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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
2026-03-01 Ness Trevor SVP, Chief Revenue Officer Shares withheld for taxes −3,402 $131.57 $448K 38,425
2026-03-01 Buttarazzi Mary E. VP, Corp Controller and CAO Shares withheld for taxes −435 $131.57 $57K 5,249
2026-03-01 SCHERBAKOV EUGENE A Director Shares withheld for taxes −7,237 $131.57 $952K 51,258
2026-03-01 Samartsev Igor SVP, Chief Scientist Shares withheld for taxes −836 $131.57 $110K 10,449
2026-02-24 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −100 $135.28 $14K 6,530,522
2026-02-24 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −1,520 $137.00 $208K 6,529,002
2026-02-24 SCHERBAKOV EUGENE A Director Sale 10b5-1 −200 $135.72 $27K 60,995
2026-02-24 SCHERBAKOV EUGENE A Director Sale 10b5-1 −1,500 $137.13 $206K 59,495
2026-02-24 SCHERBAKOV EUGENE A Director Sale 10b5-1 −400 $138.33 $55K 59,095
2026-02-24 SCHERBAKOV EUGENE A Director Sale 10b5-1 −600 $139.95 $84K 58,495
2026-02-23 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −4,241 $131.41 $557K 6,559,761
2026-02-23 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −4,604 $132.31 $609K 6,555,157
2026-02-23 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −7,994 $133.61 $1.1M 6,547,163
2026-02-23 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −16,421 $134.35 $2.2M 6,530,742
2026-02-23 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −120 $134.95 $16K 6,530,622
2026-02-20 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −500 $128.79 $64K 6,592,669
2026-02-20 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −2,300 $129.93 $299K 6,590,369
2026-02-20 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −4,461 $131.11 $585K 6,585,908
2026-02-20 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −16,422 $132.21 $2.2M 6,569,486
2026-02-20 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −5,484 $132.94 $729K 6,564,002

Page 4 of 12 · 238 trades