Flowaste
South Bend, US · Founded 2020 · 3 known investors
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Founders & leadership
Flowaste was founded in 2020 by Rian Mc Donnell.
RM
Rian Mc DonnellFounder
Board
EW
Elise WeimholtBoard director
GZ
Geoff ZentzBoard director
Investors · 3
IrishAngelsreportedSan Francisco · $250K – $350K
How we know: the VCSheet dataset · Not right? Tell us
Funding
SEC filings, press & company announcements$8.2M disclosed across 3 of 4 rounds · 2020–2025
- Undisclosed amountseed roundNov 2021
Underdog labs (lead), Rockstart
Source ↗
▶$7.5MraisedMay 2025 · 2 investors · Other TechnologyRule 506(b)
▶$7.5MraisedMay 2025 · 2 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Rian Mc DonnellExecutive Officer, Director, Promoter
- Geoff ZentzDirector
- Elise WeimholtExecutive Officer, Director
- Offering amount
- $8.7M
- Amount sold
- $7.5M
- First sale
- Apr 2025
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
▶$670KraisedJul 2024 · 5 investors · Other TechnologyRule 506(b)
▶$670KraisedJul 2024 · 5 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Elise WeimholtDirector
- Geoff ZentzDirector
- Rian Mc DonnellExecutive Officer, Director, Promoter
- Offering amount
- $670K
- Amount sold
- $670K
- First sale
- Jun 2024
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
▶$25KraisedDec 2020 · 1 investors · Other TechnologyRule 506(b)
▶$25KraisedDec 2020 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Elise WeimholtExecutive Officer, Director, Promoter
- Offering amount
- $250K
- Amount sold
- $25K
- First sale
- Nov 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
- Who founded Flowaste?
- Flowaste was founded by Rian Mc Donnell in 2020.
- Who are Flowaste's investors?
- Flowaste's investors include IrishAngels, Rockstart, Underdog Labs.
- How much funding has Flowaste raised?
- Flowaste has disclosed $8.2M raised across 3 of its 4 known rounds.
- Where is Flowaste headquartered?
- Flowaste is headquartered in South Bend, US.


