Last 12 months
Inside the activity.
2 purchase rows · 131 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 17 |
| Dec 2025 | 0 | 14 |
| Jan 2026 | 0 | 19 |
| Feb 2026 | 0 | 38 |
| Mar 2026 | 0 | 1 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 3 |
| Jun 2026 | 0 | 16 |
| Jul 2026 | 0 | 12 |
| Aug 2026 | 2 | 5 |
| Sep 2026 | 0 | 3 |
| Oct 2026 | 0 | 3 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 15,882 | $132.40 | $2,102,776.80 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 8 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,737,196 F9 · price: The reported transaction involves sale transactions ranging from $132.03 to $132.99 per share. The weighted average price per share was $132.40. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 8,383 | $131.67 | $1,103,789.61 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 7 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,753,078 F8 · price: The reported transaction involves sale transactions ranging from $131.03 to $132.02 per share. The weighted average price per share was $131.67. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 4,931 | $130.57 | $643,840.67 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 6 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,761,461 F7 · price: The reported transaction involves sale transactions ranging from $130.03 to $131.02 per share. The weighted average price per share was $130.57. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 3,931 | $129.56 | $509,300.36 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 5 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,766,392 F6 · price: The reported transaction involves sale transactions ranging from $129.02 to $130.01 per share. The weighted average price per share was $129.56. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 5,012 | $128.33 | $643,189.96 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 4 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,770,323 F5 · price: The reported transaction involves sale transactions ranging from $127.92 to $128.80 per share. The weighted average price per share was $128.33. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 4,354 | $127.42 | $554,786.68 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 3 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,775,335 F4 · price: The reported transaction involves sale transactions ranging from $126.92 to $127.90 per share. The weighted average price per share was $127.42. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 6,820 | $126.33 | $861,570.60 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 2 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,779,689 F3 · price: The reported transaction involves sale transactions ranging from $125.92 to $126.88 per share. The weighted average price per share was $126.33. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 17, 2026 Filed Feb 18, 2026 21:21 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 6,590 | $125.40 | $826,386.00 |
DisclosureSEC source: 0001111928-26-000023 · wk-form4_1771449673.xml · nonDerivative · entry 1 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,786,509 F2 · price: The reported transaction involves sale transactions ranging from $124.92 to $125.86 per share. The weighted average price per share was $125.40. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| February 13, 2026 Filed Feb 17, 2026 23:24 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
Exercise / conversionEmployee Stock Option (right to buy) · Derivative | 7,592 | $0.00 Strike: $81.89 | $0.00 |
DisclosureSEC source: 0001111928-26-000019 · wk-form4_1771370690.xml · derivative · entry 3 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 7,592 shares Expires 2026-02-17 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_date: The stock option is fully vested and exercisable. Read SEC document |
| February 13, 2026 Filed Feb 17, 2026 23:24 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
Tax withholdingCommon Stock | 5,727 | $153.91 | $881,442.57 |
DisclosureSEC source: 0001111928-26-000019 · wk-form4_1771370690.xml · nonDerivative · entry 2 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 61,195 F2 · kind: Represents the number of shares withheld by the Issuer to satisfy the aggregate (i) exercise price and (ii) withholding taxes related to such exercise. Read SEC document |
| February 13, 2026 Filed Feb 17, 2026 23:24 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
Exercise / conversionCommon Stock | 7,592 | $81.89 | $621,708.88 |
DisclosureSEC source: 0001111928-26-000019 · wk-form4_1771370690.xml · nonDerivative · entry 1 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 66,922 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: These stock options were exercised on a net share settlement basis. Read SEC document |
| February 12, 2026 Filed Feb 17, 2026 23:23 UTC |
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
|
Exercise / conversionEmployee Stock Option (right to buy) · Derivative | 5,861 | $0.00 Strike: $81.89 | $0.00 |
DisclosureSEC source: 0001111928-26-000017 · wk-form4_1771370625.xml · derivative · entry 3 Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 5,861 shares Expires 2026-02-17 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F3 · derivative.exercise_date: The stock option is fully vested and exercisable. Read SEC document |
| February 12, 2026 Filed Feb 17, 2026 23:23 UTC |
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
|
Tax withholdingCommon Stock | 4,022 | $150.25 | $604,305.50 |
