SEC Form 4 · Updated Daily
ATI
— ATI INC OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BOZZONE ROBERT P | Director | 1,585,030.86 | 2007-05-02 | A |
| HASSEY L PATRICK | Director | 657,704.81 | 2011-02-24 | A |
| HARSHMAN RICHARD J | Director | 561,114.77 | 2019-02-28 | M |
| WETHERBEE ROBERT S | Director · Officer | 317,188.341 | 2026-02-17 | S |
| NEWMAN DONALD P | Director | 286,356 | 2025-01-06 | A |
| Sims John D | Officer | 187,032.21 | 2020-02-26 | F |
| WALTON JON D | Officer | 183,731.92 | 2011-02-24 | A |
| Powers Elizabeth C | Officer | 167,578.04 | 2022-02-28 | F |
| Dalton Hunter R | Officer | 160,884.33 | 2016-01-28 | D |
| Kramer Kevin B | Director | 160,338.42 | 2022-04-14 | S |
| Fields Kimberly A | Director | 124,564 | 2026-08-17 | S |
| Davis Elliot S | Officer | 123,926.64 | 2024-02-29 | S |
| DeCourcy Patrick J | Officer | 117,266.17 | 2019-02-28 | M |
| DUNLAP TERRY L | Director | 100,489.89 | 2014-10-24 | S |
| HARVEY J BRETT | Director | 98,865.82 | 2025-05-20 | A |
| REID DALE G | Officer | 97,905.62 | 2013-02-28 | A |
| Harris Timothy J | Officer | 88,187 | 2026-09-21 | S |
| Corvi Carolyn | Director | 71,145.693 | 2026-05-19 | A |
| CREEL DIANE C | Director | 69,038.85 | 2020-05-12 | A |
| ROHR JAMES E | Director | 66,968.28 | 2020-05-12 | A |
| Davis Lynn D | Officer | 66,409.25 | 2011-01-31 | A |
| Schwartz Karl D | Officer | 62,832.95 | 2022-09-12 | S |
| Bhatia Vaishali S. | Officer | 58,420 | 2026-03-20 | F |
| Foster James Robert | Officer | 57,824 | 2026-07-01 | M |
| Hogan David M | Officer | 54,611.98 | 2012-02-22 | A |
| Pipski John R | Director | 53,420.38 | 2020-05-15 | F |
| DIGGS JAMES C | Director | 46,590.82 | 2023-09-08 | S |
| TURNER JOHN D | Director | 43,418.82 | 2018-12-05 | G |
| KITTENBRINK DOUGLAS A | Officer | 39,440.81 | 2009-01-26 | A |
| Carlisle Herbert J | Director | 37,556 | 2026-05-19 | A |
| Morehouse David J | Director | 35,826 | 2026-09-02 | S |
| Kah Marianne | Director | 35,075 | 2026-05-19 | A |
| Hess David P | Director | 34,945 | 2026-05-19 | A |
| BALL M LEROY | Director | 34,737 | 2026-05-19 | A |
| JEREMIAH BARABARA S | Director | 33,832.81 | 2019-01-24 | S |
| VROMAN GARY J | Officer | 27,240.9 | 2013-02-28 | A |
| THOMAS LOUIS J | Director | 26,239.15 | 2016-05-10 | A |
| Busch Tina Killough | Officer | 21,274 | 2025-11-21 | S |
| SHILLING JACK W | Officer | 18,807.37 | 2007-02-21 | A |
| Joyce Michael | Director | 18,113.68 | 2013-05-02 | A |
| Washington Netta | Officer | 11,894 | 2024-05-01 | A |
| Williams Jimmy Jr. | Officer | 11,620 | 2025-01-03 | F |
| Miller Michael Benjamin | Officer | 7,639 | 2026-03-02 | F |
| Sharma Ruby | Director | 7,285 | 2026-05-19 | A |
| MCCLELLAND CRAIG W | Director | 6,464 | 2007-05-02 | A |
| BOWEN H KENT | Director | 4,650 | 2008-05-09 | A |
| Lydon-Rodgers Jean | Director | 1,536 | 2026-05-19 | A |
| Lund Elizabeth Hefley | Director | 1,536 | 2026-05-19 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-21 | Harris Timothy J | Open-market sale | 9,000 | $191.82 | 88,187 |
| 2026-09-14 | Harris Timothy J | Open-market sale | 16,500 | $193.06 | 97,187 |
| 2026-09-08 | Harris Timothy J | Open-market sale | 16,500 | $207.54 | 113,687 |
| 2026-09-02 | Morehouse David J | Open-market sale | 2,485 | $201.61 | 35,826 |
| 2026-08-31 | Harris Timothy J | Open-market sale | 16,500 | $210.01 | 130,187 |
| 2026-08-24 | Harris Timothy J | Open-market sale | 16,500 | $206.92 | 146,687 |
| 2026-08-17 | Fields Kimberly A | Open-market sale | 4,598 | $232.43 | 100,719 |
| 2026-08-17 | Fields Kimberly A | Open-market sale | 9,116 | $231.72 | 105,317 |
| 2026-08-17 | Fields Kimberly A | Open-market sale | 8,131 | $230.66 | 114,433 |
| 2026-08-17 | Fields Kimberly A | Open-market sale | 2,000 | $229.56 | 122,564 |
| 2026-08-17 | Fields Kimberly A | Open-market sale | 1,000 | $228.32 | 124,564 |
| 2026-07-28 | Fields Kimberly A | Open-market sale | 31,757 | $190.99 | 125,564 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 400 | $187.50 | 157,321 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 200 | $186.36 | 157,721 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 388 | $185.10 | 157,921 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 4,878 | $184.34 | 158,309 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 15,908 | $183.50 | 163,187 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 11,826 | $182.66 | 179,095 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 2,200 | $181.36 | 190,921 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 200 | $180.85 | 193,121 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 2,000 | $180.00 | 193,321 |
| 2026-07-07 | Fields Kimberly A | Open-market sale | 2,000 | $179.25 | 195,321 |
| 2026-07-01 | Foster James Robert | Option exercise | 163 | $193.82 | 57,824 |
| 2026-06-24 | Fields Kimberly A | Open-market sale | 3,783 | $197.21 | 197,321 |
| 2026-06-23 | Fields Kimberly A | Open-market sale | 3,641 | $197.48 | 201,104 |
| 2026-06-22 | Fields Kimberly A | Open-market sale | 13,269 | $202.48 | 204,745 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 3,001 | $182.75 | 218,014 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 2,000 | $181.90 | 221,015 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 1,896 | $180.80 | 223,015 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 13,164 | $179.71 | 224,911 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 13,865 | $179.05 | 238,075 |
| 2026-06-02 | Fields Kimberly A | Open-market sale | 25,823 | $177.97 | 251,940 |
| 2026-05-19 | BALL M LEROY | Grant / award | 905 | $0.00 | 34,737 |
| 2026-05-19 | Carlisle Herbert J | Grant / award | 905 | $0.00 | 37,556 |
| 2026-05-19 | Corvi Carolyn | Grant / award | 905 | $0.00 | 71,145.693 |
| 2026-05-19 | Hess David P | Grant / award | 905 | $0.00 | 34,945 |
| 2026-05-19 | Kah Marianne | Grant / award | 905 | $0.00 | 35,075 |
| 2026-05-19 | Lund Elizabeth Hefley | Grant / award | 905 | $0.00 | 1,536 |
| 2026-05-19 | Lydon-Rodgers Jean | Grant / award | 905 | $0.00 | 1,536 |
| 2026-05-19 | Morehouse David J | Grant / award | 1,743 | $0.00 | 38,311 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.