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(\"Entegris\") and Yosemite Merger Sub, Inc. (\"Merger Sub\"), a Delaware corporation and a wholly owned subsidiary of Entegris, pursuant to which the Issuer was merged with and into Merger Sub, with the Issuer surviving as a wholly owned subsidiary of Entegris (the \"Merger\").  Pursuant to the Merger Agreement, at the effective time of the Merger, each share of Issuer common stock was cancelled and converted into (i) $133.00 in cash and (ii) 0.4506 of a share of Entegris common stock, with cash in lieu of any fractional shares of Entegris common stock (together, the \"Merger Consideration\").  The Merger closed on July 6, 2022.    On July 5, 2022, the closing price of the Issuer was $173.69, and the closing price of Entegris was $90.75.  As a result of the Merger, the reporting person no longer beneficially owns, directly or indirectly, any shares of Issuer common stock."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001127602-22-019025","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1102934/000112760222019025/form4.xml","form_type":"4"}},{"id":2210926,"issuer":{"id":125533,"kind":"organization","name":"CMC Materials, Inc.","symbol":"CCMP"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-07-07T09:10:21.000Z","date":"2022-07-06","kind":"disposition_to_issuer","acquired":false,"shares":26125,"ownership":{"direct":false,"nature":"Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Disposed of in connection with the transactions contemplated by the Agreement and Plan of Merger, dated as of December 14, 2021 (the \"Merger Agreement\"), by and among the Issuer, Entegris, Inc. (\"Entegris\") and Yosemite Merger Sub, Inc. (\"Merger Sub\"), a Delaware corporation and a wholly owned subsidiary of Entegris, pursuant to which the Issuer was merged with and into Merger Sub, with the Issuer surviving as a wholly owned subsidiary of Entegris (the \"Merger\").  Pursuant to the Merger Agreement, at the effective time of the Merger, each share of Issuer common stock was cancelled and converted into (i) $133.00 in cash and (ii) 0.4506 of a share of Entegris common stock, with cash in lieu of any fractional shares of Entegris common stock (together, the \"Merger Consideration\").  The Merger closed on July 6, 2022.    On July 5, 2022, the closing price of the Issuer was $173.69, and the closing price of Entegris was $90.75.  As a result of the Merger, the reporting person no longer beneficially owns, directly or indirectly, any shares of Issuer common stock."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001127602-22-019025","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1102934/000112760222019025/form4.xml","form_type":"4"}},{"id":2210925,"issuer":{"id":125533,"kind":"organization","name":"CMC Materials, Inc.","symbol":"CCMP"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true}}],"security":"Common Stock","published_at":"2022-07-07T09:10:21.000Z","date":"2022-07-06","kind":"disposition_to_issuer","acquired":false,"shares":7500,"ownership":{"direct":false,"nature":"Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Disposed of in connection with the transactions contemplated by the Agreement and Plan of Merger, dated as of December 14, 2021 (the \"Merger Agreement\"), by and among the Issuer, Entegris, Inc. (\"Entegris\") and Yosemite Merger Sub, Inc. (\"Merger Sub\"), a Delaware corporation and a wholly owned subsidiary of Entegris, pursuant to which the Issuer was merged with and into Merger Sub, with the Issuer surviving as a wholly owned subsidiary of Entegris (the \"Merger\").  Pursuant to the Merger Agreement, at the effective time of the Merger, each share of Issuer common stock was cancelled and converted into (i) $133.00 in cash and (ii) 0.4506 of a share of Entegris common stock, with cash in lieu of any fractional shares of Entegris common stock (together, the \"Merger Consideration\").  The Merger closed on July 6, 2022.    On July 5, 2022, the closing price of the Issuer was $173.69, and the closing price of Entegris was $90.75.  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(\"Entegris\") and Yosemite Merger Sub, Inc. (\"Merger Sub\"), a Delaware corporation and a wholly owned subsidiary of Entegris, pursuant to which the Issuer was merged with and into Merger Sub, with the Issuer surviving as a wholly owned subsidiary of Entegris (the \"Merger\").  Pursuant to the Merger Agreement, at the effective time of the Merger, each share of Issuer common stock was cancelled and converted into (i) $133.00 in cash and (ii) 0.4506 of a share of Entegris common stock, with cash in lieu of any fractional shares of Entegris common stock (together, the \"Merger Consideration\").  The Merger closed on July 6, 2022.    