DisclosureSEC source: 0001111928-26-000017 · wk-form4_1771370625.xml · nonDerivative · entry 2 Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,224 F2 · kind: Represents the number of shares withheld by the Issuer to satisfy the aggregate (i) exercise price and (ii) withholding taxes related to such exercise. Read SEC document |
| February 12, 2026 Filed Feb 17, 2026 23:23 UTC |
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
|
Exercise / conversionCommon Stock | 5,861 | $81.89 | $479,957.29 |
DisclosureSEC source: 0001111928-26-000017 · wk-form4_1771370625.xml · nonDerivative · entry 1 Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 64,246 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F1 · kind: These stock options were exercised on a net share settlement basis. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 21:30 UTC |
Meurice EricDirector
|
Exercise / conversionDirector Stock Option (right to buy) · Derivative | 750 | $0.00 Strike: $87.87 | $0.00 |
DisclosureSEC source: 0001111928-26-000012 · wk-form4_1770154214.xml · derivative · entry 3 Meurice Eric · CIK 0001372258 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 750 shares Expires 2026-05-31 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F2 · derivative.exercise_date: Grant of stock options vesting 100% on earlier of 6/1/2017 or date of 2017 annual stockholder meeting of Issuer. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 21:30 UTC |
Meurice EricDirector
|
SaleCommon Stock | 750 | $95.00 | $71,250.00 |
DisclosureSEC source: 0001111928-26-000012 · wk-form4_1770154214.xml · nonDerivative · entry 2 Meurice Eric · CIK 0001372258 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 22,803 F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 7, 2025. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 21:30 UTC |
Meurice EricDirector
|
Exercise / conversionCommon Stock | 750 | $87.87 | $65,902.50 |
DisclosureSEC source: 0001111928-26-000012 · wk-form4_1770154214.xml · nonDerivative · entry 1 Meurice Eric · CIK 0001372258 · Director 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 23,553 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| January 21, 2026 Filed Jan 21, 2026 21:46 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
SaleCommon Stock | 1,403 | $81.57 | $114,442.71 |
DisclosureSEC source: 0001111928-26-000008 · wk-form4_1769031990.xml · nonDerivative · entry 3 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 59,330 F4 · price: The reported transaction involves sale transactions ranging from $81.07 to $81.60 per share. The weighted average price per share was $81.57. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 21, 2026 Filed Jan 21, 2026 21:46 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
SaleCommon Stock | 1,204 | $80.37 | $96,765.48 |
DisclosureSEC source: 0001111928-26-000008 · wk-form4_1769031990.xml · nonDerivative · entry 2 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 60,733 F3 · price: The reported transaction involves sale transactions ranging from $80.00 to $80.83 per share. The weighted average price per share was $80.37. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 21, 2026 Filed Jan 21, 2026 21:46 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
SaleCommon Stock | 93 | $79.33 | $7,377.69 |
DisclosureSEC source: 0001111928-26-000008 · wk-form4_1769031990.xml · nonDerivative · entry 1 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 61,937 F2 · price: The reported transaction involves sale transactions ranging from $78.80 to $79.76 per share. The weighted average price per share was $79.33. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 21, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 12,075 | $81.65 | $985,923.75 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 6 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,593,169 F7 · price: The reported transaction involves sale transactions ranging from $80.89 to $81.72 per share. The weighted average price per share was $81.65. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 21, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 1,306 | $80.34 | $104,924.04 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 5 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,605,244 F6 · price: The reported transaction involves sale transactions ranging from $79.68 to $80.60 per share. The weighted average price per share was $80.34. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 21, 2026 Filed Jan 23, 2026 21:08 UTC |
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
|
SaleCommon Stock | 1,500 | $85.00 | $127,500.00 |
DisclosureSEC source: 0001111928-26-000010 · wk-form4_1769202532.xml · nonDerivative · entry 1 Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 58,385 F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 20, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 13,960 | $80.43 | $1,122,802.80 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 4 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,606,550 F5 · price: The reported transaction involves sale transactions ranging from $79.66 to $80.45 per share. The weighted average price per share was $80.43. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 20, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 7,659 | $78.92 | $604,448.28 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 3 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,620,510 F4 · price: The reported transaction involves sale transactions ranging from $78.65 to $79.52 per share. The weighted average price per share was $78.92. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 16, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 14,656 | $80.20 | $1,175,411.20 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 2 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,628,169 F3 · price: The reported transaction involves sale transactions ranging from $80.00 to $80.79 per share. The weighted average price per share was $80.20. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 16, 2026 Filed Jan 21, 2026 21:45 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 14,511 | $79.54 | $1,154,204.94 |
