IPG PHOTONICS CORP

IPGP Net selling

CIK 0001111928 #1703 in the set updated 17 Sep 2026

Bought (120 mo)

$450.02K

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$290.16M

$106.35M on a plan · $79.59M straight out of an exercise

Sold at will

$104.22M

175 of 591 sales

Net

−$289.71M

−$103.77M against sales at will

By person

27 insiders · 650 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Valentin Gapontsev Trust I entity

10% owner

—

$105.47M (174) scheduled

−$105.47M

6,642,886

15.62%

$506.52M

−12.8%

IP FIBRE DEVICES LTD entity

10% owner

—

$66.02M (81) scheduled

−$66.02M

6,405,989

15.06%

$488.46M

−8.7%

Mammen Timothy PV

SVP, Chief Financial Officer

$250.62K (1)

$18.99M (33) scheduled

−$18.74M

76,438

0.1797%

$5.83M

+158.8%

GAPONTSEV VALENTIN P

CEO & Chairman of the Board

—

$17.18M (16)

−$17.18M

298,638

0.7021%

$22.77M

+26.6%

Lopresti Angelo P

SVP, Secretary & Gen Counsel

—

$14.05M (34) scheduled

−$14.05M

59,841

0.1407%

$4.56M

+21.1%

Ness Trevor

SVP, Chief Revenue Officer

—

$12.62M (59) scheduled

−$12.62M

38,425

0.0903%

$2.93M

+246.1%

Ovtchinnikov Alexander

SVP, Chief Technology Officer

—

$11.42M (14) scheduled

−$11.42M

74,360

0.1748%

$5.67M

+2.6%

SCHERBAKOV EUGENE A

Director

—

$10.35M (46) scheduled

−$10.35M

48,210

0.1133%

$3.68M

+221.3%

Burgomaster Thomas J

Chief Accounting Officer

—

$7.01M (30) scheduled

−$7.01M

11,566

0.0272%

$881.91K

+70.9%

Samartsev Igor

SVP, Chief Scientist

—

$5.50M (16) scheduled

−$5.50M

933,480

2.19%

$71.18M

+6.5%

PEELER JOHN R

Director

$199.40K (2)

$5.40M (22) scheduled

−$5.20M

20,886

0.0491%

$1.59M

+258.9%

HURLEY WILLIAM S

Director

—

$4.07M (4) scheduled

−$4.07M

11,005

0.0259%

$839.13K

−25.7%

SEIFERT THOMAS J

Director

—

$3.48M (6) scheduled

−$3.48M

8,946

0.0210%

$682.13K

+18.1%

STUKALIN FELIX I

SVP, Chief Operating Officer

—

$3.41M (17) scheduled

−$3.41M

36,316

0.0854%

$2.77M

+96.1%

Lego Catherine P

Director

—

$1.69M (2) scheduled

−$1.69M

10,786

0.0254%

$822.43K

+79.4%

GAUTHIER HENRY E

Director

—

$1.29M (1)

−$1.29M

17,051

0.0401%

$1.30M

−12.0%

Meurice Eric

Director

—

$1.26M (23) scheduled

−$1.26M

25,239

0.0593%

$1.92M

+212.9%

Desmond Jeanmarie F.

Director

—

$495.49K (5)

−$495.49K

10,486

0.0247%

$799.56K

—

Agnes Tang

Director

—

$408.36K (7) scheduled

−$408.36K

9,588

0.0225%

$731.09K

—

Buttarazzi Mary E.

VP, Corp Controller and CAO

—

$58.11K (1)

−$58.11K

4,749

0.0112%

$362.11K

+21.9%

Pavlova Natalia

Chief Technology Officer

—

—

—

151,665

0.3566%

$11.56M

+0.4%

Gitin Mark Milton

CEO

—

—

—

87,232

0.2051%

$6.65M

+25,039%

CHILD MICHAEL C

Director

—

—

—

68,625

0.1613%

$5.23M

+318.5%

Dougherty Greg

Director

—

—

—

18,334

0.0431%

$1.40M

—

Beecher Gregory R

Director

—

—

—

12,216

0.0287%

$931.47K

—

KENNEDY KOLLEEN T

Director

—

—

—

11,513

0.0271%

$877.87K

—

Bucher Paulus

SVP, Global Operations

—

—

—

6,053

0.0142%

$461.54K

—

Individual transactions

2

Insider

Date

Role

Action

Shares

Price

Amount

PEELER JOHN R

26 Aug 2026

Director

Buy

1,158

$74.57

$86.35K

PEELER JOHN R

26 Aug 2026

Director

Buy

1,552

$72.84

$113.05K

Showing 250 of 650 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 517

Amendments (4/A) skipped 3

Filings about a different issuer 0

Unreadable filings 0

Joint filings 35

Sales on a Rule 10b5-1 plan 213

Sales straight out of an exercise 203

Sales at will 175

Transactions with no price 0

Shares from compensation/vesting 3,088,899

Sales filed before the plan box existed 154

History held since 5 Oct 2016