Verastem, Inc. (VSTM) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: May 07, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 154.55% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
88M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

VSTM currently has 87.9M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 154.55% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 07, 2026

10-Q filing | 87.9M shares outstanding

88M 0
Nov 17, 2025

8-K filing: Verastem, Inc. completed a public offering involving the issuance and sale of 8,543,794 shares of common stock, pre-funded warrants to purchase up to 3,870,000 shares of common stock, and an additional 1,862,069 shares of common stock upon the exercise of the underwriter's option, at a price of $7.25 per share and $7.2499 per pre-funded warrant, resulting in net proceeds of approximately $96.9 million.

73M 0
Nov 04, 2025

10-Q filing | 73.2M shares outstanding

73M 0
Aug 12, 2025

S-3/A filing: The company is filing an S-3/A to register the offer and sale of common stock with an aggregate offering price of up to $100,000,000 through an "at-the-market" offering, along with shelf registration of common stock, preferred stock, warrants, and debt securities up to $300,000,000.

62M 0
Aug 07, 2025

10-Q filing | 66.1M shares outstanding

66M 0
May 13, 2025

10-Q filing | 54.2M shares outstanding

54M 0
May 13, 2025

S-3 filing: This is an S-3 filing to register the resale of common stock and common stock issuable upon the exercise of pre-funded warrants by selling stockholders.

45M 0
Apr 25, 2025

8-K filing: Verastem, Inc. entered into a Securities Purchase Agreement to sell 3,429,287 shares of common stock at $7.00 per share and pre-funded warrants to purchase 7,285,713 shares at $6.9999 per warrant in a private placement expected to close on April 28, 2025, with gross proceeds of approximately $75 million. ($75.0M proceeds)

45M 0
Mar 20, 2025

S-3 filing: This S-3 filing registers up to 1,416,939 shares of common stock for resale by selling stockholders.

40M 0
Mar 20, 2025

10-K filing | 44.8M shares outstanding

45M 0
Jan 13, 2025

8-K filing: Verastem, Inc. sold 1,416,939 shares of its common stock to Oberland Funds and affiliates at a price of $5.2931 per share on January 13, 2025.

40M 0
Nov 06, 2024

10-Q filing | 40.3M shares outstanding

40M 0
Aug 08, 2024

10-Q filing | 26.9M shares outstanding

27M 0
Jul 25, 2024

8-K filing: Verastem, Inc. announced an underwritten offering of 13,333,334 shares of common stock and accompanying warrants, as well as pre-funded warrants to purchase up to 5,000,000 shares of common stock and accompanying warrants, with expected net proceeds of approximately $51.1 million.

27M 0
May 09, 2024

10-Q filing | 26.8M shares outstanding

27M 0
Mar 14, 2024

10-K filing | 25.3M shares outstanding

25M 0
Nov 08, 2023

10-Q filing | 26.8M shares outstanding

27M 0
Nov 08, 2023

S-3 filing: The company intends to offer and sell, from time to time, any combination of common stock, preferred stock, warrants, and debt securities up to $300,000,000 in the aggregate.

25M 0
Aug 08, 2023

10-Q filing | 25.2M shares outstanding

25M 0
Jun 21, 2023

8-K filing: Verastem, Inc. completed an underwritten offering of 7,181,409 shares of common stock at $9.75 per share and pre-funded warrants to purchase 1,538,591 shares at $9.749 per warrant. The underwriters exercised their option to purchase an additional 1,308,000 shares.

17M 3.8M
May 31, 2023
Stock Split

8-K filing: Stock split 1-for-12 | Outstanding: 200,679,000 → 16,716,560

17M 3.8M
May 09, 2023

10-Q filing | 200.7M shares outstanding

200M 45M
Apr 18, 2023

S-3/A filing: This S-3/A filing relates to the resale or disposition of 1,200,000 shares of Series B convertible preferred stock and up to 50,838,840 shares of common stock upon conversion of the Series B preferred stock by selling stockholders.

190M 52M
Mar 23, 2023

S-3 filing: This is an S-3 filing for the resale or other disposition of up to 2,144,160 shares of Series B convertible preferred stock and up to 90,838,839 shares of common stock upon conversion of Series B Preferred Stock by selling stockholders.

190M 92M
Mar 14, 2023

10-K filing | 193.7M shares outstanding

190M 1.3M
Jan 25, 2023

8-K filing: Verastem, Inc. entered into a Securities Purchase Agreement to sell and issue up to 2,144,160 shares of Series B convertible preferred stock in a private placement in two tranches, with the first tranche closing on January 27, 2023, and the second tranche dependent on certain market conditions. ($60.0M proceeds)

200M 0
Nov 07, 2022

8-K filing: Verastem, Inc. exchanged 10,000,000 shares of common stock for 1,000,000 shares of newly designated Series A convertible preferred stock with Biotechnology Value Fund, L.P., Biotechnology Value Fund II, L.P., Biotechnology Value Trading Fund OS LP and MSI BVF SPV, LLC on November 4, 2022. Following the Exchange, the Company will have 200,090,850 shares of Common Stock outstanding and 1,000,000 shares of Preferred Stock outstanding, which are convertible into 10,000,000 shares of Common Stock.

200M 0
Nov 03, 2022

10-Q filing | 197.2M shares outstanding

200M 0
Aug 08, 2022

10-Q filing | 186.5M shares outstanding

190M 8.5M
May 09, 2022

10-Q filing | 186.3M shares outstanding

190M 8.7M
Mar 28, 2022

10-K filing | 174.4M shares outstanding

170M 21M
Nov 04, 2021

10-Q filing | 179.9M shares outstanding

180M 15M
Aug 02, 2021

10-Q filing | 172.1M shares outstanding

170M 23M
May 11, 2021

10-Q filing | 171.7M shares outstanding

170M 23M
Mar 18, 2021

10-K filing | 170.5M shares outstanding

170M 24M
Nov 09, 2020

10-Q filing | 80.1M shares outstanding

80M 110M
Aug 10, 2020

10-Q filing | 80.1M shares outstanding

80M 110M
May 07, 2020

10-Q filing | 162.5M shares outstanding

160M 32M
Apr 14, 2020

S-3/A filing: This S-3/A filing relates to the resale or other disposition from time to time of up to 46,511,628 shares of common stock by the selling stockholders.

150M 47M
Mar 23, 2020

S-3 filing: This S-3 filing relates to the resale of up to 46,511,628 shares of common stock by selling stockholders.

150M 47M
Mar 11, 2020

10-K filing | 148.4M shares outstanding

150M 0
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