ALEC — what changed in the latest 10-Q
A section-by-section comparison of ALEC's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-08-06 vs the prior 10-Q · 2026-05-07
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +38 | −27 | ~13 | 30 |
| Market risk (Item 3) | No paragraph-level changes | 0 | 0 | 0 | 1 |
| Controls & procedures | Text added/removed | 0 | 0 | ~2 | 1 |
| Legal proceedings | No paragraph-level changes | 0 | 0 | 0 | 1 |
| Risk factors | Text added/removed | +34 | −38 | ~39 | 496 |
| Other information | Text added/removed | 0 | 0 | ~1 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-08-06
We are a biotechnology company focused on discovering and developing therapies for neurodegenerative diseases with high unmet medical need, including Alzheimer’s disease and Parkinson’s disease. Our wholly owned pipeline is built around the Alector Brain Carrier (ABC) platform, a proprietary blood-b…
The ABC platform is designed to enhance brain exposure while optimizing both safety and efficacy. Built on the principles of versatility, translatability, and differentiated binding to a distinct region of the transferrin receptor (TfR), the platform supports efficient delivery of therapeutic cargos…
Our next-generation portfolio, built on the ABC platform and distinct from our prior clinical programs, is designed to address neurodegenerative diseases through targeted mechanisms, including the removal of pathogenic proteins, replacement of deficient proteins, and restoration of normal cellular f…
Our AL137 program, combines our proprietary anti-amyloid beta (Aβ) antibody with our proprietary ABC platform, for the treatment of Alzheimer’s disease (AD). It is designed to efficiently remove brain Aβ plaques, with the goal of minimizing treatment-related adverse effects and enabling convenient s…
The ABC platform was specifically engineered to reduce co-engagement of transferrin receptor (TfR) on reticulocytes and peripheral immune cells while preserving full Fc-mediated engagement of immune cells at Aβ plaques. This design is intended to achieve efficient plaque clearance while minimizing t…
Text removed vs the prior filing · source: 10-Q · 2026-05-07
We are a biotechnology company developing therapies for neurodegenerative diseases, with a focus on areas of high unmet medical need. Our work is informed by advances in disease biology, including the roles of misfolded or deficient proteins, lysosomal dysfunction, and immune and neuronal pathway di…
Our objective is to develop product candidates that address disease through targeted mechanisms, such as removing pathogenic proteins, replacing deficient proteins, and restoring normal cellular function. We are advancing a portfolio of programs focused on genetically validated targets, supported by…
A key component of our strategy is the development and application of our Alector Brain Carrier (ABC) platform, a proprietary blood-brain barrier (BBB) delivery technology designed to improve central nervous system exposure across multiple therapeutic modalities. Built on the core design principles …
Our AL037/AL137 program, which pairs our proprietary anti-amyloid beta (Aβ) antibody with our proprietary ABC platform, is in preclinical development for Alzheimer's disease (AD). It is designed to remove brain Aβ plaques, with the goal of minimizing treatment-related incidence and/or severity of am…
Following successful completion of IND-enabling studies, we intend to select AL037 or AL137 for submission of an Investigational New Drug (IND) application, targeted for the first quarter of 2027.
Risk factors
Text added vs the prior filing · source: 10-Q · 2026-08-06
We may not be successful in our efforts to carry out our obligations under any collaborations for our product development and research programs.
In October 2025, we decided to stop the open label extension portion of the INFRONT-3 trial and the continuation study of our product candidate latozinemab based on the results of the INFRONT-3 Phase 3 clinical trial evaluating the safety and efficacy of latozinemab in slowing disease progression in…
efficacy of AL002 in slowing disease progression in individuals with early AD, in which AL002 failed to meet the primary endpoint. In 2022, we and AbbVie concluded that further development of our product candidate AL003 was not warranted. Additionally, we decided to close the Phase 1 clinical trial …
To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of a common stockholde…
We may not be successful in our efforts to further develop our current product candidates. For example, clinical trials of our product candidates may not demonstrate their safety or efficacy, e.g., the trials may not meet their primary endpoints or otherwise demonstrate evidence of clinical benefit,…
Text removed vs the prior filing · source: 10-Q · 2026-05-07
We may not be successful in our efforts to carry out our obligations under our collaborations for our product development and research programs; for instance, without limitation, we may not complete in a timely manner or at all our contractual obligations to GSK.
Our existing or future indebtedness and any associated debt covenants may impact our business and growth prospects.
In October 2025, we decided to stop the open label extension portion of the INFRONT-3 trial and the continuation study of our product candidate latozinemab based on the results of the INFRONT-3 Phase 3 clinical trial evaluating the safety
and efficacy of latozinemab in slowing disease progression in individuals with frontotemporal dementia due to a progranulin gene mutation (FTD-GRN). Latozinemab failed to meet the clinical co-primary endpoints in that trial.
In November 2024, our AL002 program was terminated, based on the results of the INVOKE-2 Phase 2 clinical trial evaluating the safety and efficacy of AL002 in slowing disease progression in individuals with early AD, in which AL002 failed to meet the primary endpoint. In 2022, we and AbbVie conclude…
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice