IPG Photonics Corporation Form 4 Filings

IPG PHOTONICS CORP (IPGP) director John R. Peeler reported two open-market purchases of common stock on August 26, 2026. He bought 1,552 shares at a weighted average price of $72.84 per share (with individual trades between $72.44 and $73.37), and 1,158 shares at a weighted average price of $74.57 per share (with trades between $74.12 and $75.07). In total, Peeler purchased 2,710 shares in direct ownership.

IPG Photonics Corp executive Paulus Bucher, SVP Global Operations, reported a disposition of 663 shares of common stock on 2026-08-08. The shares were withheld to cover taxes on vested restricted stock units, at a value of $90.23 per share, leaving him with 6,053 directly held shares.

IP Fibre Devices Ltd, a more-than-10% owner of IPG Photonics Corp, reported selling a total of 30,313 shares of common stock in multiple open market or private transactions on August 4–5, 2026. The sales were executed at weighted average prices between $95.18 and $98.71 per share, with individual trades occurring within the price ranges disclosed for each tranche. All transactions were carried out under a Rule 10b5-1 trading plan adopted on March 17, 2026.

IPG Photonics Corp shareholder IP Fibre Devices Ltd, a ten percent owner, reported selling 27,000 shares of common stock on July 31, 2026. The sales were executed in multiple open-market transactions at weighted average prices of $85.76 and $86.14, with additional blocks at $87.45 and $88.59, under a Rule 10b5-1 trading plan adopted March 17, 2026.

Eugene A. Scherbakov, a director and 10% owner of IPG Photonics Corp, reported selling 1,524 shares of common stock on July 31, 2026. The four non-derivative sales were executed at weighted average prices from $85.72 to $88.68 per share, in price ranges detailed for each trade. All transactions were effected under a Rule 10b5-1 trading plan adopted on March 17, 2026.

IPG Photonics Corp ten percent owner Valentin Gapontsev Trust I reported selling a total of 56,316 shares of common stock on July 21, 2026 in four sale transactions. The weighted average prices were $100.08, $101.20, $102.04 and $103.00 per share, each covering multiple trades within stated price ranges. The sales were effected pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 17, 2026.

IPG Photonics Corp large shareholder IP Fibre Devices Ltd, a ten percent owner, reported open-market sales of a total of 65,700 shares of common stock on June 29, 2026.

The shares were sold in multiple transactions at prices ranging from $99.55 to $106.87 per share, with several tranches reported at weighted-average prices between about $100.19 and $106.40. These sales were executed pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2026. Following the transactions, IP Fibre Devices Ltd directly holds 6,463,302 shares of IPG Photonics common stock.

IPG Photonics senior vice president, secretary and general counsel Angelo P. Lopresti sold 1,000 shares of common stock in an open-market transaction at a weighted average price of $110.33 per share. After the sale, he directly holds 59,841 shares.

The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 17, 2026, indicating it was scheduled in advance rather than timed discretionarily. Individual sale prices ranged from $110.15 to $110.47 per share.

IPG Photonics director and 10% owner Eugene A. Scherbakov sold 1,524 shares of common stock in open-market transactions. The sales occurred on June 29, 2026 at prices just above $100 per share, including trades at $100.43, $101.24, $102.92, $104.63 and $106.66.

The filing states these sales were made under a pre-arranged Rule 10b5-1 trading plan adopted on March 17, 2026, indicating they were scheduled in advance. After these transactions, Scherbakov directly owns 49,734 shares of IPG Photonics common stock.

IPG Photonics Corp director Agnes Tang reported open-market sales of 1,511 shares of common stock on June 22, 2026, in multiple transactions under a pre-arranged Rule 10b5-1 trading plan.

The shares were sold at weighted average prices of $117.32, $118.08, and $119.32 per share across price ranges detailed in the filing. Following these sales, Tang directly holds 9,588 shares of IPG Photonics common stock.

