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Nasdaq · USD

IPGP

IPG PHOTONICS CORP

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Tapewire entity
1767
SEC CIK
0001111928
Parsed reports
534

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
MonthPurchasesSales
Nov 2025017
Dec 2025014
Jan 2026019
Feb 2026038
Mar 202601
Apr 202600
May 202603
Jun 2026016
Jul 2026012
Aug 202625
Sep 202603
Oct 202603

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
July 21, 2020 Filed Jul 22, 2020 21:16 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 1,200 $181.12 $217,344.00
Disclosure

SEC source: 0001111928-20-000135 · wf-form4_159545254851761.xml · nonDerivative · entry 4

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,851

F3 · price: The reported transaction involves sale transactions ranging from $181.01 to $182.00 per share. The weighted average price per share was $181.12. 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 November 12, 2019.

Read SEC document
July 21, 2020 Filed Jul 22, 2020 21:16 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionCommon Stock 8,176 $71.77 $586,791.52
Disclosure

SEC source: 0001111928-20-000135 · wf-form4_159545254851761.xml · nonDerivative · entry 3

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,051

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
July 20, 2020 Filed Jul 22, 2020 21:18 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 741 $0.00 Strike: $81.89 $0.00
Disclosure

SEC source: 0001111928-20-000137 · wf-form4_159545268692903.xml · derivative · entry 6

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,690

Underlying: Common Stock · 741 shares

Expires 2026-02-18

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.

F5 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2020.

Read SEC document
July 20, 2020 Filed Jul 22, 2020 21:18 UTC
Burgomaster Thomas JChief Accounting Officer
SaleCommon Stock 741 $180.01 $133,387.41
Disclosure

SEC source: 0001111928-20-000137 · wf-form4_159545268692903.xml · nonDerivative · entry 2

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,200

F2 · price: The reported transaction involves sale transactions ranging from $180.00 to $180.03 per share. The weighted average price per share was $180.01. 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 May 21, 2020.

Read SEC document
July 20, 2020 Filed Jul 22, 2020 21:18 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionCommon Stock 741 $81.89 $60,680.49
Disclosure

SEC source: 0001111928-20-000137 · wf-form4_159545268692903.xml · nonDerivative · entry 1

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,941

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
July 20, 2020 Filed Jul 22, 2020 21:16 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionEmployee Stock Options (right to buy) · Derivative 2,824 $0.00 Strike: $71.77 $0.00
Disclosure

SEC source: 0001111928-20-000135 · wf-form4_159545254851761.xml · derivative · entry 7

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,176

Underlying: Common Stock · 2,824 shares

Expires 2024-02-27

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.

F6 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2018.

Read SEC document
July 20, 2020 Filed Jul 22, 2020 21:16 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 2,824 $180.01 $508,348.24
Disclosure

SEC source: 0001111928-20-000135 · wf-form4_159545254851761.xml · nonDerivative · entry 2

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,875

F2 · price: The reported transaction involves sale transactions ranging from $180.00 to $180.03 per share. The weighted average price per share was $180.01. 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 November 12, 2019.

Read SEC document
July 20, 2020 Filed Jul 22, 2020 21:16 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionCommon Stock 2,824 $71.77 $202,678.48
Disclosure

SEC source: 0001111928-20-000135 · wf-form4_159545254851761.xml · nonDerivative · entry 1

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,699

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
July 15, 2020 Filed Jul 17, 2020 20:09 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,331 $0.00 Strike: $97.65 $0.00
Disclosure

SEC source: 0001111928-20-000133 · wf-form4_159501653552621.xml · derivative · entry 3

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,331 shares

Expires 2025-02-25

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.

F4 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2019.

Read SEC document
July 15, 2020 Filed Jul 17, 2020 20:09 UTC
Burgomaster Thomas JChief Accounting Officer
SaleCommon Stock 2,331 $170.09 $396,479.79
Disclosure

SEC source: 0001111928-20-000133 · wf-form4_159501653552621.xml · nonDerivative · entry 2

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,200

F2 · price: The reported transaction involves sale transactions ranging from $170.00 to $170.38 per share. The weighted average price per share was $170.09. 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 May 21, 2020.

