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Upon achievement of a Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, the first fifty percent ( 50%) of which will occur within thirty (30) days of achievment of the applicable milestone and the balance to vest twenty-five percent (25%) on each of the first and second anniversaries of achievement of the corresponding Performance Milestone."}],"balance_after":7771,"derivative":{"expiration_date":"2030-02-12","underlying":"Common Stock","underlying_shares":7771},"source":{"system":"sec-edgar","filing":"0002074992-26-000002","document":"wk-form4_1771021558.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2074992/000207499226000002/wk-form4_1771021558.xml","form_type":"4"}},{"id":905457,"issuer":{"id":4574,"kind":"organization","name":"A10 Networks, Inc.","symbol":"ATEN"},"owners":[{"id":66531,"kind":"person","name":"Khoury Sheen George","position":1,"cik":"0002074992","reported_name":"Khoury Sheen George","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Sales and Mktg"}}],"security":"Common Stock","published_at":"2026-02-13T22:26:00.000Z","date":"2026-02-12","kind":"grant","planned":false,"acquired":true,"shares":7771,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Each share is represented by a Restricted Stock Unit (\"RSU\"). 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