X0609 4 2026-09-29 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 2026-09-29 4 S 0 196 46.40 D 167640 D Common Stock 2026-09-29 4 S 0 100 46.45 D 167540 D Common Stock 2026-09-29 4 S 0 9 46.60 D 167531 D Common Stock 2026-09-29 4 S 0 292 46.72 D 167239 D Common Stock 2026-09-29 4 S 0 3 46.74 D 167236 D Common Stock 2026-09-29 4 S 0 97 46.79 D 167139 D Common Stock 2026-09-29 4 S 0 24 46.80 D 167115 D Common Stock 2026-09-29 4 S 0 192 46.81 D 166923 D Common Stock 2026-09-29 4 S 0 108 46.85 D 166815 D Common Stock 2026-09-29 4 S 0 10 46.86 D 166805 D Common Stock 2026-09-29 4 S 0 278 46.87 D 166527 D Common Stock 2026-09-29 4 S 0 196 46.88 D 166331 D Common Stock 2026-09-29 4 S 0 100 46.93 D 166231 D Common Stock 2026-09-29 4 S 0 57 46.98 D 166174 D Common Stock 2026-09-29 4 S 0 208 46.99 D 165966 D Common Stock 2026-09-29 4 S 0 33 47.01 D 165933 D Common Stock 2026-09-29 4 S 0 313 47.03 D 165620 D Common Stock 2026-09-29 4 S 0 150 47.07 D 165470 D Common Stock 2026-09-29 4 S 0 100 47.08 D 165370 D Common Stock 2026-09-29 4 S 0 250 47.09 D 165120 D Common Stock 2026-09-29 4 S 0 266 47.10 D 164854 D Common Stock 2026-09-29 4 S 0 1283 47.11 D 163571 D Common Stock 2026-09-29 4 S 0 100 47.12 D 163471 D Common Stock 2026-09-29 4 S 0 200 47.13 D 163271 D Common Stock 2026-09-29 4 S 0 132 47.16 D 163139 D Common Stock 2026-09-29 4 S 0 200 47.18 D 162939 D Common Stock 2026-09-29 4 S 0 100 47.21 D 162839 D Common Stock 2026-09-29 4 S 0 96 47.25 D 162743 D Common Stock 2026-09-29 4 S 0 212 47.46 D 162531 D Common Stock 2026-09-29 4 S 0 1192 47.57 D 161339 D Sales were made pursuant to a Rule 10b5-1 plan adopted June 29, 2026. Patrick W. Fogarty, Attorney-In-Fact for Robert D. Vilsack 2026-10-01