Boston Electrometallurgical
Woburn, US · Delaware corporation · 2 known investors
Founders & leadership
DS
Donald SadowayFounder
TC
Tadeu CarneiroExecutive
CP
Christopher PoirierNamed on SEC filing
IW
Ingo WenderNamed on SEC filing
Board
MC

SK
Shyan KamadolliBoard director
IG
Irina GorbounovaBoard director
KR
Katie RaeBoard director
RC
Rick CutrightBoard director
CP
Christopher PoirerBoard director
ED
Eduardo De Salles BartolomeoBoard director
Investors · 2
Reported raises · per SEC filings
Form D private placements$240.9M disclosed across 4 of 5 rounds · 2018–2026
▶$100MofferedMar 2026 · OtherRule 506(b)
▶$100MofferedMar 2026 · Other
Rule 506(b)Officers, directors & promoters on the filing
- Eduardo De Salles BartolomeoDirector
- Katie RaeDirector
- Ingo WenderDirector
- Irina GorbounovaDirector
- Tadeu CarneiroExecutive Officer, Director
- Rick CutrightDirector
- Shyam KamadolliDirector
- Roy HarveyDirector
- Mark CuptaDirector
- Offering amount
- $100M
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$51MraisedJul 2025 · 5 investors · OtherRule 506(b)
▶$51MraisedJul 2025 · 5 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Mark CuptaDirector
- Shyan KamadolliDirector
- Irina GorbounovaDirector
- Katie RaeDirector
- Tadeu CarneiroExecutive Officer, Director
- Rick CutrightDirector
- Christopher PoirerDirector
- Eduardo De Salles BartolomeoDirector
- Offering amount
- $75M
- Amount sold
- $51M
- First sale
- Jun 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$120.7MraisedFeb 2023 · 13 investors · OtherRule 506(b)
▶$120.7MraisedFeb 2023 · 13 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- DONALD SADOWAYDirector
- SHYAM KAMADOLLIDirector
- KATIE RAEDirector
- INGO WENDERDirector
- CHRISTOPHER POIRIERDirector
- Tadeu CarneiroExecutive Officer, Director
- RICK CUTRIGHTDirector
- IRINA GORBOUNOVADirector
- MARK CUPTADirector
- Offering amount
- $300M
- Amount sold
- $120.7M
- First sale
- Jan 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$50.1MraisedJan 2021 · 8 investors · OtherRule 506(b)
▶$50.1MraisedJan 2021 · 8 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Donald SadowayDirector
- Mark CuptaDirector
- Katie RaeDirector
- Christopher PoirierDirector
- Ingo WenderDirector
- Tadeu CarneiroExecutive Officer, Director
- Shyam KamadolliDirector
- Offering amount
- $60M
- Amount sold
- $50.1M
- First sale
- Dec 2020
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$19.1MraisedJan 2019 · 6 investors · OtherRule 506(b)
▶$19.1MraisedJan 2019 · 6 investors · Other
Rule 506(b)Officers, directors & promoters on the filing
- Katie RaeDirector
- Mark CuptaDirector
- Tadeu CarneiroExecutive Officer, Director
- Donald SadowayDirector
- Christopher PoirierDirector
- Ingo WenderDirector
- Offering amount
- $26M
- Amount sold
- $19.1M
- First sale
- Dec 2018
- Incorporated
- Corporation, Delaware
- 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 Boston Electrometallurgical?
- Boston Electrometallurgical was founded by Donald Sadoway.
- Who are Boston Electrometallurgical's investors?
- Boston Electrometallurgical's investors include ArcelorMittal, Prelude Ventures.
- How much funding has Boston Electrometallurgical raised?
- Boston Electrometallurgical has disclosed $240.9M raised across 4 of its 5 known rounds.
- Where is Boston Electrometallurgical headquartered?
- Boston Electrometallurgical is headquartered in Woburn, US.