Adaptimmune Therapeutics PLC
Biological Products, (No Diagnostic Substances) · 1.59B shares · +15%/yr ↑ dilution · EDGAR filings ↗
Reference price $0.01 · est. market cap ~$16M — last insider sale, 2025-09-02 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D50Commercial-stage cell-therapy company with first-in-class approved TECELRA but explicit going-concern doubt and deep losses.
Strengths
- First engineered T-cell therapy approved for a solid tumor; lete-cel launch (2026) and breakthrough designation
- Revenue growth 195% (86th pct) and 99.9% gross margin as commercialization begins
Risks
- Auditor going-concern doubt; net margin -40%, deeply negative ROE (3.8th pct) on 4.2x debt/equity
- 29% headcount cut and strategic-review/cash strain despite 8 quarters runway
Notable findings
- Going concern● Although our financial statements have been prepared on a going concern basis, there is substantial doubt about our ability to continue as a going concern
- High leverageHigh leverage (debt/equity 4.24)
- Net lossNet loss (net margin -39.8%)
- Cash burnNegative free cash flow (-74.1M)
- Chronic dilutionShare count +15%/yr over 3y (dilution, book value/share -96%)
- Strong balance sheetStrong balance sheet — $152M cash & investments, ~8 quarters of runway
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
100.0%
Operating margin
-38.6%
Net margin
-39.8%
Return on equity
-597.6%
Return on assets
-28.8%
ROIC
-87.5%
Revenue growth (QoQ)
87.7%
Debt / equity
4.2×
Current ratio
2.9×
Free cash flow
-$74M
Tangible book value
$8M
Cash & investments
$152M
Cash runway
8q
Stock comp / revenue
6.8%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2025-09-02 | Wood Gavin | Sell | 96K | $0.01 |
| 2025-08-28 | Bertrand William C JR | Sell | 207K | $0.01 |
| 2025-08-18 | Behbahani Ali | Sell | 14.7M | $0.01 |
| 2025-08-15 | Behbahani Ali | Sell | 4.8M | $0.01 |
| 2025-07-30 | EcoR1 Capital, LLC | Sell | 27.4M | $0.10 |
| 2025-07-29 | EcoR1 Capital, LLC | Sell | 2.7M | $0.10 |
| 2025-07-28 | EcoR1 Capital, LLC | Sell | 33.9M | $0.11 |
| 2025-01-17 | Norry Elliot | Sell | 5.6K | $0.58 |
| 2025-01-17 | Lunger John | Sell | 5.6K | $0.58 |
| 2025-01-17 | Bertrand William C JR | Sell | 5.6K | $0.58 |
| 2025-01-17 | Rawcliffe Adrian | Sell | 31K | $0.58 |
| 2025-01-15 | Bertrand William C JR | Sell | 9.8K | $0.57 |
| 2025-01-15 | Rawcliffe Adrian | Sell | 29K | $0.57 |
| 2025-01-15 | Piccina Cintia | Sell | 13K | $0.57 |
| 2025-01-15 | Norry Elliot | Sell | 9.8K | $0.57 |
| 2025-01-15 | Lunger John | Sell | 9.8K | $0.57 |
| 2025-01-13 | Norry Elliot | Sell | 8.1K | $0.59 |
| 2025-01-13 | Bertrand William C JR | Sell | 5.5K | $0.59 |
| 2025-01-13 | Lunger John | Sell | 4.3K | $0.59 |
| 2025-01-13 | Lunger John | Sell | 5.5K | $0.59 |
| 2025-01-13 | Rawcliffe Adrian | Sell | 18K | $0.59 |
| 2025-01-13 | Rawcliffe Adrian | Sell | 13K | $0.59 |
| 2025-01-13 | Bertrand William C JR | Sell | 4.3K | $0.59 |
| 2025-01-13 | Norry Elliot | Sell | 4.3K | $0.59 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2025-10-20 | Delisting noticeReg FDExhibits | filing ↗ |
| 2025-09-26 | Delisting notice | filing ↗ |
| 2025-09-12 | Delisting notice | filing ↗ |
| 2025-09-08 | Exec/director changeExhibits | filing ↗ |
| 2025-08-29 | Exec/director changeExhibits | filing ↗ |
| 2025-08-15 | Exec/director changeExhibits | filing ↗ |
| 2025-08-14 | Delisting notice | filing ↗ |
| 2025-08-13 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2025-10-20 | 2025-10-15 | 0001104659-25-100618 ↗ |
| 8-K | 2025-09-26 | 2025-09-22 | 0001104659-25-093882 ↗ |
| 8-K | 2025-09-12 | 2025-09-11 | 0001104659-25-089558 ↗ |
| 8-K | 2025-09-08 | 2025-09-06 | 0001558370-25-011925 ↗ |
| 8-K | 2025-08-29 | 2025-08-29 | 0001558370-25-011820 ↗ |
| 8-K | 2025-08-15 | 2025-08-15 | 0001558370-25-011616 ↗ |
| 8-K | 2025-08-14 | 2025-08-14 | 0001558370-25-011579 ↗ |
| 10-Q | 2025-08-13 | 2025-06-30 | 0001558370-25-011307 ↗ |
| 8-K | 2025-08-13 | 2025-08-13 | 0001558370-25-011304 ↗ |
| 8-K | 2025-08-07 | 2025-08-07 | 0001558370-25-010785 ↗ |
| 8-K | 2025-07-31 | 2025-07-31 | 0001104659-25-072753 ↗ |
| 8-K | 2025-07-28 | 2025-07-27 | 0001104659-25-071009 ↗ |