F3 · balance_after: Includes 85 shares acquired under the IPG Photonics Employee Stock Purchase Plan on June 30, 2020.

Read SEC document
July 15, 2020 Filed Jul 17, 2020 20:09 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionCommon Stock 2,331 $97.65 $227,622.15
Disclosure

SEC source: 0001111928-20-000133 · wf-form4_159501653552621.xml · nonDerivative · entry 1

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,446

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
July 15, 2020 Filed Jul 17, 2020 20:07 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionEmployee Stock Options (right to buy) · Derivative 5,400 $0.00 Strike: $60.11 $0.00
Disclosure

SEC source: 0001111928-20-000131 · wf-form4_159501645550961.xml · derivative · entry 3

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,400 shares

Expires 2023-02-28

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: Grant of stock options vesting in one installment on March 1, 2017.

Read SEC document
July 15, 2020 Filed Jul 17, 2020 20:07 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 5,400 $170.10 $918,540.00
Disclosure

SEC source: 0001111928-20-000131 · wf-form4_159501645550961.xml · nonDerivative · entry 2

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,875

F2 · price: The reported transaction involves sale transactions ranging from $170.00 to $170.49 per share. The weighted average price per share was $170.10. 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 November 12, 2019.

Read SEC document
July 15, 2020 Filed Jul 17, 2020 20:07 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionCommon Stock 5,400 $60.11 $324,594.00
Disclosure

SEC source: 0001111928-20-000131 · wf-form4_159501645550961.xml · nonDerivative · entry 1

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,275

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
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 3,288 $0.00 Strike: $81.89 $0.00
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · derivative · entry 10

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,939

Underlying: Common Stock · 3,288 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.

F6 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionEmployee Stock Options (right to buy) · Derivative 212 $0.00 Strike: $71.77 $0.00
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · derivative · entry 9

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 212 shares

Expires 2024-02-27

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.

F5 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2018.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 63 $161.75 $10,190.25
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 8

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,407

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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 50 $160.21 $8,010.50
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 7

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,470

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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 250 $159.34 $39,835.00
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 6

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,520

F4 · price: The reported transaction involves sale transactions ranging from $159.17 to $159.90 per share. The weighted average price per share was $159.34. 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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 100 $157.94 $15,794.00
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 5

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,770

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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 1,463 $156.71 $229,266.73
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 4

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,870

F3 · price: The reported transaction involves sale transactions ranging from $156.43 to $157.42 per share. The weighted average price per share was $156.71. 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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 4,074 $155.96 $635,381.04
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 3

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,333

F2 · price: The reported transaction involves sale transactions ranging from $155.42 to $156.41 per share. The weighted average price per share was $155.96. 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 February 27, 2020.

Read SEC document
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionCommon Stock 3,288 $81.89 $269,254.32
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 2

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,407

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
July 01, 2020 Filed Jul 6, 2020 20:32 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionCommon Stock 212 $71.77 $15,215.24
Disclosure

SEC source: 0001111928-20-000129 · wf-form4_159406751598120.xml · nonDerivative · entry 1

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,119

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
June 22, 2020 Filed Jun 24, 2020 20:22 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionEmployee Stock Option (right to buy) · Derivative 2,200 $0.00 Strike: $71.77 $0.00
Disclosure

SEC source: 0001111928-20-000127 · wf-form4_159303011855347.xml · derivative · entry 5

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,200

Underlying: Common Stock · 2,200 shares

Expires 2024-02-28

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.

F5 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2018.

Read SEC document
June 22, 2020 Filed Jun 24, 2020 20:22 UTC
Burgomaster Thomas JChief Accounting Officer
SaleCommon Stock 1,500 $160.93 $241,395.00
Disclosure

SEC source: 0001111928-20-000127 · wf-form4_159303011855347.xml · nonDerivative · entry 4

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,115

F4 · price: The reported transaction involves sale transactions ranging from $160.51 to $161.39 per share. The weighted average price per share was $160.93. 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 May 21, 2020.

