Open Insider Trading Activity for Alpine Immune Sciences, Inc. Director Topper James N
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALPN | 2024-04-29 | 2024-04-25 | Alpine Immune Sciences, Inc. | Topper James N | Director | Sell | 1 | 19 | $64.57 | $1,226.83 | <0.01% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. ALPN | 2022-02-15 | 2022-02-11 | Alpine Immune Sciences, Inc. | Topper James N | Director,TenPercentOwner | Buy | 1 | 112,665 | $7.10 | $799,921.50 | 7.59% | View Filing |