Kelley Stephen Douglas 4
4 · ADVANCED ENERGY INDUSTRIES INC · Filed Mar 12, 2026
Research Summary
AI-generated summary of this filing
Advanced Energy (AEIS) CEO Kelley Stephen Douglas Sells Shares
What Happened
Kelley Stephen Douglas, President & CEO and a director of Advanced Energy Industries, sold 50,000 shares in multiple open-market transactions on March 10, 2026. The individual trades ranged in price from $305.48 to $321.13 and generated total proceeds of approximately $15,830,829. The filing indicates these sales were made pursuant to a Rule 10b5-1 trading plan adopted on December 5, 2025.
Key Details
- Transaction date: March 10, 2026; Form 4 filed March 12, 2026 (timely filing).
- Total shares sold: 50,000; total proceeds: ~$15.83 million.
- Price range reported: $305.48 to $321.13; several blocks reported as weighted-average prices with per-block ranges (see footnotes F2–F13).
- Footnotes: F1 = sale pursuant to a 10b5-1 plan (adopted Dec 5, 2025). F2–F13 = weighted-average sale prices with ranges; the filer offers to provide per-price breakdown on request.
- Shares owned after transaction: not specified in the provided filing.
Context
Sales under a 10b5-1 plan are prearranged dispositions and are generally treated as routine trading rather than a direct signal of the insider’s current view of the company. For retail investors, purchases are typically given more weight as positive signals; this disclosure documents a significant, pre-planned sale by the CEO. If you need the per-transaction price breakdown within the reported ranges, the filing notes the reporting person will provide those details upon request.
Insider Transaction Report
Form 4
Kelley Stephen Douglas
DirectorPresident and CEO
Transactions
- Sale
Common Stock
[F1]2026-03-10$305.48/sh−543$165,876→ 129,833 total - Sale
Common Stock
[F1][F2]2026-03-10$306.87/sh−876$268,818→ 128,957 total - Sale
Common Stock
[F1][F3]2026-03-10$306.96/sh−1,112$341,340→ 127,845 total - Sale
Common Stock
[F1][F4]2026-03-10$309.77/sh−1,224$379,158→ 126,621 total - Sale
Common Stock
[F1][F5]2026-03-10$311.88/sh−3,330$1,038,560→ 123,291 total - Sale
Common Stock
[F1][F6]2026-03-10$313.80/sh−3,718$1,166,708→ 119,573 total - Sale
Common Stock
[F1][F7]2026-03-10$314.82/sh−5,678$1,787,548→ 113,895 total - Sale
Common Stock
[F1][F8]2026-03-10$315.88/sh−2,312$730,315→ 111,583 total - Sale
Common Stock
[F1][F9]2026-03-10$317.21/sh−2,309$732,438→ 109,274 total - Sale
Common Stock
[F1][F10]2026-03-10$317.94/sh−7,229$2,298,388→ 102,045 total - Sale
Common Stock
[F1][F11]2026-03-10$319.05/sh−13,278$4,236,346→ 88,767 total - Sale
Common Stock
[F1][F12]2026-03-10$319.90/sh−7,535$2,410,447→ 81,232 total - Sale
Common Stock
[F1][F13]2026-03-10$321.13/sh−856$274,887→ 80,376 total
Footnotes (13)
- [F1]The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 5, 2025.
- [F10]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $317.67 to $318.64, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F11]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $318.69 to $319.62, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F12]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $319.74 to $320.41, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F13]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $320.81 to $321.35, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F2]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $306.79 to $307.21, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F3]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $307.89 to $308.00, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F4]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $309.68 to $310.02, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F5]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $311.81 to $312.19, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F6]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $313.15 to $314.09, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F7]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $314.28 to $315.05, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F8]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $315.36 to $315.91, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
- [F9]Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $316.56 to $317.50, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.
Signature
/s/ Elizabeth Vonne - Attorney-in-Fact|2026-03-12