← Insiders

YDES

Bearish signal

Factor checklist — research, not advice

A check leans with a bullish reading. A cross leans against it. A dash is unavailable or mixed.

ACHAT TOTAL: 34 178 titres (~128 525,26 $ US)

Insiders
Shen Ethan PhD
Total bought
$128,525

Avg buy (VWAP, 90d window) $3.76 vs last close —

Total sold
—

Avg sell (VWAP, 90d window) —

Last activity
2026-09-14
Last synced
2026-09-20 09:54:07 Synced via automated research pipeline

Sign in to request a sync of this company's price history and timing levels.

Insider holdings as a share of total assets aren't available for this company.

Avg buy and avg sell are volume-weighted prices (sum of shares × price, divided by shares) for Form 4 rows in this 90-day window that report both figures. A comparison with last close is market context for that average, not advice.

Recent Form 4

Filings in the 90-day window for this company. Value is shares × price from the filing. Research, not advice.

Date Person Side Shares Price Value Form 4
2026-09-14 Shen Ethan PhD Buy 12,700 $3.85 $48,895 Form 4
2026-09-09 Shen Ethan PhD Buy 3,100 $3.93 $12,183 Form 4
2026-09-04 Shen Ethan PhD Buy 18,378 $3.67 $67,447 Form 4

Price (1 year)

Live chart from TradingView — independent market data, as price context around the filings, not the Quorum score. EMA 50/200 and Bollinger load by default. When the exchange is known it is sent as EXCHANGE:SYMBOL; otherwise TradingView resolves the ticker best-effort.

Market snapshot

Signal

Bearish signalScored 2026-09-10

The 0-100 score behind this signal and the full written analysis are part of Plus. See plans.

Financial ratios

MetricTrend2025-12-312024-12-312023-12-312022-12-312021-12-31
Gross Profit Margin-7.1%30.4%43.8%0.0%0.0%
Ebit Margin-1392.9%-271.5%5.7%0.0%0.0%
Ebitda Margin-1357.8%-251.0%6.4%0.0%0.0%
Operating Profit Margin-883.3%-286.5%-2.8%0.0%0.0%
Pretax Profit Margin-1392.9%-271.7%5.0%0.0%0.0%
Continuous Operations Profit Margin-1392.6%-276.6%3.9%0.0%0.0%
Net Profit Margin-1392.6%-276.6%3.9%0.0%0.0%
Bottom Line Profit Margin-1392.6%-276.6%3.9%0.0%0.0%
Current Ratio5.88413.1830.9110.0370.065
Quick Ratio4.74013.0410.6780.0370.065
Solvency Ratio-0.487-4.7700.0540.5620.956
Cash Ratio3.65511.9070.2920.0030.003
Price To Earnings Ratio-101.583-21.50060,200.00029.36620.407
Price To Earnings Growth Ratio1.2930.000-602.294-0.963-0.046
Forward Price To Earnings Growth Ratio1.2930.000-602.294-0.963-0.046
Price To Earnings Diluted Ratio-101.583-21.50060,200.00029.36620.407
Price To Earnings Diluted Growth Ratio1.2930.000-602.294-0.963-0.046
Price To Book Ratio-284.8057.57436,702.9999.9921.617
Price To Sales Ratio1,362.74197.8062,410.3800.0000.000
Price To Free Cash Flow Ratio-101.199-10.514-15,084.790-37.019-255.888
Price To Operating Cash Flow Ratio-123.290-27.175-15,163.389-37.019-255.890
Debt To Assets Ratio0.0000.0030.1480.0000.000
Debt To Equity Ratio-0.0020.0032.0690.0000.000
Debt To Capital Ratio-0.0020.0030.6740.0000.000
Long Term Debt To Capital Ratio0.0000.0000.0000.0000.000
Financial Leverage Ratio-4.8251.04213.9691.6011.084
Working Capital Turnover Ratio0.1060.321-0.1300.0000.000
Operating Cash Flow Ratio-4.014-6.983-0.187-0.545-0.345
Operating Cash Flow Sales Ratio-11.053-3.599-0.1590.0000.000
Free Cash Flow Operating Cash Flow Ratio1.2182.5851.0051.0001.000
Debt Service Coverage Ratio0.000-1,229.8040.4980.0000.000
Interest Coverage Ratio0.000-1,893.692-4.5930.0000.000
Short Term Operating Cash Flow Coverage Ratio0.000-6,333.855-1.6220.0000.000
Operating Cash Flow Coverage Ratio-975.267-81.437-1.1700.0000.000
Capital Expenditure Coverage Ratio-4.581-0.631-191.9210.000-137,683.000
Dividend Paid And Capex Coverage Ratio-4.581-0.631-191.9210.000-137,683.000
Dividend Payout Ratio0.0000.0000.0000.0000.000
Enterprise Value Multiple-99.627-36.54037,935.32429.51920.238

Sparkline shows each ratio oldest → newest (left → right).

