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CIK 0001111928 · Large accelerated filer

IPG PHOTONICS CORP

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Ticker
IPGP
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
043444218
Phone
5083731100
Business address
377 SIMARANO DRIVE, MARLBOROUGH, MA, 01752
Open-market buys, last 90 days
$199,400
in 1 filing
Open-market sales, last 90 days
$5,194,313
in 4 filings, $5.2M under 10b5-1 plans

Net −$4,994,913. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Valentin Gapontsev Trust I −$3.6M 10% owner sold <1% of stake
  2. IP FIBRE DEVICES LTD −$1.3M 10% owner sold <1% of stake
  3. SCHERBAKOV EUGENE A −$260K Director sold 6% of stake
  4. PEELER JOHN R +$199K Director 1 filing

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-09-23 SCHERBAKOV EUGENE A Director Sale 10b5-1 −1,145 $82.17 $94K 70,130
2025-09-22 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −8,530 $81.53 $695K 6,876,307
2025-09-22 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −26,470 $82.28 $2.2M 6,849,837
2025-09-19 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −8,986 $80.78 $726K 6,905,018
2025-09-19 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −20,181 $81.81 $1.7M 6,884,837
2025-09-18 Ness Trevor SVP, Sales & Strategic Bus Dev Sale −1,578 $82.61 $130K 40,665
2025-09-18 Ness Trevor SVP, Sales & Strategic Bus Dev Sale −100 $83.15 $8K 40,565
2025-09-16 Valentin Gapontsev Trust I 10% owner Sale −14,180 $80.67 $1.1M 7,059,099
2025-09-15 Valentin Gapontsev Trust I 10% owner Sale −37,894 $80.54 $3.1M 7,087,705
2025-09-15 Valentin Gapontsev Trust I 10% owner Sale −14,426 $81.15 $1.2M 7,073,279
2025-08-27 Ness Trevor SVP, Sales & Strategic Bus Dev Sale −1,004 $82.69 $83K 42,917
2025-08-27 Ness Trevor SVP, Sales & Strategic Bus Dev Sale −674 $83.31 $56K 42,243
2025-08-08 Bucher Paulus SVP, Global Operations Grant or award +4,185 4,185
2025-08-08 Desmond Jeanmarie F. Director Sale −1,360 $76.24 $104K 9,740
2025-06-18 Meurice Eric Director Shares withheld for taxes −272 22,803
2025-06-06 Lopresti Angelo P SVP, Secretary & Gen Counsel Sale −4,500 $69.28 $312K 64,385
2025-06-05 Gitin Mark Milton CEO Shares withheld for taxes −4,641 79,242
2025-05-20 Samartsev Igor SVP, Chief Scientist Grant or award +3,759 113,265
2025-05-20 PEELER JOHN R Director Grant or award +3,759 15,740
2025-05-20 Dougherty Greg Director Grant or award +3,759 15,898

Page 11 of 12 · 238 trades