| 2026-05-22 | Mr. Timothy P. V. MammenSenior VP & CFO | -9,98k | 1,20M | Verkauf | 119,60 - 120,37 | 55,30k | -15,28% |
| 2026-05-14 | Ms. Jeanmarie F. DesmondIndependent Director | -1,69k | 178,43k | Verkauf | 105,58 | 10,49k | -13,88% |
| 2026-03-17 | Ms. Mary E. ButtarazziVP, Corporate Controller, CAO & Principal Accounting Officer | -500,00 | 58,11k | Verkauf | 116,22 | 350,00 | -58,82% |
| 2026-03-01 | Dr. Mark Milton GitinCEO & Director | -7,60k | 1,00M | Sale to Issuer | 131,57 | 15,78k | -32,51% |
| 2026-03-01 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -3,85k | 506,28k | Sale to Issuer | 131,57 | 44,08k | -8,03% |
| 2026-03-01 | Mr. Timothy P. V. MammenSenior VP & CFO | -4,31k | 567,07k | Sale to Issuer | 131,57 | 65,27k | -6,19% |
| 2026-03-01 | Mr. Trevor D. NessSVP & Chief Revenue Officer | -3,40k | 447,60k | Sale to Issuer | 131,57 | 21,17k | -13,85% |
| 2026-03-01 | Ms. Mary E. ButtarazziVP, Corporate Controller, CAO & Principal Accounting Officer | -435,00 | 57,23k | Sale to Issuer | 131,57 | 863,00 | -33,51% |
| 2026-03-01 | Dr. Eugene A. ScherbakovDirector & Advisor | -7,24k | 952,17k | Sale to Issuer | 131,57 | 41,44k | -14,87% |
| 2026-03-01 | Dr. Igor SamartsevSenior VP & Chief Scientist | -836,00 | 109,99k | Sale to Issuer | 131,57 | 950,98k | -0,09% |
| 2026-02-20 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 8,53M | Automatic Disposition | 128,79 - 137,00 | 6,53M | -0,97% |
| 2026-02-24 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 372,14k | Automatic Disposition | 135,72 - 139,95 | 33,42k | -7,47% |
| 2026-02-17 | The Valentin Gapontsev TrustUnternehmen | -66,50k | 8,70M | Automatic Disposition | 125,40 - 149,88 | 6,73M | -0,98% |
| 2026-02-17 | Dr. Igor SamartsevSenior VP & Chief Scientist | 3,36k | 275,40k | Derivative Exercise and Retained Stock | 81,89 | 948,98k | 0,36% |
| 2026-02-13 | Dr. Eugene A. ScherbakovDirector & Advisor | 1,87k | 152,72k | Derivative Exercise and Retained Stock | 81,89 | 36,12k | 5,44% |
| 2026-02-13 | Dr. Eugene A. ScherbakovDirector & Advisor | -5,73k | 412,46k | Derivative Exercise and Sale | 81,89 - 153,91 | 36,12k | - |
| 2026-02-12 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | 1,84k | 150,60k | Derivative Exercise and Retained Stock | 81,89 | 38,39k | 5,03% |
| 2026-02-12 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -4,02k | 274,94k | Derivative Exercise and Sale | 81,89 - 150,25 | 38,39k | - |
| 2026-02-02 | Mr. Eric MeuriceIndependent Director | -750,00 | 5,35k | Derivative Exercise and Sale | 87,87 - 95,00 | 19,04k | - |
| 2026-01-21 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -1,50k | 127,50k | Automatic Disposition | 85,00 | 36,55k | -3,94% |
| 2026-01-21 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 218,59k | Automatic Disposition | 79,33 - 81,57 | 34,26k | -7,31% |
| 2026-01-16 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 5,15M | Automatic Disposition | 78,92 - 81,65 | 6,59M | -0,96% |
| 2026-01-15 | The Valentin Gapontsev TrustUnternehmen | -7,95k | 636,99k | Automatic Disposition | 79,38 - 80,16 | 6,79M | -0,12% |
| 2026-01-12 | The Valentin Gapontsev TrustUnternehmen | -58,55k | 4,50M | Automatic Disposition | 76,20 - 78,55 | 6,80M | -0,85% |
| 2025-12-23 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 200,99k | Automatic Disposition | 74,43 - 74,99 | 36,96k | -6,81% |
