ESS Tech, Inc.

GWH

ESS Tech, Inc.

GWH

Insider Sentiment (TTM):

Last Purchase:2026-06-04Last Sale:2026-05-22Shares Purchased (TTM):25,000Shares Sold (TTM):7,683

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:7,414,926Shares Outstanding:29,294,336Institutional Ownership Pct.:25.31%

Earnings Market Reaction:

Filing Date:2026-08-11Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Related Party	-	-	-	-7	8	4	0	0	0	0	4	0
Assets
Nonrelated Party	-	-	-	-	-	4	0	0	0	0	4	5
Assets Current
Cash And Cash Equivalents At Carrying Value	11	15	14	4	1	8	13	13	37	36	20	37
Restricted Cash And Cash Equivalents At Carrying V…	1	1	1	1	1	1	1	1	1	1	1	1
Accounts Receivable Net Current	0	0	0	0	0	0	0	0	1	1	2	1
Trading Securities Debt	0	6	8	0	0	4	18	42	38	53	88	87
Inventory Net	0	0	0	5	5	7	6	7	4	3	3	2
Prepaid Expense And Other Assets Current	2	2	3	2	5	3	5	5	4	4	3	2
Assets Current	14	25	26	12	11	24	43	69	85	98	118	131
Property Plant And Equipment Net	12	16	17	18	22	23	21	20	18	17	16	18
Intangible Assets Net Excluding Goodwill	3	3	3	4	5	5	5	5	5	5	5	5
Operating Lease Right Of Use Asset	3	3	4	0	1	1	2	2	2	2	2	2
Restricted Cash And Cash Equivalents Noncurrent	1	1	1	1	1	1	1	1	1	1	1	1
Other Assets Noncurrent	1	1	1	1	1	1	1	1	1	1	1	1
Assets	32	49	51	36	40	54	72	97	111	124	143	159
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	1	1	3	9	11	10	8	11	6	3	3	3
Product Warranty Accrual Classified Current	1	1	1	2	2	2	3	3	3	3	2	3
Operating Lease Liability Current	2	2	2	0	1	1	2	2	2	2	2	2
Contract With Customer Liability Current	0	0	0	1	1	1	5	6	6	6	3	1
Notes Payable Current	-	-	-	-	-	-	-	-	-	-	0	0
Finance Lease Liability Current	-	9	8	2	-	-	0	-	-	-	-	-
Liabilities Current	20	23	25	24	24	22	28	32	26	20	20	19
Operating Lease Liability Noncurrent	1	2	2	-	-	-	0	0	1	1	1	1
Long Term Debt Noncurrent	-	-	-	-	-	-	-	-	-	-	0	0
Contract With Customer Liability Noncurrent	5	5	5	5	12	18	14	14	14	14	18	20
Finance Lease Liability Noncurrent	-	9	9	8	-	-	0	-	-	-	-	-
Other Liabilities Noncurrent	0	0	0	0	0	0	0	0	-	-	0	0
Liabilities	35	39	43	38	36	42	43	47	42	36	40	42
Stockholders Equity
Preferred Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital	875	871	854	820	815	812	811	808	805	802	800	796
Retained Earnings Accumulated Deficit	-877	-862	-846	-822	-811	-800	-782	-759	-736	-714	-696	-680
Stockholders Equity	-3	9	9	-2	3	12	29	49	69	88	103	116
Liabilities And Stockholders Equity	32	49	51	36	40	54	72	97	111	124	143	159
Preferred Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Preferred Stock Shares Authorized	200	200	200	200	200	200	200	200	200	200	200	200
Preferred Stock Shares Outstanding	0	0	0	0	0	0	0	0	0	0	0	0
Preferred Stock Shares Issued	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Par Or Stated Value Per Share	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Shares Authorized	1,000	1,000	1,000	1,000	1,000	1,000	1,000	2,000	2,000	2,000	1,000	2,000
Common Stock Shares Issued	33	28	22	15	13	12	12	12	12	12	12	12
Shares Outstanding	33	28	22	15	13	12	12	12	12	12	12	12

