Eos Energy Enterprises (EOSE) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $2.16, +10.77% vs the prior close of $1.95.
- Volume 40.29M shares, 1.5x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
EOSE jumps 10.8% to $2.16. Closed at $2.16, +10.77% vs the prior close of $1.95. Day range $1.85–$2.18, opened at $1.86.
EOSE daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — EOSE jumps 10.8% to $2.16
- Closed at $2.16, +10.77% vs the prior close of $1.95. Day range $1.85–$2.18, opened at $1.86.
- Volume was 40.29M shares, 1.5x its 50-day average of 26.75M.
- Price is -38.4% vs its 50-day average ($3.51) and -68.9% vs its 200-day average ($6.94).
- 52-week range $1.85–$19.86; today's close sits at 2% of that range, 89.1% below the 52-week high.
Oct 14, 2026 — EOSE slides 15.9% to $1.95, a 52-week low, 7 down days in a row
- Closed at $1.95, -15.95% vs the prior close of $2.32. Day range $1.94–$2.25, opened at $2.23.
- Volume was 44.68M shares, 1.7x its 50-day average of 26.83M.
- Price is -44.9% vs its 50-day average ($3.54) and -72.1% vs its 200-day average ($6.99).
- 52-week range $1.94–$19.86; today's close sits at 0% of that range, 90.2% below the 52-week high.
- That makes 7 straight losses.
Oct 13, 2026 — EOSE dips 2.9% to $2.32, a 52-week low, 6 down days in a row
- Closed at $2.32, -2.93% vs the prior close of $2.39. Day range $2.29–$2.38, opened at $2.31.
- Volume was 19.65M shares, 0.7x its 50-day average of 27.30M.
- Price is -35.3% vs its 50-day average ($3.59) and -67.0% vs its 200-day average ($7.04).
- 52-week range $2.29–$19.86; today's close sits at 0% of that range, 88.3% below the 52-week high.
- That makes 6 straight losses.
Oct 12, 2026 — EOSE slides 5.2% to $2.39, a 52-week low, 5 down days in a row
- Closed at $2.39, -5.16% vs the prior close of $2.52. Day range $2.35–$2.49, opened at $2.48.
- Volume was 26.73M shares, 1.0x its 50-day average of 27.27M.
- Price is -33.9% vs its 50-day average ($3.62) and -66.3% vs its 200-day average ($7.09).
- 52-week range $2.35–$19.86; today's close sits at 0% of that range, 88.0% below the 52-week high.
- That makes 5 straight losses.
Oct 9, 2026 — EOSE slides 8.9% to $2.52, a 52-week low, 4 down days in a row
- Closed at $2.52, -8.86% vs the prior close of $2.77. Day range $2.44–$2.77, opened at $2.76.
- Volume was 43.37M shares, 1.6x its 50-day average of 26.91M.
- Price is -30.7% vs its 50-day average ($3.64) and -64.7% vs its 200-day average ($7.13).
- 52-week range $2.44–$19.86; today's close sits at 0% of that range, 87.3% below the 52-week high.
- That makes 4 straight losses.
Oct 8, 2026 — EOSE slides 10.8% to $2.77, a 52-week low, 3 down days in a row
- Closed at $2.77, -10.81% vs the prior close of $3.10. Day range $2.71–$3.07, opened at $3.04.
- Volume was 40.08M shares, 1.5x its 50-day average of 26.83M.
- Price is -24.4% vs its 50-day average ($3.66) and -61.5% vs its 200-day average ($7.19).
- 52-week range $2.71–$19.86; today's close sits at 0% of that range, 86.1% below the 52-week high.
- That makes 3 straight losses.
Oct 7, 2026 — EOSE slides 4.9% to $3.10
- Closed at $3.10, -4.91% vs the prior close of $3.26. Day range $3.05–$3.14, opened at $3.11.
- Volume was 17.99M shares, 0.7x its 50-day average of 27.10M.
