Who
Mark D. Klein
Chairman, CEO and President
Company insider
Files Form 4 as: Chairman, CEO and President, Neostellar Capital; Director, Claritev; Director, Atlantic Alliance Partnership; Director, BRC Group Holdings; CEO & President, Alternative Asset Management Acquisition; Director, American Apparel.
In numbers
- Trades disclosed
- 123
- Buys
- 71
- Sells
- 0
- Bought
- $10.2M
- Sold
- $0
- Companies
- 6
- Companies where not an officer
- 4
- First trade
- 17 Apr 2008
- Last trade
- 21 Sep 2026
- Last filed
- 22 Sep 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 | |
|---|---|---|---|---|
| 21 Sep 2026filed 22 Sep 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $40K5,000 at $7.91 | filing |
| 21 Sep 2026filed 22 Sep 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $40K5,000 at $7.91 | filing |
| 10 Aug 2026filed 10 Aug 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $250K26,040 at $9.60 | filing |
| 10 Aug 2026filed 10 Aug 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $250K26,040 at $9.60 | filing |
| 15 Jun 2026filed 16 Jun 2026 | SuRo Capital | SEC FORM 4 Code F | $4.0M293,265 at $13.56 | filing |
| 15 Jun 2026filed 16 Jun 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code F | $4.0M293,265 at $13.56 | filing |
| 12 Jun 2026filed 16 Jun 2026 | SuRo Capital | SEC FORM 4 Code A | —350,000 at $0.00 | filing |
| 12 Jun 2026filed 16 Jun 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code A | —350,000 at $0.00 | filing |
| 22 Apr 2026filed 22 Apr 2026 | SuRo Capital | SEC FORM 4 Bought | $33K2,500 at $13.25 | filing |
| 22 Apr 2026filed 22 Apr 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $33K2,500 at $13.25 | filing |
| 21 Apr 2026filed 22 Apr 2026 | SuRo Capital | SEC FORM 4 Bought | $33K2,500 at $13.08 | filing |
| 21 Apr 2026filed 22 Apr 2026 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $33K2,500 at $13.08 | filing |
| 15 Dec 2025filed 16 Dec 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code F | $157K17,017 at $9.24 | filing |
| 10 Dec 2025filed 16 Dec 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code F | $163K17,017 at $9.59 | filing |
| 21 Nov 2025filed 25 Nov 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code A | —174,465 at $0.00 | filing |
| 12 Aug 2025filed 12 Aug 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $85K10,000 at $8.45 | filing |
| 11 Aug 2025filed 12 Aug 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $40K4,571 at $8.69 | filing |
| 16 May 2025filed 19 May 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code A | —300,000 at $0.00 | filing |
| 9 May 2025filed 9 May 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Bought | $87K16,500 at $5.26 | filing |
| 10 Feb 2025filed 12 Feb 2025 | NSLR Neostellar CapitalFunds, Shells & SPACs | SEC FORM 4 Code F | $203K32,858 at $6.17 | filing |
News
Neostellar Capital (NASDAQ:NSLR) vs. Fidelity National Information Services (NYSE:FIS) Financial ReviewNSLR · dailypolitical.com · 20 Oct 2026Neostellar Capital (NASDAQ:NSLR) vs. PayPal (NASDAQ:PYPL) Critical SurveyNSLR · themarketsdaily.com · 14 Oct 2026Reviewing Freedom (NASDAQ:FRHC) and Neostellar Capital (NASDAQ:NSLR)NSLR · tickerreport.com · 12 Oct 2026
0 headlines in the last 90 days name Mark D. Klein; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.