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Ostra Cybersecurity, Inc.

Updated Oct 27, 2026·Latest SEC filing Jun 20, 2025·Suggest an edit

About Ostra Cybersecurity

Ostra Cybersecurity is a private company based in Eden Prairie, Minnesota. It has reported $11,859,333 raised in five offerings on Form D since January 2020. Its chief executive is Andrew Tewksbury.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Jun 10, 2025Jun 20, 2025$2,647,868fully sold6$441KEquityRule 506(b)Form D ↗
Oct 26, 2023Oct 31, 2023amended Mar 14, 2024$4,100,000fully sold6$683KEquityRule 504, Rule 506(b), 4a5Form D/A ↗1 earlier filing
Sep 7, 2022Sep 15, 2022$3,506,465fully sold4$876KEquityRule 504, Rule 506(b), 4a5Form D ↗
Aug 3, 2021Aug 19, 2021amended Sep 15, 2022$900,000fully sold6$150KSAFE InstrumentRule 504, Rule 506(b), 4a5Form D/A ↗1 earlier filing
Jan 14, 2020Jan 28, 2020amended Sep 15, 2022$705,000fully sold7$100KDebtRule 504, Rule 506(b)Form D/A ↗1 earlier filing
Total, five offerings$11,859,333

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 Ostra Cybersecurity's Form D filed Jun 20, 2025.

MK
Michael Kennedy
Executive officer and director
SD
AT
Andrew Tewksbury
CEO and director
JC

Earlier filings also listed Joseph Johnson (executive officer and director, last listed Sep 2022).

Sources

  1. SECOstra Cybersecurity, Inc. Form D, filed Oct 31, 2023
  2. SECOstra Cybersecurity, Inc. Form D, filed Aug 19, 2021
  3. SECOstra Cybersecurity, Inc. Form D, filed Jan 28, 2020
  4. SECOstra Cybersecurity, Inc. filing history