Form 4 Tracker
IPG PHOTONICS CORP
IPGP

52 insider filings · Latest: Oct 2, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 2, 2026Oct 6 8:42 PMFibre Devices Ltd IP10% Owner
Sale
15,361$85.64$1.3M6,390,628(D)

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Oct 2, 2026Oct 6 8:40 PMSCHERBAKOV EUGENE ADirector, 10% Owner
Sale
3,048$85.30$260.0K45,162(D)

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Oct 2, 2026Oct 2 8:23 PMIP FIBRE DEVICES LTD
Proposed Sale
135,000$85.64$11.6M—

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Oct 2, 2026Oct 2 8:12 PMSCHERBAKOV EUGENE A
Proposed Sale
7,620$85.30$650.0K—

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Sep 22, 2026Sep 22 8:00 PMValentin Gapontsev Trust II
Proposed Sale
11,688$77.78$909.1K—

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Sep 2, 2026Sep 3 8:23 PMValentin Gapontsev Trust I10% Owner
Sale
9,306$75.95$706.8K6,642,886(D)

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Sep 1, 2026Sep 3 8:23 PMValentin Gapontsev Trust I10% Owner
Sale
18,091$75.14$1.4M6,652,192(D)

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Aug 26, 2026Aug 27 8:27 PMJohn R PeelerDirector
Purchase
2,710$73.58$199.4K20,886(D)

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Aug 5, 2026Aug 6 8:10 PMFibre Devices Ltd IP10% Owner
Sale
18,111$96.12$1.7M6,405,989(D)

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Aug 4, 2026Aug 6 8:10 PMFibre Devices Ltd IP10% Owner
Sale
12,202$95.18$1.2M6,424,100(D)

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Jul 31, 2026Aug 4 8:58 PMFibre Devices Ltd IP10% Owner
Sale
27,000$85.81$2.3M6,436,302(D)

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Jul 31, 2026Aug 4 8:56 PMSCHERBAKOV EUGENE ADirector, 10% Owner
Sale
1,524$86.61$132.0K48,210(D)

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Jul 21, 2026Jul 22 8:12 PMValentin Gapontsev Trust I10% Owner
Sale
56,316$102.31$5.8M6,670,283(D)

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Jun 29, 2026Jul 1 8:36 PMFibre Devices Ltd IP10% Owner
Sale
65,700$103.64$6.8M6,463,302(D)

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Jun 29, 2026Jul 1 8:34 PMAngelo P LoprestiSVP, Secretary & Gen Counsel, 10% Owner
Sale
1,000$110.33$110.3K59,841(D)

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Jun 29, 2026Jul 1 8:32 PMSCHERBAKOV EUGENE ADirector, 10% Owner
Sale
1,524$101.55$154.8K49,734(D)

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Jun 29, 2026Jun 29 10:21 PMLopresti Angelo P
Proposed Sale
3,000$110.33$331.0K—

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Jun 29, 2026Jun 29 10:12 PMIP FIBRE DEVICES LTD
Proposed Sale
197,100$103.64$20.4M—

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Jun 29, 2026Jun 29 10:11 PMSCHERBAKOV EUGENE A
Proposed Sale
4,572$101.54$464.3K—

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Jun 22, 2026Jun 23 8:24 PMTang AgnesDirector
Sale
1,511$117.85$178.1K9,588(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Feb 17, 2026Feb 17 11:26 PMIgor SamartsevSVP, Chief Scientist
Option Exercise
3,363$81.890(D)

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Feb 13, 2026Feb 17 11:24 PMSCHERBAKOV EUGENE ADirector, 10% Owner
Option Exercise
7,592$81.890(D)

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Feb 12, 2026Feb 17 11:23 PMAngelo P LoprestiSVP, Secretary & Gen Counsel, 10% Owner
Option Exercise
5,861$81.890(D)

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Feb 2, 2026Feb 3 9:30 PMEric MeuriceDirector
Option Exercise
750$87.870(D)

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