Vor Biopharma Inc.
VOR · Biological Products, (No Diagnostic Substances) · 54.2M shares · -53%/yr ↓ buyback · EDGAR filings ↗
Reference price $15.77 · est. market cap ~$855M — last insider sale, 2026-04-22 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
D44Clinical/early-stage biotech — cell-therapy clinical with negative book equity, heavy burn, very well-funded.
Strengths
- Liquidity — current ratio 18.2 (94th)
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
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Cash burnNegative free cash flow (-143.7M)
- Buying back stockNet buyback — share count -53%/yr over 3y
- Strong balance sheetStrong balance sheet — $455M cash & investments, ~13 quarters of runway
- New fund positionNotable fund(s) opened this quarter: RENAISSANCE TECHNOLOGIES LLC
- AccumulatingInstitutional holders rose 8→9 QoQ (2025-12-31→2026-03-31)
- Insider sellingInsider selling — 15 open-market sale(s) by 1 insider(s) (~$49M, last 6mo) Form 4 ↗
- Notable holderHeld by 5 notable fund(s): FMR LLC, STATE STREET CORP, GOLDMAN SACHS GROUP INC +2 more (as of 2026-03-31)
Key metrics
Return on equity
423.6%
Return on assets
-150.0%
Current ratio
18.2×
Free cash flow
-$144M
Tangible book value
-$164M
Cash & investments
$455M
Cash runway
13q
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-04-22 | RA CAPITAL MANAGEMENT, L.P. | Sell | 165K | $15.77 |
| 2026-04-20 | RA CAPITAL MANAGEMENT, L.P. | Sell | 172K | $15.77 |
| 2026-04-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 458K | $16.28 |
| 2026-04-15 | RA CAPITAL MANAGEMENT, L.P. | Sell | 54K | $16.01 |
| 2026-04-14 | RA CAPITAL MANAGEMENT, L.P. | Sell | 154K | $15.97 |
| 2026-04-13 | RA CAPITAL MANAGEMENT, L.P. | Sell | 531K | $16.15 |
| 2026-04-10 | RA CAPITAL MANAGEMENT, L.P. | Sell | 828 | $15.75 |
| 2026-04-09 | RA CAPITAL MANAGEMENT, L.P. | Sell | 135K | $16.59 |
| 2026-04-08 | RA CAPITAL MANAGEMENT, L.P. | Sell | 131K | $16.91 |
| 2026-04-08 | RA CAPITAL MANAGEMENT, L.P. | Sell | 353K | $16.32 |
| 2026-04-06 | RA CAPITAL MANAGEMENT, L.P. | Sell | 6.8K | $18.50 |
| 2026-04-06 | RA CAPITAL MANAGEMENT, L.P. | Sell | 45K | $17.31 |
| 2026-04-06 | RA CAPITAL MANAGEMENT, L.P. | Sell | 538K | $16.51 |
| 2026-04-02 | RA CAPITAL MANAGEMENT, L.P. | Sell | 1.5K | $19.06 |
| 2026-04-02 | RA CAPITAL MANAGEMENT, L.P. | Sell | 258K | $18.23 |
| 2025-12-18 | RA CAPITAL MANAGEMENT, L.P. | Grant | 4.6M | $10.81 |
| 2025-12-05 | Mahatme Sandesh | Disposition | 694K | — |
| 2025-10-30 | RA CAPITAL MANAGEMENT, L.P. | Sell | 25K | $25.12 |
| 2025-10-29 | RA CAPITAL MANAGEMENT, L.P. | Sell | 252K | $25.22 |
| 2025-10-28 | RA CAPITAL MANAGEMENT, L.P. | Sell | 36K | $28.18 |
| 2025-10-28 | RA CAPITAL MANAGEMENT, L.P. | Sell | 88K | $27.10 |
| 2025-10-27 | RA CAPITAL MANAGEMENT, L.P. | Sell | 91K | $28.12 |
| 2025-10-24 | RA CAPITAL MANAGEMENT, L.P. | Sell | 53K | $28.01 |
| 2025-10-23 | RA CAPITAL MANAGEMENT, L.P. | Sell | 77K | $28.01 |
| 2025-10-21 | Reprogrammed Interchange LLC | Sell | 200 | $30.07 |
| 2025-10-21 | RA CAPITAL MANAGEMENT, L.P. | Sell | 25K | $28.11 |
| 2025-10-20 | RA CAPITAL MANAGEMENT, L.P. | Sell | 1.3K | $30.12 |
| 2025-10-20 | RA CAPITAL MANAGEMENT, L.P. | Sell | 70K | $29.63 |
