Kelley Stephen Douglas (CIK 1443674) reported 25 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy ONTO (761 shares), Sell AEIS (7,535 shares), Sell AEIS (876 shares), Sell AEIS (1,112 shares), Sell AEIS (1,224 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | ONTO INNOVATION INC. (ONTO) | Director | Buy | 761 | $0 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 7,535 | $2.4M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 876 | $268,818 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 1,112 | $341,340 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 1,224 | $379,158 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 3,330 | $1.0M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 3,718 | $1.2M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 5,678 | $1.8M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 2,312 | $730,315 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 2,309 | $732,438 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 7,229 | $2.3M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 13,278 | $4.2M |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 543 | $165,876 |
| 2026-03-12 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 856 | $274,887 |
| 2026-03-03 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Buy | 10,449 | $0 |
| 2026-03-03 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Buy | 9,130 | $0 |
| 2026-03-03 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 13,355 | $4.5M |
| 2026-02-20 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Buy | 53,704 | $16.9M |
| 2026-02-20 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 23,504 | $7.4M |
| 2025-05-23 | ONTO INNOVATION INC. (ONTO) | Director | Buy | 2,114 | $0 |
| 2025-03-18 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 3,873 | $411,274 |
| 2025-03-04 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Buy | 10,450 | $0 |
| 2025-03-04 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 9,361 | $1.1M |
| 2025-02-21 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Buy | 26,088 | $3.4M |
| 2025-02-21 | ADVANCED ENERGY INDUSTRIES INC (AEIS) | President and CEO | Sell | 11,435 | $1.5M |
Source: SEC Form 4 filings · as of 2026-05-22