| 2025-12-22 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 4,81M | Automatic Disposition | 74,62 - 76,69 | 6,66M | -0,95% |
| 2025-12-15 | The Valentin Gapontsev TrustUnternehmen | -66,50k | 5,15M | Automatic Disposition | 76,59 - 78,22 | 6,86M | -0,96% |
| 2025-12-09 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -1,50k | 127,61k | Automatic Disposition | 85,07 | 38,05k | -3,79% |
| 2025-11-25 | Ms. Agnes K. TangIndependent Director | -1,88k | 144,36k | Automatic Disposition | 76,72 - 77,25 | 4,90k | -27,72% |
| 2025-11-24 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 205,29k | Automatic Disposition | 75,30 - 76,32 | 39,66k | -6,37% |
| 2025-11-21 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 4,84M | Automatic Disposition | 73,16 - 76,98 | 6,72M | -0,95% |
| 2025-11-18 | Mr. Trevor D. NessSVP & Chief Revenue Officer | -1,68k | 127,05k | Automatic Disposition | 75,58 | 14,83k | -10,18% |
| 2025-11-17 | The Valentin Gapontsev TrustUnternehmen | -66,50k | 5,09M | Automatic Disposition | 75,88 - 79,33 | 6,93M | -0,95% |
| 2025-11-06 | Mr. Eric MeuriceIndependent Director | -750,00 | 3,10k | Derivative Exercise and Sale | 87,87 - 92,00 | 19,04k | - |
| 2025-10-27 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -1,50k | 130,70k | Automatic Disposition | 87,13 | 39,55k | -3,65% |
| 2025-10-21 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 236,63k | Automatic Disposition | 87,61 - 87,85 | 42,36k | -5,99% |
| 2025-10-17 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 5,58M | Automatic Disposition | 84,62 - 88,54 | 6,79M | -0,94% |
| 2025-10-20 | Mr. Trevor D. NessSVP & Chief Revenue Officer | -1,68k | 145,98k | Automatic Disposition | 86,03 - 87,83 | 16,51k | -9,23% |
| 2025-10-13 | The Valentin Gapontsev TrustUnternehmen | -66,50k | 5,56M | Automatic Disposition | 80,96 - 85,97 | 6,99M | -0,94% |
| 2025-10-07 | Mr. Eric MeuriceIndependent Director | -1,50k | 2,70k | Derivative Exercise and Sale | 87,87 - 90,01 | 19,04k | - |
| 2025-10-06 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -1,50k | 127,76k | Automatic Disposition | 85,17 | 41,05k | -3,53% |
| 2025-09-23 | Dr. Eugene A. ScherbakovDirector & Advisor | -2,70k | 220,88k | Automatic Disposition | 81,54 - 82,17 | 45,06k | -5,65% |
| 2025-09-19 | Ip Fibre Devices (uk) LtdUnternehmen | -64,17k | 5,25M | Automatic Disposition | 80,78 - 82,28 | 6,85M | -0,93% |
| 2025-09-18 | Mr. Trevor D. NessSVP & Chief Revenue Officer | -1,68k | 138,67k | Automatic Disposition | 82,61 - 83,15 | 18,19k | -8,45% |
| 2025-09-15 | The Valentin Gapontsev TrustUnternehmen | -66,50k | 5,37M | Automatic Disposition | 80,54 - 81,15 | 7,06M | -0,93% |
| 2025-08-27 | Mr. Trevor D. NessSVP & Chief Revenue Officer | -1,68k | 139,17k | Automatic Disposition | 82,69 - 83,31 | 19,87k | -7,79% |
| 2025-08-08 | Ms. Jeanmarie F. DesmondIndependent Director | -1,36k | 103,69k | Verkauf | 76,24 | 5,98k | -18,53% |
| 2025-06-18 | Mr. Eric MeuriceIndependent Director | -272,00 | 0,00 | Sale to Issuer | - | 19,04k | -1,41% |
| 2025-06-06 | Mr. Angelo P. LoprestiSenior VP, General Counsel & Secretary | -4,50k | 311,76k | Verkauf | 69,28 | 42,55k | -9,56% |
| 2025-06-05 | Dr. Mark Milton GitinCEO & Director | -4,64k | 0,00 | Sale to Issuer | - | 4,86k | -48,85% |