| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | BINZ JOSEPH LEO | director | Award | 3,924 | — | — |
| 2026-05-13 | Ellis Juliet S | director | Award | 4,265 | — | — |
| 2026-05-13 | CRANDALL RICHARD L | director | Award | 5,864 | — | — |
| 2026-05-13 | MARTIN LOIS M | director | Award | 4,265 | — | — |
| 2026-05-13 | Aguilar Luis A | director | Award | 4,265 | — | — |
| 2026-05-13 | Pattabhiram Chandar | director | Award | 4,265 | — | — |
| 2026-05-13 | Sayed Ayman | director | Award | 4,265 | — | — |
| 2026-05-13 | GREENFIELD GARY G | director | Award | 4,265 | — | — |
| 2026-03-06 | Johnson Eric J | officer | Sale | 20,280 | $50.16 | $1.02M |
| 2026-03-04 | Leib Daniel | director, officer | F | 4,600 | $52.97 | $244K |
| 2026-03-04 | Gardella David A | officer | F | 1,840 | $52.97 | $97K |
| 2026-03-04 | Turner Kami | officer | F | 269 | $52.97 | $14K |
| 2026-03-04 | Clay Craig | officer | F | 2,097 | $52.97 | $111K |
| 2026-03-04 | Johnson Eric J | officer | F | 1,393 | $52.97 | $74K |
| 2026-03-04 | Williams Robert Kirk | officer | F | 954 | $52.97 | $51K |
| 2026-03-04 | Williams Robert Kirk | officer | Sale | 7,684 | $52.03 | $400K |
| 2026-03-04 | Trzcinski Leah Marie | officer | F | 406 | $52.97 | $22K |
| 2026-03-03 | Turner Kami | officer | F | 753 | $51.77 | $39K |
| 2026-03-03 | Williams Robert Kirk | officer | Sale | 4,237 | $52.29 | $222K |
| 2026-03-03 | Johnson Eric J | officer | F | 3,382 | $51.77 | $175K |
| 2026-03-03 | Trzcinski Leah Marie | officer | F | 805 | $51.77 | $42K |
| 2026-03-03 | Gardella David A | officer | F | 4,827 | $51.77 | $250K |
| 2026-03-03 | Clay Craig | officer | F | 5,348 | $51.77 | $277K |
| 2026-03-03 | Leib Daniel | director, officer | F | 11,800 | $51.77 | $611K |
| 2026-03-03 | Leib Daniel | director, officer | Award | 51,447 | $51.77 | $2.66M |
| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2023-11-07 | SC | Simcoe Capital Management, LLC | — | — | view → |
| 2022-11-14 | SC | Simcoe Capital Management, LLC | — | — | view → |
| 2019-02-19 | SC | Simcoe Capital Management, LLC | — | — | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-05-19 | SCHEDULE 13D | Koppers Holdings Inc. KOP | 7.00% | 1,349,005 | view → |
| 2023-11-07 | SC | Donnelley Financial Solutions, Inc. DFIN | — | — | view → |
| 2022-11-14 | SC | Donnelley Financial Solutions, Inc. DFIN | — | — | view → |
| 2019-02-19 | SC | Donnelley Financial Solutions, Inc. DFIN | — | — | view → |
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