Highest-materiality recent filing
Eos Energy CCO Nathan Kroeker to depart Oct 20; separation terms include $470K salary continuation
Separation agreement signed Sept 10; 12 months base salary continuation at $470,000 annual.
Eos gets $87M DOE loan advance; total drawn $178M for Thorn Hill expansion
Received $87.0M first advance under second tranche of DOE loan (total drawn ~$178M since 2024).
Eos Energy appoints Buczkowski as Chief Commercial Officer; Kroeker to depart after transition
Michelle Buczkowski appointed Chief Commercial Officer effective Aug 24, 2026; Nathan Kroeker departs Oct 20, 2026 after transition.
Eos Energy forms JV with Cerberus and HBC, receives $150M in contributions, issues warrants
Eos contributed $112.6M to JV Frontier Power USA Parent for 112.6M Class B units; Cerberus contributed $100M and HBC $50M.
Eos Energy Q2 revenue $68.8M (+351% YoY); tightens FY2026 guidance to $300-350M
Revenue $68.8M, up 351% YoY; net loss $275.7M driven by mark-to-market adjustments.
Eos Energy rights offering raises $37.7M; total $263M raised for Frontier Power USA
Subscriptions for 6,885,218 of 27,367,171 units at $5.481/unit; each unit = 1 share + 0.4388 warrant.
Eos Energy prelim Q2 rev $68-69M (record), backlog $807M (record), cash $364M
Revenue $68-69M, highest quarterly revenue; shipments more than tripled YoY.
Eos Energy appoints Haiyan Song to board, names Marie Martin as Chief Legal Officer
Haiyan Song appointed to Board of Directors effective July 9, 2026; brings cybersecurity, cloud, and software expertise.
Eos Energy Enterprises commences rights offering at $5.481/unit, expiring July 21, 2026
Rights offering of units at $5.481 per unit; each unit = 1 share + 0.4388 warrant.
EOS Energy issues 13.7M shares and 6.0M warrants at $5.481/unit, raising ~$75M
Issued 13,683,634 common shares and 6,004,378 warrants to Hudson Bay Master Fund Ltd. at $5.481 per unit.
Eos Energy forms JV with Cerberus and Hudson Bay; $150M rights offering, $100M+$50M investments
CCM Frontier (Cerberus) to contribute $100M for 100M Class A-2 Units and receive warrants for 20M shares at $5.481.
Eos Energy stockholders approve authorized share increase to 800M for Frontier Power USA
All five proposals approved at June 3, 2026 annual meeting; 77.6% of outstanding shares voted.
Eos forms $250M JV with Cerberus for LDES IPP; Q1 rev $57M, guides FY $300-400M
Cerberus commits $100M equity for 50%+ governance; Eos targets $150M via rights offering.
Eos Energy appoints Alessandro Lagi as CFO effective June 8, 2026
Lagi replaces Nathan Kroeker, who remains Chief Commercial Officer; Lagi most recently was Global FP&A VP at Johnson Controls.
Eos Energy reports preliminary Q1 revenue $56-57M; record shipments up 17% QoQ
Preliminary Q1 2026 revenue expected $56-57M; record quarterly shipments increased 17% QoQ.
EOS Energy enters employment agreement with CAO Buczkowski; base salary $385K
Base salary $385,000; target bonus 75% of base salary under short-term incentive plan.
Eos Energy appoints Nathaniel Fick to Board of Directors effective March 24, 2026
Fick, age 48, appointed as independent Class III director; will serve on Nominating and Corporate Governance Committee.
Eos Energy Q4 revenue $58M record, 8x YoY; initiates FY2026 guidance $300-400M
Q4 revenue $58.0M (record), up 90% QoQ, ~8x YoY; full year revenue $114.2M, >7x 2024.
Company and DOE signed Second Amendment on February 13, 2026, deferring revenue and EBITDA covenant testing until the fiscal quarter ending March 31, 2027.
Eos Energy board chair Stidolph resigns; Joseph Nigro appointed successor
Russell Stidolph resigns from Board effective Dec 31, 2025, to focus on AltEnergy Acquisition Corp.
