Biotechnology · Healthcare
Head of Investor Relations, CFO, COO
2024-11-12–present
Head of Investor Relations
Atara Biotherapeutics, Inc. (ATRA)Equibles does not estimate personal net worth.
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Get ATRA alertsEric Hyllengren is recorded as COO at Atara Biotherapeutics, Inc. (ATRA) since November 12, 2024, Head of Investor Relations and CFO at Atara Biotherapeutics, Inc. (ATRA) and CFO at Zura Bio Ltd (ZURA) since July 7, 2025. The newest filing on record that lists Eric Hyllengren as CFO at Atara Biotherapeutics, Inc. (ATRA) is dated April 24, 2026. The newest filing on record that lists Eric Hyllengren as CFO at Zura Bio Ltd (ZURA) is dated April 30, 2026. Zura Bio Ltd reported in an 8-K filed April 23, 2026 that Eric Hyllengren was terminated as Chief Financial Officer, Principal Financial Officer and Principal Accounting Officer, effective April 20, 2026. Zura Bio Ltd reported in an 8-K filed July 1, 2025 that Eric Hyllengren was appointed Chief Financial Officer (principal accounting and principal financial officer), effective July 7, 2025. Atara Biotherapeutics, Inc. reported in an 8-K filed November 12, 2024 that Eric Hyllengren was appointed Chief Operating Officer. Equibles holds 5 filed executive changes naming Eric Hyllengren; each is listed under recent activity with its source filing. The proxy statement of Atara Biotherapeutics, Inc. reports total compensation of $926,137 for Eric Hyllengren in fiscal 2024, including a base salary of $489,751. Eric Hyllengren has spoken on 10 earnings calls across 1 company, most recently for Atara Biotherapeutics, Inc. on November 1, 2023. Atara Biotherapeutics, Inc. is classified in the Biotechnology industry within the Healthcare sector. Zura Bio Ltd is classified in the Biotechnology industry within the Healthcare sector. Other leadership on record at Atara Biotherapeutics, Inc. includes AnhCo "Cokey" Thieu Nguyen (CEO), AnhCo Nguyen (CEO and Board Member), Cokey Nguyen (CEO) and 7 others.
“On April 20, 2026, Eric Hyllengren, the Company's Chief Financial Officer, Principal Financial Officer and Principal Accounting Officer, was separated from the Company.”
“On June 27, 2025, the Board of Directors (the “Board”) of Zura Bio Limited (the “Company”) appointed Eric Hyllengren as Chief Financial Officer (principal accounting and principal financial officer) of the Company, effective as of July 7, 2025 (the “Effective Date”).”
“Tommie, we signed the deal, but we will go through the typical HSR review, which we do not anticipate being an issue. This leads us to the effective date in December.”
“Good afternoon, everyone, and welcome to Atara's third quarter 2022 results conference call. Earlier today, we issued a press release announcing our third quarter financial results and corporate update.”
“Good afternoon, everyone, and welcome to Atara's second quarter 2022 results conference call. Earlier today, we issued a press release announcing our second quarter financial results and corporate update.”
“Good afternoon, everyone, and welcome to Atara's First Quarter 2022 Results Conference Call. Earlier today, we issued a press release announcing our first quarter financial results and operational progress.”
“Good morning, everyone, and welcome to Atara’s fourth quarter and full year 2021 results conference call. Earlier today, we issued a press release announcing our fourth quarter and full year financial results and operational progress.”
2025-07-07–present
Last confirmed April 30, 2026
2024-11-12–present
Start not stated–present
Last confirmed April 24, 2026
Start not stated–2026-04-20
Biotechnology · Healthcare
Head of Investor Relations, CFO, COO
2024-11-12–present
Compensation components disclosed in company proxy statements. Amounts are nominal USD; total is the company-reported figure.
| Fiscal year | Company | Role | Salary | Total |
|---|---|---|---|---|
| 2024 | Atara Biotherapeutics, Inc. (ATRA) | Former EVP, Chief Financial Officer and Chief Operating Officer | $489,751 | $926,137 |