SonoThera

SOUTH SAN FRANCISCO, CA · Founded 2021 · Biotech · Private

Ultrasound-based delivery system for targeted genetic medicine

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Updated · sonotherabio.com

Sector
Biotech
Headquarters
SOUTH SAN FRANCISCO, CA
Founded
2021
Latest Form D
$125M, Jun 2026
Total capital
$156M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$156M
2 Form D · last Jun 2026
4 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
1
39 pending · first 2026
Rank in peer group#8 of 28

Capital timeline

20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $156M1st Form D$30.4M2nd Form D$125M
20222023202420252026FEDERAL ↑EQUITY ↓Cumulative $156M1st Form D$30.4M2nd Form D$125M

Latest events

  • Private capital raisedForm D · SEC · 2nd filing$125M
  • Private capital raisedForm D · SEC · 1st filing$30.4M

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 28 peers

Line = median

Biotech · System

  • Granted patents#8 · top 29%

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
  • Asish XavierDirectorNamed in SEC Form D filings
  • Brian HalakDirectorNamed in SEC Form D filings
  • Carolyne ZimmermanExecutive OfficerNamed in SEC Form D filings
  • Kenneth GreenbergExecutive Officer, DirectorNamed in SEC Form D filings
  • Lori HuDirectorNamed in SEC Form D filings
  • Michael DavidsonExecutive Officer, DirectorNamed in SEC Form D filings
Show all 11 people
  • Rajul JainDirectorNamed in SEC Form D filings
  • Rakhshita DharDirectorNamed in SEC Form D filings
  • Steven FeinsteinExecutive OfficerNamed in SEC Form D filings
  • Steven GillisDirectorNamed in SEC Form D filings
  • Tom WillisDirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 40
  • PendingMethods And Compositions For Improved Delivery Via UltrasoundUSPTOApplication 19391999
  • GrantedBiologic Agents And Methods Of UseUSPTOUS 12,673,068
  • PendingMethods And Compositions For Improved Delivery Via UltrasoundUSPTOApplication 19418762
Show all 40 patent records
  • Methods And Compositions For Improved Delivery Via UltrasoundJul 23, 2026 · Application 19391999Pending
  • Biologic Agents And Methods Of UseJul 7, 2026 · US 12,673,068Granted
  • Methods And Compositions For Improved Delivery Via UltrasoundJun 25, 2026 · Application 19418762Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApr 16, 2026 · Application 19228709Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundFeb 19, 2026 · Application 19368564Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundFeb 19, 2026 · Application 19368749Pending
  • Methods And Systems For Improved Delivery Via UltrasoundJun 19, 2025 · Application 18981179Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundMay 8, 2025 · Application 18937809Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication PCTUS2024060132Pending
  • Nucleic Acid Delivery Vectors And Methods Of UseApplication 63722046Pending
  • Methods And Compositions For Improved Delivery Via UltrasoundApplication 63722045Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication PCTUS2024054561Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63711635Pending
  • Methods And Systems For Improved Delivery Via UltrasoundApplication 63711148Pending
  • Nucleic Acid Delivery Vectors And Methods Of UseApplication 63709962Pending
  • Biologic Agents And Methods Of UseApplication 63709966Pending
  • Nucleic Acid Delivery Vectors And Methods Of UseApplication 63678027Pending
  • Methods And Systems For Improved Delivery Via UltrasoundApplication PCTUS2024039576Pending
  • Methods And Systems For Improved Delivery Via UltrasoundApplication 63656394Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication PCTUS2023082362Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63656376Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63656080Pending
  • Nucleic Acid Delivery Vectors And Methods Of UseApplication 63641789Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication PCTUS2024026239Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication PCTUS2024026238Pending
  • Biologic Agents And Methods Of UseApplication 63634905Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63625272Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63625275Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63625279Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63625277Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63610397Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63547672Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63592106Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63537160Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63516491Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63516489Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63516488Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63462508Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63462516Pending
  • Methods And Systems For Improved Nucleic Acid Delivery Via UltrasoundApplication 63462515Pending
  • CURADEL SURGICAL INNOVATIONS, INC.Similar federal contract value in Biotech · null in contracts
  • Immorta Bio, Inc.Similar federal contract value in Biotech · null in contracts
  • AraviveSimilar federal contract value in Biotech · null in contracts
  • Entrada TherapeuticsSimilar federal contract value in Biotech · null in contracts
  • Pelage PharmaceuticalsSimilar federal contract value in Biotech · null in contracts
  • Hexagon Bio Inc.Similar federal contract value in Biotech · null in contracts

Regulatory activity · Biotech

Sector-level, not company-level

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 .