| 2025-10-20 | RA CAPITAL MANAGEMENT, L.P. | Sell | 14K | $29.63 |
| 2025-10-20 | RA CAPITAL MANAGEMENT, L.P. | Sell | 6.6K | $30.12 |
| 2025-10-20 | Reprogrammed Interchange LLC | Sell | 12K | $30.05 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 34K | $29.12 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 175K | $29.12 |
| 2025-10-17 | Reprogrammed Interchange LLC | Sell | 1.0K | $31.00 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 2.5K | $31.00 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 13K | $31.00 |
| 2025-10-17 | Reprogrammed Interchange LLC | Sell | 25K | $30.22 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 6.0K | $30.28 |
| 2025-10-17 | RA CAPITAL MANAGEMENT, L.P. | Sell | 31K | $30.28 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 22K | $29.32 |
| 2025-10-16 | Reprogrammed Interchange LLC | Sell | 2.0K | $30.45 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 111K | $29.32 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 16K | $30.36 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 3.1K | $30.36 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 20 | $31.35 |
| 2025-10-16 | RA CAPITAL MANAGEMENT, L.P. | Sell | 4 | $31.35 |
| 2025-10-15 | Reprogrammed Interchange LLC | Sell | 15K | $31.05 |
| 2025-10-15 | RA CAPITAL MANAGEMENT, L.P. | Sell | 46 | $31.17 |
| 2025-10-15 | RA CAPITAL MANAGEMENT, L.P. | Sell | 234 | $31.17 |
| 2025-10-15 | RA CAPITAL MANAGEMENT, L.P. | Sell | 8.4K | $30.55 |
| 2025-10-15 | Reprogrammed Interchange LLC | Sell | 49K | $32.05 |
| 2025-10-15 | RA CAPITAL MANAGEMENT, L.P. | Sell | 43K | $30.55 |
| 2025-10-15 | Reprogrammed Interchange LLC | Sell | 7.9K | $32.77 |
| 2025-10-14 | Reprogrammed Interchange LLC | Sell | 34K | $30.32 |
| 2025-10-13 | Reprogrammed Interchange LLC | Sell | 20K | $32.36 |
| 2025-10-13 | Reprogrammed Interchange LLC | Sell | 2.3K | $33.09 |
| 2025-10-10 | Reprogrammed Interchange LLC | Sell | 41K | $30.97 |
| 2025-10-09 | Reprogrammed Interchange LLC | Sell | 15K | $32.41 |
| 2025-10-09 | Reprogrammed Interchange LLC | Sell | 34K | $31.92 |
| 2025-10-08 | Reprogrammed Interchange LLC | Sell | 14K | $34.34 |
| 2025-10-08 | Reprogrammed Interchange LLC | Sell | 61K | $33.75 |
| 2025-10-07 | Reprogrammed Interchange LLC | Sell | 28K | $33.84 |
| 2025-10-06 | Reprogrammed Interchange LLC | Sell | 18K | $36.00 |
| 2025-10-06 | Reprogrammed Interchange LLC | Sell | 35K | $37.12 |
| 2025-10-06 | Reprogrammed Interchange LLC | Sell | 18K | $37.77 |
| 2025-10-03 | Reprogrammed Interchange LLC | Sell | 4.7K | $38.14 |
| 2025-10-03 | Reprogrammed Interchange LLC | Sell | 3.2K | $37.37 |
| 2025-10-02 | Reprogrammed Interchange LLC | Sell | 7.7K | $39.57 |
| 2025-10-02 | Reprogrammed Interchange LLC | Sell | 4.9K | $37.21 |
| 2025-10-02 | Reprogrammed Interchange LLC | Sell | 1.5K | $38.38 |
| 2025-10-02 | Reprogrammed Interchange LLC | Sell | 13K | $40.13 |
| 2025-10-02 | Reprogrammed Interchange LLC | Sell | 5.3K | $42.32 |
| 2025-10-01 | Reprogrammed Interchange LLC | Sell | 1.4K | $39.19 |
| 2025-09-16 | Reprogrammed Interchange LLC | Sell | 447K | $1.54 |
| 2025-09-15 | Reprogrammed Interchange LLC | Sell | 400K | $1.64 |
| 2025-09-12 | Reprogrammed Interchange LLC | Sell | 300K | $1.75 |
