CSTAFOTCBlank ChecksFiscal year ends December 31Also trades as CSTUF, CSTWF
Constellation Acquisition Corp I
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 17, 2026
$13.05+0.00 (0.00%)
Close on Oct 16, 2026
- Market cap
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- P/E (TTM)
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- Dividend yield
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Ownership
Who owns Constellation Acquisition Corp I's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Mizuho Financial Group, Inc. | 356,662 | 7.94% | 13G (passive) | Dec 31, 2023 |
| Constellation Sponsor LP | 13,100,417 | 84.70% | 13D (active) amendment | Jan 30, 2024 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Sponsor LP Constellation 10% owner | Jan 30, 2024 | Conversion | +7,600,000 | – | – | 7,600,000 |
| Jeffrey A. Altman 10% owner | Oct 6, 2023 | Sale | −250,000 | $10.88 | $2.72M | 250,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.