Director Waddill William D. sold Arrowhead Pharmaceuticals ($ARWR) shares on the open market three times in the last year for a total of $566 thousand, with the latest sale on December 19, 2025; these sales rank 6,183rd among insiders by value. He also sold Protagonist Therapeutics ($PTGX) shares six times for $3.36 million, most recently on February 6, 2026, ranking 2,512th. Among nearly 12,000 insiders with sales averaging $8.6 million over 6.4 transactions, Waddill made no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 6, 2026 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 20000 | $0.00 | 0.0000 | 63,573,048 | 100.00% | 0.03% |
| Feb. 6, 2026 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 20000 | $83.68 | 7,825.0000 | 63,573,048 | 71.88% | 0.03% |
| Feb. 6, 2026 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 20000 | $8.31 | 27,825.0000 | 63,573,048 | 255.59% | 0.03% |
| Jan. 2, 2026 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | A | Common Stock | 2695 | $0.00 | 7,825.0000 | 63,573,048 | 52.53% | 0.00% |
| Jan. 2, 2026 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | A | Stock Option (right to buy) | 3762 | $0.00 | 3,762.0000 | 63,573,048 | 9999.99% | 0.01% |
| Dec. 19, 2025 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 2416 | $66.66 | 62,514.0000 | 133,758,000 | 3.72% | 0.00% |
| Dec. 19, 2025 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 500 | $68.53 | 56,563.0000 | 133,758,000 | 0.88% | 0.00% |
| Dec. 19, 2025 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 5451 | $68.01 | 57,063.0000 | 133,758,000 | 8.72% | 0.00% |
| Dec. 16, 2025 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | A | Common Stock | 7819 | $0.00 | 64,930.0000 | 133,758,000 | 13.69% | 0.01% |
| Oct. 10, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 12000 | $6.98 | 17,130.0000 | 63,772,332 | 233.92% | 0.02% |
| Oct. 10, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 12000 | $0.00 | 0.0000 | 63,772,332 | 100.00% | 0.02% |
| Oct. 10, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 8000 | $87.81 | 5,130.0000 | 63,772,332 | 60.93% | 0.01% |
| Oct. 10, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 4000 | $69.25 | 13,130.0000 | 63,772,332 | 23.35% | 0.01% |
| Sept. 22, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 4000 | $64.25 | 5,130.0000 | 63,510,537 | 43.81% | 0.01% |
| Aug. 27, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 4000 | $59.25 | 9,130.0000 | 63,510,537 | 30.46% | 0.01% |
| June 5, 2025 | Annexon, Inc. | $ANNX | Waddill William D. | Not found | A | Stock Option (Right to Buy) | 55000 | $0.00 | 55,000.0000 | 137,404,145 | 9999.99% | 0.04% |
| March 17, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 4000 | $54.25 | 13,130.0000 | 65,077,722 | 23.35% | 0.01% |
| Jan. 2, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | A | Stock Option (right to buy) | 6584 | $0.00 | 6,584.0000 | 65,077,722 | 9999.99% | 0.01% |
| Jan. 2, 2025 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | A | Common Stock | 5130 | $0.00 | 17,130.0000 | 65,077,722 | 42.75% | 0.01% |
| Dec. 18, 2024 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | A | Common Stock | 16733 | $22.99 | 57,111.0000 | 119,784,000 | 41.44% | 0.01% |
| Dec. 17, 2024 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 3747 | $22.04 | 40,378.0000 | 119,784,000 | 8.49% | 0.00% |
| Dec. 16, 2024 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 3748 | $21.90 | 44,125.0000 | 119,784,000 | 7.83% | 0.00% |
| Sept. 10, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 8000 | $12.88 | 20,000.0000 | 61,305,289 | 66.67% | 0.01% |
| Sept. 10, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 8000 | $0.00 | 0.0000 | 61,305,289 | 100.00% | 0.01% |
| Sept. 10, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 8000 | $45.00 | 12,000.0000 | 61,305,289 | 40.00% | 0.01% |
| July 24, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 8000 | $0.00 | 8,000.0000 | 61,305,289 | 50.00% | 0.01% |
| July 24, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 8000 | $12.88 | 20,000.0000 | 61,305,289 | 66.67% | 0.01% |
| July 24, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 8000 | $40.00 | 12,000.0000 | 61,305,289 | 40.00% | 0.01% |
| June 3, 2024 | Turnstone Biologics Corp. | $TSBX | Waddill William D. | Not found | A | Stock Option (Right to Buy) | 12770 | $0.00 | 12,770.0000 | 0 | 9999.99% | 0.00% |
| June 7, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 8000 | $12.88 | 20,000.0000 | 63,595,328 | 66.67% | 0.01% |
| June 7, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 8000 | $0.00 | 16,000.0000 | 63,595,328 | 33.33% | 0.01% |
| June 7, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 8000 | $35.00 | 12,000.0000 | 63,595,328 | 40.00% | 0.01% |
| June 5, 2024 | Annexon, Inc. | $ANNX | Waddill William D. | Not found | A | Stock Option (Right to Buy) | 44000 | $0.00 | 44,000.0000 | 75,673,081 | 9999.99% | 0.06% |
| April 15, 2024 | Turnstone Biologics Corp. | $TSBX | Waddill William D. | Not found | A | Stock Option (Right to Buy) | 25540 | $0.00 | 25,540.0000 | 0 | 9999.99% | 0.00% |
| March 1, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | S | Common Stock | 12975 | $31.34 | 12,000.0000 | 56,763,559 | 51.95% | 0.02% |
| March 1, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Stock Option (right to buy) | 12975 | $0.00 | 0.0000 | 56,763,559 | 100.00% | 0.02% |
| March 1, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | M | Common Stock | 12975 | $6.09 | 24,975.0000 | 56,763,559 | 108.13% | 0.02% |
| Jan. 11, 2024 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 1300 | $38.59 | 47,870.0000 | 106,750,000 | 2.64% | 0.00% |
| Jan. 11, 2024 | ARROWHEAD PHARMACEUTICALS, INC. | $ARWR | Waddill William D. | Director | S | Common Stock | 2634 | $37.81 | 49,170.0000 | 106,750,000 | 5.08% | 0.00% |
| Jan. 2, 2024 | Protagonist Therapeutics, Inc | $PTGX | Waddill William D. | Director | A | Stock Option (right to buy) | 25700 | $0.00 | 25,700.0000 | 56,763,559 | 9999.99% | 0.05% |