Atara Biotherapeutics, Inc.
ATRAAs of the close on Sep 25, 2026
Price
$8.81
Market cap
—
The cover-page share count does not match the latest report's share count
P/E (diluted TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
EPS (TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How Atara Biotherapeutics, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
Pick a year or quarter. Each band's width is its dollar amount.
Source: Atara Biotherapeutics, Inc. — 10-K filed Mar 16, 2026
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 14 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 15, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| PlanVest Financial, Inc | 2026-03-31 | 28 | $132 | SEC filing |
| Alexis Investment Partners, LLC | 2025-09-30 | 15 | $215 | SEC filing |
| Alexis Investment Partners, LLC | 2024-12-31 | 28 | Not shown | SEC filing |
| EverSource Wealth Advisors, LLC | 2024-12-31 | 35 | Not shown | SEC filing |
| EverSource Wealth Advisors, LLC | 2024-09-30 | 35 | Not shown | SEC filing |
| EverSource Wealth Advisors, LLC | 2024-06-30 | 35 | Not shown | SEC filing |
| LAKE STREET ADVISORS GROUP, LLC | 2024-06-30 | 11,000 | Not shown | SEC filing |
| CWM, LLC | 2024-06-30 | 542 | Not shown | SEC filing |
| IFP Advisors, Inc | 2024-06-30 | 4,500 | Not shown | SEC filing |
| Boxer Capital, LLC | 2024-06-30 | 166,000 | Not shown | SEC filing |
| Legal & General Group Plc | 2024-03-31 | 9,047 | Not shown | SEC filing |
| Legal & General Group Plc | 2024-03-31 | 9,047 | Not shown | SEC filing |
| BARCLAYS PLC | 2024-03-31 | 67,661 | Not shown | SEC filing |
| IFP Advisors, Inc | 2024-03-31 | 4,500 | Not shown | SEC filing |
| NEW YORK STATE COMMON RETIREMENT FUND | 2024-03-31 | 39,681 | Not shown | SEC filing |
| DEUTSCHE BANK AG\ | 2024-03-31 | 36,353 | Not shown | SEC filing |
| NEUBERGER BERMAN GROUP LLC | 2024-03-31 | 11,976 | Not shown | SEC filing |
| MORGAN STANLEY | 2024-03-31 | 1,346,129 | Not shown | SEC filing |
| MORGAN STANLEY | 2024-03-31 | 1,346,129 | Not shown | SEC filing |
| Voya Investment Management LLC | 2024-03-31 | 33,767 | Not shown | SEC filing |
- Each value is checked against Atara Biotherapeutics, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 18 rows: no share price from within three months of their report dates is on file, so they could not be checked.
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- Alexis Investment Partners, LLC: 28 shares reported 2024-12-31; 15 shares reported 2025-09-30.
- EverSource Wealth Advisors, LLC: 35 shares reported 2024-09-30; 35 shares reported 2024-12-31.
- EverSource Wealth Advisors, LLC: 35 shares reported 2024-06-30; 35 shares reported 2024-09-30.
- IFP Advisors, Inc: 4,500 shares reported 2024-03-31; 4,500 shares reported 2024-06-30.
- JPMORGAN CHASE & CO: 2,188,044 shares reported 2023-12-31; 1,351,216 shares reported 2024-03-31.
- Voya Investment Management LLC: 40,841 shares reported 2023-12-31; 33,767 shares reported 2024-03-31.
- NEUBERGER BERMAN GROUP LLC: 11,137 shares reported 2023-12-31; 11,976 shares reported 2024-03-31.
- NEW YORK STATE COMMON RETIREMENT FUND: 39,541 shares reported 2023-12-31; 39,681 shares reported 2024-03-31.
- BARCLAYS PLC: 132,847 shares reported 2023-12-31; 67,661 shares reported 2024-03-31.
- Voya Investment Management LLC: 119,258 shares reported 2023-09-30; 40,841 shares reported 2023-12-31.
- NEW YORK STATE COMMON RETIREMENT FUND: 39,684 shares reported 2023-09-30; 39,541 shares reported 2023-12-31.
- BARCLAYS PLC: 16,733 shares reported 2023-09-30; 132,847 shares reported 2023-12-31.
Showing the 12 most recent filer reports.
