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The Reporting Person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":16972383,"source":{"system":"sec-edgar","filing":"0001104659-24-060545","document":"tm2413909-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924060545/tm2413909-2_4seq1.xml","form_type":"4"}},{"id":1522311,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-05-09T20:16:01.000Z","date":"2024-05-07","kind":"sale","planned":true,"acquired":false,"shares":118949,"price":55.0073,"value":6543063.3277,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on May 7, 2024 at prices ranging from $55.00 to $55.07. 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These shares were sold in multiple transactions on March 7, 2024 at prices ranging from $50.15 to $50.45. 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These shares were sold in multiple transactions on March 7, 2024 at prices ranging from $49.09 to $50.03. 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These shares were sold in multiple transactions on March 6, 2024 at prices ranging from $49.80 to $50.315. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17253104,"source":{"system":"sec-edgar","filing":"0001104659-24-031901","document":"tm247953-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031901/tm247953-2_4seq1.xml","form_type":"4"}},{"id":1589720,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-07T21:15:19.000Z","date":"2024-03-06","kind":"sale","planned":true,"acquired":false,"shares":80572,"price":49.6237,"value":3998280.7564,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 6, 2024 at prices ranging from $48.80 to $49.7975. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17372969,"source":{"system":"sec-edgar","filing":"0001104659-24-031901","document":"tm247953-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031901/tm247953-2_4seq1.xml","form_type":"4"}},{"id":1589719,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-07T21:15:19.000Z","date":"2024-03-05","kind":"sale","planned":true,"acquired":false,"shares":4605,"price":50.2662,"value":231475.851,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 5, 2024 at prices ranging from $50.005 to $50.845. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17453541,"source":{"system":"sec-edgar","filing":"0001104659-24-031901","document":"tm247953-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031901/tm247953-2_4seq1.xml","form_type":"4"}},{"id":1589718,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-07T21:15:19.000Z","date":"2024-03-05","kind":"sale","planned":true,"acquired":false,"shares":43390,"price":49.3256,"value":2140237.784,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 5, 2024 at prices ranging from $48.96 to $49.955. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17458146,"source":{"system":"sec-edgar","filing":"0001104659-24-031901","document":"tm247953-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031901/tm247953-2_4seq1.xml","form_type":"4"}},{"id":1589717,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-07T21:15:19.000Z","date":"2024-03-05","kind":"sale","planned":true,"acquired":false,"shares":57025,"price":48.2339,"value":2750538.1475,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 5, 2024 at prices ranging from $47.94 to $48.92. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17501536,"source":{"system":"sec-edgar","filing":"0001104659-24-031901","document":"tm247953-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031901/tm247953-2_4seq1.xml","form_type":"4"}},{"id":1598363,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-05T22:06:39.000Z","date":"2024-03-04","kind":"sale","planned":true,"acquired":false,"shares":128333,"price":51.286,"value":6581686.238,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 4, 2024 at prices ranging from $50.99 to $51.70. The reporting person undertakes to provide to Bentley Systems, Incorporated, any security holder of Bentley Systems, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."}],"balance_after":17558561,"source":{"system":"sec-edgar","filing":"0001104659-24-031086","document":"tm247953-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1031308/000110465924031086/tm247953-1_4seq1.xml","form_type":"4"}},{"id":1598362,"issuer":{"id":438,"kind":"organization","name":"BENTLEY SYSTEMS INC","symbol":"BSY"},"owners":[{"id":38304,"kind":"person","name":"Bentley Keith A.","position":1,"cik":"0001825187","reported_name":"Bentley Keith A.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2024-03-05T22:06:39.000Z","date":"2024-03-01","kind":"sale","planned":true,"acquired":false,"shares":200,"price":51.6725,"value":10334.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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 8, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions on March 1, 2024 at prices ranging from $51.665 to $51.68. 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These shares were sold in multiple transactions on March 1, 2024 at prices ranging from $50.66 to $51.61. 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