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CesiumAstro Inc.

Makes satellite communications systems for commercial, government and defense missions.

Updated Nov 10, 2026·Latest SEC filing Jun 9, 2026·Suggest an edit

About CesiumAstro

CesiumAstro is a private company based in Austin, Texas, incorporated in 2022 in Delaware. It has reported $115,249,987 raised in five offerings on Form D since May 2017. Its chief executive is Shey Sabripour.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Jan 29, 2024Feb 13, 2024$29,999,992of $49.9M target2$14.9MEquityRule 506(b)Form D ↗
Feb 3, 2022Mar 2, 2022$59,999,999fully sold12$4.9MEquityRule 506(b)Form D ↗
Oct 7, 2020Oct 22, 2020amended Mar 2, 2022$15,000,000fully sold10$1.5MDebt, OptionsRule 506(b)Form D/A ↗1 earlier filing
Jan 16, 2019Jan 31, 2019$8,499,996of $12.4M target4$2.1MEquityRule 506(b)Form D ↗
Apr 19, 2017May 25, 2017amended Jul 5, 2017$1,750,000fully sold3$583KEquityRule 506(b)Form D/A ↗1 earlier filing
Total, five offerings$115,249,987

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 CesiumAstro's Form D filed Feb 13, 2024.

DS
Daniel Sable
Director
JH
WH
Wen Hsieh
Director
Also a director at Dexterity.
Shey Sabripour
Shey Sabripour
Founder and CEO, director

Earlier filings also listed Victor See, Jr. (director, last listed Jun 2026), Phillip Sarofim (director, last listed Jun 2026), Krystle Caponio (executive officer, last listed Jun 2026), Kenneth Smith (executive officer, last listed Jun 2026) and Chris Pappas III (executive officer, last listed Jun 2026).

Sources

  1. SECCesiumAstro Inc. Form D, filed Oct 22, 2020
  2. SECCesiumAstro Inc. Form D, filed May 25, 2017
  3. SECCesiumAstro Inc. filing history
  4. CompanyTexas headquarters expansion
  5. CompanySeries D announcement