Panacea Innovation Ltd

Holdings History for Atara Biotherapeutics, Inc. - Common Stock (ATRA)

Symbol: ATRA on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 1,632,345 shares
Security Ownership %: 20%

Panacea Innovation Limited ownership in Atara Biotherapeutics, Inc. Common Stock (ATRA)

14 Jan 2026 - Panacea Innovation Limited has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,632,345 shares of Atara Biotherapeutics, Inc. Common Stock (ATRA). This represents 20% ownership of the company. In their previous filing dated 19 Aug 2025, Panacea Innovation Ltd had reported owning 1,712,900 shares, indicating a decrease of +4.7%. .

Reporting Name	Ownership %	Change	Shares owned	Change	Activity %	Form	Report date	Filing time
Panacea Innovation Limited	20%	-0.05%	1,632,345	-80,555	-4.7%	13D/A	12 Jan 2026	14 Jan 2026, 21:20
Panacea Innovation Limited	20%	+0.05%	1,712,900	+74,335	+4.5%	13D/A	15 Aug 2025	19 Aug 2025, 20:15
Panacea Innovation Limited	20%		1,638,565			13D	16 May 2025	21 May 2025, 18:00