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Side-by-side financial comparison of Joby Aviation, Inc. (JOBY) and ROCKWELL MEDICAL, INC. (RMTI). Click either name above to swap in a different company.

Joby Aviation, Inc. is the larger business by last-quarter revenue ($30.8M vs $18.3M, roughly 1.7× ROCKWELL MEDICAL, INC.). On growth, Joby Aviation, Inc. posted the faster year-over-year revenue change (55965.5% vs -25.6%). ROCKWELL MEDICAL, INC. produced more free cash flow last quarter ($2.2M vs $-563.8M).

Joby Aviation is a United States venture-backed aviation company, developing an electric vertical takeoff and landing (eVTOL) aircraft that it intends to operate as an air taxi service. Joby Aviation is headquartered in Santa Cruz, California and has offices in San Carlos, California; Marina, California; and Munich, Germany.

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).

JOBY vs RMTI — Head-to-Head

Bigger by revenue
JOBY
JOBY
1.7× larger
JOBY
$30.8M
$18.3M
RMTI
Growing faster (revenue YoY)
JOBY
JOBY
+55991.1% gap
JOBY
55965.5%
-25.6%
RMTI
More free cash flow
RMTI
RMTI
$566.0M more FCF
RMTI
$2.2M
$-563.8M
JOBY

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
JOBY
JOBY
RMTI
RMTI
Revenue
$30.8M
$18.3M
Net Profit
$-554.0K
Gross Margin
21.1%
Operating Margin
-2.2%
Net Margin
-3.0%
Revenue YoY
55965.5%
-25.6%
Net Profit YoY
50.7%
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
JOBY
JOBY
RMTI
RMTI
Q4 25
$30.8M
$18.3M
Q3 25
$22.6M
$15.9M
Q2 25
$16.1M
Q1 25
$0
$18.9M
Q4 24
$24.7M
Q3 24
$28.3M
Q2 24
$25.8M
Q1 24
$22.7M
Net Profit
JOBY
JOBY
RMTI
RMTI
Q4 25
$-554.0K
Q3 25
$-401.2M
$-1.8M
Q2 25
$-1.5M
Q1 25
$-82.4M
$-1.5M
Q4 24
$-756.0K
Q3 24
$1.7M
Q2 24
$343.0K
Q1 24
$-1.7M
Gross Margin
JOBY
JOBY
RMTI
RMTI
Q4 25
21.1%
Q3 25
14.3%
Q2 25
15.6%
Q1 25
16.1%
Q4 24
14.7%
Q3 24
22.0%
Q2 24
17.6%
Q1 24
13.5%
Operating Margin
JOBY
JOBY
RMTI
RMTI
Q4 25
-2.2%
Q3 25
-804.8%
-9.9%
Q2 25
-8.4%
Q1 25
-7.2%
Q4 24
-2.1%
Q3 24
6.8%
Q2 24
2.0%
Q1 24
-5.8%
Net Margin
JOBY
JOBY
RMTI
RMTI
Q4 25
-3.0%
Q3 25
-1777.4%
-11.0%
Q2 25
-9.3%
Q1 25
-8.0%
Q4 24
-3.1%
Q3 24
5.9%
Q2 24
1.3%
Q1 24
-7.6%
EPS (diluted)
JOBY
JOBY
RMTI
RMTI
Q4 25
$-0.01
Q3 25
$-0.48
$-0.05
Q2 25
$-0.05
Q1 25
$-0.11
$-0.04
Q4 24
$-0.02
Q3 24
$0.04
Q2 24
$0.01
Q1 24
$-0.06

Balance Sheet & Financial Strength

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

Metric
JOBY
JOBY
RMTI
RMTI
Cash + ST InvestmentsLiquidity on hand
$1.4B
$10.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.4B
$37.0M
Total Assets
$1.8B
$57.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
JOBY
JOBY
RMTI
RMTI
Q4 25
$1.4B
$10.7M
Q3 25
$978.1M
$13.6M
Q2 25
$12.5M
Q1 25
$812.5M
$11.4M
Q4 24
$15.7M
Q3 24
$12.3M
Q2 24
$11.9M
Q1 24
$6.6M
Stockholders' Equity
JOBY
JOBY
RMTI
RMTI
Q4 25
$1.4B
$37.0M
Q3 25
$896.5M
$37.0M
Q2 25
$30.4M
Q1 25
$859.4M
$31.5M
Q4 24
$32.6M
Q3 24
$29.1M
Q2 24
$23.5M
Q1 24
$20.6M
Total Assets
JOBY
JOBY
RMTI
RMTI
Q4 25
$1.8B
$57.1M
Q3 25
$1.4B
$57.5M
Q2 25
$52.6M
Q1 25
$1.1B
$54.0M
Q4 24
$59.2M
Q3 24
$57.1M
Q2 24
$53.0M
Q1 24
$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
JOBY
JOBY
RMTI
RMTI
Operating Cash FlowLast quarter
$-509.9M
$2.3M
Free Cash FlowOCF − Capex
$-563.8M
$2.2M
FCF MarginFCF / Revenue
-1828.4%
12.0%
Capex IntensityCapex / Revenue
174.9%
0.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-930.7M
$-1.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
JOBY
JOBY
RMTI
RMTI
Q4 25
$-509.9M
$2.3M
Q3 25
$-139.2M
$-1.3M
Q2 25
$1.8M
Q1 25
$-111.0M
$-3.5M
Q4 24
$865.0K
Q3 24
$4.3M
Q2 24
$1.4M
Q1 24
$-2.4M
Free Cash Flow
JOBY
JOBY
RMTI
RMTI
Q4 25
$-563.8M
$2.2M
Q3 25
$-152.2M
$-1.5M
Q2 25
$1.7M
Q1 25
$-125.9M
$-3.5M
Q4 24
$470.0K
Q3 24
$4.1M
Q2 24
$1.2M
Q1 24
$-2.5M
FCF Margin
JOBY
JOBY
RMTI
RMTI
Q4 25
-1828.4%
12.0%
Q3 25
-674.3%
-9.6%
Q2 25
10.5%
Q1 25
-18.8%
Q4 24
1.9%
Q3 24
14.4%
Q2 24
4.5%
Q1 24
-11.1%
Capex Intensity
JOBY
JOBY
RMTI
RMTI
Q4 25
174.9%
0.5%
Q3 25
57.7%
1.4%
Q2 25
1.0%
Q1 25
0.3%
Q4 24
1.6%
Q3 24
0.7%
Q2 24
1.1%
Q1 24
0.6%
Cash Conversion
JOBY
JOBY
RMTI
RMTI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
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

JOBY
JOBY

Segment breakdown not available.

RMTI
RMTI

US$15.9M87%
Non Us$2.4M13%

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