Eos closes $600M convertible notes, $458M equity offering, and $565M debt repurchase
Issued $600M aggregate principal of 1.75% convertible senior notes due 2031 (including $75M option). Initial conversion price ~$16.29, ~27.5% premium to stock on Nov 19.
Fifth Amendment permits offering of common stock and/or convertible notes; up to $200M of net proceeds may repurchase 6.75% Convertible Senior Notes due 2030.
Revenue of $30.5M, up 100% QoQ and 35x YoY; gross loss $33.9M (92-point margin improvement).
Eos Energy secures 228 MWh order from Frontier Power, achieves Cerberus milestone
228 MWh order for Z3 systems, first conversion under April 2025 5 GWh framework agreement.
Eos Energy shareholders approve share issuance for note conversion at special meeting
Proposal 1 approved: 146.3M for, 1.4M against, 451K abstained; allows share issuance to Affiliated Purchaser upon note conversion.
Eos Energy Q2 record $15.2M revenue, reaffirms FY2025 $150-190M; $336M offerings closed
Record quarterly revenue $15.2M (+46% QoQ, +17x YoY); gross loss $31M, margin improved 32 pts sequentially.
Eos Energy raises CEO Mastrangelo's base salary 23% to $800k, effective Aug 1
CEO Joe Mastrangelo's annual base salary increased from $650,000 to $800,000, effective August 1, 2025.
Eos receives $22.7M DOE loan advance; fully draws first $90.9M tranche
Second advance of $22.7M from DOE Loan Programs Office, fully drawing the $90.9M first tranche.
Eos Energy issues $225M 6.75% convertible notes; repurchases $126M PIK notes
Issued $225M of 6.75% convertible senior notes due 2030; initial conversion price ~$5.10/share, ~27.5% premium over concurrent stock offering.
EOS Energy sells 21.6M shares at $4.00, nets ~$86M to repay debt and refinance Koch notes
Closed offering of 21,562,500 shares of common stock at $4.00 per share on June 2, 2025, raising ~$86.25M gross proceeds.
Second Amendment to Credit Agreement allows Specified Refinancing Transaction (common stock/convertible notes) by July 26, 2025; requires $50M of proceeds to prepay obligations.
Eos Energy terminates CFO Eric Javidi; appoints Nathan Kroeker as interim CFO
CFO Eric Javidi terminated without cause effective May 27, 2025; eligible for severance per offer letter.
Eos Energy stockholders elect all directors, approve incentive plan amendment at 2025 annual meeting
Class II directors Dimitrief, Mastrangelo, Nigro elected; Dimitrief had 23.8M votes against.
Eos Energy Q1 revenue $10.5M, highest ever; reaffirms FY2025 $150-190M guidance
Revenue $10.5M (+58% YoY, +44% QoQ); gross loss $24.5M with 93-point margin improvement.
Eos Energy appoints former Exelon CFO Joseph Nigro to board of directors
Joseph Nigro, former CFO of Exelon and CEO of Constellation Energy, appointed effective March 26, 2025.
Eos Energy names Eric Javidi CFO; Nathan Kroeker shifts to Chief Commercial Officer
CFO Nathan Kroeker transitions to Chief Commercial Officer effective Mar 5; base salary unchanged, target incentive rises to 90% of base.
Q4 revenue $7.3M (+10% YoY); full-year revenue $15.6M, in line with revised guidance.
Eos Energy secures final $40.5M from Cerberus $210.5M DDTL after achieving third milestone
Achieved third operational milestone (automated line, materials cost, Z3 tech, backlog); final $40.5M DDTL draw triggered.
Eos Energy achieves FY2024 rev guidance of $15M; FY2025 outlook $150-190M
Preliminary FY2024 revenue of ~$15M, meeting revised guidance; driven by Z3 Inline Cube deliveries.
Eos Energy receives $68.3M initial draw from DOE loan guarantee; appoints David Urban to board
DOE Loan Programs Office funded $68.3M first advance under $303.5M guarantee for Mon Valley Works expansion.
