20 insiders reported 126 Form 4 transactions for TIMKEN CO (TKR) over the past 18 months (most recent 2026-09-03). Recent activity: BOLDEA LUCIAN (President and CEO) Buy 30,286 shares, BOLDEA LUCIAN (President and CEO) Sell 12,750 shares, BOLDEA LUCIAN (President and CEO) Buy 7,918 shares, BOLDEA LUCIAN (President and CEO) Sell 3,333 shares, Kyle Richard G (Director) Sell 13,637 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | BOLDEA LUCIAN | President and CEO | Buy | 30,286 | $0 |
| 2026-09-03 | BOLDEA LUCIAN | President and CEO | Sell | 12,750 | $1.5M |
| 2026-09-03 | BOLDEA LUCIAN | President and CEO | Buy | 7,918 | $0 |
| 2026-09-03 | BOLDEA LUCIAN | President and CEO | Sell | 3,333 | $399,227 |
| 2026-08-11 | Kyle Richard G | Director | Sell | 13,637 | $1.7M |
| 2026-06-09 | Rajendra Ajita G | Director | Sell | 8,450 | $1.1M |
| 2026-05-29 | Kyle Richard G | Director | Sell | 8,448 | $1.1M |
| 2026-05-18 | Kyle Richard G | Director | Sell | 646 | $0 |
| 2026-05-12 | TIMKEN JOHN M JR | Director | Sell | 15,000 | $1.7M |
| 2026-05-12 | Kyle Richard G | Director | Sell | 37,181 | $4.4M |
| 2026-05-05 | Harrell Elizabeth Ann | Director | Buy | 2,270 | $0 |
| 2026-05-05 | Leombruno Todd M. | Director | Buy | 2,270 | $0 |
| 2026-05-05 | RYAN KIMBERLY K | Director | Buy | 2,270 | $0 |
| 2026-05-05 | Crowe Maria A | Director | Buy | 2,270 | $0 |
| 2026-05-05 | SULLIVAN FRANK C | Director | Buy | 2,270 | $0 |
| 2026-05-05 | Lauber Sarah C | Director | Buy | 2,270 | $0 |
| 2026-05-05 | TIMKEN JOHN M JR | Director | Buy | 2,270 | $0 |
| 2026-05-05 | Rajendra Ajita G | Director | Buy | 2,270 | $0 |
| 2026-05-05 | TIMKEN WARD J JR | Director | Buy | 2,270 | $0 |
| 2026-05-05 | MAPES CHRISTOPHER L | Director | Buy | 2,270 | $0 |
| 2026-03-16 | TIMKEN WARD J JR | Director | Sell | 10,000 | $0 |
| 2026-03-16 | TIMKEN WARD J JR | Director | Sell | 52,000 | $0 |
| 2026-03-16 | TIMKEN WARD J JR | Director | Buy | 52,000 | $0 |
| 2026-03-16 | TIMKEN WARD J JR | Director | Sell | 7,500 | $0 |
| 2026-03-16 | TIMKEN WARD J JR | Director | Buy | 7,500 | $0 |
Source: SEC Form 4 filings · as of 2026-09-03