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Side-by-side financial comparison of OPTICAL CABLE CORP (OCC) and ROCKWELL MEDICAL, INC. (RMTI). Click either name above to swap in a different company.

OPTICAL CABLE CORP is the larger business by last-quarter revenue ($19.8M vs $18.3M, roughly 1.1× ROCKWELL MEDICAL, INC.). OPTICAL CABLE CORP runs the higher net margin — 0.2% vs -3.0%, a 3.3% gap on every dollar of revenue. On growth, OPTICAL CABLE CORP posted the faster year-over-year revenue change (1.8% vs -25.6%). ROCKWELL MEDICAL, INC. produced more free cash flow last quarter ($2.2M vs $718.8K). Over the past eight quarters, OPTICAL CABLE CORP's revenue compounded faster (15.5% CAGR vs -10.1%).

Optical Cable Corporation, headquartered in Roanoke, Virginia, manufactures fiber optical cable. The company's cable is largely used for telecommunications and is sold both in the US and seventy other countries worldwide. OCC also manufactures military land tactical fiber optic cable for the U.S. military.

Rockwell Medical Inc. is a publicly traded pharmaceutical company based in Wixom, Michigan and founded in 1996 that focuses on development and commercialization of treatments against diseases such as end-stage renal disease (ESRD) and chronic kidney disease (CKD).

OCC vs RMTI — Head-to-Head

Bigger by revenue
OCC
OCC
1.1× larger
OCC
$19.8M
$18.3M
RMTI
Growing faster (revenue YoY)
OCC
OCC
+27.4% gap
OCC
1.8%
-25.6%
RMTI
Higher net margin
OCC
OCC
3.3% more per $
OCC
0.2%
-3.0%
RMTI
More free cash flow
RMTI
RMTI
$1.5M more FCF
RMTI
$2.2M
$718.8K
OCC
Faster 2-yr revenue CAGR
OCC
OCC
Annualised
OCC
15.5%
-10.1%
RMTI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OCC
OCC
RMTI
RMTI
Revenue
$19.8M
$18.3M
Net Profit
$48.6K
$-554.0K
Gross Margin
31.9%
21.1%
Operating Margin
1.4%
-2.2%
Net Margin
0.2%
-3.0%
Revenue YoY
1.8%
-25.6%
Net Profit YoY
-87.0%
26.7%
EPS (diluted)
$-0.01

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
OCC
OCC
RMTI
RMTI
Q4 25
$19.8M
$18.3M
Q3 25
$19.9M
$15.9M
Q2 25
$17.5M
$16.1M
Q1 25
$15.7M
$18.9M
Q4 24
$19.5M
$24.7M
Q3 24
$16.2M
$28.3M
Q2 24
$16.1M
$25.8M
Q1 24
$14.9M
$22.7M
Net Profit
OCC
OCC
RMTI
RMTI
Q4 25
$48.6K
$-554.0K
Q3 25
$301.9K
$-1.8M
Q2 25
$-697.9K
$-1.5M
Q1 25
$-1.1M
$-1.5M
Q4 24
$373.5K
$-756.0K
Q3 24
$-1.6M
$1.7M
Q2 24
$-1.6M
$343.0K
Q1 24
$-1.4M
$-1.7M
Gross Margin
OCC
OCC
RMTI
RMTI
Q4 25
31.9%
21.1%
Q3 25
31.7%
14.3%
Q2 25
30.4%
15.6%
Q1 25
29.4%
16.1%
Q4 24
33.5%
14.7%
Q3 24
24.2%
22.0%
Q2 24
25.1%
17.6%
Q1 24
25.0%
13.5%
Operating Margin
OCC
OCC
RMTI
RMTI
Q4 25
1.4%
-2.2%
Q3 25
2.8%
-9.9%
Q2 25
-2.4%
-8.4%
Q1 25
-5.4%
-7.2%
Q4 24
3.4%
-2.1%
Q3 24
-8.2%
6.8%
Q2 24
-8.1%
2.0%
Q1 24
-9.4%
-5.8%
Net Margin
OCC
OCC
RMTI
RMTI
Q4 25
0.2%
-3.0%
Q3 25
1.5%
-11.0%
Q2 25
-4.0%
-9.3%
Q1 25
-7.0%
-8.0%
Q4 24
1.9%
-3.1%
Q3 24
-9.6%
5.9%
Q2 24
-9.9%
1.3%
Q1 24
-9.6%
-7.6%
EPS (diluted)
OCC
OCC
RMTI
RMTI
Q4 25
$-0.01
Q3 25
$-0.05
Q2 25
$-0.05
Q1 25
$-0.04
Q4 24
$-0.02
Q3 24
$0.04
Q2 24
$0.01
Q1 24
$-0.18
$-0.06