- Price is -15.4% vs its 50-day average ($3.66) and -57.2% vs its 200-day average ($7.24).
- 52-week range $2.96–$19.86; today's close sits at 1% of that range, 84.4% below the 52-week high.
Oct 6, 2026 — EOSE dips 0.3% to $3.26
- Closed at $3.26, -0.31% vs the prior close of $3.27. Day range $3.23–$3.38, opened at $3.29.
- Volume was 24.09M shares, 0.9x its 50-day average of 27.05M.
- Price is -11.2% vs its 50-day average ($3.67) and -55.2% vs its 200-day average ($7.28).
- 52-week range $2.96–$19.86; today's close sits at 2% of that range, 83.6% below the 52-week high.
Oct 5, 2026 — EOSE rises 1.9% to $3.27, 3 up days in a row
- Closed at $3.27, +1.87% vs the prior close of $3.21. Day range $3.05–$3.28, opened at $3.20.
- Volume was 23.88M shares, 0.9x its 50-day average of 27.24M.
- Price is -11.1% vs its 50-day average ($3.68) and -55.4% vs its 200-day average ($7.33).
- 52-week range $2.96–$19.86; today's close sits at 2% of that range, 83.5% below the 52-week high.
- That makes 3 straight gains.
Oct 2, 2026 — EOSE rises 2.2% to $3.21
- Closed at $3.21, +2.23% vs the prior close of $3.14. Day range $3.11–$3.25, opened at $3.25.
- Volume was 23.91M shares, 0.9x its 50-day average of 27.28M.
- Price is -12.8% vs its 50-day average ($3.68) and -56.5% vs its 200-day average ($7.38).
- 52-week range $2.96–$19.86; today's close sits at 1% of that range, 83.8% below the 52-week high.
EOSE latest news & SEC filings
Every SEC filing by or about EOSE in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 22, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Sep 16, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Puri Sumeet converted options/RSUs into 87,500 shares on Sep 14, 2026; now holds 323,945
- Puri Sumeet sold 43,750 shares at $3.92 (≈$171.50K) on Sep 16, 2026; now holds 280,195
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 16, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Mastrangelo Joe received an award of 500,000 shares on Sep 14, 2026; now holds 2,558,704
- Mastrangelo Joe sold 250,000 shares at $3.92 (≈$980.00K) on Sep 16, 2026; now holds 2,308,704
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 16, 2026 · 8-K/A — Amended current report
Amended current report
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Sep 16, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Sep 16, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Sep 16, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Sep 14, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.03 — Took on a new material debt or financial obligation.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 31, 2026 · S-3ASR — S-3ASR filing
S-3ASR filing
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Aug 25, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 6, 2026 · SCHEDULE 13D/A — Update to a 13D 5%+ stake disclosure
Update to a 13D 5%+ stake disclosure
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 6, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 3.02 — Sold unregistered shares.
Aug 5, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $68.78M (prior year $15.24M) (+351.4% vs Jun 30, 2025)
- Net income: -$275.71M (prior year -$222.94M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$1.20 (prior year -$1.05) (loss widened vs Jun 30, 2025)
Aug 5, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade EOSE
- Last results release: Aug 5, 2026 (8-K Item 2.02). Previous ones: Jul 15, 2026, May 13, 2026, Apr 9, 2026. Based on that rhythm, the next report is likely around Nov 4, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 4.96% (largest 15.9%). That is a volatile stock.
- Liquidity: about 29.97M shares (≈$64.74M) trade per day on average.
- 52-week position: $2.16 vs a range of $1.85–$19.86 (2% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 6 open-market buys, 19 sales; latest: Sumeet Puri sold 43,750 shares on Sep 16, 2026.
- Latest filings: 8-K Sep 14, 2026; 8-K Aug 25, 2026; 8-K Aug 6, 2026.
- Share count: 364.17M shares outstanding (Aug 3, 2026), +40.1% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Miscellaneous Electrical Machinery, Equipment & Supplies.
