# Vestaron

Vestaron [Corporation](https://www.edgepedia.org/corporation) (originally Venomix Inc) is a [Kalamazoo, Michigan](https://www.edgepedia.org/kalamazoo-michigan)-based [agricultural biotechnology](https://www.edgepedia.org/agricultural-biotechnology) company founded in 2005 by Professor Glenn King that developed peptide-based bioinsecticides derived from spider venom; its assets were later acquired by Suterra, the biological pest control division of The Wonderful Company, ending its run as an independent company.<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup><sup> • </sup><sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup><sup> • </sup><sup>[3](https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom)</sup>

| Key fact | Detail |
|---|---|
| Founded | 2005, as Venomix Inc; renamed Vestaron Corp on May 2, 2007<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup><sup> • </sup><sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup> |
| Founder | Professor Glenn King, then at the University of Queensland<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup> |
| Headquarters | Kalamazoo, Michigan (Delaware corporation)<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup> |
| Sector | Agriculture; peptide-based bioinsecticides<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup> |
| Total raised | The company claims over $200 million in three oversubscribed rounds<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup> |
| Key products | SPEAR (commercialized 2020) and BASIN (EPA-approved February 17, 2026)<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup><sup> • </sup><sup>[4](https://vestaron.com/vestaron-secures-epa-approval-for-basin-bioinsecticide-on-outdoor-crops/)</sup> |
| Status | Assets acquired by Suterra (The Wonderful Company), including the SPEAR and BASIN lines, the Kalamazoo facility, and the pipeline<sup>[3](https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom)</sup> |

## Founding and history

The company began with a discovery by Glenn King, a professor at the [University of Queensland](https://www.edgepedia.org/university-of-queensland) studying spider venom. He filed patents and in 2005 founded the company, initially named Venomix, to bring the technology to agriculture.<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup> A Form D filing records the May 2, 2007 name change to Vestaron Corp and the company's Kalamazoo, Michigan headquarters.<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup>

In 2018 Vestaron brought in Anna Rath, described by the company as a veteran agriculture and tech start-up leader, as CEO. Under her tenure the company grew from 15 people to over 85 and raised over $200 million in three oversubscribed funding rounds, according to the company's own account.<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup> The company commercialized in 2020 with the SPEAR bioinsecticide portfolio in the US market, becoming the first company to register a peptide-based pesticide for crop protection.<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup>

## Products, technology and regulatory path

Vestaron's platform maps the DNA sequence of spider venom to target pests including caterpillars, loopers, and navel orangeworms. Because target pests have no built-in resistance to these specific peptides, the products offer knockdown capabilities that mirror traditional synthetic chemistry, according to The Packer's reporting.<sup>[3](https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom)</sup>

Regulatory milestones include:

- SPEAR LEP in US use since 2020, with subsequent approvals in Mexico and Canada.<sup>[5](https://www.globenewswire.com/news-release/2025/03/06/3038121/0/en/Vestaron-Receives-Second-Round-of-Emergency-Use-Authorizations-for-SPEAR-LEP-to-Combat-Crop-Pest-in-Italy-Greece-and-Cyprus.html)</sup>
- Emergency use authorizations (EUAs) in Europe: Italy, Greece, and Cyprus granted a second round of EUAs for SPEAR LEP against tomato leafminer ([Tuta absoluta](https://www.edgepedia.org/tuta-absoluta)) on March 6, 2025; full European approval has been submitted.<sup>[5](https://www.globenewswire.com/news-release/2025/03/06/3038121/0/en/Vestaron-Receives-Second-Round-of-Emergency-Use-Authorizations-for-SPEAR-LEP-to-Combat-Crop-Pest-in-Italy-Greece-and-Cyprus.html)</sup>
- EPA approval of BASIN bioinsecticide for outdoor agricultural use on February 17, 2026, the second new active ingredient Vestaron commercialized in six years.<sup>[4](https://vestaron.com/vestaron-secures-epa-approval-for-basin-bioinsecticide-on-outdoor-crops/)</sup>

## Funding, by the numbers

The company's SEC Form D record spans more than a decade. An early filing from August 2010 reported $250,000 sold of a $1,000,000 offering, signed by then President and CEO John L. McIntyre.<sup>[1](https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt)</sup> The most recent round appears as a Form D filed February 6, 2025 and amended on March 6 and April 3, 2025.<sup>[6](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&filenum=021-537522)</sup>

