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 0 419 46.25 D 183605 D Common Stock 2026-09-28 4 S 0 220 46.26 D 183385 D Common Stock 2026-09-28 4 S 0 300 46.57 D 183085 D Common Stock 2026-09-28 4 S 0 210 46.65 D 182875 D Common Stock 2026-09-28 4 S 0 967 46.67 D 181908 D Common Stock 2026-09-28 4 S 0 76 46.68 D 181832 D Common Stock 2026-09-28 4 S 0 5 46.82 D 181827 D Common Stock 2026-09-28 4 S 0 103 46.83 D 181724 D Common Stock 2026-09-28 4 S 0 10 46.84 D 181714 D Common Stock 2026-09-28 4 S 0 85 46.85 D 181629 D Common Stock 2026-09-28 4 S 0 53 46.88 D 181576 D Common Stock 2026-09-28 4 S 0 8 46.93 D 181568 D Common Stock 2026-09-28 4 S 0 78 46.98 D 181490 D Common Stock 2026-09-28 4 S 0 400 46.99 D 181090 D Common Stock 2026-09-28 4 S 0 100 47 D 180990 D Common Stock 2026-09-28 4 S 0 400 47.05 D 180590 D Common Stock 2026-09-28 4 S 0 200 47.07 D 180390 D Common Stock 2026-09-28 4 S 0 300 47.10 D 180090 D Common Stock 2026-09-28 4 S 0 740 47.11 D 179350 D Common Stock 2026-09-28 4 S 0 390 47.12 D 178960 D Common Stock 2026-09-28 4 S 0 140 47.13 D 178820 D Common Stock 2026-09-28 4 S 0 200 47.15 D 178620 D Common Stock 2026-09-28 4 S 0 300 47.17 D 178320 D Common Stock 2026-09-28 4 S 0 5 47.19 D 178315 D Common Stock 2026-09-28 4 S 0 180 47.20 D 178135 D Common Stock 2026-09-28 4 S 0 203 47.22 D 177932 D Common Stock 2026-09-28 4 S 0 425 47.23 D 177507 D Common Stock 2026-09-28 4 S 0 477 47.24 D 177030 D Common Stock 2026-09-28 4 S 0 101 47.25 D 176929 D Common Stock 2026-09-28 4 S 0 93 47.26 D 176836 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