EOSE market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 1.86 | 2.18 | 1.85 | 2.16 | 40.29M |
| Oct 14, 2026 | 2.23 | 2.25 | 1.94 | 1.95 | 44.68M |
| Oct 13, 2026 | 2.31 | 2.38 | 2.29 | 2.32 | 19.65M |
| Oct 12, 2026 | 2.48 | 2.49 | 2.35 | 2.39 | 26.73M |
| Oct 9, 2026 | 2.76 | 2.77 | 2.44 | 2.52 | 43.37M |
| Oct 8, 2026 | 3.04 | 3.07 | 2.71 | 2.77 | 40.08M |
| Oct 7, 2026 | 3.11 | 3.14 | 3.05 | 3.10 | 17.99M |
| Oct 6, 2026 | 3.29 | 3.38 | 3.23 | 3.26 | 24.09M |
| Oct 5, 2026 | 3.20 | 3.28 | 3.05 | 3.27 | 23.88M |
| Oct 2, 2026 | 3.25 | 3.25 | 3.11 | 3.21 | 23.91M |
| Oct 1, 2026 | 3.04 | 3.20 | 2.96 | 3.14 | 24.65M |
| Sep 30, 2026 | 3.22 | 3.22 | 3.06 | 3.07 | 24.04M |
| Sep 29, 2026 | 3.17 | 3.26 | 3.07 | 3.11 | 23.35M |
| Sep 28, 2026 | 3.14 | 3.17 | 3.01 | 3.07 | 25.83M |
| Sep 25, 2026 | 3.32 | 3.33 | 3.16 | 3.16 | 33.53M |
| Sep 24, 2026 | 3.50 | 3.51 | 3.17 | 3.24 | 54.30M |
| Sep 23, 2026 | 3.99 | 3.99 | 3.56 | 3.58 | 31.30M |
| Sep 22, 2026 | 4.14 | 4.35 | 4.05 | 4.06 | 26.84M |
| Sep 21, 2026 | 4.07 | 4.16 | 3.98 | 4.07 | 26.06M |
| Sep 18, 2026 | 4.02 | 4.19 | 3.81 | 3.96 | 24.87M |
About Eos Energy Enterprises
Eos Energy Enterprises (EOSE) is listed on the Nasdaq and classified by the SEC under “Miscellaneous Electrical Machinery, Equipment & Supplies”. Its business address is in PITTSBURGH, PA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1805077.
EOSE board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Jeffrey S Bornstein | Director | Aug 6, 2026 |
| Frontier Jv Holdco, Llc Ccm | Director | Aug 6, 2026 |
| Frontier Power Usa Holdings Gp, Llc Ccm | Director | Aug 6, 2026 |
| Frontier Power Usa Holdings, Lp Ccm | Director | Aug 6, 2026 |
| Gp Manager Llc Cerberus | Director | Aug 6, 2026 |
| Alexander Dimitrief | Director | Aug 6, 2026 |
| Claude Demby | Director | Aug 6, 2026 |
| Nathaniel Fick | Director | Apr 3, 2026 |
| Joe Mastrangelo | Chief Executive Officer | Sep 16, 2026 |
| Jeff Mcneil | Director | Jun 9, 2026 |
| Joseph Nigro | Director | Aug 6, 2026 |
| Gregory S. Nixon | Director | Jun 9, 2026 |
| Haiyan Song | Director | Sep 15, 2026 |
| Russell Monoki Stidolph | Director | Dec 8, 2025 |
| David Urban | Director | Aug 6, 2026 |
| Marian Walters | Director | Aug 6, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Michelle Buczkowski | Chief Commercial Officer | Aug 26, 2026 |
| Nathan Kroeker | Chief Commercial Officer | Aug 6, 2026 |
| Alessandro Lagi | Chief Financial Officer | Aug 26, 2026 |
| Marie Batz Martin | Chief Legal Officer | Jul 15, 2026 |
| Joe Mastrangelo | Chief Executive Officer | Sep 16, 2026 |
