| Filing Date | Insider | Type | 10b5-1 | Net Shares | Ownership change | Avg. Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-05-26 | Mammen Timothy PV SVP, Chief Financial Officer | Sale | -9,975 | -11.54%76,438 | $119.81 | $1,195,098 | View SEC filing | |
| 2026-03-17 | Buttarazzi Mary E. VP, Corp Controller and CAO | Sale | -500 | -9.53%4,749 | $116.22 | $58,110 | View SEC filing | |
| 2026-02-24 | IP FIBRE DEVICES LTD 10% Owner | Sale | -64,167 | -0.97%6,529,002 | $132.89 | $8,526,978 | View SEC filing | |
| 2026-02-24 | SCHERBAKOV EUGENE A Director, 10% Owner | Sale | -2,700 | -4.41%58,495 | $137.83 | $372,141 | View SEC filing | |
| 2026-02-18 | Valentin Gapontsev Trust I 10% Owner | Sale | -66,500 | -0.98%6,726,599 | $130.84 | $8,700,865 | View SEC filing | |
| 2026-02-03 | Meurice Eric Director | Sale | -750 | -3.18%22,803 | $95.00 | $71,250 | View SEC filing | |
| 2026-01-23 | Lopresti Angelo P SVP, Secretary & Gen Counsel | Sale | -1,500 | -2.50%58,385 | $85.00 | $127,500 | View SEC filing | |
| 2026-01-21 | SCHERBAKOV EUGENE A Director, 10% Owner | Sale | -2,700 | -4.35%59,330 | $80.96 | $218,586 | View SEC filing | |
| 2026-01-21 | IP FIBRE DEVICES LTD 10% Owner | Sale | -64,167 | -0.96%6,593,169 | $80.22 | $5,147,715 | View SEC filing | |
| 2026-01-16 | Valentin Gapontsev Trust I 10% Owner | Sale | -7,952 | -0.12%6,793,099 | $80.10 | $636,987 | View SEC filing | |
| 2026-01-14 | Valentin Gapontsev Trust I 10% Owner | Sale | -58,548 | -0.85%6,801,051 | $76.93 | $4,504,354 | View SEC filing | |
| 2025-12-29 | SCHERBAKOV EUGENE A Director, 10% Owner | Sale | -2,700 | -4.17%62,030 | $74.44 | $200,986 | View SEC filing | |
| 2025-12-29 | IP FIBRE DEVICES LTD 10% Owner | Sale | -64,167 | -0.95%6,657,336 | $74.94 | $4,808,590 | View SEC filing | |
| 2025-12-16 | Valentin Gapontsev Trust I 10% Owner | Sale | -66,500 | -0.96%6,859,599 | $77.40 | $5,146,832 | View SEC filing | |
| 2025-12-10 | Lopresti Angelo P SVP, Secretary & Gen Counsel | Sale | -1,500 | -2.44%59,885 | $85.07 | $127,605 | View SEC filing | |
| 2025-11-25 | Agnes Tang Director | Sale | -1,881 | -17.84%8,663 | $76.75 | $144,363 | View SEC filing | |
| 2025-11-25 | SCHERBAKOV EUGENE A Director, 10% Owner | Sale | -2,700 | -4.00%64,730 | $76.03 | $205,294 | View SEC filing | |
| 2025-11-25 | IP FIBRE DEVICES LTD 10% Owner | Sale | -64,167 | -0.95%6,721,503 | $75.41 | $4,838,548 | View SEC filing | |
| 2025-11-19 | Ness Trevor SVP, Chief Revenue Officer | Sale | -1,681 | -4.32%37,206 | $75.58 | $127,050 | View SEC filing | |
| 2025-11-19 | Valentin Gapontsev Trust I 10% Owner | Sale | -66,500 | -0.95%6,926,099 | $76.56 | $5,091,185 | View SEC filing | |
| 2025-11-07 | Meurice Eric Director | Sale | -750 | -3.18%22,803 | $92.00 | $69,000 | View SEC filing | |
| 2025-10-29 | Lopresti Angelo P SVP, Secretary & Gen Counsel | Sale | -1,500 | -2.39%61,385 | $87.13 | $130,695 | View SEC filing | |
| 2025-10-21 | SCHERBAKOV EUGENE A Director, 10% Owner | Sale | -2,700 | -3.85%67,430 | $87.64 | $236,633 | View SEC filing | |
| 2025-10-21 | IP FIBRE DEVICES LTD 10% Owner | Sale | -64,167 | -0.94%6,785,670 | $87.00 | $5,582,496 | View SEC filing | |
| 2025-10-21 | Ness Trevor SVP, Sales & Strategic Bus Dev | Sale | -1,678 | -4.14%38,887 | $87.00 | $145,978 | View SEC filing |
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