Eos Energy Enterprises, Inc. (EOSE) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: May 13, 2026

Risk Assessment Details

Potential Dilution: 183.12% of current shares
Recent Dilution: 59.44% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
340M
Potential Supply
620M
Additional shares possible
Splits
None
Past 2 years

Summary

EOSE currently has 340M outstanding shares. with significant dilution risk as 622M authorized shares could dilute existing holders by 183.1%. The company has significantly diluted shareholders by 59.44% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 13, 2026

10-Q filing | 339.6M shares outstanding

340M 620M
Nov 24, 2025

8-K filing: Eos Energy Enterprises, Inc. issued $600,000,000 aggregate principal amount of 1.75% Convertible Senior Notes due 2031, sold 35,855,647 shares of common stock in a registered direct offering at $12.78 per share, issued a warrant to the DOE to purchase up to 570,000 shares of common stock, and repurchased $200.0 million aggregate principal amount of the Company's Existing 2030 Convertible Notes for approximately $564.6 million. ($458.19M proceeds)

270M 620M
Nov 18, 2025

8-K filing: Eos Energy Enterprises, Inc. entered into a warrant agreement with the DOE to issue a warrant to purchase up to 570,000 shares of common stock at an exercise price of $0.01 per share.

270M 620M
Nov 05, 2025

10-Q filing | 271.6M shares outstanding

270M 620M
Jun 03, 2025

8-K filing: Eos Energy Enterprises, Inc. issued $225,000,000 aggregate principal amount of its 6.75% Convertible Senior Notes due 2030 and granted the initial purchasers an option to purchase up to an additional $25,000,000 principal amount of Notes, with a maximum of 55,370,975 shares of the Company's common stock may be issued upon conversion of the Notes.

230M 620M
May 07, 2025

S-3 filing: This S-3 filing relates to the offer and sale of 158,433,112 shares of common stock by the selling securityholder, underlying the Series B Preferred Stock and issuable upon exercise of the Warrant issued in connection with the Purchase Agreement.

230M 620M
May 06, 2025

10-Q filing | 225.5M shares outstanding

230M 460M
Mar 04, 2025

10-K filing | 212.0M shares outstanding

210M 460M
Jan 27, 2025

8-K filing: The Company filed the Certificate of Designation of Series B-4 Non-Voting Convertible Preferred Stock, where each share has an original issue price of $5,990,000 and is initially convertible into 1.0 million shares of Common Stock. ($5.99M proceeds)

220M 460M
Nov 05, 2024

10-Q filing | 216.9M shares outstanding

220M 460M
Nov 04, 2024

8-K filing: The Company filed a Certificate of Designation for Series B-3 Non-Voting Convertible Preferred Stock, where each share has an original issue price of $3,358,000 and is initially convertible into 1.0 million shares of Common Stock.

210M 460M
Sep 12, 2024

8-K filing: Eos Energy Enterprises, Inc. filed the Certificate of Designation of Series B-1 Non-Voting Convertible Preferred Stock and the Certificate of Designation of Series B-2 Non-Voting Convertible Preferred Stock, and 59 shares of Series A-1 Preferred Stock converted into 31.940063 shares of Series B-1 Preferred Stock convertible into 31,940,063 shares of Common Stock, and 7 shares of Series A-2 Preferred Stock converted into 28.806463 shares of Series B-2 Preferred Stock convertible into 28,806,463 shares of Common Stock.

210M 460M
Aug 30, 2024

8-K filing: The company filed the Series A-2 Certificate of Designation, outlining terms for Series A-2 Preferred Stock, including original issue price, liquidation value, dividend rights, director appointment rights, redemption provisions, and protective provisions. The company also announced the satisfaction of all four applicable performance milestones comprising the First Milestone ahead of the First Milestone Measurement Date, pursuant to the terms of the Credit Agreement and the U.S. Department of Energy extended the expiration date of the conditional commitment letter for a loan of up to $398,600,000 to December 31, 2024. ($9.56M proceeds)

210M 460M
Aug 06, 2024

10-Q filing | 211.1M shares outstanding

210M 460M
Jun 24, 2024

8-K filing: Eos Energy Enterprises, Inc. entered into a credit agreement for $210.5 million and a securities purchase agreement to issue 59 shares of Series A-1 Preferred Stock and a warrant to purchase 43,276,194 shares of common stock.

