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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
2026-11-03 Valentin Gapontsev Trust I 10% owner Sale 10b5-1 −14,632 $75.18 $1.1M 6,622,234
2026-11-02 Valentin Gapontsev Trust I 10% owner Sale 10b5-1 −6,020 $75.18 $453K 6,636,866
2026-10-02 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −9,876 $85.39 $843K 6,396,113
2026-10-02 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −5,485 $86.09 $472K 6,390,628
2026-10-02 SCHERBAKOV EUGENE A Director Sale 10b5-1 −3,048 $85.30 $260K 45,162
2026-09-02 Valentin Gapontsev Trust I 10% owner Sale 10b5-1 −4,591 $75.65 $347K 6,647,601
2026-09-02 Valentin Gapontsev Trust I 10% owner Sale 10b5-1 −4,715 $76.25 $360K 6,642,886
2026-09-01 Valentin Gapontsev Trust I 10% owner Sale 10b5-1 −18,091 $75.14 $1.4M 6,652,192
2026-08-26 PEELER JOHN R Director Purchase +1,552 $72.84 $113K 19,728
2026-08-26 PEELER JOHN R Director Purchase +1,158 $74.57 $86K 20,886
2026-08-08 Bucher Paulus SVP, Global Operations Shares withheld for taxes −663 $90.23 $60K 6,053
2026-08-05 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −11,912 $95.31 $1.1M 6,412,188
2026-08-05 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −1,325 $96.76 $128K 6,410,863
2026-08-05 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −4,324 $97.81 $423K 6,406,539
2026-08-05 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −550 $98.71 $54K 6,405,989
2026-08-04 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −12,202 $95.18 $1.2M 6,424,100
2026-07-31 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −25,994 $85.76 $2.2M 6,437,308
2026-07-31 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −506 $86.14 $44K 6,436,802
2026-07-31 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −200 $87.45 $17K 6,436,602
2026-07-31 IP FIBRE DEVICES LTD 10% owner Sale 10b5-1 −300 $88.59 $27K 6,436,302

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