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Harmonic Security, Inc.

Updated Oct 27, 2026·Latest SEC filing Oct 2, 2024·Suggest an edit

About Harmonic Security

Harmonic Security is a private company based in San Francisco, California, incorporated in 2023 in Delaware. It has reported $25,675,660 raised in two offerings on Form D since October 2023. Its chief executive is Alastair Paterson.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Sep 11, 2024Oct 2, 2024$17,214,679fully sold8$2.1MEquity, Offering of Series A Preferred Stock ("Series A") and the underlying shares of Common Stock issuable upon conversion of Series A.Rule 506(b)Form D ↗
Sep 8, 2023Oct 30, 2023amended Jan 4, 2024$8,460,981fully sold20$423KEquity, Offering of Series Seed Preferred Stock and Series Seed-1 Preferred Stock (collectively, "Series Seed") and the underlying shares of Common Stock issuable upon conversion of Series Seed.Rule 506(b)Form D/A ↗1 earlier filing
Total, two offerings$25,675,660

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 Harmonic Security's Form D filed Oct 2, 2024.

BN
Bryan Woolgar-O'Neil
Executive officer and director
TR
AP
Alastair Paterson
Chief Executive Officer and director
AD

Sources

  1. SECHarmonic Security, Inc. Form D, filed Oct 30, 2023
  2. SECHarmonic Security, Inc. filing history