| 2025-09-11 | Reprogrammed Interchange LLC | Sell | 285K | $1.83 |
| 2025-09-10 | Reprogrammed Interchange LLC | Sell | 350K | $1.82 |
| 2025-09-09 | Reprogrammed Interchange LLC | Sell | 449K | $2.00 |
| 2025-09-08 | Reprogrammed Interchange LLC | Sell | 464K | $1.99 |
| 2025-09-05 | Reprogrammed Interchange LLC | Sell | 400K | $1.97 |
| 2025-09-04 | Reprogrammed Interchange LLC | Sell | 453K | $1.93 |
| 2025-09-03 | Reprogrammed Interchange LLC | Sell | 555K | $2.00 |
| 2025-08-28 | Reprogrammed Interchange LLC | Sell | 806K | $2.01 |
| 2025-08-27 | Reprogrammed Interchange LLC | Sell | 612K | $2.01 |
| 2025-08-26 | Reprogrammed Interchange LLC | Sell | 284K | $2.08 |
| 2025-08-25 | Reprogrammed Interchange LLC | Sell | 387K | $2.12 |
| 2025-07-17 | Zuraw Qing Che | Grant | 937K | — |
| 2025-07-09 | Mahatme Sandesh | Grant | 13.9M | — |
| 2025-05-06 | ANG ROBERT | Tax withheld | 2.4K | $0.56 |
| 2025-05-06 | Chakraborty Tirtha | Tax withheld | 876 | $0.56 |
| 2025-05-01 | ANG ROBERT | Tax withheld | 2.5K | $0.66 |
| 2025-05-01 | Choi Han Wook | Tax withheld | 2.1K | $0.66 |
| 2025-05-01 | Chakraborty Tirtha | Tax withheld | 985 | $0.66 |
| 2025-05-01 | Chakraborty Tirtha | Tax withheld | 962 | $0.66 |
| 2025-05-01 | ANG ROBERT | Tax withheld | 2.8K | $0.66 |
| 2025-02-13 | Attar Eyal C. | Sell | 2.2K | $1.42 |
| 2025-02-10 | Attar Eyal C. | Sell | 2.6K | $1.37 |
| 2025-02-06 | Chakraborty Tirtha | Tax withheld | 1.0K | $1.50 |
| 2025-02-06 | ANG ROBERT | Tax withheld | 2.8K | $1.50 |
| 2025-02-06 | Attar Eyal C. | Tax withheld | 1.2K | $1.50 |
| 2025-02-03 | ANG ROBERT | Tax withheld | 3.2K | $1.34 |
| 2025-02-03 | ANG ROBERT | Grant | 138K | — |
| 2025-02-03 | Chakraborty Tirtha | Tax withheld | 1.2K | $1.34 |
| 2025-02-03 | Chakraborty Tirtha | Grant | 52K | — |
| 2025-02-03 | Attar Eyal C. | Tax withheld | 1.4K | $1.34 |
| 2025-02-03 | Attar Eyal C. | Grant | 52K | — |
| 2025-02-03 | Choi Han Wook | Grant | 52K | — |
| 2024-12-30 | Reprogrammed Interchange LLC | Buy | 39.0M | — |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-12 | Shareholder voteExhibits | filing ↗ |
| 2026-06-08 | Reg FDExhibits | filing ↗ |
| 2026-03-27 | Material agreement3.02Reg FDExhibits | filing ↗ |
| 2026-01-12 | ResultsReg FDExhibits | filing ↗ |
| 2026-01-02 | Exec/director change | filing ↗ |
| 2025-12-18 | Material agreement3.02Exec/director changeReg FDExhibits | filing ↗ |
| 2025-12-09 | Exec/director change | filing ↗ |
| 2025-11-12 | OtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-12 | 2026-06-11 | 0001193125-26-269431 ↗ |
| 8-K | 2026-06-08 | 2026-06-08 | 0001193125-26-261661 ↗ |
| 10-Q | 2026-05-13 | 2026-03-31 | 0001193125-26-220689 ↗ |
| 10-K | 2026-03-30 | 2025-12-31 | 0001193125-26-130451 ↗ |
| 8-K | 2026-03-27 | 2026-03-26 | 0001193125-26-127609 ↗ |
| 8-K | 2026-01-12 | 2026-01-12 | 0001193125-26-009961 ↗ |
| 8-K | 2026-01-02 | 2025-12-31 | 0001193125-26-000905 ↗ |
| 8-K | 2025-12-18 | 2025-12-15 | 0001193125-25-324768 ↗ |
| 8-K | 2025-12-09 | 2025-12-05 | 0001193125-25-311957 ↗ |
| 10-Q | 2025-11-13 | 2025-09-30 | 0001193125-25-280104 ↗ |
| 8-K | 2025-11-12 | 2025-11-10 | 0001193125-25-275862 ↗ |
| 8-K | 2025-11-03 | 2025-11-02 | 0001193125-25-261723 ↗ |