Protara Therapeutics, Inc.
TARA · Biological Products, (No Diagnostic Substances) · 56.2M shares · +22%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$4M (gross $90K, SBC $4M)
Reference price $5.40 · est. market cap ~$304M — last insider sale, 2026-04-08 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D46Clinical/early-stage biotech — deep losses, very well-funded.
Strengths
- Liquidity — current ratio 14.6 (91st)
Risks
- Pre-revenue, deep losses — per metrics
- Pre-revenue/clinical-stage — history of losses & need for capital per risk factors
- Binary clinical & funding risk — per 10-K
Notable findings
- Cash burnNegative free cash flow (-56.5M)
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Strong balance sheetStrong balance sheet — $198M cash & investments, ~14 quarters of runway
- Notable holderHeld by 5 notable fund(s): CITADEL ADVISORS LLC, STATE STREET CORP, GOLDMAN SACHS GROUP INC +2 more (as of 2026-03-31)
Key metrics
Return on equity
-29.2%
Return on assets
-27.4%
Current ratio
14.6×
Free cash flow
-$56M
Tangible book value
$196M
Cash & investments
$198M
Cash runway
14q
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-02 | CONKLING WILLIAM | Tax withheld | 6.0K | $4.34 |
| 2026-04-08 | Zummo Jacqueline | Sell | 1.1K | $5.40 |
| 2026-04-01 | Zummo Jacqueline | Sell | 23K | $5.26 |
| 2026-01-26 | Shefferman Jesse | Tax withheld | 8.7K | $6.67 |
| 2026-01-26 | Zummo Jacqueline | Tax withheld | 3.7K | $6.67 |
| 2026-01-26 | Fry Hannah | Tax withheld | 1.5K | $6.67 |
| 2026-01-26 | Fabbio Patrick | Tax withheld | 3.3K | $6.67 |
| 2026-01-20 | Shefferman Jesse | Tax withheld | 16K | $5.60 |
| 2026-01-20 | Fabbio Patrick | Tax withheld | 3.1K | $5.60 |
| 2026-01-20 | Zummo Jacqueline | Tax withheld | 6.6K | $5.60 |
| 2026-01-20 | Fry Hannah | Tax withheld | 2.1K | $5.60 |
| 2026-01-16 | CONKLING WILLIAM | Grant | 26K | — |
| 2026-01-16 | Fabbio Patrick | Grant | 28K | — |
| 2026-01-16 | Fry Hannah | Grant | 9.5K | — |
| 2026-01-16 | Nicacio Leonardo Viana | Grant | 26K | — |
| 2026-01-16 | Shefferman Jesse | Grant | 87K | — |
| 2026-01-16 | Zummo Jacqueline | Grant | 30K | — |
| 2025-06-27 | Shefferman Jesse | Gift | 3.4K | — |
| 2025-06-27 | Shefferman Jesse | Gift | 10K | — |
| 2025-06-26 | Shefferman Jesse | Gift | 3.4K | — |
| 2025-06-26 | Shefferman Jesse | Gift | 1.7K | — |
| 2025-06-24 | Shefferman Jesse | Gift | 300K | — |
| 2025-06-02 | CONKLING WILLIAM | Grant | 50K | — |
| 2025-05-14 | Levy Richard S | Buy | 20K | $3.19 |
| 2025-05-14 | Levy Richard S | Buy | 20K | $3.19 |
| 2025-04-15 | Nicacio Leonardo Viana | Grant | 50K | — |
| 2025-03-26 | Zummo Jacqueline | Sell | 21K | $4.53 |
| 2025-01-24 | Shefferman Jesse | Grant | 65K | — |
| 2025-01-24 | Zummo Jacqueline | Grant | 24K | — |
| 2025-01-24 | Fry Hannah | Grant | 9.5K | — |
| 2025-01-24 | Fabbio Patrick | Grant | 24K | — |
| 2025-01-21 | Fabbio Patrick | Tax withheld | 3.1K | $4.76 |
| 2025-01-21 | Fry Hannah | Tax withheld | 2.1K | $4.76 |
| 2025-01-21 | Zummo Jacqueline | Tax withheld | 6.6K | $4.76 |
| 2025-01-21 | Shefferman Jesse | Tax withheld | 15K | $4.76 |
| 2025-01-03 | Shefferman Jesse | Tax withheld | 6.5K | $6.14 |
| 2025-01-03 | Zummo Jacqueline | Tax withheld | 2.2K | $6.14 |
| 2025-01-03 | Fry Hannah | Tax withheld | 394 | $6.14 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-15 | 2026-06-12 | 0001213900-26-068774 ↗ |
| 8-K | 2026-05-13 | 2026-05-13 | 0001213900-26-055462 ↗ |
| 10-Q | 2026-05-13 | 2026-03-31 | 0001213900-26-055463 ↗ |
| 8-K | 2026-03-30 | 2026-03-30 | 0001213900-26-035971 ↗ |
| 10-K | 2026-03-10 | 2025-12-31 | 0001213900-26-025433 ↗ |
| 8-K | 2026-03-10 | 2026-03-10 | 0001213900-26-025432 ↗ |
| 8-K | 2026-02-24 | 2026-02-23 | 0001213900-26-019617 ↗ |
| 8-K | 2025-12-15 | 2025-12-15 | 0001213900-25-121687 ↗ |
| 8-K | 2025-12-08 | 2025-12-04 | 0001213900-25-119242 ↗ |
| 8-K | 2025-12-03 | 2025-12-03 | 0001213900-25-117577 ↗ |
| 8-K | 2025-11-19 | 2025-11-19 | 0001213900-25-112383 ↗ |
| 10-Q | 2025-11-10 | 2025-09-30 | 0001213900-25-107881 ↗ |