IPG Photonics CEO Mark Milton Gitin reported a routine tax-related share disposition. On the Form 4, 4,641 shares of common stock were withheld at $107.37 per share to cover taxes on vested restricted stock units. After this withholding, he directly holds 87,232 shares of IPG Photonics common stock.

IPG Photonics senior vice president and chief financial officer Timothy PV Mammen reported selling a total of 9,975 shares of the company’s Common Stock in two open-market transactions on May 22, 2026.

He sold 7,263 shares at a weighted average price of $119.60 per share and 2,712 shares at a weighted average price of $120.37 per share. Footnotes explain that each trade was executed across multiple prices within narrow ranges around those averages.

IPG Photonics director Jeanmarie F. Desmond reported an open-market sale of 1,690 shares of Common Stock. The shares were sold at a weighted average price of $105.58 per share, with individual sale prices ranging from $105.11 to $105.89. After this transaction, Desmond directly holds 10,486 shares of IPG Photonics common stock.

KENNEDY KOLLEEN T reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics director Kolleen T. Kennedy received a grant of 2,436 shares of common stock as a restricted stock unit award. The grant price is shown as $0.00 per share, indicating it is compensation rather than an open-market purchase. After this award, Kennedy directly holds 11,513 common shares.

The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to her continued service as a director through the vesting date.

PEELER JOHN R reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp director equity award: Director John R. Peeler received 2,436 shares of common stock as a grant of restricted stock units at a stated price of $0.00 per share. Following this award, he directly holds 18,176 shares of common stock.

The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, as long as he continues to serve as a director through the vesting date. This is a compensation-related equity grant rather than an open‑market purchase.

Dougherty Greg reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics director Greg Dougherty received a grant of 2,436 shares of Common Stock as equity compensation. The shares were awarded at a price of $0.00 per share and increase his direct holdings to 18,334 shares.

The award is structured as restricted stock units that vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, provided he continues to serve as a director through the vesting date.

Desmond Jeanmarie F. reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics director Jeanmarie F. Desmond received an equity grant of 2,436 shares of Common Stock as a restricted stock unit award. The grant price is listed as $0.00 per share, reflecting a compensation grant rather than an open-market purchase. Following this award, Desmond directly holds 12,176 shares of IPG Photonics common stock. The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, conditioned on continued service as a director through the vesting date.

Meurice Eric reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp director equity grant: Director Eric Meurice received an award of 2,436 shares of IPG Photonics common stock, reported at a price of $0.00 per share. This reflects a grant or award, not an open-market purchase.

According to the disclosure, these are restricted stock units that vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, subject to his continued service as a director. After this grant, Meurice directly holds 25,239 shares of common stock.

Samartsev Igor reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics insider filings show mostly updates to existing indirect holdings across multiple trusts and family accounts, with no reported open-market trades. These entries list post-transaction balances such as 241,341 shares held by "Trust-I May 2017" and 176,400 shares held by "Trust Sept. 2015."

The only new transaction is a grant of 2,436 shares of common stock at $0.00 per share, reported as indirectly owned "By Wife," increasing that indirect position to 115,701 shares. Footnotes describe this as restricted stock units vesting after the next qualifying annual stockholders' meeting, conditioned on continued board service.

Agnes Tang reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp director Agnes Tang received a grant of 2,436 shares of common stock as a restricted stock unit award. The award was granted at a stated price of $0.00 per share as equity compensation, not as an open-market purchase.

Following this grant, Tang directly holds 11,099 shares of IPG Photonics common stock. The restricted stock units vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders' meeting that occurs at least 50 weeks after the prior year's meeting, provided she continues serving as a director through the vesting date.

IPG Photonics director Gregory R. Beecher received an equity grant tied to his board service. He acquired 2,436 shares of common stock at a price of $0.00 per share as a grant or award, bringing his direct holdings to 12,216 shares after the transaction. The footnote explains this is a grant of restricted stock units that vest in full on the earlier of the first anniversary of the grant date or the next annual stockholders’ meeting that occurs at least 50 weeks after the prior year’s meeting, subject to his continued service as a director through the vesting date.

