Advanced Energy Form 4 Filings

ADVANCED ENERGY INDUSTRIES INC (AEIS) director Anne DelSanto reported an indirect sale of 265 shares of common stock on September 8, 2026 at an average price of $288.14 per share. The shares were sold from The Delsanto Family Trust, where she serves as trustee, and the trust held 7,952 shares after the sale. The sale was made under a Rule 10b5-1 trading plan adopted on March 10, 2026.

ADVANCED ENERGY INDUSTRIES INC (AEIS) reported that executive officer Vonne Elizabeth Karpinski, EVP and General Counsel, sold 907 shares of common stock on 2026-08-27 at $290.05 per share in an open-market or private transaction. The sale was made pursuant to a Rule 10b5-1 trading plan adopted on May 19, 2026. After this sale, Karpinski directly holds 9,805 shares, which include 36.885 shares acquired through the company’s Dividend Reinvestment Plan, with reported figures rounded to the nearest share.

ADVANCED ENERGY INDUSTRIES INC (AEIS) director Grant H. Beard reported a bona fide gift transfer of 9,000 shares of common stock on 2026-08-13. After this gift disposition, he directly holds 60,159 shares, which include 404.062 shares acquired through a Dividend Reinvestment Plan.

ADVANCED ENERGY INDUSTRIES INC (AEIS) reported that EVP and COO Eduardo Bernal exercised employee stock options for 6,042 shares of common stock at an exercise price of $85.97 per share on August 18, 2026, and simultaneously disposed of the corresponding option position. On the same date, he sold a total of 24,771 shares of common stock in multiple open-market transactions at weighted-average prices ranging from about $309 to $333 per share, all pursuant to a Rule 10b5-1 trading plan adopted on May 19, 2026.

ADVANCED ENERGY INDUSTRIES INC (AEIS) reported that officer Vonne Elizabeth Karpinski, EVP and General Counsel, sold 908 shares of common stock on August 18, 2026 at $332.68 per share in an open-market or private transaction.

After this sale, Karpinski held 10,712 shares directly, which includes 36.885 shares acquired through a Dividend Reinvestment Plan. The sale was made pursuant to a Rule 10b5-1 trading plan adopted on May 19, 2026.

Advanced Energy Industries director Anne DelSanto reported an indirect sale of 270 shares of Common Stock at $345.00 per share on August 5, 2026. The shares were held by The Delsanto Family Trust, where she serves as trustee, under a Rule 10b5-1 trading plan adopted on March 10, 2026, and 8,217 shares remain held indirectly after the transaction.

ADVANCED ENERGY INDUSTRIES INC director Brian Shirley sold 1,234 shares of common stock in an open-market transaction on June 15, 2026 at an average price of $372.35 per share. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025. After the transaction, he directly holds 6,663 shares. A prior transfer of shares from The Shirley Family Trust into his direct account in October 2025 was a change in form of ownership with no change in his economic interest.

ADVANCED ENERGY INDUSTRIES INC director Shirley Brian reported receiving an annual equity award of 587 restricted stock units on May 7, 2026. The grant represents the equity portion of the non-employee directors' retainer for Board services under the company’s 2023 Amended and Restated Omnibus Incentive Plan.

The restricted stock units convert into an equal number of shares of common stock and vest on the one-year anniversary of the grant date, contingent on Brian’s continued service as a director on that date. Following this grant, Brian holds 587 restricted stock units directly. The units are not exercisable and do not have an expiration date.

ADVANCED ENERGY INDUSTRIES INC director equity grant: Board member John A. Roush received 587 restricted stock units on May 7, 2026 as the equity portion of the non-employee directors' retainer under the 2023 Amended and Restated Omnibus Incentive Plan. These restricted stock units convert into an equal number of common shares and will vest on the one-year anniversary of the grant date, contingent on his continued service as a director. Restricted stock units are not exercisable and do not have an expiration date. Following this grant, Roush holds 587 restricted stock units directly.

David Reed reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED ENERGY INDUSTRIES INC director David Reed received an annual equity award of 587 restricted stock units. The RSUs were granted on May 7, 2026 as the equity portion of his non-employee director retainer under the 2023 Amended and Restated Omnibus Incentive Plan.

The restricted stock units vest on the one-year anniversary of the grant date, contingent on his continued service as a director on that date. Following this grant, Reed is reported as directly holding 587 RSUs, each representing one share of common stock upon vesting and settlement.

Minnix Lanesha reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED ENERGY INDUSTRIES INC director Lanesha Minnix received an annual grant of 587 restricted stock units on May 7, 2026 as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan.