How the latest year compares

For each ratio: its most recent value, the change versus one year earlier, and versus its 5-year average. ▲ higher ▼ lower

MetricCurrentvs 1Y agovs 5Y avg
Gross Profit Margin -7.1% ▼-37.5% ▼-20.5%
Ebit Margin -1392.9% ▼-1121.3% ▼-1061.1%
Ebitda Margin -1357.8% ▼-1106.8% ▼-1037.3%
Operating Profit Margin -883.3% ▼-596.9% ▼-648.8%
Pretax Profit Margin -1392.9% ▼-1121.2% ▼-1061.0%
Continuous Operations Profit Margin -1392.6% ▼-1116.0% ▼-1059.5%
Net Profit Margin -1392.6% ▼-1116.0% ▼-1059.5%
Bottom Line Profit Margin -1392.6% ▼-1116.0% ▼-1059.5%
Current Ratio 5.884 ▼-7.299 ▲1.868
Quick Ratio 4.740 ▼-8.301 ▲1.028
Solvency Ratio -0.487 ▲4.283 ▲0.250
Cash Ratio 3.655 ▼-8.252 ▲0.483
Price To Earnings Ratio -101.583 ▼-80.083 ▼-12126.921
Price To Earnings Growth Ratio 1.293 ▲1.293 ▲121.695
Forward Price To Earnings Growth Ratio 1.293 ▲1.293 ▲121.695
Price To Earnings Diluted Ratio -101.583 ▼-80.083 ▼-12126.921
Price To Earnings Diluted Growth Ratio 1.293 ▲1.293 ▲121.695
Price To Book Ratio -284.805 ▼-292.379 ▼-7572.280
Price To Sales Ratio 1362.741 ▲1264.934 ▲588.555
Price To Free Cash Flow Ratio -101.199 ▼-90.685 ▲2996.683
Price To Operating Cash Flow Ratio -123.290 ▼-96.114 ▲2998.063
Debt To Assets Ratio 0.001 ▼-0.003 ▼-0.030
Debt To Equity Ratio -0.002 ▼-0.006 ▼-0.416
Debt To Capital Ratio -0.002 ▼-0.006 ▼-0.137
Long Term Debt To Capital Ratio 0.000 0.000 0.000
Financial Leverage Ratio -4.825 ▼-5.867 ▼-7.399
Working Capital Turnover Ratio 0.106 ▼-0.215 ▲0.047
Operating Cash Flow Ratio -4.014 ▲2.969 ▼-1.599
Operating Cash Flow Sales Ratio -11.053 ▼-7.454 ▼-8.091
Free Cash Flow Operating Cash Flow Ratio 1.218 ▼-1.367 ▼-0.143
Debt Service Coverage Ratio 0.000 ▲1229.804 ▲245.861
Interest Coverage Ratio 0.000 ▲1893.692 ▲379.657
Short Term Operating Cash Flow Coverage Ratio 0.000 ▲6333.855 ▲1267.095
Operating Cash Flow Coverage Ratio -975.267 ▼-893.830 ▼-763.692
Capital Expenditure Coverage Ratio -4.581 ▼-3.950 ▲27571.446
Dividend Paid And Capex Coverage Ratio -4.581 ▼-3.950 ▲27571.446
Dividend Payout Ratio 0.000 0.000 0.000
Enterprise Value Multiple -99.627 ▼-63.087 ▼-7669.410