The company's own account puts the total at over $200 million in three oversubscribed rounds.<sup>[2](https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/)</sup>

## Business and traction

Most traction figures come from the company itself and should be read as company claims. Vestaron states that SPEAR LEP is proven on more than 1 million acres in the US and continues to capture market share in specialty crops, and that in Europe it achieved 10 Emergency Use Authorizations across four countries in 24 months.<sup>[4](https://vestaron.com/vestaron-secures-epa-approval-for-basin-bioinsecticide-on-outdoor-crops/)</sup> Independent corroboration comes mainly from The Packer's trade reporting, which describes Vestaron as a peptide-based bioinsecticide pioneer and confirms the platform's targets and the EPA approvals of both product lines.<sup>[3](https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom)</sup> Revenue figures beyond these claims are not available in the sources retrieved.

## Status and outcome

Suterra, the biological pest control division of The Wonderful Company, acquired the assets of Vestaron. The deal includes the EPA-approved SPEAR and BASIN product lines, Vestaron's research facility in Kalamazoo, Michigan, and its pipeline of active ingredients and product formulations. The acquisition ended Vestaron's run as an independent company.

## Recent developments

The sequence of events from 2024 onward runs: a second round of EUAs from Italy, Greece, and Cyprus announced March 6, 2025;<sup>[5](https://www.globenewswire.com/news-release/2025/03/06/3038121/0/en/Vestaron-Receives-Second-Round-of-Emergency-Use-Authorizations-for-SPEAR-LEP-to-Combat-Crop-Pest-in-Italy-Greece-and-Cyprus.html)</sup> a new Form D filed February 6, 2025 and amended through April 2025;<sup>[6](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&filenum=021-537522)</sup> EPA approval of BASIN on February 17, 2026;<sup>[4](https://vestaron.com/vestaron-secures-epa-approval-for-basin-bioinsecticide-on-outdoor-crops/)</sup> and finally the Suterra asset acquisition.<sup>[3](https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom)</sup> What happened between the BASIN approval and the acquisition, and why the company's investors chose an asset sale over an independent exit after raising more than $200 million, are not addressed in the sources retrieved.

## References

1. Vestaron Corp Form D, filed August 24, 2010, SEC EDGAR. https://www.sec.gov/Archives/edgar/data/1398181/0001398181-10-000003.txt
2. The Origin Story: How spider venom led to a revolution in agriculture, Vestaron. https://vestaron.com/the-origin-story-how-spider-venom-led-to-a-revolution-in-agriculture/
3. Suterra Vestaron Acquisition Signals Transition From the Chemistry Boom to the Biotechnology Boom, The Packer. https://www.thepacker.com/news/suterra-vestaron-acquisition-signals-transition-chemistry-boom-biotechnology-boom
4. Vestaron Secures EPA Approval for BASIN Bioinsecticide on Outdoor Crops, February 17, 2026. https://vestaron.com/vestaron-secures-epa-approval-for-basin-bioinsecticide-on-outdoor-crops/
5. Vestaron Receives Second Round of Emergency Use Authorizations for SPEAR LEP in Italy, Greece and Cyprus, March 6, 2025, GlobeNewswire. https://www.globenewswire.com/news-release/2025/03/06/3038121/0/en/Vestaron-Receives-Second-Round-of-Emergency-Use-Authorizations-for-SPEAR-LEP-to-Combat-Crop-Pest-in-Italy-Greece-and-Cyprus.html
6. SEC EDGAR filing list for Vestaron Corp, File Number 021-537522. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&filenum=021-537522

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*Topic: Encyclopedia › Society and history › Economics and business › Business and work › Business and work overview › Companies and corporations › Venture-backed startups and growth companies › Deep-tech, hardware, industrial, climate, and mobility startups › Agtech and food technology*

*Initially written Sep 17, 2026 · Edited: Oct 15, 2026*

*Copyright 2026 EdgeChat AI, a subsidiary of Biostate AI.*

License: Edgepedia Community License 1.0, https://www.edgepedia.org/edgepedia/license