IPG Photonics Corp executive Mary E. Buttarazzi, the VP, Corporate Controller and Chief Accounting Officer, sold 500 shares of common stock in an open-market transaction at $116.22 per share. After this sale, she directly holds 4,749 shares, indicating a relatively small, routine reduction in her equity position.

IPG Photonics insiders Igor Samartsev, SVP and Chief Scientist, and director Natalia Pavlova reported their direct and indirect holdings of common stock. The filing lists Samartsev’s direct ownership and multiple indirect positions held through his spouse, her mother, and several trusts.

Footnotes state that Trust-I May 2017 received 5,369 shares from Samartsev and that Pavlova is an indirect beneficial owner as his spouse. Another footnote notes that on March 9, 2026, a Grantor Retained Annuity Trust made an annuity payment-in-kind of 28,908 shares to Trust May 2017.

IPG Photonics CEO Mark Milton Gitin reported a Form 4 transaction involving company Common Stock. On March 1, 2026, 7,603 shares were disposed of at a price of $131.57 per share to satisfy tax withholding obligations on vested restricted stock units, rather than through an open-market sale. After this tax-withholding disposition, he directly owned 91,873 shares of IPG Photonics common stock.

IPG Photonics senior vice president and general counsel Angelo P. Lopresti reported a tax-related share disposition under a Form 4. On this transaction, 3,848 shares of common stock were withheld to cover taxes on vested restricted stock units at a value of $131.57 per share. After this withholding, he directly holds 60,841 shares of IPG Photonics common stock.

IPG Photonics senior vice president and chief financial officer Timothy PV Mammen reported a Form 4 showing a tax-withholding disposition of 4,310 shares of common stock at $131.57 per share. These shares were withheld to cover taxes on vested restricted stock units, leaving him with 86,413 directly held shares.

IPG Photonics senior vice president and chief revenue officer Trevor Ness reported a tax-related share disposition. On March 1, 2026, 3,402 shares of common stock were withheld at $131.57 per share to cover taxes on vested restricted stock units. After this withholding, Ness directly holds 38,425 common shares.

IPG Photonics Corp executive Mary E. Buttarazzi reported a tax-related share disposition. On March 1, 2026, 435 shares of common stock were withheld at $131.57 per share to cover taxes on vested restricted stock units. After this withholding, she directly held 5,249 common shares.

IPG Photonics director and 10% owner Eugene A. Scherbako reported a tax-related share disposition. On March 1, 2026, 7,237 shares of Common Stock were withheld at $131.57 per share to cover taxes on vested restricted stock units. After this withholding transaction, he directly owned 51,258 shares of IPG Photonics common stock.

IPG Photonics insider activity shows a routine tax-related share disposition. SVP and Chief Scientist Igor Samartsev delivered 836 shares of common stock on March 1, 2026 to cover taxes on vested restricted stock units at $131.57 per share. After this tax-withholding disposition, he directly holds 10,449 common shares.

The filing also lists substantial indirect holdings in IPG Photonics common stock held by his spouse and a series of family trusts and related vehicles, with individual positions such as 113,265 shares by his wife and 235,972 shares by Trust-I May 2017. Director Natalia Pavlova is reported as an indirect beneficial owner of these shares as Dr. Samartsev’s spouse.

IP Fibre Devices Ltd, a more than 10% owner of IPG Photonics Corp, reported open-market sales of 64,167 shares of common stock over February 20, 23 and 24, 2026. The shares were sold at prices generally between the high $120s and high $130s per share, under a Rule 10b5-1 trading plan adopted on June 13, 2025. After these transactions, the reporting holder owned 6,529,002 shares of IPG Photonics common stock.

IPG Photonics director and 10% owner Eugene A. Scherbakov sold 2,700 shares of Common Stock on February 24, 2026 in open-market transactions. The sales were made under a pre-established Rule 10b5-1 trading plan adopted on June 13, 2025, at prices ranging from about $135.42 to $139.97 per share. After these transactions, he directly owns 58,495 IPG Photonics shares.

