Stocks · Technology · Semiconductors & Related Devices

IPG PHOTONICS CORP

IPGP Clue Score43

United States Fiscal year ends December CIK 0001111928 Results filed 3 Nov 2026

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What the insiders did Net selling

By person

27 insiders · 649 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Valentin Gapontsev Trust I entity

10% owner

—

$107.02M (176) scheduled

−$107.02M

6,622,234

15.57%

$497.86M

−13.1%

Ip Fibre Devices Ltd entity

10% owner

—

$67.33M (83) scheduled

−$67.33M

6,390,628

15.02%

$480.45M

−8.9%

Timothy PV Mammen

SVP, Chief Financial Officer

$250.62K (1)

$18.99M (33) scheduled

−$18.74M

76,438

0.1797%

$5.75M

+160.9%

Valentin P Gapontsev

CEO & Chairman of the Board

—

$17.18M (16)

−$17.18M

298,638

0.7021%

$22.45M

+26.6%

Angelo P Lopresti

SVP, Secretary & Gen Counsel

—

$13.86M (33) scheduled

−$13.86M

59,841

0.1407%

$4.50M

+26.6%

Trevor Ness

SVP, Chief Revenue Officer

—

$12.62M (59) scheduled

−$12.62M

38,425

0.0903%

$2.89M

+249.9%

Alexander Ovtchinnikov

SVP, Chief Technology Officer

—

$11.42M (14) scheduled

−$11.42M

74,360

0.1748%

$5.59M

+2.9%

Eugene A Scherbakov

Director

—

$10.61M (47) scheduled

−$10.61M

45,162

0.1062%

$3.40M

+206.0%

Thomas J Burgomaster

Chief Accounting Officer

—

$7.01M (30) scheduled

−$7.01M

11,566

0.0272%

$869.53K

+73.2%

Igor Samartsev

SVP, Chief Scientist

—

$5.50M (16) scheduled

−$5.50M

933,480

2.19%

$70.18M

+6.5%

John R Peeler

Director

$199.40K (2)

$5.40M (22) scheduled

−$5.20M

20,886

0.0491%

$1.57M

+258.9%

William S Hurley

Director

—

$4.07M (4) scheduled

−$4.07M

11,005

0.0259%

$827.36K

−25.7%

Thomas J Seifert

Director

—

$3.48M (6) scheduled

−$3.48M

8,946

0.0210%

$672.56K

+18.1%

Felix I Stukalin

SVP, Chief Operating Officer

—

$3.41M (17) scheduled

−$3.41M

36,316

0.0854%

$2.73M

+96.1%

Catherine P Lego

Director

—

$1.69M (2) scheduled

−$1.69M

10,786

0.0254%

$810.89K

+79.4%

Henry E Gauthier

Director

—

$1.29M (1)

−$1.29M

17,051

0.0401%

$1.28M

−12.0%

Eric Meurice

Director

—

$1.26M (23) scheduled

−$1.26M

25,239

0.0593%

$1.90M

+212.9%

Jeanmarie F. Desmond

Director

—

$495.49K (5)

−$495.49K

10,486

0.0247%

$788.34K

—

Tang Agnes

Director

—

$408.36K (7) scheduled

−$408.36K

9,588

0.0225%

$720.83K

—

Mary E. Buttarazzi

VP, Corp Controller and CAO

—

$58.11K (1)

−$58.11K

4,749

0.0112%

$357.03K

+21.9%

Natalia Pavlova

Chief Technology Officer

—

—

—

151,665

0.3566%

$11.40M

+0.4%

Mark Milton Gitin

CEO

—

—

—

87,232

0.2051%

$6.56M

+25,039%

Michael C Child

Director

—

—

—

68,625

0.1613%

$5.16M

+318.5%

Greg Dougherty

Director

—

—

—

18,334

0.0431%

$1.38M

—

Gregory R Beecher

Director

—

—

—

12,216

0.0287%

$918.40K

—

Kolleen T Kennedy

Director

—

—

—

11,513

0.0271%

$865.55K

—

Paulus Bucher

SVP, Global Operations

—

—

—

6,053

0.0142%

$455.06K

—