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SELLAS Life Sciences Group (SLS) pipeline and stated timing

Name in SEC filings: SELLAS Life Sciences Group, Inc.

Pipeline at a glance

ProgramEventStageStated timingFiling
SLS009/data readoutPhase 2fourth quarter of 20268-K ·

Source: ORION, orionbiotechai.com/company/SLS, data as of Oct 18, 2026
https://www.orionbiotechai.com/company/SLS

Nearest upcoming stated timing: SLS009 · Topline/data readout · fourth quarter of 2026

SEC sources last checked .

Programs and stated timing

○ Quote matched to filing (not yet reviewed by founder) · ✓ Checked by founder.

How this date was described over time

Company periods and sentences are quoted as written. A matching disclosure uses the SEC filing date for the same program and event type. As of .

Program / eventStated period and SEC wordingDisclosure in stated period
SLS009Clinical resultsfourth quarter of 2026
“with topline data expected in the fourth quarter of 2026.”

Filed · EX-99.1

Still within period

As of Oct 19, 2026

SLS009Clinical results 2026
“The topline data are expected in Q4 2026.”

Filed · EX-99.1

Not compared

ORION has no confirmed start and end dates for this wording, so it is not compared with filings.

“Not compared” means ORION has not matched this wording against a complete set of SEC filings for its period. It says nothing either way about whether a matching filing exists. Wording without exact dates is not given calendar dates.

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Reading these records

First stated window
The timing wording in the earliest company statement located within the sources checked, quoted as written (for example “2H 2026”). An earlier statement may exist outside those sources.
Disclosure date
The date of the filing or company release that disclosed the readout. “None found” means no such disclosure was located in the sources checked. SEC filings were searched through the “SEC filings searched through” date shown.
1H, 2H, 1Q–4Q
First or second half, or first to fourth quarter, of the year named, as the company wrote it. Equivalent notations are compared together; the original wording stays visible.
SEC original
The filing as published on the SEC EDGAR system. “Company original” is the release on the company's own investor site.
Status
One of seven labels set by founder review of the original filings. Definitions: Methodology.

See SLS in the calendar · Review labels and methodology

Topline results are the main summary results of a clinical trial, released before the full data.Q1–Q4 (also written 1Q–4Q) are quarters of the year: Q1 is January–March, Q2 April–June, Q3 July–September and Q4 October–December, unless the company uses a different fiscal year.