Lexeo Therapeutics, Inc.
LXEO · Biological Products, (No Diagnostic Substances) · 78.5M shares · +342%/yr ↑ dilution · EDGAR filings ↗
Reference price $5.07 · est. market cap ~$398M — last insider sale, 2026-05-18 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D46Clinical/early-stage biotech — gene-therapy clinical, heavy burn ($99M), very cash-rich.
Strengths
- Liquidity — current ratio 11.2 (86th)
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
- Chronic dilutionShare count +342%/yr over 2y (dilution, book value/share -89%)
- Cash burnNegative free cash flow (-99.0M)
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC, RENAISSANCE TECHNOLOGIES LLC
- Strong balance sheetStrong balance sheet — $247M cash & investments, ~10 quarters of runway
- Notable holderHeld by 4 notable fund(s): CITADEL ADVISORS LLC, STATE STREET CORP, GOLDMAN SACHS GROUP INC +1 more (as of 2026-03-31)
- Insider sellingInsider selling — 5 open-market sale(s) by 2 insider(s) (cluster of 2 insiders, ~$420,888, last 6mo) Form 4 ↗
Key metrics
Return on equity
-40.5%
Return on assets
-37.2%
Current ratio
11.2×
Free cash flow
-$99M
EBITDA
-$109M
Tangible book value
$247M
Cash & investments
$247M
Cash runway
10q
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-18 | Otero Jose Manuel | Sell | 1.3K | $5.07 |
| 2026-05-18 | Townsend Richard Nolan | Sell | 3.3K | $5.06 |
| 2026-04-06 | Townsend Richard Nolan | Sell | 55K | $5.69 |
| 2026-03-13 | Townsend Richard Nolan | Grant | 2.6K | $2.64 |
| 2026-03-13 | Otero Jose Manuel | Grant | 5.9K | $2.64 |
| 2026-02-18 | Townsend Richard Nolan | Sell | 10K | $6.38 |
| 2026-02-18 | Otero Jose Manuel | Sell | 3.0K | $6.40 |
| 2026-02-13 | Bhalla Narinder Pal | Grant | 50K | — |
| 2026-02-04 | Otero Jose Manuel | Grant | 65K | — |
| 2026-02-04 | Tamayo Louis Edward | Grant | 45K | — |
| 2026-02-04 | Townsend Richard Nolan | Grant | 162K | — |
| 2025-11-18 | See Tai Sandi | Sell | 386 | $9.27 |
| 2025-11-18 | Otero Jose Manuel | Sell | 721 | $9.27 |
| 2025-11-18 | Townsend Richard Nolan | Sell | 1.1K | $9.27 |
| 2025-11-18 | Robertson Jenny | Sell | 549 | $9.27 |
| 2025-11-18 | Adler Eric | Sell | 615 | $9.27 |
| 2025-10-17 | Townsend Richard Nolan | Sell | 148 | $9.56 |
| 2025-10-17 | Adler Eric | Sell | 3.3K | $8.94 |
| 2025-10-17 | Otero Jose Manuel | Sell | 2.1K | $8.94 |
| 2025-10-17 | Otero Jose Manuel | Sell | 24 | $9.56 |
| 2025-10-17 | Robertson Jenny | Sell | 40 | $9.56 |
| 2025-10-17 | See Tai Sandi | Sell | 3.8K | $8.94 |
| 2025-10-17 | See Tai Sandi | Sell | 44 | $9.56 |
| 2025-10-17 | Adler Eric | Sell | 38 | $9.56 |
| 2025-10-17 | Robertson Jenny | Sell | 3.5K | $8.94 |
| 2025-10-17 | Townsend Richard Nolan | Sell | 13K | $8.94 |
| 2025-10-15 | Adler Eric | Grant | 9.6K | — |
| 2025-10-15 | Otero Jose Manuel | Grant | 5.9K | — |
