William D. Waddill
CIK 1553338 · View on SEC EDGAR ↗
Insider
First SEC filing: June 11, 2026 · Latest: June 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
8 sells (S)
Net:
$-6,074,420
+ 43 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
43 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 23, 2026 | PTGX | S 10b5-1 | 9,000 | $117.94 | $1,061,460 | 7,825 Direct | -53.49% | Disposed | 29.2% (price as of 2026-08-20) |
| June 10, 2026 | PTGX | S 10b5-1 | 9,000 | $107.68 | $969,120 | 7,825 Direct | -53.49% | Disposed | 41.5% (price as of 2026-08-20) |
| May 29, 2026 | PTGX | S 10b5-1 | 9,000 | $99.64 | $896,760 | 7,825 Direct | -53.49% | Disposed | 52.9% (price as of 2026-08-20) |
| Feb. 6, 2026 | PTGX | S | 20,000 | $83.68 | $1,673,600 | 7,825 Direct | -71.88% | Disposed | 82.1% (price as of 2026-08-20) |
| Oct. 10, 2025 | PTGX | S 10b5-1 | 8,000 | $87.81 | $702,480 | 5,130 Direct | -60.93% | Disposed | 73.5% (price as of 2026-08-20) |
| Oct. 10, 2025 | PTGX | S 10b5-1 | 4,000 | $69.25 | $277,000 | 13,130 Direct | -23.35% | Disposed | 120.1% (price as of 2026-08-20) |
| Sept. 22, 2025 | PTGX | S 10b5-1 | 4,000 | $64.25 | $257,000 | 5,130 Direct | -43.81% | Disposed | 137.2% (price as of 2026-08-20) |
| Aug. 27, 2025 | PTGX | S 10b5-1 | 4,000 | $59.25 | $237,000 | 9,130 Direct | -30.46% | Disposed | 157.2% (price as of 2026-08-20) |
| March 17, 2025 | PTGX | S 10b5-1 | 4,000 | $54.25 | $217,000 | 13,130 Direct | -23.35% | Disposed | 180.9% (price as of 2026-08-20) |
| Sept. 10, 2024 | PTGX | S 10b5-1 | 8,000 | $45.00 | $360,000 | 12,000 Direct | -40.00% | Disposed | 238.6% (price as of 2026-08-20) |
| July 24, 2024 | PTGX | S 10b5-1 | 8,000 | $40.00 | $320,000 | 12,000 Direct | -40.00% | Disposed | 281.0% (price as of 2026-08-20) |
| June 7, 2024 | PTGX | S 10b5-1 | 8,000 | $35.00 | $280,000 | 12,000 Direct | -40.00% | Disposed | 335.4% (price as of 2026-08-20) |
| March 1, 2024 | PTGX | S 10b5-1 | 12,975 | $31.34 | $406,636 | 12,000 Direct | -51.95% | Disposed | 386.2% (price as of 2026-08-20) |
| Jan. 9, 2023 | ARWR | S 10b5-1 | 3,200 | $30.00 | $96,000 | 28,950 Direct | -9.95% | Disposed | 191.0% (price as of 2026-08-20) |
| Jan. 3, 2022 | ARWR | S 10b5-1 | 272 | $66.25 | $18,020 | 25,750 Direct | -1.05% | Disposed | 31.8% (price as of 2026-08-20) |
| Jan. 3, 2022 | ARWR | S 10b5-1 | 2,128 | $65.01 | $138,341 | 26,022 Direct | -7.56% | Disposed | 34.3% (price as of 2026-08-20) |
| Jan. 3, 2022 | ARWR | S 10b5-1 | 2,100 | $64.23 | $134,883 | 28,150 Direct | -6.94% | Disposed | 35.9% (price as of 2026-08-20) |
| Jan. 4, 2021 | ARWR | S | 3,750 | $76.08 | $285,300 | 30,250 Direct | -11.03% | Disposed | 14.7% (price as of 2026-08-20) |
| Dec. 10, 2020 | ARWR | S | 1,800 | $73.10 | $131,580 | 25,000 Direct | -6.72% | Disposed | 19.4% (price as of 2026-08-20) |
| Dec. 10, 2020 | ARWR | S | 1,200 | $68.50 | $82,200 | 26,800 Direct | -4.29% | Disposed | 27.4% (price as of 2026-08-20) |
| May 11, 2020 | ARWR | S | 26,000 | $36.54 | $950,040 | 28,000 Direct | -48.15% | Disposed | 138.9% (price as of 2026-08-20) |
