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Benchmark Space Systems, Inc.

Spacecraft propulsion systems for government programs and commercial satellite operators.

Updated Nov 10, 2026·Latest SEC filing May 26, 2026·Suggest an edit

About Benchmark Space Systems

Benchmark Space Systems is a private company based in Burlington, Vermont. It has reported $72,281,144 raised in 12 offerings on Form D since March 2018. Its chief executive is Wesley Grove.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
May 13, 2026May 26, 2026$0of $10.0M target0—EquityRule 506(b)Form D ↗
Jun 9, 2025Jul 2, 2025$2,402,041target not set15$160KEquityRule 506(b)Form D ↗
May 9, 2024May 21, 2024$6,791,449of $10.0M target23$295KEquityRule 506(b)Form D ↗
Jun 22, 2023Jul 5, 2023$33,262,373of $43.8M target41$811KEquityRule 506(b)Form D ↗
Nov 22, 2022Dec 6, 2022$9,596,130of $10.0M target24$399KConvertible debtRule 506(b)Form D ↗
May 5, 2022May 19, 2022amended Jun 8, 2022$5,582,000of $8.0M target14$398KConvertible DebtRule 506(b)Form D/A ↗1 earlier filing
Oct 13, 2021Oct 25, 2021amended Jan 14, 2022$8,503,819of $8.7M target26$327KEquityRule 506(b)Form D/A ↗1 earlier filing
May 14, 2021Aug 3, 2021amended Aug 17, 2021$1,500,000fully sold10$150KConvertible DebtRule 506(b)Form D/A ↗1 earlier filing
May 15, 2020May 27, 2020$2,000,012of $2.0M target12$166KEquityRule 506(b)Form D ↗
Dec 23, 2019Jan 2, 2020$1,252,960of $1.2M target13$96,382DebtRule 506(b)Form D ↗
Nov 30, 2018Dec 3, 2018$1,115,360of $1.7M target13$85,797EquityRule 506(b)Form D ↗
Mar 5, 2018Mar 7, 2018$275,000of $500K target6$45,833Convertible DebtRule 506(b)Form D ↗
Total, 12 offerings$72,281,144

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on Benchmark Space Systems's Form D filed May 26, 2026.

WG
Wesley Grove
CEO and director
JJ
BA
Briar Alpert
Director
MM
M McDeavitt
Corporate Secretary and director

Earlier filings also listed Michael McDevitt (corporate secretary chief technology officer and director, last listed Jul 2025), Matthew Shea (chief product officer and director, last listed Jul 2025), Matthew McDevitt (president and director, last listed May 2024), M. McDevitt (president and director, last listed Jul 2023), Edward Eppler (director, last listed Jul 2023), Stephen Kelly (director, last listed Dec 2022), Ryan McDevitt (executive officer and director, last listed Jan 2022) and Lee Bouyea (director, last listed Jan 2022).

Sources

  1. SECBenchmark Space Systems, Inc. Form D, filed May 19, 2022
  2. SECBenchmark Space Systems, Inc. Form D, filed Oct 25, 2021
  3. SECBenchmark Space Systems, Inc. Form D, filed Aug 3, 2021
  4. SECBenchmark Space Systems, Inc. filing history
  5. CompanyBenchmark Space Systems careers
  6. CompanyBenchmark Space Systems terms and conditions