Ati's top three insider shareholders as of August 04, 2026 are Kimberly A Fields (President, Ceo And Director, 317.76K shares), Robert S Wetherbee (Executive Chairman, 269.62K shares), Donald P Newman (Evp And Cfo, 249.11K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| James C Diggs | - | 46,591 | 0 | 12 Sep, 2023 |
| M Leroy Ball | - | 34,182 | 0 | 20 Nov, 2025 |
| J Brett Harvey | - | 98,866 | 0 | 22 May, 2025 |
| Donald P Newman | Evp And Cfo | 249,111 | 0 | 07 Jan, 2025 |
| David P Hess | - | 34,040 | 0 | 22 May, 2025 |
| Elizabeth C Powers | Senior Vp, Chro | 167,578 | 0 | 02 Mar, 2022 |
| Carolyn Corvi | - | 70,241 | 0 | 22 May, 2025 |
| Karl D Schwartz | Vp, Controller Cao | 62,833 | 0 | 14 Sep, 2022 |
| Elliot S Davis | Chief Legal Compl. Officer | 123,927 | 0 | 04 Mar, 2024 |
| Kevin B Kramer | Sr. Vp, Ccmo | 160,338 | 0 | 18 Apr, 2022 |
| Robert S Wetherbee | Executive Chairman | 269,623 | 0 | 19 Feb, 2026 |
| David J Morehouse | - | 38,168 | 0 | 11 Mar, 2026 |
| Herbert J Carlisle | - | 36,651 | 0 | 22 May, 2025 |
| Kimberly A Fields | President, Ceo And Director | 317,763 | 0 | 07 Jan, 2026 |
| Timothy J Harris | Senior Vp And Cdio | 163,187 | 0 | 07 Jan, 2026 |
| Marianne Kah | - | 34,170 | 0 | 22 May, 2025 |
| Vaishali S. Bhatia | Svp, General Counsel And Cco | 58,420 | 0 | 24 Mar, 2026 |
| Michael Benjamin Miller | Vp Chief Accounting Officer | 7,639 | 0 | 03 Mar, 2026 |
| Ruby Sharma | - | 6,380 | 0 | 22 May, 2025 |
| Tina Killough Busch | Svp, Chro | 21,274 | 0 | 25 Nov, 2025 |
| Jimmy Jr. Williams | Svp, Cto | 11,620 | 0 | 07 Jan, 2025 |
| Netta Washington | Evp, Hpmc | 11,894 | 0 | 03 May, 2024 |
| Elizabeth Hefley Lund | - | 631 | 0 | 21 Nov, 2025 |
| Jean Lydon-Rodgers | - | 631 | 0 | 21 Nov, 2025 |
| James Robert Foster | Svp, Finance And Cfo | 57,987 | 0 | 23 Jan, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Mar, 2026 | Vaishali S. Bhatia | Common Stock, par value $0.10 per share | D | 3,509 | $143.95 | 58,420 | D | F |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 1,285 | $153.11 | 43,492 | D | S |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 1,285 | $153.11 | 43,492 | D | S |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 1,285 | $153.11 | 43,492 | D | S |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 5,324 | $154.53 | 38,168 | D | S |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 5,324 | $154.53 | 38,168 | D | S |
| 09 Mar, 2026 | David J Morehouse | Common Stock, par value $0.10 per share | D | 5,324 | $154.53 | 38,168 | D | S |
| 02 Mar, 2026 | Michael Benjamin Miller | Common Stock, par value $0.10 per share | D | 413 | $164.00 | 7,639 | D | F |
| 02 Mar, 2026 | Michael Benjamin Miller | Common Stock, par value $0.10 per share | D | 413 | $164.00 | 7,639 | D | F |
| 02 Mar, 2026 | Michael Benjamin Miller | Common Stock, par value $0.10 per share | D | 413 | $164.00 | 7,639 | D | F |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 12,435 | $144.01 | 317,188 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 12,435 | $144.01 | 317,188 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 12,435 | $144.01 | 317,188 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 8,403 | $145.17 | 308,785 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 8,403 | $145.17 | 308,785 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 8,403 | $145.17 | 308,785 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | A | 28,724 | $146.07 | 280,061 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | A | 28,724 | $146.07 | 280,061 | D | S |
| 17 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | A | 28,724 | $146.07 | 280,061 | D | S |
| 10 Feb, 2026 | Robert S Wetherbee | Common Stock, par value $0.10 per share | D | 10,438 | $146.67 | 269,623 | D | S |