The 587 restricted stock units correspond to 587 shares of common stock and were granted at no cash cost. They vest on the one-year anniversary of the grant date, contingent on her continued service as a director on that date. The units are not exercisable and do not have an expiration date.

Advanced Energy Industries director Ronald C. Foster received an annual grant of 587 restricted stock units on May 7, 2026 as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan.

The restricted stock units convert into an equal number of shares of common stock and vest on the one-year anniversary of the grant date, contingent on Foster’s continued service as a director on that date. After this grant, he holds 587 restricted stock units directly.

Donikowski Tina reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED ENERGY INDUSTRIES INC director Tina Donikowski received an equity award of 587 restricted stock units on May 7, 2026. The grant represents the equity portion of the non-employee directors' annual retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan.

The 587 restricted stock units, which correspond to an equal number of shares of common stock, will vest on the one-year anniversary of the grant date, contingent on her continued service as a director. These restricted stock units are not exercisable and do not have an expiration date.

DelSanto Anne reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED ENERGY INDUSTRIES INC director Anne DelSanto received an equity grant in the form of restricted stock units. On May 7, 2026 she was awarded 587 restricted stock units as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan.

The restricted stock units represent the right to receive 587 shares of common stock and are not exercisable and have no expiration date. They vest on the one-year anniversary of the grant date, contingent on her continued service as a director on that date. Following this grant, she holds 587 restricted stock units directly.

BALL FREDERICK reported acquisition or exercise transactions in this Form 4 filing.

ADVANCED ENERGY INDUSTRIES INC reported that director Frederick Ball received an annual equity grant of 587 restricted stock units on May 7, 2026. This award represents the equity portion of the non-employee directors' retainer under the 2023 Amended and Restated Omnibus Incentive Plan.

The restricted stock units will vest on the one-year anniversary of the grant date, contingent on his continued service as a director at that time. These units relate to an equivalent number of shares of common stock, are not exercisable, do not have an expiration date, and this filing shows 587 units held following the grant.

ADVANCED ENERGY INDUSTRIES INC reported that director Grant H. Beard received an annual grant of 760 restricted stock units on May 7, 2026 as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan.

The 760 restricted stock units convert into an equal number of shares of common stock and will vest on the one-year anniversary of the grant date, contingent on Beard's continued service as a director on that date. These restricted stock units are not exercisable and do not have an expiration date.

Advanced Energy Industries director Lanesha Minnix acquired 2,313 shares of common stock through the vesting of restricted stock units. The RSUs were granted on May 2, 2025 and vested one year later on a one-for-one basis into common shares. After this transaction, Minnix directly holds 6,898 common shares, which include 2.409 shares accumulated through the company’s Dividend Reinvestment Plan.

ADVANCED ENERGY INDUSTRIES INC director Grant H. Beard acquired 3,029 shares of Common Stock through the vesting of restricted stock units. The Form 4 shows a derivative exercise/conversion where 3,029 restricted stock units converted into 3,029 common shares on a one-for-one basis at no cash cost.

Following this transaction, Beard directly owns 69,157 common shares, which the footnotes state include 402.093 shares accumulated through the company’s Dividend Reinvestment Plan. The filing reflects routine equity compensation vesting with no open-market purchase or sale.

Advanced Energy Industries director Frederick Ball exercised 2,313 restricted stock units on conversion into an equal number of common shares. These units were granted on May 2, 2025 and vested on the one-year anniversary of that grant.

After the conversion, 3,820 common shares are associated with the 1998 Ball Family Trust, where Ball serves as trustee. Of this total, 2,313 shares are currently held directly by Ball with instructions to transfer them to the trust, and 1,507 shares are already held indirectly by the trust, including 189 acquired through the Dividend Reinvestment Plan. Separate holding entries show 20,000 common shares held indirectly in the Frederick A Ball Annuity Trust and 20,000 common shares held indirectly in the Lynn A Ball 2025 Annuity Trust.

ADVANCED ENERGY INDUSTRIES INC director Ronald C. Foster reported routine equity compensation activity. On May 2, 2026, he exercised 2,313 restricted stock units that were granted on May 2, 2025, converting them into the same number of common shares on a one-for-one basis at a stated price of $0.00 per share. Following this vesting and conversion, he holds 6,663 common shares directly, while additional indirect holdings are reported through the Kathryn A. Foster 2020 Spousal Trust and the Ronald C. Foster 2021 Trust, each showing 18,425 common shares held with trustee and beneficiary relationships disclosed.

