Over the 90-day window ending February 19, 2026, Ati's three dominant insider ownership positions are held by Executive Chairman Robert S Wetherbee (389.62K shares), President And Ceo And Director Kimberly A Fields (317.76K shares), Evp And Cfo Donald P Newman (249.11K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Robert S Wetherbee | Executive Chairman | 389,623 | 07 Jan, 2026 |
| Kimberly A Fields | President And Ceo And Director | 317,763 | 07 Jan, 2026 |
| Donald P Newman | Evp And Cfo | 249,111 | 07 Jan, 2025 |
| Elizabeth C Powers | Senior Vp And Chro | 167,578 | 02 Mar, 2022 |
| Timothy J Harris | Senior Vp And Cdio | 163,187 | 07 Jan, 2026 |
| Kevin B Kramer | Sr. Vp And Ccmo | 160,338 | 18 Apr, 2022 |
| Elliot S Davis | Chief Legal & Compl. Officer | 123,927 | 04 Mar, 2024 |
| J Brett Harvey | 98,866 | 22 May, 2025 | |
| Carolyn Corvi | 70,241 | 22 May, 2025 | |
| Karl D Schwartz | Vp And Controller & Cao | 62,833 | 14 Sep, 2022 |
| Vaishali S. Bhatia | Svp And General Counsel And Cco | 61,929 | 07 Jan, 2026 |
| James Robert Foster | Svp And Finance And Cfo | 57,987 | 23 Jan, 2026 |
| James C Diggs | 46,591 | 12 Sep, 2023 | |
| David J Morehouse | 44,777 | 06 Aug, 2025 | |
| Herbert J Carlisle | 36,651 | 22 May, 2025 | |
| M Leroy Ball | 34,182 | 20 Nov, 2025 | |
| Marianne Kah | 34,170 | 22 May, 2025 | |
| David P Hess | 34,040 | 22 May, 2025 | |
| Tina Killough Busch | Svp And Chro | 21,274 | 25 Nov, 2025 |
| Netta Washington | Evp And Hpmc | 11,894 | 03 May, 2024 |
| Jimmy Jr. Williams | Svp And Cto | 11,620 | 07 Jan, 2025 |
| Michael Benjamin Miller | Vp Chief Accounting Officer | 8,052 | 07 Jan, 2026 |
| Ruby Sharma | 6,380 | 22 May, 2025 | |
| Elizabeth Hefley Lund | 631 | 21 Nov, 2025 | |
| Jean Lydon-Rodgers | 631 | 21 Nov, 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 Jan, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | A | 362,644 | $0.00 | 186,538 | D | M |
| 05 Jan, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | A | 185,276 | $0.00 | 478,551 | D | A |
| 05 Jan, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 72,907 | $121.08 | 405,644 | D | F |
| 05 Jan, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 16,021 | $121.08 | 389,623 | D | F |
| 05 Jan, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 69,369 | $121.08 | 293,275 | D | F |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | A | 12,510 | $0.00 | 215,178 | D | A |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | D | 32,352 | $121.08 | 324,791 | D | F |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | D | 7,028 | $121.08 | 317,763 | D | F |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | A | 98,620 | $0.00 | 313,798 | D | M |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | A | 82,216 | $0.00 | 357,143 | D | A |
| 05 Jan, 2026 | Kimberly A Fields | Common Stock, par value $0.10 per share | D | 38,871 | $121.08 | 274,927 | D | F |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | D | 30,918 | $121.08 | 140,511 | D | F |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | A | 46,318 | $0.00 | 186,829 | D | A |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | A | 2,677 | $0.00 | 100,987 | D | A |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | D | 3,359 | $121.08 | 163,187 | D | F |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | D | 20,283 | $121.08 | 166,546 | D | F |
| 05 Jan, 2026 | Timothy J Harris | Common Stock, par value $0.10 per share | A | 70,442 | $0.00 | 171,429 | D | M |
| 05 Jan, 2026 | Vaishali S. Bhatia | Common Stock, par value $0.10 per share | A | 3,152 | $0.00 | 63,873 | D | A |
| 05 Jan, 2026 | Vaishali S. Bhatia | Common Stock, par value $0.10 per share | D | 1,944 | $121.08 | 61,929 | D | F |
| 05 Jan, 2026 | Michael Benjamin Miller | Common Stock, par value $0.10 per share | A | 854 | $0.00 | 8,426 | D | A |