Read SEC document
June 22, 2020 Filed Jun 24, 2020 20:22 UTC
Burgomaster Thomas JChief Accounting Officer
SaleCommon Stock 779 $160.02 $124,655.58
Disclosure

SEC source: 0001111928-20-000127 · wf-form4_159303011855347.xml · nonDerivative · entry 3

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,615

F3 · price: The reported transaction involves sale transactions ranging from $159.40 to $160.10 per share. The weighted average price per share was $160.02. 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 May 21, 2020.

Read SEC document
June 22, 2020 Filed Jun 24, 2020 20:22 UTC
Burgomaster Thomas JChief Accounting Officer
SaleCommon Stock 808 $158.55 $128,108.40
Disclosure

SEC source: 0001111928-20-000127 · wf-form4_159303011855347.xml · nonDerivative · entry 2

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,394

F2 · price: The reported transaction involves sale transactions ranging from $158.17 to $159.00 per share. The weighted average price per share was $158.55. 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 May 21, 2020.

Read SEC document
June 22, 2020 Filed Jun 24, 2020 20:22 UTC
Burgomaster Thomas JChief Accounting Officer
Exercise / conversionCommon Stock 2,200 $71.77 $157,894.00
Disclosure

SEC source: 0001111928-20-000127 · wf-form4_159303011855347.xml · nonDerivative · entry 1

Burgomaster Thomas J · CIK 0001757298 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,202

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
June 10, 2020 Filed Jun 12, 2020 20:11 UTC SaleCommon Stock 343 $168.28 $57,720.04
Disclosure

SEC source: 0001111928-20-000123 · wf-form4_159199264096427.xml · nonDerivative · entry 4

Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,482,599

F4 · price: The reported transaction involves sale transactions ranging from $168.21 to $168.40 per share. The weighted average price per share was $168.28. 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.

Read SEC document
June 10, 2020 Filed Jun 12, 2020 20:11 UTC SaleCommon Stock 2,100 $167.53 $351,813.00
Disclosure

SEC source: 0001111928-20-000123 · wf-form4_159199264096427.xml · nonDerivative · entry 3

Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,482,942

F3 · price: The reported transaction involves sale transactions ranging from $167.14 to $168.01 per share. The weighted average price per share was $167.53. 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.

Read SEC document
June 10, 2020 Filed Jun 12, 2020 20:11 UTC SaleCommon Stock 2,724 $166.57 $453,736.68
Disclosure

SEC source: 0001111928-20-000123 · wf-form4_159199264096427.xml · nonDerivative · entry 2

Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,485,042

F2 · price: The reported transaction involves sale transactions ranging from $166.14 to $167.08 per share. The weighted average price per share was $166.57. 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.

Read SEC document
June 10, 2020 Filed Jun 12, 2020 20:11 UTC SaleCommon Stock 2,133 $165.66 $353,352.78
Disclosure

SEC source: 0001111928-20-000123 · wf-form4_159199264096427.xml · nonDerivative · entry 1

Valentin Gapontsev Trust I · CIK 0001508155 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,487,766

F1 · price: The reported transaction involves sale transactions ranging from $165.12 to $166.11 per share. The weighted average price per share was $165.66. 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.

Read SEC document
June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionEmployee Stock Options (right to buy) · Derivative 7,600 $0.00 Strike: $60.11 $0.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · derivative · entry 6

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,400

Underlying: Common Stock · 7,600 shares

Expires 2023-02-28

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.

F6 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2017.

Read SEC document
June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 1,100 $170.01 $187,011.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · nonDerivative · entry 5

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,875

F5 · price: The reported transaction involves sale transactions ranging from $170.00 to $170.03 per share. The weighted average price per share was $170.01. 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 November 12, 2019.

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June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 1,400 $167.03 $233,842.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · nonDerivative · entry 4

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,975

F4 · price: The reported transaction involves sale transactions ranging from $167.00 to $167.11 per share. The weighted average price per share was $167.03. 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 November 12, 2019.

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June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 2,900 $166.66 $483,314.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · nonDerivative · entry 3

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,375

F3 · price: The reported transaction involves sale transactions ranging from $166.00 to $166.99 per share. The weighted average price per share was $166.66. 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 November 12, 2019.