ADVANCED ENERGY INDUSTRIES INC director Tina Donikowski acquired 2,313 shares of Common Stock through the vesting of restricted stock units. On May 2, 2026, 2,313 previously granted restricted stock units converted into common stock on a one-for-one basis at no cash exercise price. Following this conversion, she holds 10,561 shares of Common Stock directly. The footnotes explain that the restricted stock units were granted on May 2, 2025, vested one year later, and that such units are not exercisable and have no expiration date.

Advanced Energy Industries director Anne DelSanto exercised 2,313 restricted stock units into the same number of common shares on May 2, 2026, at no cash exercise price. These RSUs were originally granted on May 2, 2025 and vest one year later on a one-for-one basis.

After this conversion, DelSanto is shown with 8,487 common shares in total. Of these, 2,313 shares were newly issued and are currently held directly with standing instructions to transfer them to The DelSanto Family Trust, while 6,174 shares are already held indirectly through that trust, where she serves as trustee.

ADVANCED ENERGY INDUSTRIES INC director John A. Roush increased his direct holdings through an equity award vesting. On May 2, 2026, he acquired 2,313 shares of Common Stock when an equal number of restricted stock units vested and converted on a one-for-one basis. These restricted stock units were originally granted on May 2, 2025 and did not require an exercise price. Following the conversion, Roush directly holds 29,905 shares of Common Stock.

ADVANCED ENERGY INDUSTRIES INC director David Reed increased his direct shareholdings through an equity award vesting. On May 2, 2026, 2,313 restricted stock units converted into 2,313 shares of common stock on a one-for-one basis. These RSUs were originally granted on May 2, 2025 and vested on the one-year anniversary of the grant date. Following the conversion, Reed directly holds 9,896 shares of common stock, with no shares reported as sold in this filing.

Advanced Energy Industries director Brian Shirley exercised 2,313 restricted stock units into the same number of common shares at a stated price of $0.00 per share. The units were granted on May 2, 2025 and vested one year later on a one-for-one basis into common stock.

After this conversion, Shirley is shown with 7,897 common shares in total. Of these, 2,313 shares are issued and held directly with instructions to transfer them to The Shirley Family Trust, and 5,584 shares are already held indirectly by that trust, where he and his spouse serve as trustees and beneficiaries.

ADVANCED ENERGY INDUSTRIES INC executive Elizabeth Vonne Karpinski sold shares in a planned transaction. As EVP and General Counsel, she completed an open-market sale of 966 shares of common stock at $369.40 per share. The trade was executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 12, 2025, indicating it was scheduled in advance rather than timed opportunistically. After this sale, she directly holds 11,616 shares. A portion of her position includes shares acquired through the company’s Dividend Reinvestment Plan.

ADVANCED ENERGY INDUSTRIES INC director Anne DelSanto, through The Delsanto Family Trust, reported an open-market sale of 240 shares of common stock at $380.52 per share on April 15, 2026. The trust continues to hold 6,174 shares indirectly after the transaction. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2025, indicating it was scheduled in advance rather than timed discretionarily.

ADVANCED ENERGY INDUSTRIES INC executive vice president and CFO Paul R. Oldham filed an amended insider report to correct a prior administrative error. The amendment clarifies that on February 20, 2025, 3,189 shares of common stock were withheld to satisfy tax liabilities upon vesting of performance stock units, at a reference price of $131.54 per share. After this tax-withholding disposition, his directly held common stock position is reported as 34,598 shares. The amendment explains that earlier Form 4 filings had understated his beneficial ownership by 1,158 shares due to the originally misreported tax-withholding amount.

Advanced Energy Industries EVP and CFO Paul R. Oldham reported an open-market sale of 4,314 shares of common stock. The shares were sold on March 18, 2026 at a price of $315.99 per share. After this transaction, he directly owns 22,217 shares of the company’s stock. According to a footnote, the sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on August 20, 2025, indicating it was scheduled in advance rather than timed opportunistically.

ADVANCED ENERGY INDUSTRIES INC director Anne DelSanto reported an open-market sale of 240 shares of common stock at $312.59 per share on March 16, 2026. The transaction was executed indirectly through The Delsanto Family Trust, where she serves as trustee.

The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2025. Following this transaction, the trust continues to hold 6,414 shares of Advanced Energy common stock indirectly for DelSanto.

Advanced Energy Industries director Brian Shirley reported an open-market sale of 1,234 shares of common stock at $310.19 per share. The shares are held indirectly through The Shirley Family Trust, which now holds 5,584 shares after the transaction. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 12, 2025, indicating it was scheduled in advance rather than timed opportunistically.

