Verastem, Inc.
VSTM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001526119
In the last 90 days, Verastem, Inc. insiders filed 0 open-market purchases and 4 sales; 156 institutions reported holding it in 13F filings for Q2 2026, worth $363.5M in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 9, 2026
- $1.10B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $386.4K in total
- 4
- 13F holdersQ2 2026, +3 vs. previous quarter
- 156
- 13F valueReported value at the end of Q2 2026
- $363.5M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $30.9M
- +209.1% year over year
- Net income, FY2025
- -$209.5M
- No comparable prior period
- Free cash flow, FY2025
- –
- No comparable prior period
- Revenue, Q3 FY2026
- $24.0M
- +113.6% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $209.5M (677.6% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 17.2M
- Shares sold short
- Change
- +2.24M
- +15.0% vs. previous
- Days to cover
- 2.49
- At average daily volume
Superinvestors holding VSTM, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding VSTM at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Verastem, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 5, 2026 (view filing)7:53 PM ET | Nov 3 | 2 days | Paterson DanPresident and CEO | SSale | −1.30K | $9.60 | −$12.5K | −0.2%651.4K after | 10b5-1 |
| Oct 2, 2026 (view filing)5:15 PM ET | Oct 1 | 1 day | Paterson DanPresident and CEO | SSale | −44.1K | $8.00 | −$353.0K | −6.3%652.7K after | 10b5-1 |
| Oct 2, 2026 (view filing)5:15 PM ET | Oct 1 | 1 day | Calkins DanielChief Financial Officer | SSale | −2.57K | $8.00 | −$20.5K | −2.0%123.8K after | 10b5-1 |
| Sep 23, 2026 (view filing)8:10 PM ET | Sep 21 | 2 days | Calkins DanielChief Financial Officer | SSale | −55 | $7.70 | −$423.5 | 0.0%118.0K after | 10b5-1 |
| Aug 5, 2026 (view filing)4:37 PM ET | Aug 3 | 2 days | Paterson DanPresident and CEO | SSale | −1.30K | $5.81 | −$7.56K | −0.2%589.9K after | 10b5-1 |
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Paterson DanPresident and CEO | SSale | −20.9K | $4.18 | −$87.2K | −3.4%591.2K after | 10b5-1 |
| Jun 24, 2026 (view filing) | Jun 22 | 2 days | Calkins DanielChief Financial Officer | SSale | −4.09K | $4.18 | −$17.1K | −3.4%117.2K after | 2 lots10b5-1 |
| May 6, 2026 (view filing) | May 4 | 2 days | Paterson DanPresident and CEO | SSale | −806 | $5.82 | −$4.69K | −0.1%612.1K after | 10b5-1 |
| Feb 5, 2026 (view filing) | Feb 4 | 1 day | Paterson DanPresident and CEO | SSale | −970 | $6.69 | −$6.49K | −0.2%612.9K after | 10b5-1 |
| Jan 14, 2026 (view filing) | Jan 12 | 2 days | Paterson DanPresident and CEO | SSale | −10.3K | $7.16 | −$73.9K | −2.5%400.1K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 156 holdersThe largest institutional positions in Verastem, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,192,447 | $35.1M | 0.00% | +2,997,522+48.4% | Added |
| Armistice Capital, LLC | 7,024,000 | $26.8M | 0.74% | +2,432,000+53.0% | Added |
| RTW Investments, LP | 6,635,793 | $25.3M | 0.22% | +59,487+0.9% | Added |
| Deep Track Capital, LP | 5,740,850 | $21.9M | 0.32% | 00.0% | Unchanged |
| State Street Corp | 5,133,859 | $19.6M | 0.00% | +1,617,208+46.0% | Added |
| Rosalind Advisors, Inc. | 3,986,509 | $15.2M | 5.72% | +1,848,034+86.4% | Added |
| Vanguard Capital Management LLC | 3,851,508 | $14.7M | 0.00% | +528,738+15.9% | Added |
| Nantahala Capital Management, LLC | 3,584,820 | $13.7M | 0.83% | 00.0% | Unchanged |
| Stonepine Capital Management, LLC | 3,349,627 | $12.8M | 9.74% | +47,327+1.4% | Added |
| Vanguard Portfolio Management LLC | 3,266,870 | $12.5M | 0.00% | +2,509,995+331.6% | Added |
Holders of 5% or more of VSTM
See all 6 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Verastem, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Deep Track Capital, LP | 13G | 9.99%7.72M shares | New | Nov 21, 20251 filing | Nov 21, 2025 | SEC |
| RTW Investments, LP | 13G/A | 9.90%9.02M shares | 0.00 ppfrom 9.90% | May 15, 20254 filings | May 15, 2026 | SEC |
| Armistice Capital, LLC | 13G/A | 7.76%7.02M shares | +2.53 ppfrom 5.23% | Feb 17, 20263 filings | Aug 14, 2026 | SEC |
| Soleus Capital Master Fund, L.P. | 13G/A | 7.30%3.35M shares | – | Jul 27, 20233 filings | Feb 11, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 7.00%6.19M shares | +1.00 ppfrom 6.00% | Oct 24, 20245 filings | Jul 30, 2026 | SEC |