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Optionomics
RLYB · 10-Q filed May 13, 2026

RLYB earnings analysis

What we found in RLYB'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

Rallybio Corporation reported a significant revenue decline in Q4 2026, with revenue dropping to $38,000, missing estimates by 71.5%. Management indicated substantial operating losses of $8.3 million and a net loss per diluted share of -1.97, reflecting ongoing financial challenges, including a impact from a $50 million fee related to a terminated merger agreement.

What stood out

The parts that mattered.

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

Revenue Miss
Revenue of $38,000 fell short of estimates of $133,330 by 71.5%.
Operating Loss
Operating loss of $8.3 million, improved from a loss of $9.4 million in 2025.
Termination Fee Received
Received a $50 million termination fee from the canceled merger with Candid Therapeutics.
Cash Position
Cash, cash equivalents, and marketable securities totaled $46.8 million.
Decreased R&D Expenses
Research and development expenses decreased from $5.7 million in Q1 2025 to $2.9 million in Q1 2026.
No Product Revenue
Continues to operate without any product revenue.
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.

Loss of Merger Agreement
Termination of the merger with Candid Therapeutics resulted in a $50 million fee.
Ongoing Financial Losses
Net losses for the period were $8.3 million, indicating ongoing financial instability.
Cash Flow Risks
Net cash used in operating activities was $7.98 million, necessitating additional funding.
The numbers

What they reported.

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

What survived to operating profit
Of every $100 of revenue Cost of sales $0 Operating expenses $4136 Left as operating profit $-4036
Percentages of revenue, taken from the filing. Drawn this way because it holds whatever scale the company reports in.
Earnings per share
$-1.97
Gross margin
100%
Operating margin
-4035.5%
Guidance

What they said about what is next.

Outlook deferred to earnings press release / call.

How we read the filing overall

The filing reads worse 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 · March 16, 2026
Rallybio is a clinical-stage biotech focused on RLYB116 (a once-weekly, subcutaneous C5 inhibitor) and preclinical RLYB332. The company reported confirmatory Phase 1 results in 2025 (improved tolerability and complete,…
10-Q · November 6, 2025
Rallybio reported Q3 2025 revenue of $212,000 and GAAP net income of $16.0 million (EPS $0.36), driven primarily by a $22.48 million gain on the sale of its joint venture. Core operating results remain weak: Q3…
10-Q · August 7, 2025
Rallybio reported Q2 2025 collaboration revenue of $212,000 and a net loss of $(9,703) (per the condensed consolidated statements). Operating expenses fell materially year-over-year (R&D $6,074, G&A $4,195; amounts in…
10-Q · May 8, 2025
Rallybio reported $212,000 of revenue for Q1 2025 (first collaboration/license revenue) and a net loss of $9,439 (loss per share $(0.21)), an improvement versus Q1 2024 net loss of $19,029 (loss per share $(0.47)).…

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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