Mark D. Klein
Known title: Chairman, CEO and PresidentCIK: 0001322402
Mark D. Klein's purchase track record
How the stock did after each of Mark D. Klein's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
10
of 12 since December 13, 2021
Stock higher 6 months later
70%
3 months: 64%
Median 6-month return
+9.4%
3 months: +7.0%
Beat the S&P 500
40%
median -7.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 8/10/2026 | NSLR | $250K | pending | pending | — |
| 4/21/2026 | NSLR | $66K | -14.6% | pending | — |
| 8/11/2025 | NSLR | $124K | +20.1% | +18.2% | +9.3% |
| 5/9/2025 | NSLR | $87K | +65.5% | +92.5% | +18.9% |
| 11/26/2024 | NSLR | $422K | +9.2% | +32.3% | -1.7% |
| 8/20/2024 | NSLR | $46K | +27.5% | +64.2% | +9.5% |
| 12/6/2023 | NSLR | $61K | +6.9% | +2.5% | +17.7% |
| 11/28/2023 | NSLR | $361K | +9.2% | +6.4% | +16.5% |
| 11/17/2023 | NSLR | $35K | +7.0% | +12.3% | +17.5% |
| 12/5/2022 | NSLR | $296K | -4.9% | -12.2% | +6.9% |
| 11/11/2022 | NSLR | $213K | -10.0% | -18.2% | +3.3% |
| 12/13/2021 | NSLR | $249K | -25.6% | -39.1% | -19.7% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| NSLR | ▲ Buy | Open Market | 26,040 | $250K | 8/10/2026 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 293,265 | $4.0M | 6/15/2026 | View on chart |
| NSLR | ▲ Buy | Grant | 350,000 | $0 | 6/12/2026 | View on chart |
| NSLR | ▲ Buy | Open Market | 2,500 | $33K | 4/22/2026 | View on chart |
| NSLR | ▲ Buy | Open Market | 2,500 | $33K | 4/21/2026 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 17,017 | $157K | 12/15/2025 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 17,017 | $163K | 12/10/2025 | View on chart |
| NSLR | ▲ Buy | Grant | 174,465 | $0 | 11/21/2025 | View on chart |
| NSLR | ▲ Buy | Open Market | 10,000 | $85K | 8/12/2025 | View on chart |
| NSLR | ▲ Buy | Open Market | 4,571 | $40K | 8/11/2025 | View on chart |
| NSLR | ▲ Buy | Grant | 300,000 | $0 | 5/16/2025 | View on chart |
| NSLR | ▲ Buy | Open Market | 16,500 | $87K | 5/9/2025 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 32,858 | $203K | 2/10/2025 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 17,017 | $102K | 12/16/2024 | View on chart |
| NSLR | ▲ Buy | Grant | 100,000 | $0 | 12/10/2024 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 21,272 | $131K | 12/10/2024 | View on chart |
| NSLR | ▲ Buy | Open Market | 743 | $4K | 12/2/2024 | View on chart |
| NSLR | ▲ Buy | Open Market | 39,000 | $203K | 11/29/2024 | View on chart |
| NSLR | ▲ Buy | Open Market | 32,257 | $165K | 11/27/2024 | View on chart |
| NSLR | ▲ Buy | Open Market | 10,000 | $50K | 11/26/2024 | View on chart |
| NSLR | ▲ Buy | Open Market | 12,000 | $46K | 8/20/2024 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 41,273 | $146K | 2/12/2024 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 32,285 | $109K | 2/9/2024 | View on chart |
| NSLR | ▲ Buy | Grant | 100,000 | $0 | 12/15/2023 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 21,272 | $91K | 12/11/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 14,815 | $61K | 12/6/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 19,000 | $76K | 12/5/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 19,000 | $77K | 12/4/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 11,885 | $48K | 12/1/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 18,900 | $75K | 11/30/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 19,000 | $76K | 11/29/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 2,400 | $10K | 11/28/2023 | View on chart |
| NSLR | ▲ Buy | Open Market | 9,000 | $35K | 11/17/2023 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 40,781 | $157K | 2/10/2023 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 31,900 | $122K | 2/9/2023 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 21,271 | $80K | 12/12/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 22,034 | $83K | 12/8/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 21,521 | $79K | 12/7/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 34,500 | $128K | 12/6/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 1,545 | $6K | 12/5/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 25,000 | $105K | 11/14/2022 | View on chart |
| NSLR | ▲ Buy | Open Market | 25,000 | $109K | 11/11/2022 | View on chart |
| NSLR | ▼ Sell | Tax Withholding | 40,929 | $486K | 2/10/2022 | View on chart |
| NSLR | ▲ Buy | Grant | 192,791 | $0 | 2/9/2022 | View on chart |
| NSLR | ▼ Sell | Other | 58,690 | $0 | 12/30/2021 | View on chart |
| NSLR | ▲ Buy | Open Market | 11,600 | $132K | 12/14/2021 | View on chart |
| NSLR | ▲ Buy | Open Market | 10,000 | $118K | 12/13/2021 | View on chart |
| NSLR | ▲ Buy | Grant | 125,000 | $0 | 12/10/2021 | View on chart |
| NSLR | ▼ Sell | Other | 57,939 | $0 | 9/30/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 2, 2026
Neostellar Capital faces skepticism on growth potential
A recent SeekingAlpha article questions whether Neostellar Capital can achieve its ambitious goals, suggesting not all companies in the sector will succeed. This narrative adds context to the stock's current valuation, which sits near its 52-week low. The company maintains a low P/E ratio and a notable dividend yield, but investor sentiment remains cautious.
Neostellar Capital faces skepticism on growth potential. A recent SeekingAlpha article questions whether Neostellar Capital can achieve its ambitious goals, suggesting not all companies in the sector will succeed. This narrative adds context to the stock's current valuation, which sits near its 52-week low. The company maintains a low P/E ratio and a notable dividend yield, but investor sentiment remains cautious.