Insider · CIK 0001553338
William D. Waddill
Files at ARWR (ARROWHEAD PHARMACEUTICALS, INC.), PTGX (Protagonist Therapeutics, Inc), ANNX (Annexon, Inc.). First filing Dec 18, 2024, latest Dec 23, 2025.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
ARWR: ARROWHEAD PHARMACEUTICALS, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
PTGX: Protagonist Therapeutics, Inc
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 34Weak | ARROWHEAD PHARMACEUTICALS, INC. | $566k 8,367 shares | -13% | +582% from low-4% from high | |
| 18Weak | Protagonist Therapeutics, Inc | $257k 4,000 shares | -44% | +84% from low0% from high | |
| 18Weak | Protagonist Therapeutics, Inc | $237k 4,000 shares | -30% | +75% from low0% from high | |
| 26Weak | ARROWHEAD PHARMACEUTICALS, INC. | $165k 7,495 shares | -16% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 19, 2025 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -2,416 | $66.66 | $161k | 62,514 | Dec 23, 2025 |
| Dec 19, 2025 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -5,451 | $68.01 | $371k | 57,063 | Dec 23, 2025 |
| Dec 19, 2025 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -500 | $68.53 | $34k | 56,563 | Dec 23, 2025 |
| Dec 16, 2025 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | AGrant or award Common Stock | +7,819 | $0.00 | $0 | 64,930 | Dec 18, 2025 |
| Sep 22, 2025 | PTGX Protagonist Therapeutics, Inc | SOpen-market sale Common Stock10b5-1 | -4,000 | $64.25 | $257k | 5,130 | Sep 24, 2025 |
| Aug 27, 2025 | PTGX Protagonist Therapeutics, Inc | SOpen-market sale Common Stock10b5-1 | -4,000 | $59.25 | $237k | 9,130 | Aug 29, 2025 |
| Jun 5, 2025 | ANNX Annexon, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +55,000 | $0.00 | $0 | 55,000 | Jun 9, 2025 |
| Dec 18, 2024 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | AGrant or award Common Stock | +16,733 | $22.99 | $385k | 57,111 | Dec 20, 2024 |
| Dec 16, 2024 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -3,748 | $21.90 | $82k | 44,125 | Dec 18, 2024 |
| Dec 17, 2024 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | SOpen-market sale Common Stock10b5-1 | -3,747 | $22.04 | $83k | 40,378 | Dec 18, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.