WINDOW THERAPEUTICS, INC.
Antibody drug conjugates with proteasome inhibitor payloads for targeted cancer cell delivery
- Sector
- Biotech
- Headquarters
- Dorchester, MA
- Founded
- 2021
- Latest Form D
- $7.5M, Oct 2023
- Total capital
- $9.1M
- Federal grants
- $1.6M
- 3 awards · 2022–2025
- Rank in peer group#88 of 326
- Private capital raised
- $7.5M
- 1 Form D · last Oct 2023
- 36 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Federal grantNSF · Phase II · SBIR Phase II: Antibody-Drug Conjugates (ADCs) with High Drug-Antibody Ratios (DAR) and Molecularly Targeted Payloads$1M
- Private capital raisedForm D · SEC · 1st filing$7.5M
- Federal grantHealth and Human S · Phase I · Proteasome Inhibitor-Loaded Antibody Drug Conjugates with High Drug Loading For Targeted Treatment of Triple Negative Breast Cancers$300K
- Federal grantNSF · Phase I · SBIR Phase I:Antibody Brush Polymer Conjugates with High Drug Antibody Ratios and Immunostimulatory Payloads for Treatment of Late-Stage Cancers$256K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Federal first
19months
from WINDOW THERAPEUTICS, INC.’s first federal award to its first private round.
- First federal award · Mar 2022
- NSF · $256K
- First Form D · Oct 2023
- $7.5M · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 326 peers
Line = medianBiotech · Molecule
- Federal grants#88 · top 27%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Chih-Kao HuExecutive Officer, DirectorNamed in SEC Form D filings
- James LuDirectorNamed in SEC Form D filings
- Jeremiah JohnsonDirectorNamed in SEC Form D filings
- Kenneth AndersonDirectorNamed in SEC Form D filings
- Lusong LuoDirectorNamed in SEC Form D filings
What it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- ACRIGEN BIOSCIENCES, INC.Similar federal contract value in Biotech · null in contracts
- ENDURE BIOTHERAPEUTICS, INC.Similar federal contract value in Biotech · null in contracts
- BIOCOGNON LLCSimilar federal contract value in Biotech · null in contracts
- PARAMITA THERAPEUTICS, INC.Similar federal contract value in Biotech · null in contracts
- PARTILLION BIOSCIENCE CORPORATIONSimilar federal contract value in Biotech · null in contracts
- Design Therapeutics, Inc.Similar federal contract value in Biotech · null in contracts
Regulatory activity · Biotech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
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- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .