |
| H Hiter Iii Harris | - | 2,082 | 0 | 01 Jul, 2025 |
| Bryce Dickinson Iii Jewett | Evp And General Counsel | 453 | 0 | 09 Feb, 2026 |
| Ting Xu | - | 929 | 0 | 25 Feb, 2026 |
| Gail Ridgeway | Controller | 264 | 0 | 07 Mar, 2024 |
| Lowell Simmons Ukrop | - | 337 | 0 | 01 Jul, 2025 |
| Timothy K Fitzgerald | Vice President Cfo | 622 | 0 | 20 Feb, 2026 |
| Ann P Pietrantoni | Controller | 63 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| 24 Feb, 2026 | Ting Xu | Common Stock | A | 400 | $619.21 | 929 | D | P |
| 24 Feb, 2026 | Ting Xu | Common Stock | A | 400 | $619.21 | 929 | D | P |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 60 | $0.00 | 119,455 | D | G |
| 19 Feb, 2026 | Timothy K Fitzgerald | Common Stock | D | 34 | $607.04 | 622 | D | F |
| 18 Feb, 2026 | Bruce C Gottwald | Common Stock | D | 3,000 | $0.00 | 361,755 | D | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | D | 1,320 | $0.00 | 118,135 | D | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 60 | $0.00 | 5,147 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 120 | $0.00 | 2,436 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 120 | $0.00 | 1,988 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 150 | $0.00 | 1,830 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 120 | $0.00 | 1,678 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 150 | $0.00 | 1,436 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 1,186 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 1,164 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 807 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 618 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 120 | $0.00 | 522 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 363 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 378 | I | G |
| 18 Feb, 2026 | Thomas E Gottwald | Common Stock | A | 180 | $0.00 | 363 | I | G |