CLGN Stock Price Chart
Daily OHLCV with technical indicators — pan, zoom, and customize your view
04
range
bars
Bar granularity adapts to the selected period — hover the chart to see open/high/low/close for a bar.
Stock splits1
Ex-date
Split
Type
Sept. 4, 2026
1-for-10
Reverse
10-Year Performance
Revenue, net income, margins and EPS trends
06
Revenue$2M2017-12-31 → 2025-12-31
EPS$-0.942019-12-31 → 2025-12-31
Free Cash Flow$-9M2019-12-31 → 2025-12-31
Net margin-484.6%2019-12-31 → 2025-12-31
Valuation & Ratios07–12
Valuation
P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?
Metric
5Y trend
CLGN
5Y avg
Peer Median
Verdict
P/E
-3.75Y avg ≈159.7
≈159.7
·
·
P/S
18.75Y avg ≈81.3
≈81.3
·
·
P/B
7.35Y avg ≈3.1
≈3.1
8.4
Undervalued
Price / FCF
-4.75Y avg ≈26.8
≈26.8
·
·
Price / Cash Flow
-4.75Y avg ≈6.5
≈6.5
·
·
Price / Tangible Book
7.45Y avg ≈3.1
≈3.1
·
·
Peer median is calculated on a standardized basis per metric and may not always match the TTM/MRQ basis shown for this stock.
Profitability
Gross, operating and net margins; ROE, ROA, ROIC
Metric
5Y trend
CLGN
5Y avg
Peer Median
Verdict
Gross Margin
64.8%5Y avg ≈-3.1%
≈-3.1%
29.3%
Top tier
Operating Margin
-484.3%5Y avg ≈-1924.0%
≈-1924.0%
-424.3%
Weak
EBITDA Margin
-445.8%5Y avg ≈-1874.0%
≈-1874.0%
-405.0%
Weak
Net Profit Margin
-484.6%5Y avg ≈-1886.5%
≈-1886.5%
-352.4%
Weak
ROA
-77.9%5Y avg ≈-39.5%
≈-39.5%
-63.1%
Weak
ROE
-117.6%5Y avg ≈-52.6%
≈-52.6%
-69.5%
Weak
Financial Health
Debt, liquidity, solvency — balance sheet strength
Metric
5Y trend
CLGN
5Y avg
Peer Median
Verdict
Current Ratio
2.55Y avg ≈8.1
≈8.1
3.2
Below avg
Quick Ratio
2.15Y avg ≈5.7
≈5.7
1.6
Strong liquidity
Growth
Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR
No data for this ratio group yet
Not enough fundamentals data to compute this ratio group yet.
Per Share Metrics
EPS, book value per share, cash flow per share, dividend per share
Metric
5Y trend
CLGN
5Y avg
Peer Median
Verdict
EPS (Diluted)
$-0.945Y avg ≈$-0.90
≈$-0.90
·
·
Revenue / Share
$0.195Y avg ≈$0.51
≈$0.51
·
·
Cash Flow / Share
$-0.775Y avg ≈$-0.66
≈$-0.66
·
·
Cash / Share
$0.445Y avg ≈$1.56
≈$1.56
·
·
Capital Efficiency
Asset turnover, inventory turnover, receivables turnover
Metric
5Y trend
CLGN
5Y avg
Peer Median
Verdict
Asset Turnover
0.25Y avg ≈0.2
≈0.2
0.1
In line
Inventory Turnover
1.65Y avg ≈1.7
≈1.7
·
·
Receivables Turnover
31.45Y avg ≈17.2
≈17.2
·
·
Revenue / Employee
≈$60.8K
·
·
·