Eos Energy closes $303.5M DOE-guaranteed loan for Project AMAZE; Cerberus covenants deferred
DOE loan of $303.5M (down from $398.6M conditional commitment) at Treasury rate +0.375%, maturing June 15, 2034.
Court dismisses securities class action against Eos Energy and executives
U.S. District Court for New Jersey granted motion to dismiss on November 8, 2024.
Eos Energy Q3 revenue $0.9M, net loss $342.9M; cuts 2024 revenue outlook to ~$15M
Revenue $0.9M (vs. expectations) due to enclosure supply chain delay; net loss attributable to shareholders $342.9M.
Eos Energy achieves second milestone, draws $65M from Cerberus credit facility
Achieved all four second performance milestones on Oct 31, 2024, enabling $65M draw from $210.5M Delayed Draw Term Loan.
Eos Energy converts Series A preferred to convertible stock; holders approve 19.99%+ issuance
On Sept 12, 2024, 59 Series A-1 shares became 31.9M Series B-1 shares; 7 Series A-2 became 28.8M Series B-2 shares, each convertible 1:1M into common.
Eos Energy achieves first Cerberus milestones, draws $30M tranche; DOE loan extended to Dec 31
Achieved all four First Milestone metrics: automated line cycle time <10 sec, first pass yield >90%.
Eos Energy Q2 2024 revenue $0.9M (+261% YoY); Cerberus invests up to $315.5M; SotA line commissioned
Revenue $0.9M (+261% YoY); cost of goods sold $14.1M; other op expenses $15.8M.
Eos Energy amends incentive plan, grants CEO 2M and CFO 1.3M equity units
Plan amended to clarify share repurchase rules and adopt modified double-trigger for change in control.
Eos Energy Enterprises appoints Gregory Nixon to board of directors
Gregory Nixon elected to board by holders of Series A-1 Preferred Stock effective July 24, 2024.
Eos Energy regains Nasdaq compliance; bid price above $1.00 for 10 days
Received Nasdaq notice on July 9, 2024 confirming compliance with Bid Price Rule.
In connection with the transition of his role and pending separation, on September 10, 2026, the Company entered into a separation agreement with Mr. Kroeker
On July 8, 2026, Nathaniel Fick resigned from his role as a Class III director of the Board, effective July 8, 2026, to accept an appointment as preferred stock director of the Board.
On July 9, 2026, the Board appointed Haiyan Song, age 60, to the Board.
Nathaniel Fick will succeed Mr. Nixon as a preferred stock director of the Board, effective July 8, 2026.
On July 8, 2026, Greg Nixon resigned from his role as a preferred stock director of the Board of Directors (the “Board”) of Eos Energy Enterprises, Inc. (the “Company”), effective July 8, 2026, to devote more time to other business ventures.
In connection with Mr. Lagi’s appointment as Chief Financial Officer, Nathan Kroeker will cease serving as the interim Chief Financial Officer of the Company and will continue to serve as the Company’s Chief Commercial Officer.
On April 30, 2026, Eos Energy Enterprises, Inc. (“Eos” and, together with its subsidiaries, the “Company”) announced that, effective June 8, 2026, Alessandro Lagi will be the new Chief Financial Officer of the Company.
Effective as of May 27, 2025, the Company appointed its current Chief Commercial Officer, Nathan Kroeker, the Company’s former CFO, as the Company’s interim CFO
On May 27, 2025, Eos Energy Enterprises, Inc. (the “Company”) terminated the employment of its Chief Financial Officer (“CFO”), Eric Javidi, effective immediately.
Effective immediately upon the transition of Mr. Kroeker to his new role at the Company, the Company appointed Eric Javidi to be the Company’s new Chief Financial Officer.
Nathan Kroeker will transition from his role as the Chief Financial Officer of the Company and become the Chief Commercial Officer of the Company.
On July 24, 2024, pursuant to the terms of the Series A-1 Preferred Stock of Eos Energy Enterprises, Inc. (the “Company”), the holders of Series A-1 Preferred Stock elected Gregory Nixon to serve on the board of directors of the Company.
Max materiality 0.90 · Median 0.70 · Most common event other_material