Lewis T Williams
CIK 1475714 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 15, 2019 · Latest: Oct. 15, 2019
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,483,560
+ 17 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
17 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 17, 2026 | PTGX | S | 18,000 | $82.42 | $1,483,560 | 7,825 Direct | -69.70% | Disposed | 84.2% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 17, 2026 | PTGX | Stock Option (right to buy) | Common Stock (18,000) | $10.84 | June 15, 2027 | 18,000 | Acquired |
| Jan. 2, 2026 | PTGX | Stock Option (right to buy) | Common Stock (3,762) | $87.18 | Jan. 2, 2036 | 3,762 | Acquired |
| Jan. 2, 2025 | PTGX | Stock Option (right to buy) | Common Stock (6,584) | $38.98 | Jan. 2, 2035 | 6,584 | Acquired |
| 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 |
| May 26, 2022 | PTGX | Stock Option (right to buy) | Common Stock (20,000) | $8.31 | May 26, 2032 | 20,000 | Acquired |
| May 27, 2021 | PTGX | Stock Option (right to buy) | Common Stock (18,000) | $35.23 | May 26, 2031 | 18,000 | Acquired |
| May 11, 2021 | NGNE | Stock Option (Right to Buy) | Common Stock (25,000) | $11.40 | May 10, 2031 | 25,000 | Acquired |
| May 28, 2020 | PTGX | Stock Option (right to buy) | Common Stock (15,000) | $16.54 | May 27, 2030 | 15,000 | Acquired |
| May 5, 2020 | NGNE | Stock Option (Right to Buy) | Common Stock (25,000) | $12.84 | May 5, 2030 | 25,000 | Acquired |
| Oct. 10, 2019 | NGNE | Stock Option (right to buy) | Common Stock (22,000) | $2.82 | Oct. 9, 2029 | 22,000 | 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 |
| June 15, 2017 | PTGX | Stock Option (right to buy) | Common Stock (24,000) | $10.84 | June 15, 2027 | 24,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).