8 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Atara Biotherapeutics, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-05-07 · Huang James: Larger than all 129 other insider sales of Common Stock on file. SEC filing
- 2026-05-07 · EcoR1 Capital, LLC: Larger than all 9 other insider purchases of Common Stock on file. SEC filing
- 2026-01-12 · Huang James: Larger than 127 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-05-16 · Hyllengren Eric J: Larger than 123 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-05-16 · Henrich Jill: Larger than 122 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-05-16 · Murugan Amar: Larger than 125 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-05-16 · Nguyen AnhCo: Larger than 126 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-05-16 · Touchon Pascal: Larger than 128 of the 129 other insider sales of Common Stock on file. SEC filing
- 2024-03-04 · Touchon Pascal: Larger than 121 of the 129 other insider sales of Common Stock on file. SEC filing
- 2023-11-16 · Touchon Pascal: Larger than 119 of the 129 other insider sales of Common Stock on file. SEC filing
- 2023-08-16 · Touchon Pascal: Larger than 120 of the 129 other insider sales of Common Stock on file. SEC filing
- 2023-05-16 · Touchon Pascal: Larger than 124 of the 129 other insider sales of Common Stock on file. SEC filing
- 2023-05-16 · Banard Charlene A.: Larger than 118 of the 129 other insider sales of Common Stock on file. SEC filing
- 2023-03-02 · Touchon Pascal: Larger than 117 of the 129 other insider sales of Common Stock on file. SEC filing
Independent insiders buying near the same time
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-18 | Nguyen AnhCo · President and CEO | Common Stock | S — Open market or private sale | −5,241 | 9.13 | SEC filing |
| 2026-05-18 | Grant-Huerta Yanina · Chief Accounting Officer | Common Stock | S — Open market or private sale | −2,414 | 9.13 | SEC filing |
| 2026-05-07 | EcoR1 Capital, LLC · 10% owner | Common Stock | P — Open market or private purchase | +507,407 | 9.35 | SEC filing |
| 2026-05-07 | Huang James · Director, 10% owner | Common Stock | S — Open market or private sale | −313,446 | 10.10 | SEC filing |
| 2026-03-02 | Nguyen AnhCo · President and CEO | Common Stock | S — Open market or private sale | −1,442 | 5.09 | SEC filing |
| 2026-03-02 | Grant-Huerta Yanina · Chief Accounting Officer | Common Stock | S — Open market or private sale | −24 | 5.08 | SEC filing |
| 2026-03-02 | Nguyen AnhCo · President and CEO | Common Stock | S — Open market or private sale | −58 | 5.08 | SEC filing |
| 2026-03-02 | Grant-Huerta Yanina · Chief Accounting Officer | Common Stock | S — Open market or private sale | −1,603 | 5.08 | SEC filing |
Showing 8 of 20 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-11 | Cherry Brian N · Director | Common Stock | A — Grant, award, or other acquisition | +24,000 | SEC filing |
| 2026-06-09 | Fust Matthew K · Director | Common Stock | A — Grant, award, or other acquisition | +12,000 | SEC filing |
| 2026-06-09 | HEIDEN WILLIAM K · Director | Common Stock | A — Grant, award, or other acquisition | +12,000 | SEC filing |
| 2026-06-09 | Ciongoli Gregory Austin · Director, 10% owner, other | Common Stock | A — Grant, award, or other acquisition | +12,000 | SEC filing |
| 2026-03-17 | Huang James · Director, 10% owner | Common Stock | M — Exercise or conversion of derivative security | +259,163 | SEC filing |
| 2026-03-17 | Huang James · Director, 10% owner | Warrants | M — Exercise or conversion of derivative security | −259,163 | SEC filing |
| 2026-03-17 | Huang James · Director, 10% owner | Common Stock | F — Payment of exercise price or tax by delivering securities | −5 | SEC filing |
| 2026-03-09 | Grant-Huerta Yanina · Chief Accounting Officer | Common Stock | A — Grant, award, or other acquisition | +20,300 | SEC filing |
Showing 8 of 22 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −350 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −496 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −262 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −381 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −460 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −8,961 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −331 | SEC filing |
| 2025-03-31 | Hyllengren Eric J · Other | Employee Stock Option (Right to Buy) | D — Disposition to the issuer | −1,900 | SEC filing |
Showing 8 of 10 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.