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Side-by-side financial comparison of Atara Biotherapeutics, Inc. (ATRA) and Professional Diversity Network, Inc. (IPDN). Click either name above to swap in a different company.

Professional Diversity Network, Inc. is the larger business by last-quarter revenue ($1.7M vs $1.6M, roughly 1.0× Atara Biotherapeutics, Inc.). On growth, Professional Diversity Network, Inc. posted the faster year-over-year revenue change (3.1% vs -95.1%). Over the past eight quarters, Professional Diversity Network, Inc.'s revenue compounded faster (-1.7% CAGR vs -75.9%).

Atara Biotherapeutics, Inc. is a clinical-stage biotechnology company focused on developing allogeneic T-cell immunotherapies for patients with unmet medical needs across oncology, autoimmune disease, and infectious disease indications. It operates primarily in North America, Europe, and Asia-Pacific, partnering with research institutions to advance its novel treatment pipeline.

Professional Diversity Network, Inc. is a U.S.-based firm offering end-to-end diversity, equity and inclusion (DEI) solutions for corporate clients. Its services include targeted recruitment support for underrepresented talent groups, customized DEI training programs, and diversity performance data analytics, serving clients across tech, healthcare, finance and other core commercial sectors nationwide.

ATRA vs IPDN — Head-to-Head

Bigger by revenue
IPDN
IPDN
1.0× larger
IPDN
$1.7M
$1.6M
ATRA
Growing faster (revenue YoY)
IPDN
IPDN
+98.2% gap
IPDN
3.1%
-95.1%
ATRA
Faster 2-yr revenue CAGR
IPDN
IPDN
Annualised
IPDN
-1.7%
-75.9%
ATRA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATRA
ATRA
IPDN
IPDN
Revenue
$1.6M
$1.7M
Net Profit
$-2.9M
Gross Margin
33.7%
Operating Margin
-173.2%
Net Margin
-173.5%
Revenue YoY
-95.1%
3.1%
Net Profit YoY
73.2%
-280.0%
EPS (diluted)

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
ATRA
ATRA
IPDN
IPDN
Q4 25
$1.6M
$1.7M
Q3 25
$3.5M
$1.7M
Q2 25
$17.6M
$1.6M
Q1 25
$98.1M
$1.5M
Q4 24
$32.8M
$1.6M
Q3 24
$40.2M
$1.7M
Q2 24
$28.6M
$1.7M
Q1 24
$27.4M
$1.7M
Net Profit
ATRA
ATRA
IPDN
IPDN
Q4 25
$-2.9M
Q3 25
$-4.3M
$-2.4M
Q2 25
$2.4M
$-476.0K
Q1 25
$38.0M
$-722.1K
Q4 24
$-12.7M
$-761.9K
Q3 24
$-21.9M
$-405.0K
Q2 24
$-19.0M
$-553.1K
Q1 24
$-31.8M
$-791.8K
Gross Margin
ATRA
ATRA
IPDN
IPDN
Q4 25
33.7%
Q3 25
44.0%
Q2 25
43.4%
Q1 25
52.2%
Q4 24
58.6%
Q3 24
58.9%
Q2 24
62.9%
Q1 24
62.2%
Operating Margin
ATRA
ATRA
IPDN
IPDN
Q4 25
-173.2%
Q3 25
-103.5%
-136.3%
Q2 25
18.2%
-30.2%
Q1 25
39.5%
-46.9%
Q4 24
-37.3%
-36.8%
Q3 24
-54.1%
-25.0%
Q2 24
-63.7%
-34.4%
Q1 24
-114.2%
-46.5%
Net Margin
ATRA
ATRA
IPDN
IPDN
Q4 25
-173.5%
Q3 25
-124.6%
-136.2%
Q2 25
13.6%
-29.0%
Q1 25
38.7%
-48.0%
Q4 24
-38.8%
-47.1%
Q3 24
-54.5%
-23.9%
Q2 24
-66.5%
-32.7%
Q1 24
-116.1%
-45.9%
EPS (diluted)
ATRA
ATRA
IPDN
IPDN
Q4 25
Q3 25
$-0.32
Q2 25
$0.19
Q1 25
$3.50
Q4 24
$0.27
Q3 24
$-2.93
Q2 24
$-3.10
Q1 24
$-5.65