IPG Photonics Corp insiders Igor Samartsev, SVP and Chief Scientist, and director Natalia Pavlova filed a Form 4 updating their common stock holdings and indirect ownership structure. The filing lists direct shares and multiple indirect positions held through family members and several trusts.

The notes explain that, in connection with the termination of the Grantor Retained Annuity Trust II September 2021, 90,380 common shares were distributed to Trust-I May 2017 and continue to be reported as indirectly owned. Pavlova is identified as an indirect beneficial owner as Samartsev’s spouse.

Buttarazzi Mary E. reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corporation reported that VP, Corporate Controller and Chief Accounting Officer Mary E. Buttarazzi received an equity award of 1,789 shares of common stock in the form of restricted stock units. After this grant, she directly owns 5,684 common shares.

The restricted stock units vest over three years, with 33% vesting on March 1, 2027, 33% on March 1, 2028, and the remaining 34% on March 1, 2029, aligning her compensation with the company’s long-term performance.

Ness Trevor reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics senior vice president and chief revenue officer Trevor Ness received an equity award in the form of restricted stock units tied to common stock. The grant covers 4,621 shares at no purchase price and increases his directly owned common stock to 41,827 shares.

The restricted stock units vest in three annual installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029, aligning his compensation with longer-term company performance.

Mammen Timothy PV reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp reported that its Senior Vice President and Chief Financial Officer, Timothy PV Mammen, was granted 6,146 shares of common stock on February 18, 2026 as a stock award at a stated price of $0.0000 per share.

According to the footnote, this grant consists of restricted stock units that vest in three annual installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029, respectively. After this award, Mammen beneficially owned 90,723 shares of IPG Photonics common stock directly.

Bucher Paulus reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics Corp granted Senior Vice President of Global Operations Paulus Bucher a stock award representing 2,531 shares of common stock on February 18, 2026 at no purchase price. After this grant, his directly held stake totals 6,716 shares.

The award consists of restricted stock units that vest in three annual installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029, aligning long-term compensation with the company’s future performance.

Samartsev Igor reported acquisition or exercise transactions in this Form 4 filing.

IPG Photonics senior executive Igor Samartsev received an equity award of 1,688 shares of common stock in the form of restricted stock units at no cost. The units vest in three installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029.

Director Natalia Pavlova is reported as an indirect beneficial owner of these shares as Samartsev’s spouse, and the filing also lists additional indirect common‑stock holdings held through his wife, her mother and several family trusts.

IPG Photonics Corp reported that senior vice president, secretary and general counsel Angelo P. Lopresti acquired 4,465 shares of common stock through a grant described as restricted stock units. The award was made at a stated price of $0.00 per share and increases his directly held stake to 64,689 shares.

According to the grant terms, these restricted stock units vest in three annual installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029. This structure ties a portion of the executive’s compensation to future service and the company’s long‑term performance period.

IPG Photonics CEO Mark Milton Gitin reported an equity award of 19,887 shares of common stock in the form of restricted stock units. The award was granted on February 18, 2026 at a stated price of $0.00 per share as a grant, not an open-market purchase.

The restricted stock units vest in three annual installments of 33%, 33% and 34% on March 1, 2027, March 1, 2028 and March 1, 2029. Following this grant, Gitin directly owned 99,476 shares of IPG Photonics common stock, which include 172 shares acquired under the company’s Employee Stock Purchase Plan on June 30, 2025 and 175 shares acquired under the plan on December 31, 2025.

Valentin Gapontsev Trust I, a 10% owner of IPG Photonics Corp, sold 66,500 shares of common stock on February 17, 2026 in a series of open-market transactions under a Rule 10b5-1 trading plan. Sale prices ranged from $124.92 to $150.01 per share. After these sales, the trust held 6,726,599 shares directly.

IPG Photonics senior vice president and chief scientist Igor Samartsev exercised an employee stock option for 3,363 shares of common stock at an exercise price of $81.89 per share on February 17, 2026, receiving the shares as a direct acquisition.