Key metrics

MetricTrend20252024202320222021
Market cap$813.3M$49.9M$843.9M$111.9M$176.2M
Enterprise value$807.3M$46.8M$843.9M$111.9M$176.2M
EV / Sales1352.69x91.71x2410.27x0.00x0.00x
EV / Op. cash flow-122.38x-25.48x-15162.68x-37.02x-255.88x
EV / Free cash flow-100.45x-9.86x-15084.08x-37.02x-255.88x
EV / EBITDA-99.63x-36.54x37935.32x29.52x20.24x
Net debt / EBITDA0.74x2.43x-1.78x-0.00x-0.00x
Current ratio5.88x13.18x0.91x0.04x0.07x
Income quality0.79x1.30x-4.10x-0.80x-0.08x
Graham number——$0$3$10
Graham net-net-$0$1-$0-$1-$1
Tax burden100.0%101.8%76.8%99.9%100.0%
Interest burden100.0%100.1%89.2%100.0%100.0%
Working capital$8.0M$3.2M-$26K-$5.3M-$1.9M
Invested capital$10.7M$6.0M-$12K-$5.3M-$1.9M
Return on assets-60.3%-20.6%4.2%21.1%7.4%
Operating ROA-51.1%-40.7%-0.1%-3.4%-1.5%
Return on tangible assets-74.4%-33.7%4.2%21.1%7.4%
Return on equity291.0%-21.4%59.0%33.8%8.0%
Return on invested capital-43.4%-22.1%-10.7%-18.8%-1.5%
Return on capital employed-43.4%-22.1%-42.8%-18.8%-1.5%
Earnings yield-1.0%-2.8%0.0%3.4%4.9%
Free cash flow yield-1.0%-9.5%-0.0%-2.7%-0.4%
Capex / Op. cash flow-21.8%-158.5%-0.5%0.0%-0.0%
Capex / Depreciation687.2%2779.4%11.8%0.0%0.0%
Capex / Sales241.3%570.4%0.1%0.0%0.0%
SG&A / Sales607.8%220.7%45.9%0.0%0.0%
R&D / Sales268.4%96.3%0.0%0.0%0.0%
Stock comp / Sales0.0%0.0%0.0%0.0%0.0%
Intangibles / Total assets18.9%39.0%0.0%0.0%0.0%
Days sales outstanding436d188d103d0d0d
Days payables outstanding236d27d33d0d0d
Operating cycle1509d226d231d0d0d
Cash conversion cycle1273d199d198d0d0d

Change by theme

Grouped by what each metric measures. Each figure is the change over the period shown — ▲ up ▼ down versus then.

Change over 1 year

Valuation
Market cap ▲+1529.3%EV / Sales ▲+1374.9%EV / EBITDA ▼-172.7%EV / Op. cash flow ▼-96.898Earnings yield ▲+0.018
Profitability
Return on equity ▲+3.125Return on assets ▼-0.398Return on invested capital ▼-0.213Return on capital employed ▼-0.213Operating ROA ▼-0.104Income quality ▼-0.508Tax burden ▼-0.018
Efficiency
Days sales outstanding ▲+247.657Days payables outstanding ▲+208.589Operating cycle ▲+1282.930Cash conversion cycle ▲+1074.341Capex / Sales ▼-3.291R&D / Sales ▲+1.722
Balance-sheet strength
Current ratio ▼-7.299Net debt / EBITDA ▼-1.687Working capital ▲+4821790.000Invested capital ▲+4731227.000Intangibles / Total assets ▼-0.201

Change over 5 years

Valuation
Market cap ▲+361.7%EV / Sales n/aEV / EBITDA ▼-592.3%EV / Op. cash flow ▲+133.502Earnings yield ▼-0.060
Profitability
Return on equity ▲+2.831Return on assets ▼-0.677Return on invested capital ▼-0.419Return on capital employed ▼-0.420Operating ROA ▼-0.496Income quality ▲+0.873Tax burden -0.000
Efficiency
Days sales outstanding n/aDays payables outstanding n/aOperating cycle n/aCash conversion cycle n/aCapex / Sales n/aR&D / Sales n/a
Balance-sheet strength
Current ratio ▲+5.819Net debt / EBITDA ▲+0.741Working capital ▲+9893814.000Invested capital ▲+12571363.000Intangibles / Total assets n/a

Employee count

No employee-count data synced.

Peer market caps

Congressional trades

STOCK Act disclosures (90-day window)

Amounts are STOCK Act brackets as disclosed. Quorum does not turn a bracket into an exact price or a midpoint.

No STOCK Act disclosures for this company in this window.

Recent news