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June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
SaleCommon Stock 2,200 $165.35 $363,770.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · nonDerivative · entry 2

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,275

F2 · price: The reported transaction involves sale transactions ranging from $165.00 to $165.76 per share. The weighted average price per share was $165.35. 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 November 12, 2019.

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June 05, 2020 Filed Jun 9, 2020 20:17 UTC
Lopresti Angelo PSVP, Secretary & Gen Counsel · 10% owner
Exercise / conversionCommon Stock 7,600 $60.11 $456,836.00
Disclosure

SEC source: 0001111928-20-000121 · wf-form4_159173380728515.xml · nonDerivative · entry 1

Lopresti Angelo P · CIK 0001378548 · SVP, Secretary & Gen Counsel · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,475

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.

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June 03, 2020 Filed Jun 5, 2020 20:38 UTC
Samartsev IgorDirector · Chief Technology Officer
GiftCommon Stock 62,000 $0.00 $0.00
Disclosure

SEC source: 0001111928-20-000119 · wf-form4_159138949782894.xml · nonDerivative · entry 2

Samartsev Igor · CIK 0001378545 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Grantor Retained Annuity Trust June 2020

Disclosed balance after: 62,000

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June 03, 2020 Filed Jun 5, 2020 20:38 UTC
Samartsev IgorDirector · Chief Technology Officer
GiftCommon Stock 62,000 $0.00 $0.00
Disclosure

SEC source: 0001111928-20-000119 · wf-form4_159138949782894.xml · nonDerivative · entry 1

Samartsev Igor · CIK 0001378545 · Director · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Wife

Disclosed balance after: 278,570

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June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionEmployee Stock Options (right to buy) · Derivative 3,500 $0.00 Strike: $71.77 $0.00
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · derivative · entry 8

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 212

Underlying: Common Stock · 3,500 shares

Expires 2024-02-27

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.

F8 · derivative.exercise_date: Grant of stock options vesting in one installment on March 1, 2018.

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June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 369 $159.91 $59,006.79
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 7

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,907

F7 · price: The reported transaction involves sale transactions ranging from $159.87 to $159.93 per share. The weighted average price per share was $159.91. 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 February 27, 2020.

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June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 1,820 $159.43 $290,162.60
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 6

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,276

F6 · price: The reported transaction involves sale transactions ranging from $158.85 to $159.83 per share. The weighted average price per share was $159.43. 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 February 27, 2020.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 1,308 $158.02 $206,690.16
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 5

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,096

F5 · price: The reported transaction involves sale transactions ranging from $157.60 to $158.48 per share. The weighted average price per share was $158.02. 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 February 27, 2020.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 1,853 $157.24 $291,365.72
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 4

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,404

F4 · price: The reported transaction involves sale transactions ranging from $156.59 to $157.56 per share. The weighted average price per share was $157.24. 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 February 27, 2020.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 200 $155.67 $31,134.00
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 3

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,257

F3 · price: The reported transaction involves sale transactions ranging from $155.32 to $156.25 per share. The weighted average price per share was $155.67. 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 February 27, 2020.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
SaleCommon Stock 450 $154.67 $69,601.50
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 2

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,457

F2 · price: The reported transaction involves sale transactions ranging from $154.25 to $154.88 per share. The weighted average price per share was $154.67. 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 February 27, 2020.

Read SEC document
June 01, 2020 Filed Jun 3, 2020 20:07 UTC
Ness TrevorSVP, Worldwide Sales & Mrkting
Exercise / conversionCommon Stock 3,500 $71.77 $251,195.00
Disclosure

SEC source: 0001111928-20-000117 · wf-form4_159121485164448.xml · nonDerivative · entry 1

Ness Trevor · CIK 0001568884 · SVP, Worldwide Sales & Mrkting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,907

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
May 28, 2020 Filed May 29, 2020 20:46 UTC GrantCommon Stock 1,642 $0.00 $0.00
Disclosure

SEC source: 0001111928-20-000115 · wf-form4_159078514519375.xml · nonDerivative · entry 1

CHILD MICHAEL C · CIK 0001262095 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,639

F1 · shares: Grant of restricted stock units vesting 100% on the earlier of May 28, 2021 or the date of the 2021 annual stockholder meeting of the Issuer.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.