| Jan. 11, 2019 | ARWR | S | 8,500 | $14.77 | $125,545 | 46,500 Direct | -15.45% | Disposed | 491.1% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 23, 2026 | PTGX | Stock Option (right to buy) | Common Stock (9,000) | $16.54 | May 27, 2030 | 9,000 | Disposed |
| June 11, 2026 | ANNX | Stock Option (Right to Buy) | Common Stock (65,000) | $4.70 | June 11, 2036 | 65,000 | Acquired |
| June 10, 2026 | PTGX | Stock Option (right to buy) | Common Stock (6,000) | $16.54 | May 27, 2030 | 6,000 | Disposed |
| June 10, 2026 | PTGX | Stock Option (right to buy) | Common Stock (3,000) | $11.80 | June 6, 2029 | 3,000 | Disposed |
| May 29, 2026 | PTGX | Stock Option (right to buy) | Common Stock (9,000) | $11.80 | June 6, 2029 | 9,000 | Disposed |
| Feb. 6, 2026 | PTGX | Stock Option (right to buy) | Common Stock (20,000) | $8.31 | May 25, 2032 | 20,000 | Disposed |
| Jan. 2, 2026 | PTGX | Stock Option (right to buy) | Common Stock (3,762) | $87.18 | Jan. 2, 2036 | 3,762 | Acquired |
| Oct. 10, 2025 | PTGX | Stock Option (right to buy) | Common Stock (12,000) | $6.98 | May 28, 2028 | 12,000 | Disposed |
| Jan. 2, 2025 | PTGX | Stock Option (right to buy) | Common Stock (6,584) | $38.98 | Jan. 2, 2035 | 6,584 | Acquired |
| Sept. 10, 2024 | PTGX | Stock Option (right to buy) | Common Stock (8,000) | $12.88 | Sept. 13, 2026 | 8,000 | Disposed |
| July 24, 2024 | PTGX | Stock Option (right to buy) | Common Stock (8,000) | $12.88 | Sept. 13, 2026 | 8,000 | Disposed |
| June 7, 2024 | PTGX | Stock Option (right to buy) | Common Stock (8,000) | $12.88 | Sept. 13, 2026 | 8,000 | Disposed |
| March 1, 2024 | PTGX | Stock Option (right to buy) | Common Stock (12,975) | $6.09 | July 16, 2026 | 12,975 | Disposed |
| Jan. 2, 2024 | PTGX | Stock Option (right to buy) | Common Stock (25,700) | $23.42 | Jan. 2, 2034 | 25,700 | Acquired |
| Jan. 16, 2023 | PTGX | Stock Option (right to buy) | Common Stock (30,000) | $12.17 | Jan. 15, 2033 | 30,000 | Acquired |
| Jan. 10, 2023 | ARWR | Common Stock | Common Stock (4,593) | $33.03 | Jan. 10, 2033 | 4,593 | Acquired |
| May 26, 2022 | PTGX | Stock Option (right to buy) | Common Stock (20,000) | $8.31 | May 26, 2032 | 20,000 | Acquired |
| May 3, 2022 | PTGX | Stock Option (right to buy) | Common Stock (12,000) | $8.59 | May 25, 2027 | 12,000 | Disposed |
| May 27, 2021 | PTGX | Stock Option (right to buy) | Common Stock (18,000) | $35.23 | May 26, 2031 | 18,000 | Acquired |
| May 28, 2020 | PTGX | Stock Option (right to buy) | Common Stock (15,000) | $16.54 | May 27, 2030 | 15,000 | Acquired |
| June 7, 2019 | PTGX | Stock Option (right to buy) | Common Stock (12,000) | $11.80 | June 6, 2029 | 12,000 | Acquired |
| May 29, 2018 | PTGX | Stock Option (right to buy) | Common Stock (12,000) | $6.98 | May 28, 2028 | 12,000 | Acquired |
| May 25, 2017 | PTGX | Stock Option (right to buy) | Common Stock (12,000) | $8.59 | May 25, 2027 | 12,000 | Acquired |
| Sept. 13, 2016 | PTGX | Stock Option (right to buy) | Common Stock (24,000) | $12.88 | Sept. 13, 2026 | 24,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 10, 2016 | PTGX | Stock Option (right to buy)→ Common Stock (12,975) | 12,975 | Direct |