X0609 4 2026-10-01 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 2026-10-01 4 S 0 100 44.79 D 151658 D Common Stock 2026-10-01 4 S 0 30 44.82 D 151628 D Common Stock 2026-10-01 4 S 0 100 44.83 D 151528 D Common Stock 2026-10-01 4 S 0 96 44.84 D 151432 D Common Stock 2026-10-01 4 S 0 417 44.85 D 151015 D Common Stock 2026-10-01 4 S 0 199 44.86 D 150816 D Common Stock 2026-10-01 4 S 0 96 44.89 D 150720 D Common Stock 2026-10-01 4 S 0 195 45.09 D 150525 D Common Stock 2026-10-01 4 S 0 201 45.10 D 150324 D Common Stock 2026-10-01 4 S 0 147 45.16 D 150177 D Common Stock 2026-10-01 4 S 0 207 45.20 D 149970 D Common Stock 2026-10-01 4 S 0 100 45.24 D 149870 D Common Stock 2026-10-01 4 S 0 72 45.53 D 149798 D Common Stock 2026-10-01 4 S 0 192 45.55 D 149606 D Common Stock 2026-10-01 4 S 0 3 45.57 D 149603 D Common Stock 2026-10-01 4 S 0 99 45.59 D 149504 D Common Stock 2026-10-01 4 S 0 99 45.63 D 149405 D Common Stock 2026-10-01 4 S 0 100 45.67 D 149305 D Common Stock 2026-10-01 4 S 0 99 45.77 D 149206 D Common Stock 2026-10-01 4 S 0 105 45.89 D 149101 D Common Stock 2026-10-01 4 S 0 213 45.93 D 148888 D Common Stock 2026-10-01 4 S 0 213 46.03 D 148675 D Common Stock 2026-10-01 4 S 0 105 46.09 D 148570 D Common Stock 2026-10-01 4 S 0 417 46.16 D 148153 D Common Stock 2026-10-01 4 S 0 213 46.17 D 147940 D Common Stock 2026-10-01 4 S 0 105 46.18 D 147835 D Common Stock 2026-10-01 4 S 0 96 46.19 D 147739 D Common Stock 2026-10-01 4 S 0 96 46.20 D 147643 D Common Stock 2026-10-01 4 S 0 105 46.24 D 147538 D Common Stock 2026-10-01 4 S 0 324 46.28 D 147214 D Sales were made pursuant to a Rule 10b5-1 plan adopted on June 29, 2026. Patrick W. Fogarty, Attorney-In-Fact for Robert D. Vilsack 2026-10-02