On July 5, 2022, the closing price of the Issuer was $173.69, and the closing price of Entegris was $90.75.  As a result of the Merger, the reporting person no longer beneficially owns, directly or indirectly, any shares of Issuer common stock."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001127602-22-019025","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1102934/000112760222019025/form4.xml","form_type":"4"}},{"id":2233316,"issuer":{"id":3514,"kind":"organization","name":"LITTELFUSE INC /DE","symbol":"LFUS"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-14T20:42:35.000Z","date":"2022-06-13","kind":"other","acquired":true,"shares":5,"price":256.02,"value":1280.1,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares acquired pursuant to reinvestment of dividends on shares held pursuant to a deferred compensation plan."}],"balance_after":16912,"source":{"system":"sec-edgar","filing":"0001567619-22-012834","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/889331/000156761922012834/doc1.xml","form_type":"4"}},{"id":2242724,"issuer":{"id":5645,"kind":"organization","name":"ASPEN AEROGELS INC","symbol":"ASPN"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option  (Right-to-Buy)","published_at":"2022-06-06T23:19:16.000Z","date":"2022-06-02","kind":"grant","acquired":true,"shares":3178,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy.  The options will vest on the earlier of (a) June 2, 2023, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2023."}],"balance_after":3178,"derivative":{"exercise_price":18.89,"expiration_date":"2032-06-02","underlying":"Common Stock","underlying_shares":3178},"source":{"system":"sec-edgar","filing":"0001209191-22-034706","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1145986/000120919122034706/doc4.xml","form_type":"4"}},{"id":2242723,"issuer":{"id":5645,"kind":"organization","name":"ASPEN AEROGELS INC","symbol":"ASPN"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-06T23:19:16.000Z","date":"2022-06-02","kind":"grant","acquired":true,"shares":2699,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. 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Mr. Noglows is the Trustee of Trust III."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"The shares of common stock are held by Trust III, of which the reporting person is the Trustee."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001209191-22-009003","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1145986/000120919122009003/doc5.xml","form_type":"5"}},{"id":2402200,"issuer":{"id":5645,"kind":"organization","name":"ASPEN AEROGELS INC","symbol":"ASPN"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-11T23:39:03.000Z","date":"2021-10-08","kind":"gift","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"These shares of common stock were transferred by Trust I, to a trust for the benefit of another one of Mr. Noglows' children (\"Trust III\"), as a bona fide gift  for which no payment of consideration was received by Trust I.  Mr. Noglows is the Trustee of Trust III."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The shares of common stock are held by Trust I, of which the reporting person's spouse is the Trustee."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-22-009003","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1145986/000120919122009003/doc5.xml","form_type":"5"}},{"id":2402199,"issuer":{"id":5645,"kind":"organization","name":"ASPEN AEROGELS INC","symbol":"ASPN"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-11T23:39:03.000Z","date":"2021-10-08","kind":"gift","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares of common stock were transferred by Trust I, to a trust for the benefit of one Mr. Noglows' children (\"Trust II\"), as a bona fide gift for which no payment of consideration was received by Trust I.  Mr. Noglows is the Trustee of Trust II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares of common stock are held by Trust II, of which the reporting person is the Trustee."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001209191-22-009003","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1145986/000120919122009003/doc5.xml","form_type":"5"}},{"id":2402198,"issuer":{"id":5645,"kind":"organization","name":"ASPEN AEROGELS INC","symbol":"ASPN"},"owners":[{"id":35238,"kind":"person","name":"NOGLOWS WILLIAM P","position":1,"cik":"0001201094","reported_name":"NOGLOWS WILLIAM P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-11T23:39:03.000Z","date":"2021-10-08","kind":"gift","acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares of common stock were transferred by Trust I, to a trust for the benefit of one Mr. Noglows' children (\"Trust II\"), as a bona fide gift for which no payment of consideration was received by Trust I.  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