Constellation Acquisition Corp I
CSTAF- Exchange
- OTC
- Industry
- Blank Checks
- SEC CIK
- 0001834032
No open-market purchases or sales by Constellation Acquisition Corp I insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Holders of 5% or more of CSTAF
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Constellation Acquisition Corp I, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Constellation Acquisition Corp I on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Constellation Acquisition Corp I, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20256:49 PM ET | Vivaldi Asset Management, LLCand 3 others | 13G/A | 0.00%0 shares | –Below 5% | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Constellation Acquisition Corp I shares.
No Form 144 notices for Constellation Acquisition Corp I are on file.