Schaefer William M
Known title: Chief Financial OfficerCIK: 0002018992
Schaefer William M's purchase track record
How the stock did after each of Schaefer William M's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
14
of 14 since May 1, 2024
Stock higher 6 months later
100%
3 months: 93%
Median 6-month return
+30.8%
3 months: +14.8%
Beat the S&P 500
100%
median +20.7% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 5/1/2025 | ISBA | $2K | +16.3% | +35.3% | +21.7% |
| 4/1/2025 | ISBA | $4K | +22.4% | +52.0% | +18.7% |
| 3/4/2025 | ISBA | $4K | +14.6% | +39.3% | +11.0% |
| 2/3/2025 | ISBA | $6K | +5.6% | +30.6% | +5.6% |
| 1/2/2025 | ISBA | $4K | -14.0% | +12.3% | +7.0% |
| 12/2/2024 | ISBA | $4K | +0.3% | +11.5% | -1.8% |
| 11/1/2024 | ISBA | $4K | +20.5% | +26.5% | -0.7% |
| 10/1/2024 | ISBA | $10K | +25.2% | +15.0% | -1.3% |
| 9/3/2024 | ISBA | $15K | +30.4% | +29.2% | +4.5% |
| 8/9/2024 | ISBA | $8K | +18.7% | +32.5% | +12.8% |
| 8/1/2024 | ISBA | $61K | +10.5% | +33.1% | +11.5% |
| 7/1/2024 | ISBA | $6K | +15.0% | +42.5% | +7.9% |
| 6/3/2024 | ISBA | $2K | +0.4% | +31.0% | +14.5% |
| 5/1/2024 | ISBA | $1K | +12.5% | +23.9% | +15.8% |
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
| ISBA | ▲ Buy | Open Market | 81 | $2K | 5/1/2025 | View on chart |
| ISBA | ▲ Buy | Open Market | 178 | $4K | 4/1/2025 | View on chart |
| ISBA | ▲ Buy | Open Market | 171 | $4K | 3/4/2025 | View on chart |
| ISBA | ▲ Buy | Open Market | 245 | $6K | 2/3/2025 | View on chart |
| ISBA | ▲ Buy | Grant | 558 | $0 | 1/31/2025 | View on chart |
| ISBA | ▲ Buy | Open Market | 162 | $4K | 1/2/2025 | View on chart |
| ISBA | ▲ Buy | Open Market | 169 | $4K | 12/2/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 194 | $4K | 11/1/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 496 | $10K | 10/1/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 823 | $15K | 9/3/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 400 | $8K | 8/9/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 1,200 | $23K | 8/8/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 1,500 | $28K | 8/6/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 528 | $10K | 8/1/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 347 | $6K | 7/1/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 112 | $2K | 6/3/2024 | View on chart |
| ISBA | ▲ Buy | Open Market | 58 | $1K | 5/1/2024 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 29, 2026
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