Charles Alan Williams: Insider Trades
Every open-market purchase and sale Charles Alan Williams reported on Form 4 since Aug 13, 2026, with how the stock moved after each purchase.
Track record of purchases
Of 3 purchases we can measure after 1 month, 0 beat the S&P 500. On average the stock did 6.6 percentage points worse than the index.
| After | Purchases measured | Average change | Median | Vs. S&P 500 | Rose |
|---|---|---|---|---|---|
| 1 week | 3 | +2.0% | +1.6% | +1.6% | 3 of 3 |
| 1 month | 3 | −6.9% | −4.6% | −6.6% | 0 of 3 |
Change in the stock price from the price paid to the closest weekly price about 1 week, 1 month, 3 months, 6 months and 1 year later, from SEC fails-to-deliver data. "Vs. S&P 500" subtracts the change in the SPY ETF over the same weeks. Dividends are not included, and purchases with a possible stock split in between are skipped. Past results do not predict future ones. How we measure this
All reported trades
| Filed | Ticker | Role | Type | Value | 3 mo. after |
|---|---|---|---|---|---|
| Oct 27 | NPB | CEO (ind.) | ▲ BUY | $766K | |
| Oct 27 | NPB | CEO (ind.) | ▲ BUY | $771K | |
| Sep 2 | NPB | CEO (ind.) | ▲ BUY | $1.42M | |
| Aug 26 | NPB | CEO (ind.) | ▲ BUY | $819K | |
| Aug 26 | NPB | CEO (ind.) | ▲ BUY | $508K |
Names come from the filings. Different people can share a name, so we group trades by the SEC's reporting-owner number (CIK) instead.