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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026
- 0
- 13F valueReported value at the end of Q2 2026
- $0
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding CSTAF, Q2 2026
No superinvestor reported holding CSTAF at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Constellation Acquisition Corp I insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 10, 2023 (view filing)5:01 PM ET | Oct 6 | 4 days | Altman Jeffrey A and 1 other10% Owner | SSaleClass A Ordinary Shares, par value $0.0001 per share | −250.0K | $10.88 | −$2.72M | −50.0%250.0K after | |
| Jan 30, 2023 (view filing) | Jan 26 | 4 days | Constellation Sponsor GmbH & Co. KG10% Owner | SSaleClass A Ordinary Shares | −7.63M | – | – | –0 after | Derivative |
| Jan 30, 2023 (view filing) | Jan 26 | 4 days | Stapp ThomasChief Financial Officer | SSaleClass A Ordinary Shares | −204.2K | – | – | –0 after | Derivative |
| Jan 30, 2023 (view filing) | Jan 26 | 4 days | Weckwerth MartinDirector | SSaleClass A Ordinary Shares | −1.53M | – | – | –0 after | Derivative2 lots |
| Jan 30, 2023 (view filing) | Jan 26 | 4 days | Kleinfeld KlausChief Executive Officer | SSaleClass A Ordinary Shares | −1.53M | – | – | –0 after | Derivative |
| Jan 30, 2023 (view filing) | Jan 26 | 4 days | Kleinfeld KlausChief Executive Officer | SSaleClass A Ordinary Shares | −77.8K | – | – | –0 after | Derivative |
Top 10 13F holders, Q2 2026
The largest institutional positions in Constellation Acquisition Corp I at the end of Q2 2026; share changes are against Q1 2026.
No institution reported holding CSTAF in 13F filings for Q2 2026.