Cayson Acquisition Corp (CAPN) shareholders
CAPNNasdaqBlank ChecksFiscal year ends December 31Also trades as CAPNR, CAPNU
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$11.46+0.00 (0.00%)
Close on Nov 13, 2026Market cap $60.60MP/E –Yield –
Ownership
Who owns Cayson Acquisition'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 |
|---|---|---|---|---|
| Berkley Insurance Company Joint filing with W.R. Berkley Corporation (9.40%) | 997,282 | 9.40% | 13G (passive) amendment | Mar 31, 2026 |
| Yawei Cao | 882,280 | 10.90% | 13D (active) | Sep 19, 2024 |
| Cayson Holding LP | 862,500 | 10.70% | 13D (active) | Sep 19, 2024 |
| Lawrence M. Feis Joint filing with Feis Equities LLC (9.83%) | 769,472 | 9.83% | 13G (passive) amendment | Dec 31, 2025 |
| Mizuho Financial Group, Inc. | 704,500 | 9.00% | 13G (passive) amendment | Jun 30, 2025 |
| Wolverine Asset Management LLC Joint filing with Wolverine Trading Partners, Inc. (7.03%), Wolverine Holdings, L.P. (7.03%) and 2 more | 515,107 | 7.03% | 13G (passive) amendment | Mar 31, 2025 |
| Wolverine Trading Partners, Inc. Joint filing with Wolverine Asset Management LLC (5.16%), Wolverine Holdings, L.P. (5.16%) and 2 more | 403,715 | 5.16% | 13G (passive) | Dec 31, 2024 |
| Wolverine Holdings, LLC Joint filing with Wolverine Asset Management, LLC (5.21%), Christopher L. Gust (5.21%) and 1 more | 275,700 | 5.21% | 13G (passive) amendment | Mar 31, 2026 |
| Polar Asset Management Partners Inc. | 275,000 | 5.20% | 13G (passive) | Mar 31, 2026 |
| W. R. Berkley Corporation Joint filing with Berkley Insurance Company (7.10%) | 273,164 | 7.10% | 13G (passive) amendment | Sep 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Yawei Cao | CEO, Director, 10% owner | 766,905 | Oct 26, 2026 |
| Sanxin Yan | Director | – | Oct 22, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −200 | – | – | 766,905 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −200 | – | – | 767,105 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −200 | – | – | 767,305 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −200 | – | – | 767,505 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −200 | – | – | 767,705 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −150 | – | – | 767,905 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −150 | – | – | 768,055 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −150 | – | – | 768,205 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −150 | – | – | 768,355 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −150 | – | – | 768,505 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −125 | – | – | 768,655 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −125 | – | – | 768,780 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −125 | – | – | 768,905 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −125 | – | – | 769,030 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −125 | – | – | 769,155 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −100 | – | – | 769,280 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −100 | – | – | 769,380 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −100 | – | – | 769,480 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −100 | – | – | 769,580 |
| Yawei Cao CEO, Director, 10% owner | Oct 23, 2026 | Gift | −100 | – | – | 769,680 |
| Yawei Cao Chief Executive Officer, Director, 10% owner | Oct 15, 2024 | Returned to company | −112,500 | – | – | 769,780 |
| Dahe Zhang Chief Financial Officer, 10% owner | Oct 15, 2024 | Returned to company | −112,500 | – | – | 750,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
0M shares short
Days to cover
1.0
At 0M shares a day
Change since last report
+15.5%
From 0M shares
Short volume, 20 days
9.2%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Cayson Acquisition's stock actually held short. Settlement fails (shares not delivered on time) peaked at 97 shares on Sep 4, 2026 over the last 90 days.
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