Balance Sheet & Financial Strength

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

Metric
ATRA
ATRA
IPDN
IPDN
Cash + ST InvestmentsLiquidity on hand
$8.5M
$217.0K
Total DebtLower is stronger
Stockholders' EquityBook value
$-38.5M
$11.7M
Total Assets
$20.2M
$17.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATRA
ATRA
IPDN
IPDN
Q4 25
$8.5M
$217.0K
Q3 25
$13.7M
$265.3K
Q2 25
$22.3M
$125.1K
Q1 25
$13.8M
$496.4K
Q4 24
$42.5M
$1.7M
Q3 24
$67.2M
$133.7K
Q2 24
$35.3M
$619.3K
Q1 24
$46.2M
$97.1K
Stockholders' Equity
ATRA
ATRA
IPDN
IPDN
Q4 25
$-38.5M
$11.7M
Q3 25
$-36.6M
$8.9M
Q2 25
$-35.0M
$4.5M
Q1 25
$-55.1M
$4.9M
Q4 24
$-97.3M
$5.3M
Q3 24
$-90.5M
$2.1M
Q2 24
$-110.9M
$2.5M
Q1 24
$-98.3M
$2.3M
Total Assets
ATRA
ATRA
IPDN
IPDN
Q4 25
$20.2M
$17.9M
Q3 25
$30.2M
$12.1M
Q2 25
$36.9M
$7.3M
Q1 25
$62.0M
$7.7M
Q4 24
$109.1M
$8.0M
Q3 24
$142.7M
$5.3M
Q2 24
$117.3M
$5.8M
Q1 24
$165.3M
$5.7M

Cash Flow & Capital Efficiency

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

Metric
ATRA
ATRA
IPDN
IPDN
Operating Cash FlowLast quarter
$-50.9M
$1.4M
Free Cash FlowOCF − Capex
$1.4M
FCF MarginFCF / Revenue
84.4%
Capex IntensityCapex / Revenue
0.0%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATRA
ATRA
IPDN
IPDN
Q4 25
$-50.9M
$1.4M
Q3 25
$-9.8M
$-2.7M
Q2 25
$-7.3M
$-495.5K
Q1 25
$-28.1M
$-284.1K
Q4 24
$-24.5M
$-1.2M
Q3 24
$-4.0M
$-556.9K
Q2 24
$-10.6M
$-224.4K
Q1 24
$-29.6M
$-543.1K
Free Cash Flow
ATRA
ATRA
IPDN
IPDN
Q4 25
$1.4M
Q3 25
$-2.7M
Q2 25
$-499.5K
Q1 25
Q4 24
$-24.6M
$-1.2M
Q3 24
$-558.9K
Q2 24
$-10.7M
$-225.9K
Q1 24
$-29.7M
$-543.6K
FCF Margin
ATRA
ATRA
IPDN
IPDN
Q4 25
84.4%
Q3 25
-156.8%
Q2 25
-30.4%
Q1 25
Q4 24
-75.0%
-74.0%
Q3 24
-33.0%
Q2 24
-37.3%
-13.4%
Q1 24
-108.7%
-31.5%
Capex Intensity
ATRA
ATRA
IPDN
IPDN
Q4 25
0.0%
0.0%
Q3 25
0.0%
0.0%
Q2 25
0.0%
0.2%
Q1 25
0.0%
0.0%
Q4 24
0.3%
1.3%
Q3 24
0.0%
0.1%
Q2 24
0.1%
0.1%
Q1 24
0.5%
0.0%
Cash Conversion
ATRA
ATRA
IPDN
IPDN
Q4 25
Q3 25
Q2 25
-3.07×
Q1 25
-0.74×
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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