DisclosureSEC source: 0001111928-26-000006 · wk-form4_1769031932.xml · nonDerivative · entry 1 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,642,825 F2 · price: The reported transaction involves sale transactions ranging from $78.93 to $79.90 per share. The weighted average price per share was $79.54. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 15, 2026 Filed Jan 16, 2026 21:12 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 7,381 | $80.16 | $591,660.96 |
DisclosureSEC source: 0001111928-26-000004 · wk-form4_1768597923.xml · nonDerivative · entry 2 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,793,099 F3 · price: The reported transaction involves sale transactions ranging from $79.68 to $80.50 per share. The weighted average price per share was $80.16. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 15, 2026 Filed Jan 16, 2026 21:12 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 571 | $79.38 | $45,325.98 |
DisclosureSEC source: 0001111928-26-000004 · wk-form4_1768597923.xml · nonDerivative · entry 1 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,800,480 F2 · price: The reported transaction involves sale transactions ranging from $78.66 to $79.63 per share. The weighted average price per share was $79.38. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 14, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 700 | $78.55 | $54,985.00 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 7 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,801,051 F8 · price: The reported transaction involves sale transactions ranging from $78.34 to $78.75 per share. The weighted average price per share was $78.55. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 14, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 13,159 | $77.63 | $1,021,533.17 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 6 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,801,751 F7 · price: The reported transaction involves sale transactions ranging from $77.31 to $78.22 per share. The weighted average price per share was $77.63. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 14, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 3,667 | $77.19 | $283,055.73 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 5 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,814,910 F6 · price: The reported transaction involves sale transactions ranging from $76.31 to $77.30 per share. The weighted average price per share was $77.19. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 13, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 6,277 | $77.70 | $487,722.90 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 4 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,818,577 F5 · price: The reported transaction involves sale transactions ranging from $77.31 to $78.00 per share. The weighted average price per share was $77.70. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 13, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 16,752 | $76.71 | $1,285,045.92 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 3 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,824,854 F4 · price: The reported transaction involves sale transactions ranging from $76.29 to $77.24 per share. The weighted average price per share was $76.71. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 12, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 1,928 | $76.69 | $147,858.32 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 2 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,841,606 F3 · price: The reported transaction involves sale transactions ranging from $76.61 to $76.82 per share. The weighted average price per share was $76.69. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| January 12, 2026 Filed Jan 14, 2026 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 16,065 | $76.20 | $1,224,153.00 |
DisclosureSEC source: 0001111928-26-000002 · wk-form4_1768427142.xml · nonDerivative · entry 1 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,843,534 F2 · price: The reported transaction involves sale transactions ranging from $75.47 to $76.45 per share. The weighted average price per share was $76.20. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 24, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 2,225 | $75.11 | $167,119.75 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 7 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,657,336 F6 · price: The reported transaction involves sale transactions ranging from $75.06 to $75.30 per share. The weighted average price per share was $75.11. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 24, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 10,560 | $74.69 | $788,726.40 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 6 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,659,561 F5 · price: The reported transaction involves sale transactions ranging from $74.04 to $75.00 per share. The weighted average price per share was $74.69. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 23, 2025 Filed Dec 29, 2025 21:24 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