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
OCC
OCC
RMTI
RMTI
Cash + ST InvestmentsLiquidity on hand
$237.5K
$10.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$16.5M
$37.0M
Total Assets
$40.1M
$57.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OCC
OCC
RMTI
RMTI
Q4 25
$237.5K
$10.7M
Q3 25
$421.4K
$13.6M
Q2 25
$894.3K
$12.5M
Q1 25
$128.3K
$11.4M
Q4 24
$244.2K
$15.7M
Q3 24
$796.7K
$12.3M
Q2 24
$1.1M
$11.9M
Q1 24
$221.0K
$6.6M
Stockholders' Equity
OCC
OCC
RMTI
RMTI
Q4 25
$16.5M
$37.0M
Q3 25
$18.2M
$37.0M
Q2 25
$19.1M
$30.4M
Q1 25
$19.7M
$31.5M
Q4 24
$20.8M
$32.6M
Q3 24
$20.4M
$29.1M
Q2 24
$21.8M
$23.5M
Q1 24
$23.3M
$20.6M
Total Assets
OCC
OCC
RMTI
RMTI
Q4 25
$40.1M
$57.1M
Q3 25
$40.2M
$57.5M
Q2 25
$39.1M
$52.6M
Q1 25
$37.8M
$54.0M
Q4 24
$40.4M
$59.2M
Q3 24
$37.6M
$57.1M
Q2 24
$39.9M
$53.0M
Q1 24
$40.5M
$50.7M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
OCC
OCC
RMTI
RMTI
Operating Cash FlowLast quarter
$797.3K
$2.3M
Free Cash FlowOCF − Capex
$718.8K
$2.2M
FCF MarginFCF / Revenue
3.6%
12.0%
Capex IntensityCapex / Revenue
0.4%
0.5%
Cash ConversionOCF / Net Profit
16.40×
TTM Free Cash FlowTrailing 4 quarters
$1.1M
$-1.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OCC
OCC
RMTI
RMTI
Q4 25
$797.3K
$2.3M
Q3 25
$-2.2M
$-1.3M
Q2 25
$141.4K
$1.8M
Q1 25
$2.7M
$-3.5M
Q4 24
$-1.5M
$865.0K
Q3 24
$552.4K
$4.3M
Q2 24
$373.7K
$1.4M
Q1 24
$-261.1K
$-2.4M
Free Cash Flow
OCC
OCC
RMTI
RMTI
Q4 25
$718.8K
$2.2M
Q3 25
$-2.3M
$-1.5M
Q2 25
$73.4K
$1.7M
Q1 25
$2.6M
$-3.5M
Q4 24
$-1.6M
$470.0K
Q3 24
$475.2K
$4.1M
Q2 24
$218.2K
$1.2M
Q1 24
$-341.5K
$-2.5M
FCF Margin
OCC
OCC
RMTI
RMTI
Q4 25
3.6%
12.0%
Q3 25
-11.4%
-9.6%
Q2 25
0.4%
10.5%
Q1 25
16.5%
-18.8%
Q4 24
-8.1%
1.9%
Q3 24
2.9%
14.4%
Q2 24
1.4%
4.5%
Q1 24
-2.3%
-11.1%
Capex Intensity
OCC
OCC
RMTI
RMTI
Q4 25
0.4%
0.5%
Q3 25
0.4%
1.4%
Q2 25
0.4%
1.0%
Q1 25
0.5%
0.3%
Q4 24
0.3%
1.6%
Q3 24
0.5%
0.7%
Q2 24
1.0%
1.1%
Q1 24
0.5%
0.6%
Cash Conversion
OCC
OCC
RMTI
RMTI
Q4 25
16.40×
Q3 25
-7.29×
Q2 25
Q1 25
Q4 24
-4.08×
Q3 24
2.57×
Q2 24
4.20×
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

OCC
OCC

Segment breakdown not available.

RMTI
RMTI

US$15.9M87%
Non Us$2.4M13%

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