{"data":{"ticker":"ATRA","transactions":[{"insiderName":"Cherry Brian N","insiderTitle":"Director","txDate":"2026-09-04","txCode":"P","isOpenMarket":true,"shares":"104166.0000","pricePerShare":"9.6000","valueUsd":"999993.6000","sharesOwnedAfter":"166486.0000","priceNote":null},{"insiderName":"Nguyen AnhCo","insiderTitle":"President and CEO","txDate":"2026-08-17","txCode":"S","isOpenMarket":true,"shares":"5062.0000","pricePerShare":"8.0764","valueUsd":"40882.7368","sharesOwnedAfter":"132775.0000","priceNote":null},{"insiderName":"Redmile Group, LLC","insiderTitle":"Director","txDate":"2026-07-22","txCode":"M","isOpenMarket":false,"shares":"195211.0000","pricePerShare":null,"valueUsd":null,"sharesOwnedAfter":"636912.0000","priceNote":"price not stated in the filing"},{"insiderName":"Redmile Group, LLC","insiderTitle":"Director","txDate":"2026-07-22","txCode":"F","isOpenMarket":false,"shares":"60.0000","pricePerShare":null,"valueUsd":null,"sharesOwnedAfter":"636852.0000","priceNote":"price not stated in the filing"},{"insiderName":"Cherry Brian N","insiderTitle":"Director","txDate":"2026-06-11","txCode":"A","isOpenMarket":false,"shares":"24000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"62320.0000","priceNote":null},{"insiderName":"HEIDEN WILLIAM K","insiderTitle":"Director","txDate":"2026-06-09","txCode":"A","isOpenMarket":false,"shares":"12000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"34188.0000","priceNote":null},{"insiderName":"Fust Matthew K","insiderTitle":"Director","txDate":"2026-06-09","txCode":"A","isOpenMarket":false,"shares":"12000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"30188.0000","priceNote":null},{"insiderName":"Ciongoli Gregory Austin","insiderTitle":"Director, 10% owner, See Remarks","txDate":"2026-06-09","txCode":"A","isOpenMarket":false,"shares":"12000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"12000.0000","priceNote":null},{"insiderName":"Grant-Huerta Yanina","insiderTitle":"Chief Accounting Officer","txDate":"2026-05-18","txCode":"S","isOpenMarket":true,"shares":"2414.0000","pricePerShare":"9.1286","valueUsd":"22036.4404","sharesOwnedAfter":"49636.0000","priceNote":null},{"insiderName":"Nguyen AnhCo","insiderTitle":"President and CEO","txDate":"2026-05-18","txCode":"S","isOpenMarket":true,"shares":"5241.0000","pricePerShare":"9.1289","valueUsd":"47844.5649","sharesOwnedAfter":"137837.0000","priceNote":null},{"insiderName":"Panacea Innovation Ltd","insiderTitle":"10% owner","txDate":"2026-05-07","txCode":"S","isOpenMarket":true,"shares":"313446.0000","pricePerShare":"10.0975","valueUsd":"3165020.9850","sharesOwnedAfter":"1011000.0000","priceNote":null},{"insiderName":"EcoR1 Capital, LLC","insiderTitle":"10% owner","txDate":"2026-05-07","txCode":"P","isOpenMarket":true,"shares":"507407.0000","pricePerShare":"9.3500","valueUsd":"4744255.4500","sharesOwnedAfter":"1552000.0000","priceNote":null}],"canonicalUrl":"https://xoomar.com/markets/stocks/atra"},"updatedAt":"2026-11-05T15:06:34.428Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data","canonicalUrl":"https://xoomar.com/markets/stocks/atra","meta":{"source":"SEC","sourceAttribution":"Insider trade data: SEC.","notice":"10 requests a minute without a key, 30 with a free key. Get a free key at https://xoomar.com/signup?utm_source=api, register your app at https://xoomar.com/developers/register?utm_source=api, and credit the data as \"Data: XOOMAR\" together with the sourceAttribution line."}}