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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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":16091,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916946,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":100,"price":222.9,"value":22290.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The reported transaction involves sale transactions ranging from $222.53 to $223.26 per share. 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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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":16263,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916945,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":118,"price":221.86,"value":26179.48,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported transaction involves sale transactions ranging from $221.04 to $222.00 per share. The weighted average price per share was $221.86. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":16363,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916944,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":795,"price":220.46,"value":175265.7,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported transaction involves sale transactions ranging from $220.03 to $221.02 per share. The weighted average price per share was $220.46. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":16481,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916943,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":372,"price":219.56,"value":81676.32,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported transaction involves sale transactions ranging from $219.00 to $219.93 per share. The weighted average price per share was $219.56. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":17276,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916942,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":767,"price":218.44,"value":167543.48,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported transaction involves sale transactions ranging from $218.00 to $218.98 per share. 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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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":17648,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916941,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"sale","acquired":false,"shares":992,"price":217.56,"value":215819.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $216.99 to $217.98 per share. 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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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 30, 2020."}],"balance_after":18415,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":2916940,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2021-01-06T21:20:23.000Z","date":"2021-01-04","kind":"exercise","acquired":true,"shares":4000,"price":119.5,"value":478000.0,"ownership":{"direct":true},"balance_after":19407,"source":{"system":"sec-edgar","filing":"0001111928-21-000003","document":"wf-form4_160996800902339.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192821000003/wf-form4_160996800902339.xml","form_type":"4"}},{"id":3005688,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Employee Stock Options (right to buy)","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"exercise","acquired":false,"shares":4467,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Grant of stock options vesting in one installment March 1, 2019."}],"balance_after":0,"derivative":{"exercise_price":97.65,"expiration_date":"2025-02-24","underlying":"Common Stock","underlying_shares":4467},"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005687,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":588,"price":186.98,"value":109944.24,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The reported transaction involves sale transactions ranging from $186.74 to $187.39 per share. The weighted average price per share was $186.98. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":15407,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005686,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":1200,"price":186.22,"value":223464.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The reported transaction involves sale transactions ranging from $185.74 to $186.72 per share. The weighted average price per share was $186.22. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":15995,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005685,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":796,"price":185.37,"value":147554.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported transaction involves sale transactions ranging from $184.74 to $185.73 per share. The weighted average price per share was $185.37. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":17195,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005684,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":551,"price":184.09,"value":101433.59,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported transaction involves sale transactions ranging from $183.68 to $184.58 per share. The weighted average price per share was $184.09. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":17991,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005683,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":251,"price":182.72,"value":45862.72,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported transaction involves sale transactions ranging from $182.45 to $183.05 per share. The weighted average price per share was $182.72. 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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":18542,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005682,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":781,"price":181.98,"value":142126.38,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported transaction involves sale transactions ranging from $181.45 to $182.32 per share. 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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."},{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 14, 2020."}],"balance_after":18793,"source":{"system":"sec-edgar","filing":"0001111928-20-000170","document":"wf-form4_160288037457992.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1111928/000111192820000170/wf-form4_160288037457992.xml","form_type":"4"}},{"id":3005681,"issuer":{"id":1767,"kind":"organization","name":"IPG PHOTONICS CORP","symbol":"IPGP"},"owners":[{"id":63568,"kind":"person","name":"Ness Trevor","position":1,"cik":"0001568884","reported_name":"Ness Trevor","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Worldwide Sales & Mrkting"}}],"security":"Common Stock","published_at":"2020-10-16T20:33:08.000Z","date":"2020-10-15","kind":"sale","acquired":false,"shares":300,"price":180.93,"value":54279.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported transaction involves sale transactions ranging from $180.41 to $181.19 per share. 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