Dudediligence.

IPG Photonics Corporation

IPGPNASDAQ · Semiconductors & Related Devices
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$55.1M

17 notices · 618,209 sh

Oct 2025 to Oct 2026

Reported ·

$82.6M

151 sales · 2 buys · $199,400 bought

Oct 2025 to Sep 2026

The two figures cover different periods.

147 of 151 reported sales carry the 10b5-1 box. Together they are 2.12% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Sep 2026N2025DJ2026FMAMJJASO2026-10-02: IP FIBRE DEVICES LTD, Form 1442026-10-02: SCHERBAKOV EUGENE A, Form 1442026-09-22: Valentin Gapontsev Trust II, Form 1442026-06-29: Lopresti Angelo P, Form 1442026-06-29: IP FIBRE DEVICES LTD, Form 1442026-06-29: SCHERBAKOV EUGENE A, Form 1442026-06-22: Valentin Gapontsev Trust II, Form 1442026-06-22: Agnes Tang, Form 1442026-05-22: Mammen Timothy PV, Form 1442026-05-14: Desmond Jeanmarie F., Form 1442026-03-17: Buttarazzi Mary E., Form 1442026-02-02: Meurice Eric, Form 1442026-01-21: Lopresti Angelo P, Form 1442025-12-23: SCHERBAKOV EUGENE A, Form 1442025-12-22: IP FIBRE DEVICES LTD, Form 1442025-12-19: Valentin Gapontsev Trust II, Form 1442025-11-25: Agnes Tang, Form 1442025-10-13: Valentin Gapontsev Trust I, sold2025-10-17: IP FIBRE DEVICES LTD, sold2025-10-20: Ness Trevor, sold2025-10-21: SCHERBAKOV EUGENE A, sold2025-10-27: Lopresti Angelo P, sold2025-11-06: Meurice Eric, sold2025-11-17: Valentin Gapontsev Trust I, sold2025-11-18: Ness Trevor, sold2025-11-21: IP FIBRE DEVICES LTD, sold2025-11-24: SCHERBAKOV EUGENE A, sold2025-11-25: Agnes Tang, sold2025-12-09: Lopresti Angelo P, sold2025-12-15: Valentin Gapontsev Trust I, sold2025-12-22: IP FIBRE DEVICES LTD, sold2025-12-23: SCHERBAKOV EUGENE A, sold2026-01-12: Valentin Gapontsev Trust I, sold2026-01-15: Valentin Gapontsev Trust I, sold2026-01-16: IP FIBRE DEVICES LTD, sold2026-01-21: SCHERBAKOV EUGENE A, sold2026-01-21: Lopresti Angelo P, sold2026-02-02: Meurice Eric, sold2026-02-17: Valentin Gapontsev Trust I, sold2026-02-20: IP FIBRE DEVICES LTD, sold2026-02-24: SCHERBAKOV EUGENE A, sold2026-03-17: Buttarazzi Mary E., sold2026-05-14: Desmond Jeanmarie F., sold2026-05-22: Mammen Timothy PV, sold2026-06-22: Agnes Tang, sold2026-06-29: SCHERBAKOV EUGENE A, sold2026-06-29: Lopresti Angelo P, sold2026-06-29: IP FIBRE DEVICES LTD, sold2026-07-21: Valentin Gapontsev Trust I, sold2026-07-31: SCHERBAKOV EUGENE A, sold2026-07-31: IP FIBRE DEVICES LTD, sold2026-08-04: IP FIBRE DEVICES LTD, sold2026-08-26: PEELER JOHN R, bought2026-09-01: Valentin Gapontsev Trust I, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-10-02IP FIBRE DEVICES LTD, 10% Stockholder$11.6M
135,000 shplan 2026-03-17Form 4s on file end Sep 23144 ↗
2026-10-02SCHERBAKOV EUGENE A, 10% Stockholder$649,986
7,620 shplan 2026-03-17Form 4s on file end Sep 23144 ↗
2026-09-22Valentin Gapontsev Trust II, Officer$909,072
11,688 shplan 2026-03-17Form 4s on file end Sep 23144 ↗
2026-06-29Lopresti Angelo P, SVP, Secretary & Gen Counsel$331,000
3,000 shplan 2026-03-17144 ↗
Form 4, 2026-07-01: sold 1,000 at $110.33 Form 4 ↗
2026-06-29IP FIBRE DEVICES LTD, 10% Stockholder$20.4M
197,100 shplan 2026-03-17144 ↗
Form 4, 2026-07-01: sold 65,700 at $103.64 Form 4 ↗
2026-06-29SCHERBAKOV EUGENE A, Director$464,259
4,572 shplan 2026-03-17144 ↗
Form 4, 2026-07-01: sold 1,524 at $101.55 Form 4 ↗
2026-06-22Valentin Gapontsev Trust II, Officer$1,519,660
12,876 shplan 2026-03-17144 ↗
Form 4, 2026-07-22: sold 56,316 at $102.31 Form 4 ↗
2026-06-22Agnes Tang, Director$178,073
1,511 shplan 2025-08-26144 ↗
Form 4, 2026-06-23: sold 1,511 at $117.85 Form 4 ↗
2026-05-22Mammen Timothy PV, SVP, Chief Financial Officer$1,195,108
9,975 shno plan date144 ↗
Form 4, 2026-05-26: sold 9,975 at $119.81 Form 4 ↗
2026-05-14Desmond Jeanmarie F., Director$178,428
1,690 shno plan date144 ↗
Form 4, 2026-05-15: sold 1,690 at $105.58 Form 4 ↗
2026-03-17Buttarazzi Mary E., VP, Corp Controller and CAO$58,110
500 shno plan date144 ↗
Form 4, 2026-03-17: sold 500 at $116.22 Form 4 ↗
2026-02-02Meurice Eric, Director$71,250
750 shplan 2025-03-07144 ↗
Form 4, 2026-02-03: sold 750 at $95.00 Form 4 ↗
2026-01-21Lopresti Angelo P, SVP, Secretary & Gen Counsel$127,500
1,500 shplan 2025-06-13144 ↗
Form 4, 2026-01-23: sold 1,500 at $85.00 Form 4 ↗
2025-12-23SCHERBAKOV EUGENE A, Officer$602,934
8,100 shplan 2025-06-16144 ↗
Form 4, 2025-12-29: sold 2,700 at $74.44 Form 4 ↗
2025-12-22IP FIBRE DEVICES LTD, 10% Stockholder$14.6M
192,501 shplan 2025-06-16144 ↗
Form 4, 2025-12-29: sold 64,167 at $74.94 Form 4 ↗
2025-12-19Valentin Gapontsev Trust II, Officer$2,115,995
27,945 shplan 2025-06-16144 ↗
Form 4, 2026-01-14: sold 58,548 at $76.93 Form 4 ↗
2025-11-25Agnes Tang, Director$144,363
1,881 shplan 2025-08-26144 ↗
Form 4, 2025-11-25: sold 1,881 at $76.75 Form 4 ↗