NASDAQ: EOSE

Eos Energy Enterprises, Inc.

CIK 0001805077 · SIC 3690 · Miscellaneous Electrical Equipment

Small Revenue $114M Assets $907M as of Nov 1, 2026

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8-K Filed Nov 5, 2026 · Period ending Nov 4, 2026

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10-Q Filed Nov 5, 2026 · Period ending Sep 30, 2026

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8-K Filed Oct 19, 2026 · Period ending Oct 19, 2026

Eos Energy pre-announces Q3 revenue of $82-83M, gross margin loss narrows, cash at $344M

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8-K Filed Sep 14, 2026 · Period ending Sep 10, 2026

Eos Energy draws $87M third advance under DOE-guaranteed loan to fund Thorn Hill line 2

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8-K Filed Aug 25, 2026 · Period ending Aug 24, 2026

Eos Energy appoints Michelle Buczkowski as Chief Commercial Officer; Nathan Kroeker to depart

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8-K Filed Aug 6, 2026 · Period ending Aug 3, 2026

Eos closes $262.6M joint venture with Cerberus and Hudson Bay, issues 30M warrants at $5.481

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10-Q Filed Aug 5, 2026 · Period ending Jun 30, 2026 Red flag

Revenue rose 351.4% to $68.8M in the second quarter, but the company's net loss attributable to shareholders widened to $275.7M from $222.9M a year earlier, including a loss on contingently issuable securities.

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8-K Filed Aug 5, 2026 · Period ending Aug 5, 2026

Eos Energy reports $68.8M Q2 revenue, narrows 2026 guidance to $300M–$350M

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8-K Filed Jul 23, 2026 · Period ending Jul 21, 2026

Eos Energy expects to receive $37.7M in proceeds in rights offering, 25% subscription rate

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8-K Filed Jul 15, 2026 · Period ending Jul 15, 2026

Eos Energy reports record Q2 revenue of $68-69M, backlog grows 25% to $807M

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8-K Filed Jul 9, 2026 · Period ending Jul 8, 2026

Eos Energy appoints cybersecurity expert Haiyan Song to Board, names Marie Martin CLO

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8-K Filed Jul 2, 2026 · Period ending Jul 2, 2026

Eos Energy launches $150M rights offering at $5.48/unit to fund Frontier Power investment

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8-K Filed Jul 1, 2026 · Period ending Jun 30, 2026

Eos Energy raises $75M in registered direct offering, issues 13.7M shares to Hudson Bay

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8-K Filed Jun 30, 2026 · Period ending Jun 30, 2026

Eos Energy forms $300M+ joint venture with Cerberus and Hudson Bay, plans $150M rights offering

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424B5 Filed Jun 30, 2026 Red flag

Eos Energy Enterprises prices $75M offering at $5.48/share with warrants; proceeds to acquire Frontier units

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424B5 Filed Jun 30, 2026 Red flag

Eos Energy prices $5.59/share offering with warrants; proceeds to acquire Frontier units at $1.00

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8-K Filed Jun 5, 2026 · Period ending Jun 3, 2026 Red flag

Eos Energy shareholders approve 200M share increase to fund Frontier Power USA joint venture

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8-K Filed May 13, 2026 · Period ending May 12, 2026

Eos Energy forms $100M joint venture with Cerberus, plans $150M rights offering to shareholders

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10-Q Filed May 13, 2026 · Period ending Mar 31, 2026 Standing risk

EOSE Q1 revenue surges 445% to $57.0M; net income swings positive on non-operating gain

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8-K Filed Apr 30, 2026 · Period ending Apr 29, 2026

Eos Energy appoints Alessandro Lagi as CFO with $2M equity grant, $470K salary

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8-K Filed Apr 9, 2026 · Period ending Apr 9, 2026

Eos Energy releases preliminary Q1 2026 results and business updates

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8-K Filed Mar 31, 2026 · Period ending Mar 30, 2026

Eos Energy formalizes employment agreement with Chief Administration Officer

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10-Q Filed Jul 30, 2025 · Period ending Jun 30, 2025

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10-Q Filed May 6, 2025 · Period ending Mar 31, 2025

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Latest financial statements

From 10-Q filed Nov 5, 2026 (period ending Sep 30, 2026). As printed on the EDGAR/iXBRL face — not generated by the model.