200M 460M
May 14, 2024

10-Q filing | 201.3M shares outstanding

200M 460M
Mar 04, 2024

10-K filing | 202.6M shares outstanding

200M 460M
Dec 15, 2023

8-K filing: Eos Energy Enterprises, Inc. entered into an underwriting agreement for a public offering of 34,482,759 common shares and 34,482,759 warrants at a combined price of $1.45 per share and warrant, with expected net proceeds of approximately $47.5 million. ($47.5M proceeds)

160M 460M
Dec 01, 2023

S-3 filing: Eos Energy Enterprises, Inc. is filing an S-3 to offer common stock, preferred stock, senior debt securities, warrants or units, with a total aggregate initial offering price not to exceed $300,000,000; also relates to the offer and resale of $130,350,642 principal amount of 5%/6% Convertible Senior PIK Toggle Notes due 2026 and a maximum of 6,516,359 shares of common stock underlying the notes and issuable upon conversion of the notes, which may be sold by Wood River from time to time.

160M 460M
Nov 06, 2023

10-Q filing | 156.3M shares outstanding

160M 180M
Aug 14, 2023

10-Q filing | 134.0M shares outstanding

130M 180M
Jun 20, 2023

S-3 filing: This is an S-3 filing registering for sale common stock purchase warrants.

120M 180M
May 17, 2023

8-K filing: Eos Energy Enterprises, Inc. completed a registered direct offering and private placement on May 17, 2023, issuing 3,601,980 shares of common stock at $2.221 per share and warrants to purchase up to 3,601,980 shares, resulting in gross proceeds of approximately $8.0 million. ($8.0M proceeds)

120M 180M
May 09, 2023

10-Q filing | 115.8M shares outstanding

120M 180M
Apr 14, 2023

8-K filing: Eos Energy Enterprises, Inc. closed a registered direct offering and concurrent private placement on April 14, 2023, issuing 16,000,000 shares of common stock at $2.50 per share and unregistered warrants to purchase up to 16,000,000 shares of common stock, resulting in gross proceeds of $40.0 million. ($40.0M proceeds)

85M 180M
Feb 28, 2023

10-K filing | 84.9M shares outstanding

85M 180M
Nov 07, 2022

10-Q filing | 74.1M shares outstanding

74M 180M
Aug 01, 2022

10-Q filing | 56.0M shares outstanding

56M 180M
May 09, 2022

10-Q filing | 54.0M shares outstanding

54M 180M
Apr 28, 2022

8-K filing: Eos Energy Enterprises, Inc. entered into a Standby Equity Purchase Agreement with YA II PN, Ltd., where the Company can sell up to $200,000,000 of its common stock to Yorkville. In connection with the execution of the SEPA, the Company agreed to issue an aggregate of 465,117 shares of the Company's common stock to Yorkville as consideration for its irrevocable commitment to purchase the Common Shares.

53M 180M
Apr 07, 2022

S-3/A filing: Eos Energy Enterprises, Inc. may from time to time offer and sell common stock, preferred stock or senior debt securities.

53M 180M
Mar 04, 2022

S-3 filing: Eos Energy Enterprises, Inc. may from time to time offer and sell common stock, preferred stock or senior debt securities and registering (A) the offer and sale from time to time by us of our common stock, preferred stock and senior debt securities in one or more offerings of up to $300,000,000 in aggregate offering price, (B) 7,001,751 shares of common stock issuable by us upon exercise of outstanding public warrants and (C) the resale from time to time by certain selling securityholders of up to 39,145,143 shares of common stock, up to 325,000 warrants to purchase shares of common stock and $ 130,350,642 principal amount of notes.