SaleCommon Stock | 45 | $74.99 | $3,374.55 |
DisclosureSEC source: 0001111928-25-000188 · wk-form4_1767043480.xml · nonDerivative · entry 2 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 62,030 F3 · price: The reported transaction involves sale transactions ranging from $74.93 to $75.00 per share. The weighted average price per share was $74.99. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 23, 2025 Filed Dec 29, 2025 21:24 UTC |
SCHERBAKOV EUGENE ADirector · 10% owner
|
SaleCommon Stock | 2,655 | $74.43 | $197,611.65 |
DisclosureSEC source: 0001111928-25-000188 · wk-form4_1767043480.xml · nonDerivative · entry 1 SCHERBAKOV EUGENE A · CIK 0001378544 · Director · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 62,075 F2 · price: The reported transaction involves sale transactions ranging from $73.92 to $74.81 per share. The weighted average price per share was $74.43. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 23, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 40 | $75.00 | $3,000.00 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 5 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,670,121 F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 23, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 28,405 | $74.62 | $2,119,581.10 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 4 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,670,161 F4 · price: The reported transaction involves sale transactions ranging from $73.89 to $74.87 per share. The weighted average price per share was $74.62. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 22, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 7 | $76.69 | $536.83 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 3 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,698,566 F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 22, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 6,870 | $75.97 | $521,913.90 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 2 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,698,573 F3 · price: The reported transaction involves sale transactions ranging from $75.69 to $76.42 per share. The weighted average price per share was $75.97. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 22, 2025 Filed Dec 29, 2025 21:23 UTC |
IP FIBRE DEVICES LTD10% owner
|
SaleCommon Stock | 16,060 | $75.20 | $1,207,712.00 |
DisclosureSEC source: 0001111928-25-000186 · wk-form4_1767043411.xml · nonDerivative · entry 1 IP FIBRE DEVICES LTD · CIK 0001130423 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,705,443 F2 · price: The reported transaction involves sale transactions ranging from $74.68 to $75.66 per share. The weighted average price per share was $75.20. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 16, 2025 Filed Dec 16, 2025 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 1,412 | $78.22 | $110,446.64 |
DisclosureSEC source: 0001111928-25-000184 · wk-form4_1765921513.xml · nonDerivative · entry 4 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,859,599 F5 · price: The reported transaction involves sale transactions ranging from $78.08 to $78.43 per share. The weighted average price per share was $78.22. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 16, 2025 Filed Dec 16, 2025 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 12,160 | $77.44 | $941,670.40 |
DisclosureSEC source: 0001111928-25-000184 · wk-form4_1765921513.xml · nonDerivative · entry 3 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,861,011 F4 · price: The reported transaction involves sale transactions ranging from $77.04 to $78.02 per share. The weighted average price per share was $77.44. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 16, 2025 Filed Dec 16, 2025 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 13,544 | $76.59 | $1,037,334.96 |
DisclosureSEC source: 0001111928-25-000184 · wk-form4_1765921513.xml · nonDerivative · entry 2 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,873,171 F3 · price: The reported transaction involves sale transactions ranging from $76.04 to $77.03 per share. The weighted average price per share was $76.59. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 15, 2025 Filed Dec 16, 2025 21:45 UTC |
Valentin Gapontsev Trust I10% owner
|
SaleCommon Stock | 39,384 | $77.63 | $3,057,379.92 |
DisclosureSEC source: 0001111928-25-000184 · wk-form4_1765921513.xml · nonDerivative · entry 1 Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 6,886,715 F2 · price: The reported transaction involves sale transactions ranging from $77.11 to $78.09 per share. The weighted average price per share was $77.63. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price. F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
| December 09, 2025 Filed Dec 10, 2025 21:31 UTC |
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
|
SaleCommon Stock | 1,500 | $85.07 | $127,605.00 |
DisclosureSEC source: 0001111928-25-000182 · wk-form4_1765402280.xml · nonDerivative · entry 1 Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 59,885 F2 · price: The reported transaction involves sale transactions ranging from $85.00 to $85.26 per share. The weighted average price per share was $85.07. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer, information regarding the number of shares sold at each separate price F1 · acquired: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2025. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.