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The remaining vesting will occur on September 6, 2025, and 2026, subject to the reporting person's continued employment with the issuer on each such vesting date. 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Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"These restricted stock units were granted pursuant to the issuer's 2017 Incentive Award Plan and vest in three equal installments on September 6, 2025, 2026, and 2027, subject to the reporting person's continued employment with the issuer on each vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These restricted stock units were granted pursuant to the issuer's 2017 Incentive Award Plan and vest in three equal installments on September 6, 2025, 2026, and 2027, subject to the reporting person's continued employment with the issuer on each vesting date. 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Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"These restricted stock units were granted pursuant to the issuer's 2017 Incentive Award Plan and vest in three equal installments on September 6, 2024, 2025, and 2026, subject to the reporting person's continued employment with the issuer on each vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These restricted stock units were granted pursuant to the issuer's 2017 Incentive Award Plan and vest in three equal installments on September 6, 2024, 2025, and 2026, subject to the reporting person's continued employment with the issuer on each vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These restricted stock units were granted pursuant to the issuer's 2017 Incentive Award Plan and vest in three equal installments on September 6, 2024, 2025, and 2026, subject to the reporting person's continued employment with the issuer on each vesting date. 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Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This represents the second vesting on July 1, 2024 in the amount of 5,000 units for a total amount vested of 10,000 of the restricted stock units issued on July 1, 2022. The remaining vesting will occur on July 1, 2025, subject to the reporting person's continued employment with the issuer on such vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"This represents the second vesting on July 1, 2024 in the amount of 5,000 units for a total amount vested of 10,000 of the restricted stock units issued on July 1, 2022. 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The remaining vesting will occur on July 1, 2025, subject to the reporting person's continued employment with the issuer on such vesting date. 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The remaining vesting will occur on February 10, 2025 and 2026, subject to the reporting person's continued employment with the issuer on such vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This represents the second vesting on February 10, 2024 in the amount of 8,750 units for a total amount vested of 17,500 of the restricted stock units issued on February 10, 2022. The remaining vesting will occur on February 10, 2025 and 2026, subject to the reporting person's continued employment with the issuer on such vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This represents the second vesting on February 10, 2024 in the amount of 8,750 units for a total amount vested of 17,500 of the restricted stock units issued on February 10, 2022. The remaining vesting will occur on February 10, 2025 and 2026, subject to the reporting person's continued employment with the issuer on such vesting date. Each restricted stock unit represents the right to receive one share of the issuer's common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"This represents the second vesting on February 10, 2024 in the amount of 8,750 units for a total amount vested of 17,500 of the restricted stock units issued on February 10, 2022. The remaining vesting will occur on February 10, 2025 and 2026, subject to the reporting person's continued employment with the issuer on such vesting date. 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The remaining vesting will occur on February 10, 2025 and 2026, subject to the reporting person's continued employment with the issuer on such vesting date. 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Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":135543,"source":{"system":"sec-edgar","filing":"0001580808-20-000139","document":"wf-form4_160927820949152.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1580808/000158080820000139/wf-form4_160927820949152.xml","form_type":"4"}},{"id":2965723,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":87654,"kind":"person","name":"Reiss Gunter","position":1,"cik":"0001720596","reported_name":"Reiss Gunter","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Worldwide Marketing"}}],"security":"Common Stock","published_at":"2020-11-25T21:09:35.000Z","date":"2020-11-24","kind":"sale","acquired":false,"shares":3000,"price":8.24,"value":24720.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price of the shares sold, which ranged from $8.20 to $8.28 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":138543,"source":{"system":"sec-edgar","filing":"0001580808-20-000127","document":"wf-form4_160633856110932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1580808/000158080820000127/wf-form4_160633856110932.xml","form_type":"4"}},{"id":2985988,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":87654,"kind":"person","name":"Reiss Gunter","position":1,"cik":"0001720596","reported_name":"Reiss Gunter","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Worldwide Marketing"}}],"security":"Common Stock","published_at":"2020-11-10T21:10:53.000Z","date":"2020-11-06","kind":"sale","acquired":false,"shares":2615,"price":7.52,"value":19664.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units."}],"balance_after":141543,"source":{"system":"sec-edgar","filing":"0001580808-20-000125","document":"wf-form4_160504264125678.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1580808/000158080820000125/wf-form4_160504264125678.xml","form_type":"4"}},{"id":2999169,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":87654,"kind":"person","name":"Reiss Gunter","position":1,"cik":"0001720596","reported_name":"Reiss Gunter","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Worldwide Marketing"}}],"security":"Common Stock","published_at":"2020-10-28T00:06:41.000Z","date":"2020-10-26","kind":"sale","acquired":false,"shares":3000,"price":7.03,"value":21090.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price of the shares sold, which ranged from $6.96 to $7.10 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4."}],"balance_after":144158,"source":{"system":"sec-edgar","filing":"0001580808-20-000119","document":"wf-form4_160384358674362.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1580808/000158080820000119/wf-form4_160384358674362.xml","form_type":"4"}},{"id":3022254,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":87654,"kind":"person","name":"Reiss Gunter","position":1,"cik":"0001720596","reported_name":"Reiss Gunter","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP Worldwide Marketing"}}],"security":"Common Stock","published_at":"2020-09-25T20:14:09.000Z","date":"2020-09-24","kind":"sale","acquired":false,"shares":3000,"price":6.655,"value":19965.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price of the shares sold, which ranged from $6.58 to $6.76 per share. 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