value · ≈ 5Y avg · industry median · verdict relative to median
Earnings History
EPS actual vs estimate, surprise %, beat rate, next earnings date
14
Avg Surprise-128.2%
Period
Report
EPS Actual
EPS Est
Surprise
Dec. 31, 2025
$-2.60
$-1.94
-34.2%
Sept. 30, 2025
$-0.27
$0.16
-270.8%
June 30, 2025
$-0.28
$-0.14
-96.1%
March 31, 2025
$-0.13
$-0.04
-218.6%
Dec. 31, 2024
$-0.34
$-0.28
-21.2%
Full Fundamentals
All metrics by year — income statement, balance sheet, cash flow
15
Income Statement17
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Revenue
$2M
$515.0K
$11M
$299.0K
$16M
$6M
$2M
$5M
Cost of Revenue
$835.0K
$2M
$2M
$400.0K
$2M
$3M
$2M
$2M
Gross Profit
$2M
$-1M
$9M
$-101.0K
$14M
$3M
$439.0K
$3M
R&D Expense
$8M
$11M
$10M
$10M
$8M
$4M
$4M
$4M
SG&A Expense
$5M
$6M
$6M
$7M
$6M
$5M
$4M
$4M
Operating Expenses
·
·
·
·
·
$34.0K
$3M
$2M
Operating Income
$-11M
$-17M
$-8M
$-17M
$65.0K
$-6M
$-8M
$-4M
Interest Expense
·
·
·
·
·
·
$3M
$2M
Interest Income
$380.0K
$738.0K
$788.0K
$321.0K
$219.0K
·
·
·
Other Non-op
$-6.0K
$642.0K
$493.0K
$172.0K
$172.0K
$-175.0K
$-4M
·
Income Tax
·
$46M
$60M
·
·
·
·
·
Net Income
$-11M
$-17M
$-7M
$-17M
$237.0K
$-6M
$-11M
$-6M
EPS (Basic)
$-0.94
$-1.45
$-0.62
$-1.53
$0.02
$-0.84
$-2.23
·
EPS (Diluted)
$-0.94
$-1.45
$-0.62
$-1.53
$0.02
$-0.84
$-2.23
·
Shares (Basic)
12,203,269
11,454,180
11,389,168
11,033,310
9,968,972
6,886,955
4,986,381
4,384,585
Shares (Diluted)
12,203,269
11,454,180
11,389,168
11,033,310
11,966,788
6,886,955
4,986,381
·
EBITDA
$-11M
$-16M
$-6M
$-17M
$65.0K
$-6M
$-8M
·
Balance Sheet22
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Cash & Equivalents
$6M
$12M
$27M
$30M
$13M
$3M
$4M
$5M
Receivables
$1.0K
$150.0K
·
$9.0K
$270.0K
$830.0K
$79.0K
·
Inventory
$573.0K
$440.0K
$714.0K
$1M
$1M
$1M
$888.0K
$814.0K
Prepaid Expense
$223.0K
$433.0K
$393.0K
$543.0K
$424.0K
$239.0K
$270.0K
·
Current Assets
$7M
$13M
$28M
$32M
$45M
$6M
$5M
$7M
PP&E (Net)
$1M
$2M
$3M
$3M
$3M
$2M
$2M
$1M
PP&E (Gross)
$9M
$9M
$9M
$8M
$7M
$6M
$5M
·
Accum. Depreciation
$8M
$7M
$6M
$5M
$4M
$3M
$3M
·
Intangibles
$73.0K
$131.0K
$188.0K
$245.0K
$243.0K
$82.0K
·
·
Total Assets
$11M
$19M
$34M
$38M
$51M
$11M
$11M
$9M
Short-term Debt
·
·
·
$321.0K
$219.0K
·
·
·
Current Liabilities
$3M
$3M
$3M
$3M
$3M
$3M
$3M
$2M
Capital Leases
$2M
$2M
$3M
$2M
$3M
$3M
$3M
·
Total Liabilities
$5M
$5M
$6M
$5M
$6M
$6M
$7M
$3M
Long-term Debt
·
·
·
·
$30.0K
$11.0K
$63.0K
·
Total Debt
·
·
·
$321.0K
$219.0K
·
·
·
Common Stock
$5M
$5M
$5M
$5M
$5M
$3M
$2M
·
Retained Earnings
