X0609 4 2026-09-28 0 0000076282 PARK OHIO HOLDINGS CORP PKOH 0001210284 VILSACK ROBERT D false 6065 PARKLAND BLVD. CLEVELAND OH 44124 0 1 0 0 Secretary & CLO 1 Common Stock 2026-09-28 4 S 0 711 47.27 D 176125 D Common Stock 2026-09-28 4 S 0 326 47.28 D 175799 D Common Stock 2026-09-28 4 S 0 257 47.29 D 175542 D Common Stock 2026-09-28 4 S 0 100 47.30 D 175442 D Common Stock 2026-09-28 4 S 0 600 47.31 D 174842 D Common Stock 2026-09-28 4 S 0 590 47.34 D 174252 D Common Stock 2026-09-28 4 S 0 700 47.35 D 173552 D Common Stock 2026-09-28 4 S 0 510 47.36 D 173042 D Common Stock 2026-09-28 4 S 0 100 47.37 D 172942 D Common Stock 2026-09-28 4 S 0 200 47.38 D 172742 D Common Stock 2026-09-28 4 S 0 301 47.39 D 172441 D Common Stock 2026-09-28 4 S 0 50 47.40 D 172391 D Common Stock 2026-09-28 4 S 0 100 47.41 D 172291 D Common Stock 2026-09-28 4 S 0 100 47.42 D 172191 D Common Stock 2026-09-28 4 S 0 40 47.44 D 172151 D Common Stock 2026-09-28 4 S 0 600 47.45 D 171551 D Common Stock 2026-09-28 4 S 0 337 47.46 D 171214 D Common Stock 2026-09-28 4 S 0 45 47.47 D 171169 D Common Stock 2026-09-28 4 S 0 700 47.48 D 170469 D Common Stock 2026-09-28 4 S 0 200 47.51 D 170269 D Common Stock 2026-09-28 4 S 0 300 47.54 D 169969 D Common Stock 2026-09-28 4 S 0 301 47.55 D 169668 D Common Stock 2026-09-28 4 S 0 300 47.58 D 169368 D Common Stock 2026-09-28 4 S 0 184 47.59 D 169184 D Common Stock 2026-09-28 4 S 0 703 47.60 D 168481 D Common Stock 2026-09-28 4 S 0 245 47.69 D 168236 D Common Stock 2026-09-28 4 S 0 300 47.70 D 167936 D Common Stock 2026-09-28 4 S 0 100 47.76 D 167836 D Date of adoption of Rule 10b5-1 was June 29, 2026. Patrick W. Fogarty, Attorney-In-Fact for Robert D. Vilsack 2026-09-30