Company Analysis

IPG Photonics Corporation (IPGP)

Nasdaq: IPGP · Semiconductors & Related Devices · Marlborough, MA · filing with the SEC since 2000
Grade5.3
◀ Past 6.2● Present 5.4▶ Future 4.1

Who owns IPG Photonics Corporation

As filed with the SEC
Holders of 5% or more
3
Shcherbakov Eugene A holds 34.3% of Common stock, par value $0.0001 per share, as its SCHEDULE 13D/A filed Jul 28, 2026 says.
Directors and officers
16
report now, of 26 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Shcherbakov Eugene A
SCHEDULE 13D/A · filed Jul 28, 2026 · Common stock, par value $0.0001 per share · 36.9% in Feb 20, 2025
34.3%
IP Fibre Devices LTD
SCHEDULE 13G/A · filed Jul 28, 2026 · Common stock, par value $0.0001 per share
15.2%
First Eagle Investment Management, LLC
7.9%
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
under 5%
What IPGP reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Clean Lasersysteme
A company bought · acquisition · owns, named in the 10-K filed Feb 23, 2026

2 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 23, 2026.

Insider tradesForm 4
36sales
2purchases
32sales on a scheduled plan
8people selling
$3.9Msold, in dollars
$200,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
17181920212223242526
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window11 of 28 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Ip Fibre Devices Ltd10% owner49$36.7M490$0
Valentin Gapontsev Trust IManaging Director of IPG Laser48$33.5M480$0
Shcherbakov Eugene ACEO21$1.5M210$0
Mammen Timothy PvSVP, Chief Financial Officer2$1.2M00$0
Lopresti Angelo PSVP, Secretary & Gen Counsel3$400,00030$0
Agnes Tangdirector5$300,00050$0
Desmond Jeanmarie F.director1$200,00000$0
Ness TrevorSVP, Chief Revenue Officer1$100,00010$0
Buttarazzi Mary E.VP, Corp Controller and CAO1$100,00000$0
Meurice Ericdirector2$100,00020$0
Peeler John Rdirector0$002$200,000
SI Assistanton IPGP · research, not advice