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Long Bridge Medical
South San Francisco, US · Founded 2019 · Delaware corporation
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Long Bridge Medical is developing the LensOne platform, a prosthetic capsular bag that provides stable, centered fixation of intraocular lenses (IOLs) in eyes lacking adequate capsular support and unsuited to anterior chamber IOLs. The investigational ophthalmic device targets surgeons treating IOL dislocation and secondary lens implantation.
Founders & leadership
Reported raises · per SEC filings
Form D private placements$7.2M disclosed across 3 rounds · 2023–2025
▶$2.5MraisedAug 2026 · 29 investors · Other Health CareRule 506(b)
▶$2.5MraisedAug 2026 · 29 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Ayman NaseriExecutive Officer, Director
- Matthew ClarkeExecutive Officer
- David F ChangDirector
- Eugene de Juan Jr., MDDirector
- Offering amount
- $5M
- Amount sold
- $2.5M
- First sale
- Dec 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1000KraisedMar 2025 · 15 investors · BiotechnologyRule 506(b)
▶$1000KraisedMar 2025 · 15 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Matthew ClarkeExecutive Officer
- Ayman NaseriExecutive Officer, Director
- Offering amount
- $1000K
- Amount sold
- $1000K
- First sale
- Nov 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$3.6MraisedNov 2023 · 33 investors · BiotechnologyRule 506(b)
▶$3.6MraisedNov 2023 · 33 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Ayman NaseriExecutive Officer, Director
- Offering amount
- $4.9M
- Amount sold
- $3.6M
- First sale
- Oct 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Long Bridge Medical do?
- Long Bridge Medical is developing the LensOne platform, a prosthetic capsular bag that provides stable, centered fixation of intraocular lenses (IOLs) in eyes lacking adequate capsular support and unsuited to anterior chamber IOLs. The investigational ophthalmic device targets surgeons treating IOL dislocation and secondary lens implantation.
- How much funding has Long Bridge Medical raised?
- Long Bridge Medical has disclosed $7.2M raised across 3 rounds.
- Where is Long Bridge Medical headquartered?
- Long Bridge Medical is headquartered in South San Francisco, US.