| 2025-10-15 | See Tai Sandi | Grant | 11K | — |
| 2025-10-15 | Townsend Richard Nolan | Grant | 33K | — |
| 2025-10-15 | Robertson Jenny | Grant | 9.9K | — |
| 2025-09-12 | Townsend Richard Nolan | Grant | 2.2K | $2.64 |
| 2025-08-29 | Tamayo Louis Edward | Grant | 45K | — |
| 2025-08-18 | Otero Jose Manuel | Sell | 2.8K | $4.67 |
| 2025-08-18 | Robertson Jenny | Sell | 542 | $4.67 |
| 2025-08-18 | Adler Eric | Sell | 608 | $4.67 |
| 2025-08-18 | Townsend Richard Nolan | Sell | 2.7K | $4.67 |
| 2025-08-18 | See Tai Sandi | Sell | 382 | $4.67 |
| 2025-08-18 | Otero Jose Manuel | Sell | 721 | $9.27 |
| 2025-08-18 | Townsend Richard Nolan | Sell | 1.1K | $4.67 |
| 2025-05-16 | Townsend Richard Nolan | Sell | 1.1K | $2.77 |
| 2025-05-16 | Adler Eric | Sell | 585 | $2.77 |
| 2025-05-16 | Robertson Jenny | Sell | 521 | $2.77 |
| 2025-05-16 | See Tai Sandi | Sell | 367 | $2.77 |
| 2025-03-14 | Otero Jose Manuel | Grant | 5.7K | $2.61 |
| 2025-03-14 | Robertson Jenny | Grant | 5.7K | $2.61 |
| 2025-03-14 | See Tai Sandi | Grant | 5.7K | $2.61 |
| 2025-03-14 | Townsend Richard Nolan | Grant | 2.1K | $2.61 |
| 2025-02-19 | Townsend Richard Nolan | Sell | 4.3K | $4.41 |
| 2025-02-19 | See Tai Sandi | Sell | 1.5K | $4.41 |
| 2025-02-19 | Adler Eric | Sell | 2.4K | $4.41 |
| 2025-02-19 | Robertson Jenny | Sell | 2.1K | $4.41 |
| 2025-01-17 | Rasbach Kyle | Grant | 41K | — |
| 2025-01-07 | Townsend Richard Nolan | Grant | 104K | — |
| 2025-01-07 | Otero Jose Manuel | Grant | 26K | — |
| 2025-01-07 | Robertson Jenny | Grant | 36K | — |
| 2025-01-07 | See Tai Sandi | Grant | 39K | — |
| 2025-01-07 | Adler Eric | Grant | 44K | — |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-15 | Reg FDOtherExhibits | filing ↗ |
| 2026-05-11 | ResultsOtherExhibits | filing ↗ |
| 2026-04-30 | Exec/director change | filing ↗ |
| 2026-03-30 | ResultsOtherExhibits | filing ↗ |
| 2026-02-05 | Exec/director change | filing ↗ |
| 2026-01-27 | Exec/director change | filing ↗ |
| 2026-01-12 | Reg FDOtherExhibits | filing ↗ |
| 2025-11-05 | ResultsExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-15 | 2026-06-15 | 0001193125-26-270275 ↗ |
| 8-K | 2026-05-11 | 2026-05-11 | 0001193125-26-215674 ↗ |
| 10-Q | 2026-05-11 | 2026-03-31 | 0001193125-26-215678 ↗ |
| 8-K | 2026-04-30 | 2026-04-28 | 0001193125-26-193927 ↗ |
| 10-K | 2026-03-30 | 2025-12-31 | 0001193125-26-132085 ↗ |
| 8-K | 2026-03-30 | 2026-03-30 | 0001193125-26-131792 ↗ |
| 8-K | 2026-02-05 | 2026-01-30 | 0001193125-26-039425 ↗ |
| 8-K | 2026-01-27 | 2026-01-27 | 0001193125-26-023339 ↗ |
| 8-K | 2026-01-12 | 2026-01-12 | 0001193125-26-010091 ↗ |
| 10-Q | 2025-11-05 | 2025-09-30 | 0001193125-25-265757 ↗ |
| 8-K | 2025-11-05 | 2025-11-05 | 0001193125-25-265755 ↗ |
| 8-K | 2025-10-17 | 2025-10-16 | 0001193125-25-242652 ↗ |