SQUARE2 SYSTEMS INC

Hanover, NH · Digital health · Private

Laddr, a mobile platform delivering science-based digital therapeutics for behavioral health disorders including substance use disorder, chronic pain, and depression

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Updated Oct 23, 2026 · square2.co

Sector: Digital health
Headquarters: Hanover, NH
Total capital: $3.9M

Federal grants: $3.9M; 7 awards · 2018–2024; Rank in peer group#18 of 35
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 0; 4 pending

Capital timeline

Latest events

Sep 2024Federal grantHealth and Human S · Phase I · Cogito: A turnkey solution for rapidly developing, evaluating, deploying, and scaling digital therapeutics$296K
Aug 2024Federal grantHealth and Human S · Phase I · Transforming mental health care via science-based, personalizable and scalable digital therapeutics$306K
Aug 2022Federal grantHealth and Human S · Phase II · Socializing a Science-based Digital Therapeutic for Substance Use Disorders$683K
Sep 2021Federal grantHealth and Human S · Phase II · Socializing a Science-based Digital Therapeutic for Substance Use Disorders$1.5M
Aug 2021Federal grantHealth and Human S · Phase II · Socializing a Science-based Digital Therapeutic for Substance Use Disorders$837K
Sep 2018Federal grantHealth and Human S · Phase I · Socializing a Science-based Digital Therapeutic for Substance Use Disorders$149K
Aug 2018Federal grantHealth and Human S · Phase I · Socializing a Science-based Digital Therapeutic for Substance Use Disorders$149K

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.

Standing among 35 peers

Line = median

Digital health · Software

Federal grants#18 · top 51%

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 0 granted of 4

May 7, 2020PendingSystem And Method For Behavior Change For Health And WellnessUSPTOApplication 16610755
PendingSystem And Method For Behavior Change For Health And WellnessUSPTOApplication PCTUS2018031119
PendingSystem And Method For Behavior Change For Health And WellnessUSPTOApplication 62526468

Show all 4 patent records

System And Method For Behavior Change For Health And WellnessMay 7, 2020 · Application 16610755Pending
System And Method For Behavior Change For Health And WellnessApplication PCTUS2018031119Pending
System And Method For Behavior Change For Health And WellnessApplication 62526468Pending
System And Method For Behavior Change For Health And WellnessApplication 62501871Pending

Dozee Inc.Similar federal contract value in Digital health · null in contracts
REAL RECOVERY VR, INC.Similar federal contract value in Digital health · null in contracts
COGITO HEALTH, INC.Similar federal contract value in Digital health · null in contracts
Phenomix Sciences, Inc.Similar federal contract value in Digital health · null in contracts
PREVISER CORPSimilar federal contract value in Digital health · null in contracts
PATTERN HEALTH TECHNOLOGIES, INC.Similar federal contract value in Digital health · null in contracts

Regulatory activity · Digital health

Sector-level, not company-level

07 Jul 2026New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
30 Jun 2026Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
30 Jun 2026Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
29 Jun 2026Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
26 Jun 2026Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
26 Jun 2026Medical 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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.