As filed

Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)

(In thousands, except share and per share amounts)

Description Three months ended September 30, 2026 Three months ended September 30, 2025 Nine months ended September 30, 2026 Nine months ended September 30, 2025
Revenue 14,284 30,512 84,988 56,205
Revenue related party 68,447 — 123,481 —
Total revenue 82,731 30,512 208,469 56,205
Cost of goods sold 126,934 64,437 345,900 145,622
Gross profit (loss) (44,203) (33,925) (137,431) (89,417)
Operating expenses
Research and development expenses 10,910 6,925 32,134 20,963
Selling, general and administrative expenses 23,819 19,786 72,414 66,269
Loss from write-down of property, plant and equipment 108 585 184 1,351
Restructuring expenses 281 — 281 —
Total operating expenses 35,118 27,296 105,013 88,583
Operating income (loss) (79,321) (61,221) (242,444) (178,000)
Other income (expense)
Interest expense (12,989) (6,007) (37,203) (9,965)
Interest income (expense) related parties — 840 — (9,451)
Interest income 2,930 1,161 9,371 2,826
Change in fair value of debt related party (4,534) (3,570) (13,300) 22,112
Change in fair value of warrants 77,746 (240,825) 223,886 (252,836)
Change in fair value of derivatives 13,222 — 108,710 —
Change in fair value of derivatives related parties 129,551 (327,841) 346,235 (369,710)
Loss on debt extinguishment — (3,589) — (52,652)
Loss on contingently issuable securities — — (35,662) —
Other expense (100) (337) 103 (1,503)
Income (loss) before income taxes 126,505 (641,389) 359,696 (849,179)
Income tax expense 1,462 4 1,480 15
Net income (loss) attributable to shareholders 125,043 (641,393) 358,216 (849,194)
Remeasurement of Preferred Stock related party 249,476 (691,094) 897,796 (632,483)
Down round deemed dividend (13,802) — (13,802) (4,456)
Net income (loss) applicable to common stock 360,717 (1,332,487) 1,242,210 (1,486,133)
Other comprehensive income (loss)
Change in fair value of debt credit risk - related party 58,607 (17,784) 54,517 (24,008)
Foreign currency translation adjustment (1) (3) (14) 18
Comprehensive income (loss) attributable to common shareholders 419,323 (1,350,274) 1,296,713 (1,510,123)
Net income (loss) available to common shareholders (NOTE 20) 232,570 (1,332,487) 798,919 (1,486,133)
Basic and diluted income (loss) per share attributable to common shareholders
Basic 0.64 (4.88) 2.30 (6.04)
Diluted (0.17) (4.88) (0.44) (6.04)
Weighted average shares of common stock
Basic 361,795,384 272,839,188 347,292,217 246,192,674
Diluted 553,269,340 272,839,188 541,260,031 246,192,674

Condensed Consolidated Balance Sheets (Unaudited)

(In thousands, except share and per share amounts)

Description September 30, 2026 December 31, 2025
ASSETS
Current assets:
Cash and cash equivalents 271,162 567,992
Restricted cash 57,923 34,636
Accounts receivable, net 8,673 6,779
Accounts receivable related party 109 —
Inventory 86,404 59,026
Vendor deposits 20,797 11,756
Contract assets, current 18,156 13,972
Contract assets, current related party 4,405 —
Prepaid expenses 4,128 2,701
Grant receivable, net 39,308 11,028
Other current assets 2,976 590
Total current assets 514,041 708,480
Property, plant and equipment, net 190,515 114,415
Intangible assets, net 1,657 979
Goodwill 4,331 4,331
Operating lease right-of-use asset, net 27,347 20,420
Long-term restricted cash 15,000 21,938
Investment in joint venture 297,642 —
Other assets, net 17,952 14,634
Total assets 1,068,485 885,197
LIABILITIES
Current liabilities:
Accounts payable 90,478 99,915
Accrued expenses 45,215 25,794
Operating lease liability, current 2,065 1,960
Long-term debt, current — 372
Contract liabilities, current 7,521 14,975
Contract liabilities, current related party 9,756 —
Other current liabilities 153 524
Total current liabilities 155,188 143,540
Long-term liabilities:
Operating lease liability 28,804 19,182
Long-term debt 546,547 662,467
Notes payable related party 109,210 150,427
Contract liabilities, long-term 3,723 2,506
Warrants liability 57,616 313,253
Warrants liability related party 135,750 470,715
Deferred tax liability 4,671 —
Other liabilities 542 427
Other liabilities related party 22,700 —
Total long-term liabilities 909,563 1,618,977
Total liabilities 1,064,751 1,762,517
COMMITMENTS AND CONTINGENCIES (NOTE 15)
SERIES B PREFERRED STOCK related party 463,746 1,361,542
SHAREHOLDERS' DEFICIT
Common stock, $0.0001 par value, 800,000,000 shares authorized, 365,758,222 and 337,132,374 shares outstanding on September 30, 2026 and December 31, 2025, respectively 34 32
Additional paid in capital 1,809,917 427,722
Accumulated deficit (2,193,669) (2,535,819)
Accumulated other comprehensive loss related party (76,290) (130,807)
Accumulated other comprehensive (loss) income (4) 10
Total shareholders' deficit (460,012) (2,238,862)
Total liabilities, preferred stock and shareholders' deficit 1,068,485 885,197