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10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-9.82%	-24.11%	-32.95%	-	-	-	-	-	-	-	-	-
2025	-52.34%	-32.03%	-33.20%	-19.88%	0.58%	141.52%	-49.18%	-52.71%	-58.82%	-16.91%	-16.18%	-29.56%
2024	-5.10%	4.20%	-1.91%	-42.12%	-34.93%	-23.35%	-25.78%	-13.51%	-24.83%	-30.37%	-38.34%	-67.18%
2023	-	-	-	-	-	-	-10.53%	-21.05%	-32.33%	-4.92%	7.24%	-3.62%
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Performance and Valuation Metrics

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Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	0.68	1.08	1.04	0.49	0.47	1.07	1.57	2.14	3.26	4.94	5.97	7.05
Quick Ratio	0.58	0.97	0.90	0.19	0.08	0.63	1.19	1.76	2.94	4.60	5.64	6.82
Working Capital	-6.41M	1.76M	955.00K	-12.25M	-12.79M	1.45M	15.76M	36.48M	58.66M	78.36M	98.33M	112.79M
Leverage & Debt
Debt to Equity	-13.09	4.14	4.94	-21.46	10.99	3.44	1.49	0.97	0.61	0.41	0.39	0.36
Interest Coverage TTM	-6.44	-6.45	-9.65	-53.49	-50.28	-34.67	-25.13	-18.47	-16.06	-15.41	-16.33	-19.95
Debt Ratio	1.08	0.81	0.83	1.05	0.92	0.77	0.60	0.49	0.38	0.29	0.28	0.27
Efficiency & Turnover
Asset Turnover TTM	-0.03	0.02	0.03	0.09	0.08	0.05	0.06	0.05	0.06	0.07	0.05	0.03
Days Sales Outstanding TTM	-24.58	47.59	26.29	15.79	33.42	56.73	63.93	49.07	58.34	31.84	168.03	51.57
Receivables Turnover TTM	-14.85	7.67	13.89	23.11	10.92	6.43	5.71	7.44	6.26	11.47	2.17	7.08
Per Share Metrics
Diluted EPS TTM	-1.95	-2.09	-4.34	-4.45	-6.12	-7.14	-7.32	-6.68	-6.23	-6.36	-7.27	-8.26
Free Cash Flow Per Share TTM	-1.53	-1.71	-3.74	-3.06	-4.64	-6.54	-6.75	-6.20	-4.73	-5.11	-5.69	-6.78
Dividend Per Share TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Margin Metrics
Gross Profit Margin TTM	2,462.32%	-2,388.76%	-1,748.07%	-517.54%	-629.55%	-1,085.59%	-720.54%	-635.89%	-483.94%	-219.21%	-171.82%	-99.52%
Operating Profit Margin TTM	4,826.77%	-4,769.87%	-3,626.47%	-1,046.52%	-1,246.87%	-2,128.25%	-1,426.50%	-1,367.83%	-1,074.70%	-816.68%	-1,139.32%	-2,063.80%
Net Profit Margin TTM	5,612.36%	-5,515.83%	-4,007.58%	-1,045.27%	-1,217.22%	-2,067.81%	-1,369.69%	-1,263.79%	-982.87%	-746.89%	-1,028.89%	-1,817.71%
Growth Metrics
Net Revenue Growth (1Y)	-119.02%	-73.24%	-74.85%	-3.53%	-16.98%	-58.05%	-16.51%	31.11%	117.99%	682.46%	743.40%	442.14%
Net Income Growth (1Y)	-12.29%	-28.63%	-26.42%	-20.21%	2.82%	16.15%	11.14%	-8.84%	-28.08%	-21.43%	-0.50%	-62.92%
EPS Growth (1Y)	-68.18%	-70.68%	-40.67%	-33.40%	-1.83%	12.30%	0.67%	-19.20%	-36.59%	-30.57%	-4.98%	-63.89%
Valuation Metrics
P/E TTM	-0.49	-0.56	-0.43	-0.34	-0.22	-0.46	-0.80	-0.95	-1.97	-1.71	-2.35	-3.41
P/B TTM	-11.96	3.63	3.19	-12.18	4.94	3.25	2.40	1.52	2.08	1.44	1.76	2.54
P/S TTM	-27.39	30.82	17.34	3.57	2.65	9.44	11.00	11.96	19.36	12.74	24.18	62.04
Market Cap	32.13M	34.27M	27.45M	21.51M	16.32M	39.23M	69.23M	74.67M	143.77M	126.17M	182.35M	295.30M
Enterprise Value	19.56M	35.10M	47.79M	27.07M	14.00M	29.03M	54.03M	59.99M	107.03M	87.99M	159.87M	255.81M
Calculated Values
Free Cash Flow TTM	-51.72M	-49.96M	-54.57M	-43.35M	-56.97M	-78.65M	-79.51M	-73.29M	-55.41M	-59.43M	-60.69M	-70.95M
Net Debt	-12.57M	824.00K	20.34M	5.56M	-2.32M	-10.20M	-15.20M	-14.68M	-36.74M	-38.18M	-22.48M	-39.49M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
NCAV
NCAV Per Share TTM
Valuation Ratios
P/CF TTM
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-06-04Purchase