The Form 4 is filed jointly by Samartsev and director Natalia Pavlova, who is reported as an indirect beneficial owner of various IPG Photonics share holdings through her spousal relationship and multiple family and trust accounts. Following the transaction, Samartsev directly holds 9,597 common shares, in addition to substantial indirect holdings reported across these related entities.

IPG Photonics director and 10% owner Eugene A. Scherbakov reported an option exercise and related share withholding. He exercised employee stock options for 7,592 shares of common stock at an exercise price of $81.89 per share, using a net share settlement method.

To cover the combined exercise price and withholding taxes, 5,727 shares of common stock were withheld at $153.91 per share, classified as a tax-withholding disposition. After these transactions, Scherbakov directly owned 61,195 shares of IPG Photonics common stock.

IPG Photonics Corporation executive Angelo P. Lopresti, who serves as SVP, Secretary and General Counsel and is a 10% owner, reported an option-related share transaction. On 02/12/2026, he exercised an employee stock option for 5,861 shares of common stock at an exercise price of $81.89 per share.

The filing shows the option exercise was done on a net share settlement basis, with 4,022 shares of common stock withheld by the issuer at $150.25 per share to cover the exercise price and related withholding taxes. After these transactions, Lopresti directly owned 60,224 shares of IPG Photonics common stock.

IPG Photonics director Eric Meurice reported an option exercise and share sale. On February 2, 2026, he exercised 750 director stock options at $87.87 per share, receiving 750 shares of common stock, then sold 750 common shares at $95 per share under a pre‑arranged Rule 10b5‑1 trading plan. Following these transactions, he directly owned 22,803 shares of IPG Photonics common stock.

IPG Photonics Corporation insider trade: Angelo P. Lopresti, a 10% owner and SVP, Secretary & General Counsel of IPG Photonics, sold 1,500 shares of common stock on January 21, 2026 at a price of $85 per share. After this transaction, he beneficially owned 58,385 shares of IPG Photonics common stock in direct form.

The sale was executed under a pre-established Rule 10b5-1 trading plan that the reporting person adopted on June 13, 2025, which is designed to allow insiders to sell shares according to preset instructions.

IPG Photonics Corporation director and 10% owner Eugene A. Scherbakov reported selling a total of 2,700 shares of common stock on January 21, 2026. The sales were made in three separate transactions: 93 shares at a weighted average price of $79.33 per share, 1,204 shares at a weighted average price of $80.37 per share, and 1,403 shares at a weighted average price of $81.57 per share. Each price represents the weighted average of multiple trades within disclosed ranges.

The filing states that these sales were executed under a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2025, which is designed to allow insiders to sell shares according to a preset schedule. Following the transactions, Scherbakov directly holds 59,330 shares of IPG Photonics common stock.

IPG Photonics Corporation’s 10% owner IP Fibre Devices Ltd reported multiple open-market sales of IPG Photonics common stock on January 16, 20, and 21, 2026. The transactions, all coded as sales, were executed at weighted average prices ranging from about $78.92 to $81.65 per share under a pre-arranged Rule 10b5-1 trading plan adopted on June 13, 2025. Following the last reported sale, the reporting person beneficially owned 6,593,169 shares of IPG Photonics common stock.

IPG Photonics Corp 10% owner Valentin Gapontsev Trust I reported planned sales of common stock. On 01/15/2026, the trust sold 571 shares at a weighted average price of $79.38 and 7,381 shares at a weighted average price of $80.16, in open-market transactions coded as sales. These trades were executed under a Rule 10b5-1 trading plan adopted on June 13, 2025, meaning the sales followed a pre-established schedule.

After these transactions, the reporting trust beneficially owned 6,793,099 shares of IPG Photonics common stock, held directly. The filing notes that the actual trade prices ranged from $78.66 to $79.63 for the first set of sales and from $79.68 to $80.50 for the second, and the trust has agreed to provide detailed breakdowns of shares sold at each price upon request.