$-125M
$-113M
$-97M
$-90M
$-73M
$-73M
$-67M
$-56M
AOCI
$-969.0K
$-969.0K
$-969.0K
$-969.0K
·
·
·
·
Stockholders' Equity
$6M
$13M
$28M
$32M
$45M
$4M
$4M
$5M
Liabilities + Equity
$11M
$19M
$34M
$38M
$51M
$11M
$11M
·
Shares Outstanding
12,803,006
11,454,512
11,452,672
11,186,481
10,722,024
6,963,838
5,670,829
·
Cash Flow12
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
D&A
$912.0K
$1M
$1M
$1M
$773.0K
$660.0K
$539.0K
$342.0K
Stock-based Comp
$999.0K
$2M
$2M
$2M
$2M
·
·
·
Other Non-cash
$159.0K
$-241.0K
$1M
·
·
·
·
·
Operating Cash Flow
$-9M
$-14M
$-3M
$-14M
$3M
$-4M
$-6M
$-1M
CapEx
$28.0K
$483.0K
$954.0K
$1M
$1M
$437.0K
$1M
$832.0K
Investing Cash Flow
$-27.0K
$-539.0K
$-1M
$29M
$-32M
$-519.0K
$-1M
$-832.0K
Stock Issued
·
·
·
·
$50.0K
·
·
·
Net Stock Activity
·
·
·
·
$50.0K
·
·
·
Financing Cash Flow
$3M
$9.0K
$1M
$2M
$39M
$4M
$5M
$3M
Net Change in Cash
$-6M
$-15M
$-3M
$16M
$10M
$-445.0K
·
·
Taxes Paid
$16.0K
$62.0K
$8.0K
$31.0K
·
·
·
$176.0K
Free Cash Flow
$-9M
$-15M
$-4M
$-15M
$1M
$-5M
$-7M
·
Profitability6
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Gross Margin
64.8%
-215.5%
81.8%
-33.8%
87.2%
51.1%
18.9%
·
Operating Margin
-484.3%
-3349.7%
-68.5%
-5718.1%
0.42%
-91.2%
-329.2%
·
Net Margin
-484.6%
-3225.1%
-64.0%
-5660.5%
1.5%
-94.1%
-481.6%
·
EBITDA Margin
-445.8%
-3148.2%
-58.5%
-5718.1%
0.42%
-91.2%
-329.2%
·
ROA
-77.9%
-62.9%
-19.5%
-38.0%
0.76%
-53.5%
-114.5%
·
ROE
-117.6%
-79.5%
-23.2%
-43.7%
0.96%
-134.8%
-234.8%
·
Liquidity & Solvency4
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Current Ratio
2.5
4.4
8.6
10.2
15.0
1.7
1.5
·
Quick Ratio
2.1
4.1
8.2
9.6
4.5
1.2
1.1
·
Debt / Equity
·
·
·
0.0
0.0
·
·
·
Interest Coverage
·
·
·
·
·
·
-2.3
·
Efficiency3
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Asset Turnover
0.2
0.0
0.3
0.0
0.5
0.6
0.2
·
Inventory Turnover
1.6
2.8
1.9
0.3
1.7
2.8
2.2
·
Receivables Turnover
31.4
6.9
·
2.1
28.4
13.5
·
·
Per Share5
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Book Value / Share
$0.47
$1.18
$2.47
$3.00
$4.19
$0.64
·
·
Revenue / Share
$0.19
$0.04
$0.96
$0.03
$1.31
·
·
·
Cash Flow / Share
$-0.77
$-1.23
$-0.24
$-1.24
$0.21
·
·
·
Cash / Share
$0.44
$1.04
$2.33
$2.75
$1.22
$0.48
·
·
EPS (TTM)
$-0.94
$-1.45
$-0.62
$-1.53
$0.02
$-0.84
$-2.23
·
Valuation (TTM)14
Metric
Trend
2025
2024
2023
2022
2021
2020
2019
2018
Revenue TTM
$2M
$515.0K
$11M
$299.0K
$16M
$6M
$2M
·
Net Income TTM
$-11M
$-17M
$-7M
$-17M
$237.0K
$-6M
$-11M
·
Market Cap
$18M
