Elizabeth Karpinski Vonne - 23 Feb 2026 Form 4 Insider Report for ADVANCED ENERGY INDUSTRIES INC (AEIS)

Signature
Elizabeth Vonne
Issuer symbol
AEIS
Transactions as of
23 Feb 2026
Net transactions value
-$316,597
Form type
4
Filing time
24 Feb 2026, 18:02:15 UTC
Previous filing
15 Apr 2025
Next filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vonne Elizabeth Karpinski EVP, General Counsel 1595 WYNKOOP STREET, SUITE 800, DENVER Elizabeth Vonne 24 Feb 2026 0001923149

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AEIS Common Stock Sale $316,597 -964 -7.6% $328.42 11,683 23 Feb 2026 Direct F1
transaction AEIS Common Stock Sale $0.3298 -0 -0% $329.76 11,683 23 Feb 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 12, 2025.
F2 Represents 3,065 shares of unvested restricted stock units and 8,618 shares of common stock.