Valentin Gapontsev Trust I

10% Owner

1 company

Insider Signal Score

Strong

Trades Analyzed

12M Win Rate

75.7%

Avg 3M Return

-6.6%

Avg 12M Return

+12.1%

Valentin Gapontsev Trust I is 10% Owner at IPGP. From February 2015 to September 2026, the filings on record show 0 open-market purchases and 64 sales.

Our model assigns Valentin Gapontsev Trust I a middling insider score of 66/100, based on 47 past trades. Over a 12-month horizon, 75.7% of those trades were profitable, with an average 12-month return of +12.1%.

The IPGP filings lean toward selling, a net 1,079,113 shares.

Holdings by Company

IPGPSep 2, 2026

Current Shares6.64M

Value$494.36M

Net Activity-1,079,113

Bought: 0Sold: 1.08M

Transaction History

Showing 10 filings (page 5)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Aug 3, 2022	IPGP Ipg Photonics Corp	10% Owner	Sell	5,000	$102.97	$514,834.30	-	-17.3%	+6.3%
Dec 17, 2020	IPGP Ipg Photonics Corp	10% Owner	Sell	43,000	$215.81	$9,279,791.62	-0.6%	-	-
Jun 10, 2020	IPGP Ipg Photonics Corp	10% Owner	Sell	7,300	$166.66	$1,216,622.50	-	-	-
May 12, 2020	IPGP Ipg Photonics Corp	10% Owner	Sell	38,100	$152.83	$5,822,823.88	-0.5%	-	-
Dec 2, 2019	IPGP Ipg Photonics Corp	10% Owner	Sell	8,000	$141.06	$1,128,446.25	-0.1%	-	-
Nov 25, 2019	IPGP Ipg Photonics Corp	10% Owner	Sell	10,000	$142.01	$1,420,104.66	-0.1%	-	-
Jun 27, 2019	IPGP Ipg Photonics Corp	10% Owner	Sell	10,000	$150.53	$1,505,300.00	-0.1%	-	-
May 6, 2019	IPGP Ipg Photonics Corp	10% Owner	Sell	10,000	$162.59	$1,625,900.00	-0.1%	-	-
May 21, 2018	IPGP Ipg Photonics Corp	10% Owner	Sell	2,000	$245.63	$491,260.00	-	-	-
May 14, 2018	IPGP Ipg Photonics Corp	10% Owner	Sell	10,000	$253.88	$2,538,800.00	-0.1%	-	-

Understand these filings

How to Read SEC Form 4 Filings →Understanding Insider Buying Signals →SEC Form 4 Lookup: How to Find and Search Insider Trading Filings →What is Insider Trading? A Complete Guide →

Insider	Role	Shares	Value	Buys	Sells

Date	Ticker	Insider	Role	Type	Shares	Price	Value	Chg%	SEC