Who
Michael Stuart Klein
Director and Officer and 10% owner
Company insider
Files Form 4 as: Director and Officer and 10% owner, Churchill Capital Corp XIII; Director, Skillsoft; Director and 10% owner, Claritev; Director and Officer and 10% owner, Churchill Capital Corp XII; Director and Officer and 10% owner, Infleqtion; Director and Officer and 10% owner, Churchill Capital Corp XI; Chairman, Oklo; Director, Hall of Fame Resort & Entertainment Co.
In numbers
- Trades disclosed
- 73
- Buys
- 8
- Sells
- 3
- Bought
- $38.8M
- Sold
- $10.5M
- Companies
- 10
- Companies where not an officer
- 4
- First trade
- 28 Feb 2007
- Last trade
- 3 Aug 2026
- Last filed
- 5 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 3 Aug 2026filed 5 Aug 2026 | XIIIU Churchill Capital Corp XIIIFunds, Shells & SPACs | SEC FORM 4 Bought | $3.5M350,000 at $10.00 | filing |
| 3 Aug 2026filed 5 Aug 2026 | XIIIU Churchill Capital Corp XIIIFunds, Shells & SPACs | SEC FORM 4 Bought | $3.5M350,000 at $10.00 | filing |
| 30 Jun 2026filed 2 Jul 2026 | SKIL Skillsoftoption or derivative · Software | SEC FORM 4 Code A | —17,500 at $0.00 | filing |
| 30 Jun 2026filed 2 Jul 2026 | SKIL Skillsoftoption or derivative · Software | SEC FORM 4 Code A | —17,500 at $0.00 | filing |
| 25 Jun 2026filed 26 Jun 2026 | SKIL SkillsoftSoftware | SEC FORM 4 Code M | —12,430 at $0.00 | filing |
| 25 Jun 2026filed 26 Jun 2026 | SKIL Skillsoftoption or derivative · Software | SEC FORM 4 Code M | —12,430 at $0.00 | filing |
| 25 Jun 2026filed 26 Jun 2026 | SKIL Skillsoftoption or derivative · Software | SEC FORM 4 Code M | —12,430 at $0.00 | filing |
| 25 Jun 2026filed 26 Jun 2026 | SKIL SkillsoftSoftware | SEC FORM 4 Code M | —12,430 at $0.00 | filing |
| 29 Apr 2026filed 1 May 2026 | CTEV ClaritevBusiness Services | SEC FORM 4 Code A | —8,977 at $0.00 | filing |
| 29 Apr 2026filed 1 May 2026 | CTEV ClaritevBusiness Services | SEC FORM 4 Code A | —8,977 at $0.00 | filing |
| 29 Apr 2026filed 29 Apr 2026 | CXIIU Churchill Capital Corp XIIFunds, Shells & SPACs | SEC FORM 4 Bought | $3.5M350,000 at $10.00 | filing |
| 29 Apr 2026filed 29 Apr 2026 | CXIIU Churchill Capital Corp XIIFunds, Shells & SPACs | SEC FORM 4 Bought | $3.5M350,000 at $10.00 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ InfleqtionPayments & Processors | SEC FORM 4 Code C | —10,650,000 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ Infleqtionoption or derivative · Payments & Processors | SEC FORM 4 Code C | —10,350,000 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ Infleqtionoption or derivative · Payments & Processors | SEC FORM 4 Code J | —75,000 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ Infleqtionoption or derivative · Payments & Processors | SEC FORM 4 Code C | —10,350,000 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ Infleqtionoption or derivative · Payments & Processors | SEC FORM 4 Code J | —75,000 | filing |
| 12 Feb 2026filed 17 Feb 2026 | INFQ InfleqtionPayments & Processors | SEC FORM 4 Code C | —10,650,000 | filing |
| 18 Dec 2025filed 19 Dec 2025 | CCXIU Churchill Capital Corp XIMachinery | SEC FORM 4 Bought | $5.0M500,000 at $10.00 | filing |
| 22 Sep 2025filed 24 Sep 2025 | OKLO OkloNuclear Technology | SEC FORM 4 Sold | $5.3M40,000 at $133.40 | filing |
News
No headline names them, or the companies they trade most, lately.