Sparta Software
Menlo Park, US · Founded 2014 · Delaware corporation · 4 known investors
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The page presents Oura, a smart ring and companion app that tracks over 50 health metrics and gives users personalized insights into sleep, activity, stress, and women's health. It is a consumer wearable focused on personal health and wellness.
Founders & leadership
Sparta Software was founded in 2014 by Phil Wagner.

Board
Investors · 4
How we know: Vista Venture Partners's portfolio page · Not right? Tell us
How we know: westerntech.com · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$31.8M disclosed across 6 rounds · 2016–2022
▶$3.8MraisedSep 2022 · 5 investors · Other TechnologyRule 506(b)
- Daniel KistlerDirector
- Phil WagnerExecutive Officer, Director
- Richard LimDirector
- Offering amount
- $16.3M
- Amount sold
- $3.8M
- First sale
- Aug 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$17.1MraisedMar 2020 · 20 investors · Other TechnologyRule 506(b)
- Richard LimDirector
- Matthew HershensonDirector
- Phil WagnerExecutive Officer, Director
- Offering amount
- $18.4M
- Amount sold
- $17.1M
- First sale
- Feb 2020
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$580.2KraisedFeb 2019 · 5 investors · Other TechnologyRule 506(b)
- Julie AllegroDirector
- Phil WagnerExecutive Officer, Director
- Steve BornsteinDirector
- Matt HershensonDirector
- Offering amount
- $3M
- Amount sold
- $580.2K
- First sale
- Jan 2019
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
▶$6.9MraisedJan 2018 · 8 investors · Other TechnologyRule 506(b)
- Julie AllegroDirector
- Robert SiegelDirector
- Phil WagnerExecutive Officer, Director
- George FosterDirector
- Offering amount
- $7M
- Amount sold
- $6.9M
- First sale
- Dec 2017
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
▶$689.8KraisedJul 2017 · 4 investors · Other TechnologyRule 506(b)
- Julie AllegroDirector
- Robert SiegelDirector
- Phil WagnerExecutive Officer, Director
- Offering amount
- $2M
- Amount sold
- $689.8K
- First sale
- Jun 2017
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
▶$2.7MraisedNov 2016 · 11 investors · Other TechnologyRule 506(b)
- Julie AllegroDirector
- Phil WagnerExecutive Officer, Director
- Robert SiegelDirector
- Offering amount
- $2.7M
- Amount sold
- $2.7M
- First sale
- Nov 2016
- Incorporated
- Corporation, Delaware, 2014
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 12 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase I | 2023 | $75K |
| U.S. Air ForceAir Force | Phase I | 2023 | $75K |
| U.S. Air ForceAir Force | Phase I | 2023 | $75K |
| U.S. Air ForceAir Force | Phase I | 2023 | $75K |
| U.S. Air ForceAir Force | Phase ISTTR | 2023 | $74.5K |
| U.S. Air ForceAir Force | Phase II | 2022 | $1.2M |
| U.S. Air ForceAir Force | Phase II | 2022 | $750K |
| U.S. Air ForceAir Force | Phase II | 2022 | $749.9K |
| U.S. Air ForceAir Force | Phase II | 2022 | $749.4K |
| U.S. Air ForceAir Force | Phase I | 2022 | $50K |
| U.S. Air ForceAir Force | Phase I | 2022 | $50K |
| U.S. Air ForceAir Force | Phase I | 2022 | $50K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Sparta Software do?
- The page presents Oura, a smart ring and companion app that tracks over 50 health metrics and gives users personalized insights into sleep, activity, stress, and women's health. It is a consumer wearable focused on personal health and wellness.
- Who founded Sparta Software?
- Sparta Software was founded by Phil Wagner in 2014.
- Who are Sparta Software's investors?
- Sparta Software's investors include Vista Venture Partners, Western Technology Investment, IA Capital Group, Playground Global.
- How much funding has Sparta Software raised?
- Sparta Software has disclosed $31.8M raised across 6 rounds.
- Where is Sparta Software headquartered?
- Sparta Software is headquartered in Menlo Park, US.



