Greenfield Nitrogen
Garner, US · Founded 2014 · Iowa LLC
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Greenfield Nitrogen is developing a regional-sized anhydrous ammonia manufacturing and storage facility near Garner, Iowa, to supply farmers with direct application nitrogen fertilizer. The farmer-led company aims to give U.S. Corn Belt farmers a local, lower-cost source of ammonia fertilizer.
Founders & leadership
KF
Karl F. TheisManager and Officer
RB
Reed B. KuperManager and Officer
LK

Linda K. ThrasherManager and OfficerLinda K. Thrasher is Co-Founder and Chairman of Greenfield Nitrogen, LLC. She previously held senior executive roles at The Mosaic Company and Cargill Incorporated, where she worked on corporate strategy, public affairs, and stakeholder relations.
Reported raises · per SEC filings
Form D private placements$5.5M disclosed across 2 of 3 rounds · 2016–2019
▶$3MraisedApr 2019 · 43 investors · ManufacturingRule 506(c)
▶$3MraisedApr 2019 · 43 investors · Manufacturing
Rule 506(c)Officers, directors & promoters on the filing
- Karl F. TheisExecutive Officer, Director
- Reed B. KuperExecutive Officer, Director
- Linda K. ThrasherExecutive Officer, Director
- Offering amount
- $3M
- Amount sold
- $3M
- First sale
- Feb 2019
- Incorporated
- Limited Liability Company, Iowa, 2014
- Federal exemptions
- 06c
▶$120MofferedFeb 2018 · ManufacturingRule 506(c)
▶$120MofferedFeb 2018 · Manufacturing
Rule 506(c)Officers, directors & promoters on the filing
- Linda ThrasherExecutive Officer, Director
- Reed KuperExecutive Officer, Director
- Karl TheisExecutive Officer, Director
- Offering amount
- $120M
- Minimum investment
- $20K
- Incorporated
- Limited Liability Company, Iowa, 2014
- Federal exemptions
- 06c
▶$2.5MraisedMay 2016 · 46 investors · ManufacturingRule 506(b)
▶$2.5MraisedMay 2016 · 46 investors · Manufacturing
Rule 506(b)Officers, directors & promoters on the filing
- Linda ThrasherExecutive Officer, Director
- Reed KuperExecutive Officer, Director
- Karl TheisExecutive Officer, Director
- Offering amount
- $5M
- Amount sold
- $2.5M
- Minimum investment
- $24K
- Proceeds to insiders
- $415K
- First sale
- Apr 2016
- Incorporated
- Limited Liability Company, Iowa, 2014
- Federal exemptions
- 05, 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 Greenfield Nitrogen do?
- Greenfield Nitrogen is developing a regional-sized anhydrous ammonia manufacturing and storage facility near Garner, Iowa, to supply farmers with direct application nitrogen fertilizer. The farmer-led company aims to give U.S. Corn Belt farmers a local, lower-cost source of ammonia fertilizer.
- How much funding has Greenfield Nitrogen raised?
- Greenfield Nitrogen has disclosed $5.5M raised across 2 of its 3 known rounds.
- Where is Greenfield Nitrogen headquartered?
- Greenfield Nitrogen is headquartered in Garner, US.