Advanced Energy Industries President and CEO Stephen Douglas Kelley sold 50,000 shares of common stock in open-market transactions. The sales occurred on March 10, 2026 under a Rule 10b5-1 trading plan adopted on December 5, 2025, at prices ranging from $306.79 to $321.35 per share. Following these transactions, he directly owns 80,376 shares.

Advanced Energy Industries director John A. Roush reported selling a total of 10,225 shares of common stock on March 4, 2026 in a series of open-market transactions. The sales were executed at reported weighted-average prices including $319.78, $320.76, $322.32, $323.79, $324.29, $325.26 and $326.75 per share. According to the filing, these transactions were made under a Rule 10b5-1 trading plan adopted on December 3, 2025. Following the transactions, Roush directly owned 27,593 shares of Advanced Energy Industries common stock.

Advanced Energy Industries senior vice president and chief accounting officer Bernard Raymond Colpitts Jr. reported several equity transactions. On March 3, 2026, he completed an open-market sale of 1,104 shares of common stock at $325.60 per share under a pre-arranged Rule 10b5-1 trading plan adopted on August 19, 2025.

On March 1, 2026, previously granted restricted stock units (RSUs) vested, converting into 979 and 983 shares of common stock on a one-for-one basis, with 858 shares withheld at $335.57 per share to cover tax liabilities. He also received new awards of 1,328 RSUs and 1,327 performance units under the company’s 2023 omnibus incentive plan.

ADVANCED ENERGY INDUSTRIES INC EVP Global Sales John Donaghey reported multiple equity-related transactions dated March 1, 2026. He acquired restricted stock units, performance units, and phantom stock awards at no cost under the company’s long-term incentive and deferred compensation plans. Vested RSUs were converted one-for-one into common stock, with 1,736 shares of common stock withheld to cover taxes and 875 shares disposed to the issuer in connection with deferrals into phantom stock. Following these transactions, Donaghey directly held 16,276 shares of common stock and 4,948 shares of phantom stock.

Advanced Energy Industries EVP and General Counsel Vonne Elizabeth Karpinski reported multiple equity-related transactions on March 1, 2026. She acquired common stock through the vesting and conversion of restricted stock units (RSUs), including 1,959 and 1,377 shares from RSU exercises at a price of $0.00 per share.

She also received new awards of 2,656 RSUs, 2,655 performance units, and 1,027 shares of phantom stock, all at $0.00 per share, under the company’s long-term incentive and deferred compensation plans. To satisfy tax withholding on vested RSUs, 2,033 shares of common stock were disposed of, and 437 shares were transferred back to the issuer in connection with a deferral election into phantom stock.

ADVANCED ENERGY INDUSTRIES INC EVP and COO Eduardo Bernal Acebedo reported equity compensation activity on March 1, 2026. He acquired 4,898 and 3,371 shares of common stock through exercises of previously granted restricted stock units that convert one-for-one into common stock. He also received new awards of 4,648 restricted stock units and 4,647 performance units under the company’s Amended and Restated 2023 Omnibus Incentive Plan, with RSUs vesting in three equal installments and performance units subject to a three-year performance period and achievement of performance metrics.

Advanced Energy Industries EVP and CFO Paul R. Oldham reported multiple equity-related transactions on March 1, 2026. He acquired common stock through the vesting and conversion of restricted stock units and received new grants of restricted stock units, performance units, and phantom stock under the company’s long-term incentive and deferred compensation plans.

He also disposed of common shares to cover tax withholding at a price of $335.57 per share and made an additional disposition to the issuer in connection with deferring 3,153 vested shares into phantom stock. Following these transactions, he continued to hold common stock and various equity-based awards directly.

Advanced Energy Industries President and CEO Stephen Douglas Kelley reported several equity transactions on common stock and awards tied to company shares. He acquired 10,449 and 9,130 shares of common stock through exercises/conversions of restricted stock units (RSUs) that vested on March 1, 2026.

He also received new grants of 11,620 RSUs and 18,260 performance share awards under the company’s long-term incentive plan. To satisfy tax obligations, 13,355 shares of common stock were disposed of at $335.57 per share.

After these transactions, his holdings included 119,426 shares of common stock and 10,950 unvested RSUs, for a total of 130,376 share-based interests directly owned.

ADVANCED ENERGY INDUSTRIES INC executive reports a discretionary change in deferred compensation holdings. EVP and CFO Paul R. Oldham made a discretionary transaction involving 6,324.114 shares of phantom stock under the company’s deferred compensation plan. Each phantom stock share represents a right to receive one share of common stock or its cash value.

After this transfer into alternative investments within the plan, Oldham holds a total of 15,473.018 phantom stock shares. These phantom shares generally become payable based on his distribution elections under the plan or upon termination of service, death, or disability.

