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PTGX · 10-Q filed May 5, 2026

PTGX earnings analysis

What we found in PTGX's 10-Q: the parts that mattered, the offsets in the same document, and what the company said about what comes next.

Our reading of the filing · Free to read, no account needed

Protagonist Therapeutics reported robust results for Q1 2026 with total revenue reaching $56.4 million, a substantial increase from $28.3 million in the prior year, marking a 100% growth. The company also posted a net income of $3.8 million, a significant recovery from a loss of $11.7 million in Q1 2025, showcasing improved operational efficiency and successful collaboration agreements.

What stood out

The parts that mattered.

Pulled out of the filing itself, with the figures the company reported.

Revenue Growth
Total revenue surged to $56.4 million, doubling from $28.3 million in Q1 2025.
Net Income Turnaround
Net income rose to $3.8 million from a loss of $11.7 million in the previous year.
Increased Collaboration Revenue
$50 million milestone payment from JNJ boosted overall collaboration revenue significantly.
Cash Position Maintained
Cash, cash equivalents, and marketable securities stood at $620.3 million, down from $646 million but still strong.
R&D Investment Rising
R&D expenses increased by $10.8 million to $46.7 million driven by advances in clinical programs.
Operational Efficiency
Significant improvement in loss from operations, reduced to $3.6 million from $19.3 million year-over-year.
What to watch

And the other side of it.

The offsets in the same document — the things a summary that only listed the good news would have left out.

High Cash Burn Rate
Operating cash flow showed a significant outflow of $48.9 million for Q1 2026, compared to a positive inflow of $125.4 million in Q1 2025.
Variable Revenue Streams
License revenues highly dependent on achieving regulatory and sales milestones which are unpredictable.
Increased R&D Expenditures
Projected increase in R&D costs as the company advances multiple clinical candidates could affect profitability.
The numbers

What they reported.

What the company itself reported, taken out of the document.

Earnings per share
$0.05
Guidance

What they said about what is next.

Outlook suggests anticipation of additional royalties and milestone payments from recent collaborations.

How we read the filing overall

The filing reads better than the one before it.

One reading of one document. It is not advice, and it is not a forecast.
Earlier filings

What came before.

10-K · February 25, 2026
Protagonist’s 2025 10-K shows a biotech developer transitioning from development to potential near-term commercial milestones: JNJ submitted an NDA for Icotyde (July 2025 U.S., September 2025 EMA filing) and Takeda…
10-Q · May 6, 2025
Protagonist reported Q1 2025 license and collaboration revenue of $28.3M, down sharply from $254.95M in Q1 2024 and down ~83% vs the prior quarter (Q4 2024 $171.0M). The company swung to an operating loss of $19.31M…
10-K · February 21, 2025
Protagonist’s 2024 10-K highlights material de-risking events: a $300.0 million upfront from Takeda (received April 2024), a $165.0 million Phase‑3 milestone under the JNJ collaboration (earned Q4 2024; received Jan…
10-K · February 27, 2024
Protagonist Therapeutics is advancing two late-stage peptide programs (rusfertide for polycythemia vera and JNJ-2113, an oral IL-23R antagonist) and has monetized program risk through collaborations with Takeda and JNJ.…

This is our reading of a public filing, not the filing. Read the original on SEC.gov · Educational only. Nothing here is investment advice.

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