53M 300M
Feb 25, 2022

10-K filing | 52.7M shares outstanding

53M 140M
Nov 10, 2021

10-Q filing | 53.6M shares outstanding

54M 140M
Aug 12, 2021

10-Q filing | 51.8M shares outstanding

52M 140M
May 13, 2021

10-Q filing | 51.1M shares outstanding

51M 140M
Mar 08, 2021

S-1 filing: The filing registers the resale of shares of common stock and warrants by selling securityholders, as well as shares issuable upon exercise of public and private placement warrants.

52M 140M
Feb 26, 2021

10-K filing | 51.8M shares outstanding

52M 80M
Jan 13, 2021

S-1/A filing: Registration of resale by selling security holders of common stock and warrants.

50M 80M
Dec 10, 2020

S-1 filing: This is an S-1 filing for Eos Energy Enterprises, Inc. registering the resale of common stock and warrants by selling securityholders, as well as common stock issuable upon exercise of warrants.

50M 80M
Nov 13, 2020

S-1/A filing: This S-1/A filing registers shares of Class A common stock for resale by selling stockholders in connection with a business combination. Up to 4,000,000 shares may be issued, with each share reclassified as common stock upon closing. The filing also includes information on common stock outstanding after the offering and business combination, assuming no or maximum redemptions.

57M 36M
Nov 12, 2020

10-Q filing | 1.3M shares outstanding

1.3M 36M
Oct 28, 2020

S-1 filing: Registration of Class A common stock for resale by selling stockholders in connection with a business combination. Each share of Class A common stock will be reclassified as a share of common stock upon closing.

57M 36M
Sep 08, 2020

8-K filing: B. Riley Principal Merger Corp. II entered into a Merger Agreement with Eos Energy Storage LLC, which includes the issuance of up to 30,000,000 shares of common stock to Eos's securityholders at $10.00 per share and an additional 2,000,000 shares upon achievement of certain earnout targets; B. Riley Financial committed to purchase up to 4,000,000 shares of common stock at $10.00 per share. ($340.0M proceeds)

18M 32M
Aug 12, 2020

10-Q filing | 18.2M shares outstanding

18M 32M
Jun 26, 2020

10-Q filing | 18.2M shares outstanding

18M 32M
May 28, 2020

8-K filing: B. Riley Principal Merger Corp. II consummated its initial public offering of 17,500,000 units at $10.00 per Unit, generating gross proceeds of $175,000,000, and completed a private sale of 650,000 units to B. Riley Principal Sponsor Co. II, LLC at $10.00 per Private Placement Unit, generating gross proceeds of $6,500,000. ($181.5M proceeds)

5.8M 32M
May 22, 2020

8-K filing: B. Riley Principal Merger Corp. II consummated its IPO of 17,500,000 units at $10.00 per unit, generating gross proceeds of $175,000,000, and also completed the private sale of 650,000 units to the Sponsor at $10.00 per unit, generating gross proceeds of $6,500,000. ($181.5M proceeds)

5.8M 32M
May 18, 2020

S-1/A filing: Initial public offering of units of B. Riley Principal Merger Corp. II for $10.00 per unit, consisting of one share of Class A common stock and one-half of one redeemable warrant.

5.8M 32M
May 15, 2020

S-1/A filing: This S-1/A filing relates to an initial public offering of units of B. Riley Principal Merger Corp. II, with each unit consisting of one share of Class A common stock and one-half of one redeemable warrant.

5.8M 32M
May 13, 2020

S-1/A filing: This is an S-1/A filing for an initial public offering of units of B. Riley Principal Merger Corp. II, each unit consisting of one share of Class A common stock and one-half of one redeemable warrant.

5.8M 23M
Apr 28, 2020

S-1/A filing: The company is offering 20,000,000 units at $10.00 per unit, each unit consisting of one share of Class A common stock and one-half of one redeemable warrant. Each whole warrant entitles its holder to purchase one share of Common Stock for $11.50 per share.

5.8M 30M
Apr 23, 2020

S-1 filing: Initial public offering of units of B. Riley Principal Merger Corp. II, each unit consisting of one share of Class A common stock and one-half of one redeemable warrant, at a price of $10.00 per unit.

5.8M 32M
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