$41M
$73M
$90M
$176M
$75M
·
·
Enterprise Value
·
·
·
$61M
$163M
·
·
·
P/E
-1.5
-2.5
-10.3
-5.5
818.0
-12.8
-2.6
·
P/S
7.6
80.1
6.7
300.8
11.3
12.2
·
·
P/B
2.9
3.1
2.6
2.8
3.9
16.8
·
·
P / Tangible Book
3.0
3.1
2.6
2.8
3.9
17.1
·
·
P / Cash Flow
-1.9
-2.9
-26.5
-6.6
70.5
-16.9
·
·
P / FCF
-1.9
-2.8
-19.7
-6.0
164.2
-15.3
·
·
EV / EBITDA
·
·
·
-3.5
2512.3
·
·
·
EV / FCF
·
·
·
-4.0
152.2
·
·
·
EV / Revenue
·
·
·
202.7
10.4
·
·
·
Earnings Yield
-67.1%
-40.3%
-9.7%
-18.3%
0.12%
-7.8%
-39.1%
·
Valuation (TTM)2
Metric
Trend
Q4 2018
Q4 2017
Revenue TTM
$5M
$463.0K
Net Income TTM
$-6M
$-6M
Most recent period on the left · null values shown as ·
Financial Statements
Income statement, balance sheet, cash flow — annual, last 5 years
16
Metric
2025-12-31
2024-12-31
2023-12-31
2022-12-31
2021-12-31
Revenue
$2M
$515.0K
$11M
$299.0K
$16M
Gross Margin %
64.8%
-215.5%
81.8%
-33.8%
87.2%
Operating Margin %
-484.3%
-3349.7%
-68.5%
-5718.1%
0.42%
Net Income
$-11M
$-17M
$-7M
$-17M
$237.0K
Diluted EPS
$-0.94
$-1.45
$-0.62
$-1.53
$0.02
Metric
2025-12-31
2024-12-31
2023-12-31
2022-12-31
2021-12-31
Debt / Equity
·
·
·
0.0
0.0
Current Ratio
2.5
4.4
8.6
10.2
15.0
Quick Ratio
2.1
4.1
8.2
9.6
4.5
Metric
2025-12-31
2024-12-31
2023-12-31
2022-12-31
2021-12-31
Free Cash Flow
$-9M
$-15M
$-4M
$-15M
$1M
Institutional owners (13F)
16 filers
· $1.1M total
· As of June 30, 2026
17
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
Holders16
Value held$1.1M
New positions1
Exited positions6
Institutional activity — Q2 2026 vs prior quarter
New positions
Exited positions
Increased
Decreased
Net shares change
1 (-4 vs prior Q)
6 (+5 vs prior Q)
4 (-2 vs prior Q)
4 (0 vs prior Q)
+142K
Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.
Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.
Filer
Filed
Stake
Status
Purpose
Filing
Elizabeth S. Loewenbaum, George Walter Loewenbaum, Loewenbaum Lilian S., The Elizabeth Scott Loewenbaum 1992 Trust, The Loewenbaum 1992 Trust, The Loewenbaum Residence Trust FBO Anna Loewenbaum, The Waterproof Partnership, Ltd.
Loewenbaum Lilian S., George Walter Loewenbaum, Elizabeth S. Loewenbaum, The Loewenbaum 1992 Trust, The Waterproof Partnership, Ltd., The Loewenbaum Residence Trust FBO Anna Loewenbaum, The Elizabeth Scott Loewenbaum 1992 Trust, Patrick Chalmers, Reginald J. Hargrove, Nachum Shamir
×5 filings
Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.
Company insiders
2 insiders
· 2 officers · 0 directors