Owner: Buckley, Drew P

Title: CEO

Shares: 25,000

Price/Share: $1.03

Value: $25,750.00

Shares Owned: 25,000

Relationship: Director,Officer

Ownership: Direct

2026-05-22Sale

Owner: Suhadolnik, Kate Eileen

Title: Chief Financial Officer

Shares: 1,922

Price/Share: $0.93

Value: $1,787.46

Shares Owned: 160,757

Relationship: Officer

Ownership: Direct

2026-05-22Sale

Owner: Goodman, Kelly F.

Title: SEE REMARKS

Shares: 2,751

Price/Share: $0.93

Value: $2,558.43

Shares Owned: 210,620

Relationship: Officer

Ownership: Direct

2026-02-20Sale

Owner: Goodman, Kelly F.

Title: SEE REMARKS

Shares: 2,269

Price/Share: $1.54

Value: $3,494.26

Shares Owned: 215,853

Relationship: Officer

Ownership: Direct

2026-02-20Sale

Owner: Suhadolnik, Kate Eileen

Title: Chief Financial Officer

Shares: 741

Price/Share: $1.54

Value: $1,141.14

Shares Owned: 164,414

Relationship: Officer

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-06-04	Buckley, Drew P	Director,Officer	CEO	Direct	Purchase	25,000	1.03	$25,750.00	25,000	4
2026-05-22	Suhadolnik, Kate Eileen	Officer	Chief Financial Officer	Direct	Sale	1,922	0.93	$1,787.46	160,757	4
2026-05-22	Goodman, Kelly F.	Officer	SEE REMARKS	Direct	Sale	2,751	0.93	$2,558.43	210,620	4
2026-02-20	Goodman, Kelly F.	Officer	SEE REMARKS	Direct	Sale	2,269	1.54	$3,494.26	215,853	4
2026-02-20	Suhadolnik, Kate Eileen	Officer	Chief Financial Officer	Direct	Sale	741	1.54	$1,141.14	164,414	4
2024-11-18	Dresselhuys, Eric P.	Director,Officer	Chief Executive Officer	Direct	Purchase	1,000	5.23	$5,230.00	180,580	4
2024-09-11	Nijhawan, Sandeep	Director	-	Direct	Sale	7,000	5.72	$40,040.00	15,537	4
2024-08-30	Teamey, Kyle	Director	-	Direct	Purchase	142	6.73	$955.66	25,227	4
2024-05-14	Teamey, Kyle	Director	-	Direct	Purchase	1,250	0.79	$987.50	173,609	4
2024-05-10	Quarls, Harry	Director	-	Direct	Purchase	57,310	0.79	$45,274.90	423,456	4
2024-05-09	Quarls, Harry	Director	-	Direct	Purchase	42,690	0.84	$35,859.60	366,146	4
2024-03-15	Hossfeld, Rich	Director	-	Direct	Purchase	2,500	0.73	$1,825.00	147,873	4
2023-11-16	Quarls, Harry	Director	-	Direct	Purchase	5,489	1.25	$6,861.25	323,456	4
2023-11-15	Quarls, Harry	Director	-	Direct	Purchase	67,118	1.35	$90,609.30	317,967	4
2023-11-14	Quarls, Harry	Director	-	Direct	Purchase	80,579	1.27	$102,335.33	250,849	4
2023-11-13	Teamey, Kyle	Director	-	Direct	Purchase	1,000	1.11	$1,110.00	172,359	4
2023-11-13	Quarls, Harry	Director	-	Direct	Purchase	46,814	1.10	$51,495.40	170,270	4
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Institutional Ownership

