Siffermann William A
Known title: Vice PresidentCIK: 0001714150
Siffermann William A's purchase track record
How the stock did after each of Siffermann William A's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
8
of 8 since March 30, 2023
Stock higher 6 months later
38%
3 months: 25%
Median 6-month return
-0.9%
3 months: -0.7%
Beat the S&P 500
13%
median -14.6% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 3/5/2026 | NMZ | $1K | -0.7% | -2.9% | +13.4% |
| 3/5/2026 | NAD | $1K | -0.5% | -2.3% | +13.4% |
| 3/5/2026 | JRS | $811 | +3.9% | +6.0% | +13.4% |
| 3/4/2026 | NMAI | $1K | +6.7% | +11.8% | +11.6% |
| 3/4/2026 | NBB | $1K | -1.3% | -1.8% | +11.6% |
| 3/21/2025 | NAD | $3K | -2.1% | +4.3% | +17.6% |
| 3/21/2025 | NMZ | $3K | -5.8% | -0.0% | +17.6% |
| 3/30/2023 | NAD | $1K | -0.8% | -10.3% | +6.1% |
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
this person other insiders at JRS
this person other insiders at NMZ
this person other insiders at NMAI
this person other insiders at NBB
Transaction History
| JRS | ▲ Buy | Open Market | 100 | $811 | 3/5/2026 | View on chart |
| NAD | ▲ Buy | Open Market | 100 | $1K | 3/5/2026 | View on chart |
| NMZ | ▲ Buy | Open Market | 100 | $1K | 3/5/2026 | View on chart |
| NMAI | ▲ Buy | Open Market | 75 | $1K | 3/4/2026 | View on chart |
| NBB | ▲ Buy | Open Market | 75 | $1K | 3/4/2026 | View on chart |
| NAD | ▲ Buy | Open Market | 300 | $3K | 3/21/2025 | View on chart |
| NMZ | ▲ Buy | Open Market | 300 | $3K | 3/21/2025 | View on chart |
| NAD | ▲ Buy | Open Market | 100 | $1K | 3/30/2023 | View on chart |