Insider · CIK 0001553338
William D. Waddill
Files at: PTGX, ANNX, ARWR, CALA. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 23, 2026 SForm 4 → | Jun 25, 4:10 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | $117.94 | $1,061,460 | 7,825 | −53.5% | 10b5-1 |
| Jun 23, 2026 MForm 4 → | Jun 25, 4:10 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | $16.54 | $148,860 | 16,825 | — | 10b5-1 |
| Jun 10, 2026 SForm 4 → | Jun 11, 7:06 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | $107.68 | $969,120 | 7,825 | −53.5% | 10b5-1 |
| Jun 10, 2026 MForm 4 → | Jun 11, 7:06 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | $14.96 | $134,640 | 16,825 | — | 10b5-1 |
| Jan 11, 2019 SForm 4 → | Jan 11, 6:15 pm EST | ARROWHEAD PHARMACEUTICALS, INC.ARWR | 8,500 | $14.77 | $125,545 | 46,500 | −15.5% | plan? |
| Jan 1, 2019 AForm 4 → | Jan 3, 8:18 pm EST | ARROWHEAD PHARMACEUTICALS, INC.ARWR | 30,000 | — | — | 55,000 | — | plan? |
| Jan 1, 2018 AForm 4 → | Jan 3, 7:46 pm EST | ARROWHEAD PHARMACEUTICALS, INC.ARWR | 25,000 | — | — | 25,000 | — | plan? |
| Sep 29, 2016 JForm 4 → | Oct 3, 9:41 pm EDT | Calithera Biosciences, Inc.CALA | 17,485 | — | — | 17,485 | — | plan? |
| Jul 14, 2015 MForm 4 → | Jul 16, 5:41 pm EDT | Calithera Biosciences, Inc.CALA | 13,125 | $2.64 | $34,650 | 15,625 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 23, 2026 MForm 4 → | Jun 25, 4:10 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | — | — | 0 | — | 10b5-1 |
| Jun 11, 2026 AForm 4 → | Jun 15, 4:15 pm EDT | Annexon, Inc.ANNX | 65,000 | — | — | 65,000 | — | |
| Jun 10, 2026 MForm 4 → | Jun 11, 7:06 pm EDT | Protagonist Therapeutics, IncPTGX | 9,000 | — | — | 9,000 | — | 10b5-1 |
| May 29, 2018 AForm 4 → | Jun 12, 6:52 pm EDT | Protagonist Therapeutics, IncPTGX | 12,000 | — | — | 12,000 | — | late |
| May 25, 2017 AForm 4 → | May 26, 5:37 pm EDT | Protagonist Therapeutics, IncPTGX | 12,000 | — | — | 12,000 | — | |
| Nov 29, 2016 AForm 4 → | Dec 1, 4:05 pm EST | Calithera Biosciences, Inc.CALA | 75,000 | — | — | 75,000 | — | |
| Sep 13, 2016 AForm 4 → | Sep 15, 4:27 pm EDT | Protagonist Therapeutics, IncPTGX | 24,000 | — | — | 24,000 | — | |
| Jan 19, 2016 AForm 4 → | Jan 21, 6:46 pm EST | Calithera Biosciences, Inc.CALA | 70,000 | — | — | 70,000 | — | |
| Jul 14, 2015 MForm 4 → | Jul 16, 5:41 pm EDT | Calithera Biosciences, Inc.CALA | 13,125 | — | — | 61,880 | — | |
| Feb 11, 2015 AForm 4 → | Feb 12, 8:53 pm EST | Calithera Biosciences, Inc.CALA | 45,000 | — | — | 45,000 | — |