ADVANCED ENERGY INDUSTRIES INC EVP and General Counsel Vonne Elizabeth Karpinski reported an open‑market sale of 964.001 shares of common stock on February 23, 2026. The shares were sold at prices around $328.42–$329.76 under a pre‑arranged Rule 10b5‑1 trading plan adopted on November 12, 2025. After these transactions, she holds 11,683 shares in total, consisting of 3,065 unvested restricted stock units and 8,618 shares of common stock.

Advanced Energy Industries EVP and General Counsel Elizabeth Vonne Karpinski reported multiple equity award transactions tied to long‑term incentives. Performance units granted under the 2023 Long-Term Incentive Plan vested based on performance metrics, resulting in the issuance of 5,255 performance units converted into common stock on February 18, 2026.

She acquired 8,591 shares of common stock through derivative exercises at $314.12 per share, then disposed of 2,839 shares to cover tax obligations via share withholding and a further 2,148 shares in a disposition to the issuer linked to her deferred compensation election. In lieu of receiving those 2,148 shares in stock, she acquired 2,148 shares of phantom stock, bringing her direct holdings to 12,647 common shares plus 3,024 phantom stock units, alongside 3,065 unvested restricted stock units.

ADVANCED ENERGY INDUSTRIES INC EVP John Donaghey reported equity award activity, not open-market trading. On February 18, 2026, performance units vested into 5,255 shares under the 2023 Long-Term Incentive Plan, following achievement of performance metrics approved for release by the Board.

These units were exercised into 8,590 shares of common stock at $314.12 per share. To cover tax obligations, 3,273 shares of common stock were withheld, described as payment of tax liability incident to vesting of performance stock units. After these transactions, Donaghey directly held 15,346 shares of common stock, consisting of 12,719 common shares and 2,627 unvested restricted stock units.

ADVANCED ENERGY INDUSTRIES INC EVP & CFO Paul R. Oldham reported equity award activity and related share movements. On February 18, 2026, he acquired 15,466 shares of phantom stock at $0, reflecting a deferral of the same number of common shares under the company’s deferred compensation plan. He also exercised 15,466 shares of common stock from derivative securities at $314.12 per share, and disposed of 15,466 shares of common stock back to the issuer. In a related derivative transaction dated February 20, 2025, he exercised 9,460 performance units at $0. Following these transactions, his direct holdings included common stock and unvested restricted stock units as described in the footnotes.

Advanced Energy Industries EVP and COO Eduardo Bernal Acebedo acquired shares through a performance-based equity vesting. On the performance unit side, 8,409 performance units vested and were exercised pursuant to a 2023 Long-Term Incentive Plan award, following achievement of the plan’s performance metrics and a Board-approved 2/18/2026 release date.

These units converted into 13,747 shares of common stock at a stated price of $314.12 per share through a derivative exercise. After these transactions, Acebedo directly holds 33,569 shares of common stock, consisting of 7,967 unvested restricted stock units and 25,602 shares of common stock.

Advanced Energy Industries President and CEO Stephen Douglas Kelley reported equity compensation activity involving performance-based awards. On February 18, 2026, he acquired 53,704 shares of common stock through the vesting and conversion of performance units granted under the 2023 Long-Term Incentive Plan, based on achieved performance metrics. On the same date, 23,504 shares of common stock were automatically disposed of to cover tax liabilities associated with this vesting. After these transactions, Kelley directly held 124,152 shares, consisting of 21,899 unvested restricted stock units and 102,253 shares of common stock.

Advanced Energy Industries director Anne DelSanto reported an open-market sale of 240 shares of common stock at $311.04 per share on February 17, 2026. The transaction was executed indirectly by The DelSanto Family Trust, for which she serves as trustee, under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2025.

Following this sale, the trust continued to hold 6,654 shares of Advanced Energy common stock.

Advanced Energy Industries director Lanesha Minnix sold 1,000 shares of common stock in an open-market transaction. The sale occurred at a price of $316.625 per share. After this transaction, Minnix directly owns 4,585 shares of the company’s stock. A footnote notes that this amount includes 2.409 shares acquired through a Dividend Reinvestment Plan, with reported numbers rounded down to the nearest whole share.

Advanced Energy Industries director Anne DelSanto, through The Delsanto Family Trust, reported a small planned stock sale. On 01/15/2026, the trust sold 240 shares of Advanced Energy Industries common stock at a price of $247 per share under transaction code S.

The sale was executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2025, indicating it was pre-arranged. After this transaction, The Delsanto Family Trust beneficially owned 6,894 shares of the company’s common stock, reported as indirectly owned by the director.