IPG PHOTONICS CORP (IPGP) - Insider Holders & Insider Ownership

List of insiders holdings for IPG PHOTONICS CORP:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1Valentin Gapontsev Trust I
Shcherbakov Eugene A
PLATONOV NIKOLAI
10% Owner		2021-11-01 16:15:456,997,834
0		6,997,834Form 13D
2Valentin Gapontsev Trust I
10% Owner		2025-10-15 17:16:036,992,599
0		6,992,599Form 4
3IP FIBRE DEVICES LTD
10% Owner		2025-10-21 18:02:176,785,670
0		6,785,670Form 4
4GAPONTSEV DENIS
Vice President		2009-02-12 16:07:401,586,666
0		1,586,666Form 5
5Samartsev Igor
Pavlova Natalia
SVP, Chief Scientist		2025-09-03 16:38:456,234
945,638		951,872Form 4
6Mammen Timothy PV
SVP, Chief Financial Officer		2025-03-04 16:10:5284,577
0		84,577Form 4
7Gitin Mark Milton
CEO		2025-06-06 16:12:1679,242
0		79,242Form 4
8Ovtchinnikov Alexander
SVP, Chief Technology Officer
10% Owner		2024-03-05 16:11:0174,360
0		74,360Form 4
9BuAbbud George H
Vice-President, Telecom		2013-02-19 16:04:5170,887
0		70,887Form 4
10CHILD MICHAEL C
Director		2024-06-28 16:09:5168,625
0		68,625Form 4
11SCHERBAKOV EUGENE A
Director
10% Owner		2025-10-21 18:28:4367,430
0		67,430Form 4
12Lopresti Angelo P
SVP, Secretary & Gen Counsel
10% Owner		2025-10-29 16:22:1161,385
0		61,385Form 4
13DALTON JOHN H
Director		2011-04-01 16:15:0939,624
0		39,624Form 4
14Ness Trevor
SVP, Sales & Strategic Bus Dev		2025-10-21 18:01:2538,887
0		38,887Form 4
15STUKALIN FELIX I
SVP, Chief Operating Officer		2023-03-03 16:46:2136,316
0		36,316Form 4
16Shiner William H
VP, Industrial Products		2013-01-11 17:55:3325,052
0		25,052Form 5
17Meurice Eric
Director		2025-11-07 16:47:4923,553
0		23,553Form 4
18GAUTHIER HENRY E
Director		2019-06-03 16:45:0918,920
0		18,920Form 4
19Dougherty Greg
Director		2025-05-21 16:34:3115,898
0		15,898Form 4
20PEELER JOHN R
Director		2025-05-21 16:35:5215,740
0		15,740Form 4
21Krupke William F
Director		2014-02-20 16:08:5712,800
0		12,800Form 4
22Burgomaster Thomas J
Chief Accounting Officer		2025-03-04 16:05:2911,566
0		11,566Form 4
23HURLEY WILLIAM S
Director		2018-05-15 16:22:2011,005
0		11,005Form 4
24Lego Catherine P
Director		2020-11-09 16:19:2610,786
0		10,786Form 4
25Agnes Tang
Director		2025-05-21 16:28:4510,544
0		10,544Form 4
26Beecher Gregory R
Director		2025-05-21 16:29:489,780
0		9,780Form 4
27Desmond Jeanmarie F.
Director		2025-08-08 16:23:589,740
0		9,740Form 4
28KENNEDY KOLLEEN T
Director		2025-05-21 16:32:429,077
0		9,077Form 4
29SEIFERT THOMAS J
Director		2022-05-25 16:15:588,946
0		8,946Form 4
30Kampfe Michael R
Director		2012-06-07 08:31:087,667
0		7,667Form 4
31Bucher Paulus
SVP, Global Operations		2025-08-11 16:12:144,185
0		4,185Form 4
32Buttarazzi Mary E.
VP, Corp Controller and CAO		2025-03-11 17:12:473,895
0		3,895Form 3
33GAPONTSEV VALENTIN P
Former Exec Chair and Director
10% Owner		2022-02-11 16:35:040
0		0Form 5
34Blair Robert A
Director		2016-04-22 16:58:220
0		0Form 4
35TA ASSOCIATES INC
TA IX LP
TA ASSOCIATES IX LLC
TA ADVENT VIII LP
TA ASSOCIATES VIII LLC
TA / ATLANTIC & PACIFIC IV LP
TA ASSOCIATES AP IV LP
TA EXECUTIVES FUND LLC
TA INVESTORS LLC
See General Remarks		2009-02-13 07:18:080
0		0Form 13G