Kelley Stephen Douglas, President and CEO of Advanced Energy Industries Inc. ($AEIS), sold about $15.8 million worth of company shares through 13 open market transactions over the last year. His most recent sale occurred on March 10, 2026. These sales rank him 800th among 11,678 insiders in our database by total value sold, above the average of $8.6 million across 6.4 transactions per insider. He made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 543 | $305.48 | 129,833.0000 | 38,600,000 | 0.42% | 0.00% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 856 | $321.13 | 80,376.0000 | 38,600,000 | 1.05% | 0.00% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 7535 | $319.90 | 81,232.0000 | 38,600,000 | 8.49% | 0.02% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 13278 | $319.05 | 88,767.0000 | 38,600,000 | 13.01% | 0.03% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 7229 | $317.94 | 102,045.0000 | 38,600,000 | 6.62% | 0.02% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 2309 | $317.21 | 109,274.0000 | 38,600,000 | 2.07% | 0.01% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 2312 | $315.88 | 111,583.0000 | 38,600,000 | 2.03% | 0.01% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 5678 | $314.82 | 113,895.0000 | 38,600,000 | 4.75% | 0.01% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 3718 | $313.80 | 119,573.0000 | 38,600,000 | 3.02% | 0.01% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 3330 | $311.88 | 123,291.0000 | 38,600,000 | 2.63% | 0.01% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 1224 | $309.77 | 126,621.0000 | 38,600,000 | 0.96% | 0.00% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 1112 | $306.96 | 127,845.0000 | 38,600,000 | 0.86% | 0.00% |
| March 10, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | S | Common Stock | 876 | $306.87 | 128,957.0000 | 38,600,000 | 0.67% | 0.00% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 9130 | $0.00 | 143,731.0000 | 38,600,000 | 6.78% | 0.02% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Performance Units | 18260 | $0.00 | 18,260.0000 | 38,600,000 | 9999.99% | 0.05% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Restricted Stock Units | 11620 | $0.00 | 11,620.0000 | 38,600,000 | 9999.99% | 0.03% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Restricted Stock Units | 9130 | $0.00 | 18,258.0000 | 38,600,000 | 33.34% | 0.02% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Restricted Stock Units | 10449 | $0.00 | 10,449.0000 | 38,600,000 | 50.00% | 0.03% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 13355 | $335.57 | 130,376.0000 | 38,600,000 | 9.29% | 0.03% |
| March 1, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 10449 | $0.00 | 134,601.0000 | 38,600,000 | 8.42% | 0.03% |
| Feb. 18, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 53704 | $314.12 | 147,656.0000 | 38,600,000 | 57.16% | 0.14% |
| Feb. 18, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 23504 | $314.12 | 124,152.0000 | 38,600,000 | 15.92% | 0.06% |
| Feb. 18, 2026 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Performance Units | 32849 | $0.00 | 0.0000 | 38,600,000 | 100.00% | 0.09% |
| May 21, 2025 | ONTO INNOVATION INC. | $ONTO | Kelley Stephen Douglas | Director | A | Common Stock | 2114 | $0.00 | 5,623.0000 | 49,660,000 | 60.25% | 0.00% |
| March 16, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 3873 | $106.19 | 93,952.0000 | 37,800,000 | 3.96% | 0.01% |
| March 1, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 9361 | $115.17 | 97,825.0000 | 37,800,000 | 8.73% | 0.02% |
| March 1, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 10450 | $0.00 | 107,186.0000 | 37,800,000 | 10.80% | 0.03% |
| March 1, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Performance Units | 42135 | $0.00 | 42,135.0000 | 37,800,000 | 9999.99% | 0.11% |
| March 1, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Restricted Stock Units | 27388 | $0.00 | 27,388.0000 | 37,800,000 | 9999.99% | 0.07% |
| March 1, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Restricted Stock Units | 10450 | $0.00 | 20,898.0000 | 37,800,000 | 33.34% | 0.03% |
| Feb. 20, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 11435 | $131.54 | 96,736.0000 | 37,800,000 | 10.57% | 0.03% |
| Feb. 20, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 26088 | $131.54 | 108,171.0000 | 37,800,000 | 31.78% | 0.07% |
| Feb. 20, 2025 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Performance Units | 53128 | $0.00 | 0.0000 | 37,800,000 | 100.00% | 0.14% |
| May 22, 2024 | ONTO INNOVATION INC. | $ONTO | Kelley Stephen Douglas | Director | A | Common Stock | 809 | $0.00 | 3,509.0000 | 49,318,000 | 29.96% | 0.00% |
| March 16, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 3874 | $95.75 | 82,083.0000 | 37,800,000 | 4.51% | 0.01% |
| March 1, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Performance Units | 31348 | $0.00 | 31,348.0000 | 37,800,000 | 9999.99% | 0.08% |
| March 1, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Restricted Stock Units | 31348 | $0.00 | 31,348.0000 | 37,800,000 | 9999.99% | 0.08% |
| March 1, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 8004 | $101.20 | 85,957.0000 | 37,800,000 | 10.27% | 0.02% |
| Feb. 21, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Performance Units | 44103 | $0.00 | 0.0000 | 37,800,000 | 100.00% | 0.12% |
| Feb. 21, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 8658 | $99.60 | 93,691.0000 | 37,800,000 | 8.46% | 0.02% |
| Feb. 21, 2024 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | M | Common Stock | 19801 | $99.60 | 102,619.0000 | 37,800,000 | 23.91% | 0.05% |
| March 16, 2023 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 3887 | $96.36 | 82,818.0000 | 37,721,000 | 4.48% | 0.01% |
| March 1, 2023 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Performance Units | 32849 | $0.00 | 32,849.0000 | 37,721,000 | 9999.99% | 0.09% |
| March 1, 2023 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | F | Common Stock | 3226 | $93.47 | 86,705.0000 | 37,721,000 | 3.59% | 0.01% |
| March 1, 2023 | ADVANCED ENERGY INDUSTRIES INC | $AEIS | Kelley Stephen Douglas | President and CEO | A | Common Stock | 32849 | $93.47 | 89,931.0000 | 37,721,000 | 57.55% | 0.09% |