Condensed Consolidated Statements of Cash Flows (Unaudited)

(In thousands, except share and per share amounts)

Description Nine months ended September 30, 2026 Nine months ended September 30, 2025
Cash flows from operating activities
Net income (loss) 358,216 (849,194)
Adjustment to reconcile net income to net cash used in operating activities
Stock-based compensation 19,027 19,664
Depreciation and amortization 18,989 8,980
Loss on debt extinguishment — 52,652
Loss from write-down of property, plant and equipment 184 1,351
Amortization of right-of-use assets 2,189 1,270
Non-cash interest expense 26,712 4,263
Non-cash interest expense related parties — 9,204
Change in fair value of debt related party 13,300 (22,112)
Change in fair value of warrants (223,886) 252,836
Change in fair value of derivatives (108,710) —
Change in fair value of derivatives related parties (346,235) 369,710
Loss on contingently issuable securities 35,662 —
Other (8,738) (6,133)
Changes in operating assets and liabilities:
Prepaid expenses (1,427) (1,440)
Inventory (21,809) (6,704)
Accounts receivable (1,954) (1,991)
Accounts receivable related parties (109) —
Vendor deposits (5,069) (4,958)
Contract assets (9,455) (945)
Contract assets related parties (4,405) —
Grant receivable (28,280) (9,965)
Accounts payable 3,688 22,166
Accrued expenses 16,721 9,132
Interest payable related parties — 247
Operating lease liabilities 611 (1,587)
Contract liabilities (6,237) (7,166)
Contract liabilities related parties 9,756 —
Deferred tax liabilities 4,671 —
Other (5,003) (206)
Net cash used in operating activities (261,591) (160,926)
Cash flows from investing activities
Purchases of property, plant and equipment (105,717) (28,804)
Investment in equity method investment (112,638) —
Investment in internally developed software (232) (912)
Other investments (368) —
Net cash used in investing activities (218,955) (29,716)
Cash flows from financing activities
Principal payments on finance lease obligations (69) (39)
Proceeds from exercise of stock options 74 758
Proceeds from exercise of warrants 3,280 14,215
Proceeds received from DOE Loan 87,019 22,666
Proceeds from the issuance of May 2025 Convertible Notes, net of discount — 240,000
Proceeds received from Credit and Securities Purchase Transaction, net related party — 38,475
Payment of debt and equity issuance costs (854) (4,607)
Payoff of notes payable related parties — (180,940)
Payment of debt extinguishment costs — (781)
Return of debt repurchase premium — 5,000
Repayment of equipment financing facility (122) (1,255)
Proceeds from issuance of common stock 112,738 81,075
Repurchase of shares from employees for income tax withholding purposes (2,001) (488)
Net cash provided by financing activities 200,065 214,079
Effect of exchange rate changes on cash, cash equivalents and restricted cash — —
Net (decrease) increase in cash, cash equivalents and restricted cash (280,481) 23,437
Cash, cash equivalents and restricted cash, beginning of the period 624,566 103,362
Cash, cash equivalents and restricted cash, end of the period 344,085 126,799
Non-cash investing and financing activities
Accrued and unpaid capital expenditures 11,291 12,441
Accrued and unpaid investment in internally developed software 718 —
Warrants issued for formation of joint venture 151,034 —
HBC Exchange Right/CCM Call Option for formation of joint venture 33,970 —
Paid-in-kind interest added to principal 3,416 5,433
Accrued and unpaid debt issuance costs 388 1,910
Down round deemed dividend 13,802 4,456
Remeasurement of preferred stock related party (897,796) 632,483
Fixed assets acquired with finance lease 24 181
Right-of-use operating lease assets in exchange for lease liabilities 9,116 672
Reclassification of Contingently Issuable securities to equity 21,496 —
Reclassification of embedded derivative to additional paid in capital 133,231 —
Issuance of Rights 2,264 —
Issuance of common stock from conversion of AFG Notes — 102,457
Supplemental disclosures
Cash paid for interest 7,147 166

Amounts as printed on the EDGAR/iXBRL face — (In thousands, except share and per share amounts). Labels, columns, and figures are the filing face, not a GAAP stencil. Interactive statements & notes on EDGAR ↗