Pleural Dynamics
Wayzata, US · Founded 2020 · 7 employees on LinkedIn · 2 known investors
Pleural Dynamics makes ACES (Automatic Continuous Effusion Shunt), an FDA-cleared minimally invasive implant that uses the body's breathing motion to move pleural fluid from the lungs to the abdomen for reabsorption. The device treats patients with recurrent pleural effusions caused by cancer, heart failure, or infection, offering an alternative to pleural catheters and pleurodesis.
Founders & leadership
Pleural Dynamics was founded in 2020 by Martin L. Mayse.
ML
Martin L. MayseFounder
Board
RC
Robert CrutchfieldBoard director
RS
Richard StarkBoard director
GV
Gintaras VaisnysBoard director
MD
Mark DeemBoard director
Investors · 2
Reported raises · per SEC filings
Form D private placements$9.2M disclosed across 3 of 4 rounds · 2020–2025
▶$618KraisedNov 2025 · 6 investors · BiotechnologyRule 506(b)
▶$618KraisedNov 2025 · 6 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Gintaras VaisnysDirector
- Martin L. MayseExecutive Officer, Director, Promoter
- Richard StarkDirector
- Robert CrutchfieldDirector
- Mark DeemDirector
- Offering amount
- $4M
- Amount sold
- $618K
- First sale
- Oct 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$7.7MraisedFeb 2025 · 29 investors · BiotechnologyRule 506(b)
▶$7.7MraisedFeb 2025 · 29 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Richard StarkDirector
- Gintaras VaisnysDirector
- Mark DeemDirector
- Martin L. MayseExecutive Officer, Director, Promoter
- Robert CrutchfieldDirector
- Offering amount
- $8.5M
- Amount sold
- $7.7M
- First sale
- May 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$835KraisedMay 2020 · 10 investors · BiotechnologyRule 506(b)
▶$835KraisedMay 2020 · 10 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Martin MayseExecutive Officer, Director, Promoter
- Offering amount
- $1.3M
- Amount sold
- $835K
- First sale
- Apr 2020
- Incorporated
- Corporation, Delaware, 2020
- 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 Pleural Dynamics do?
- Pleural Dynamics makes ACES (Automatic Continuous Effusion Shunt), an FDA-cleared minimally invasive implant that uses the body's breathing motion to move pleural fluid from the lungs to the abdomen for reabsorption. The device treats patients with recurrent pleural effusions caused by cancer, heart failure, or infection, offering an alternative to pleural catheters and pleurodesis.
- Who founded Pleural Dynamics?
- Pleural Dynamics was founded by Martin L. Mayse in 2020.
- Who are Pleural Dynamics's investors?
- Pleural Dynamics's investors include Good Growth Capital, Good Life Sciences Generations.
- How much funding has Pleural Dynamics raised?
- Pleural Dynamics has disclosed $9.2M raised across 3 of its 4 known rounds.
- Where is Pleural Dynamics headquartered?
- Pleural Dynamics is headquartered in Wayzata, US.