| Sumeet Puri | Chief Accounting Officer | Sep 16, 2026 |
| Michael W Silberman | Chief Legal Officer | Jun 30, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 16, 2026 | Sumeet Puri | Sale | 43,750 | $3.92 |
| Sep 16, 2026 | Joe Mastrangelo | Sale | 250,000 | $3.92 |
| Sep 14, 2026 | Haiyan Song | Buy | 5,000 | $3.84 |
| Sep 11, 2026 | Haiyan Song | Buy | 10,000 | $3.95 |
| Sep 9, 2026 | Sumeet Puri | Sale | 34,167 | $4.13 |
| Jul 28, 2026 | Nathan Kroeker | Sale | 110,417 | $3.36 |
| Jul 28, 2026 | Sumeet Puri | Sale | 29,167 | $3.36 |
| Jul 27, 2026 | Joe Mastrangelo | Sale | 159,154 | $3.61 |
| Jul 7, 2026 | Nathan Kroeker | Sale | 79,309 | $4.68 |
| Jun 30, 2026 | Michael W Silberman | Sale | 14,998 | $5.87 |
| Jun 30, 2026 | Michelle Buczkowski | Sale | 11,469 | $5.87 |
| Jun 30, 2026 | Sumeet Puri | Sale | 8,823 | $5.86 |
| Jun 30, 2026 | Nathan Kroeker | Sale | 35,289 | $5.86 |
| May 28, 2026 | Marian Walters | Sale | 30,000 | $9.18 |
| May 20, 2026 | Marian Walters | Sale | 22,319 | $7.20 |
EOSE financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $114.20M | $-969.65M | -6.69 | $-211.19M |
| Dec 31, 2024 | $15.61M | $-685.87M | -4.55 | $-153.94M |
| Dec 31, 2023 | $16.38M | $-229.51M | -1.81 | $-145.02M |
| Dec 31, 2022 | $17.92M | $-229.81M | -3.68 | $-196.86M |
| Dec 31, 2021 | $4.60M | $-124.22M | -2.36 | $-116.15M |
Latest balance sheet: total assets $906.78M, total liabilities $1.22B, cash $305.49M (as of Jun 30, 2026).
EOSE earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 5, 2026 | 8-K Item 2.02 (results) | $3.82 |
| Jul 15, 2026 | 8-K Item 2.02 (results) | $4.37 |
| May 13, 2026 | 8-K Item 2.02 (results) | $8.28 |
| Apr 9, 2026 | 8-K Item 2.02 (results) | $5.95 |
| Feb 26, 2026 | 8-K Item 2.02 (results) | $6.74 |
| Nov 5, 2025 | 8-K Item 2.02 (results) | $14.86 |
| Jul 30, 2025 | 8-K Item 2.02 (results) | $5.92 |
| May 6, 2025 | 8-K Item 2.02 (results) | $5.04 |
| Mar 4, 2025 | 8-K Item 2.02 (results) | $3.94 |
| Jan 16, 2025 | 8-K Item 2.02 (results) | $6.16 |
| Nov 5, 2024 | 8-K Item 2.02 (results) | $3.18 |
| Aug 6, 2024 | 8-K Item 2.02 (results) | — |
Related stocks · Miscellaneous Electrical Machinery, Equipment & Supplies
Novanta (NOVT)Atkore (ATKR)Amprius Technologies (AMPX)QuantumScape (QS)EnerSys (ENS)Fluence Energy (FLNC)Ses Ai (SES)Energizer (ENR)Enovix (ENVX)Spectrum Brands (SPB)
Popular today
Micron Technology (MU)Spdr S&P 500 Etf (SPY)Nvidia (NVDA)Sandisk (SNDK)AMD (AMD)Space Exploration Technologies (SPCX)Intel (INTC)Apple (AAPL)Microsoft (MSFT)Meta Platforms (META)Broadcom (AVGO)Tesla (TSLA)
More on EOSE
Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.