No data available for chart

2026-03-31

25.31%

Inst. Shares: 7,414,926

Shares Outstanding: 29,294,336

2025-12-31

43.00%

Inst. Shares: 6,278,809

Shares Outstanding: 14,601,626

2025-09-30

26.44%

Inst. Shares: 3,742,627

Shares Outstanding: 14,154,333

2025-06-30

23.78%

Inst. Shares: 2,918,451

Shares Outstanding: 12,271,587

2025-03-31

27.26%

Inst. Shares: 3,280,643

Shares Outstanding: 12,033,442

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	7,414,926	29,294,336	25.31%
2025-12-31	6,278,809	14,601,626	43.00%
2025-09-30	3,742,627	14,154,333	26.44%
2025-06-30	2,918,451	12,271,587	23.78%
2025-03-31	3,280,643	12,033,442	27.26%
2024-12-31	3,361,013	11,773,596	28.55%
2024-09-30	3,174,827	11,814,580	26.87%
2024-06-30	3,379,362	11,717,238	28.84%
2024-03-31	3,704,468	11,634,302	31.84%
2023-12-31	4,004,592	10,663,909	37.55%
2023-09-30	4,037,978	10,471,738	38.56%
2023-06-30	3,908,793	10,331,852	37.83%
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ESS Tech, Inc. (GWH) — SEC Financial Statements & Analysis

ESS Tech, Inc. (GWH) is a miscellaneous electrical machinery, equipment & supplies company, incorporated in DE. ESS Tech, Inc. trades on NYSE, OTC as: GWH, GWHWW. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), ESS Tech, Inc. reported a -119.02% year-over-year revenue growth, a Gross Profit Margin of 2462.32% (TTM), a Debt-to-Equity ratio of -13.09x, a Price-to-Sales (P/S) ratio of -27.39x (TTM), a Price-to-Book (P/B) ratio of -11.96x (TTM), at a market cap of $32.13M. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: -119.02%
Gross Profit Margin TTM: 2462.32%
Debt To Equity: -13.09x
P/S TTM: -27.39x
P/B TTM: -11.96x
Market Cap: $32.13M

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is ESS Tech, Inc. in?

ESS Tech, Inc. (GWH) operates in the Miscellaneous Electrical Machinery, Equipment & Supplies industry.

What is GWH's market cap?

ESS Tech, Inc. (GWH) has a market capitalization of $32.13M as of 2026-06-30.

What exchange does GWH trade on?

ESS Tech, Inc. (GWH) trades on the NYSE, OTC.

Where is ESS Tech, Inc. incorporated?

ESS Tech, Inc. is incorporated in DE.

ESS Tech, Inc.

Financial Statements

Custom Table

Interactive Financial Visualizations

Earnings Market Reaction

Performance and Valuation Metrics

Insider Transactions

Institutional Ownership

ESS Tech, Inc. (GWH) — SEC Financial Statements & Analysis

Frequently Asked Questions

Companies in Miscellaneous Electrical Machinery, Equipment & Supplies

Wall Street's data.
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ESS Tech, Inc. (GWH) — SEC Financial Statements & Analysis

Frequently Asked Questions

Companies in Miscellaneous Electrical Machinery, Equipment & Supplies

Wall Street's data.Main Street's price.

Wall Street's data.
Main Street's price.