Peter A. Thompson
CIK 1357522 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 6, 2025 · Latest: Feb. 6, 2025
On this page
Insider at
Insider transactions
0 buys (P)
20 sells (S)
Net:
$-55,674,636
+ 54 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
54 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 7, 2026 | SION | S 10b5-1 | 85,918 | $44.86 | $3,854,281 | 2,469,959 Indirect | -3.36% | Disposed | -86.4% (price as of 2026-08-19) |
| June 30, 2026 | SION | S 10b5-1 | 115,844 | $45.50 | $5,270,902 | 2,555,877 Indirect | -4.34% | Disposed | -86.6% (price as of 2026-08-19) |
| May 27, 2026 | SION | S 10b5-1 | 101 | $44.49 | $4,493 | 2,671,721 Indirect | 0.00% | Disposed | -86.3% (price as of 2026-08-19) |
| May 11, 2026 | SION | S 10b5-1 | 184,639 | $46.22 | $8,534,015 | 2,671,822 Indirect | -6.46% | Disposed | -86.8% (price as of 2026-08-19) |
| May 8, 2026 | SION | S 10b5-1 | 59,767 | $44.58 | $2,664,413 | 2,856,461 Indirect | -2.05% | Disposed | -86.3% (price as of 2026-08-19) |
| May 7, 2026 | SION | S 10b5-1 | 48,546 | $44.61 | $2,165,637 | 2,916,228 Indirect | -1.64% | Disposed | -86.3% (price as of 2026-08-19) |
| April 18, 2026 | SION | S 10b5-1 | 2,948 | $44.52 | $131,245 | 2,964,774 Indirect | -0.10% | Disposed | -86.3% (price as of 2026-08-19) |
| April 17, 2026 | SION | S 10b5-1 | 52,397 | $44.68 | $2,341,098 | 2,967,722 Indirect | -1.73% | Disposed | -86.4% (price as of 2026-08-19) |
| April 16, 2026 | SION | S 10b5-1 | 226,906 | $45.34 | $10,287,918 | 3,020,119 Indirect | -6.99% | Disposed | -86.6% (price as of 2026-08-19) |
| April 15, 2026 | SION | S 10b5-1 | 235,863 | $44.64 | $10,528,924 | 3,247,025 Indirect | -6.77% | Disposed | -86.4% (price as of 2026-08-19) |
| April 14, 2026 | SION | S 10b5-1 | 47,814 | $44.51 | $2,128,201 | 3,482,888 Indirect | -1.35% | Disposed | -86.3% (price as of 2026-08-19) |
| Feb. 3, 2026 | SION | S | 29,063 | $44.58 | $1,295,629 | 3,530,702 Indirect | -0.82% | Disposed | -86.3% (price as of 2026-08-19) |
| Feb. 2, 2026 | SION | S | 1,890 | $44.57 | $84,237 | 3,559,765 Indirect | -0.05% | Disposed | -86.3% (price as of 2026-08-19) |
| Dec. 24, 2025 | SION | S | 33,356 | $44.55 | $1,486,010 | 3,561,655 Indirect | -0.93% | Disposed | -86.3% (price as of 2026-08-19) |
| Dec. 19, 2025 | SION | S | 875 | $44.49 | $38,929 | 3,595,011 Indirect | -0.02% | Disposed | -86.3% (price as of 2026-08-19) |
| Dec. 18, 2025 | SION | S | 100 | $44.49 | $4,449 | 3,595,886 Indirect | 0.00% | Disposed | -86.3% (price as of 2026-08-19) |
| Dec. 17, 2025 | SION | S | 900 | $44.50 | $40,050 | 3,595,986 Indirect | -0.03% | Disposed | -86.3% (price as of 2026-08-19) |
| Nov. 26, 2025 | SION | S | 1,600 | $44.49 | $71,184 | 3,596,886 Indirect | -0.04% | Disposed | -86.3% (price as of 2026-08-19) |
| Nov. 25, 2025 | SION | S | 11,890 | $44.60 | $530,294 | 3,598,486 Indirect | -0.33% | Disposed | -86.3% (price as of 2026-08-19) |
| Nov. 24, 2025 | SION | S | 94,583 | $44.54 | $4,212,727 | 3,610,376 Indirect | -2.55% | Disposed | -86.3% (price as of 2026-08-19) |
| June 27, 2025 | CRVS | S | 1,176,332 | $4.16 | $4,893,541 | 7,165,006 Indirect | -14.10% | Disposed | 273.3% (price as of 2026-08-19) |
| April 3, 2025 | EWTX | P | 124,193 | $20.13 | $2,500,005 | 443,792 Indirect | +38.86% | Acquired | 129.6% (price as of 2026-08-19) |
| April 3, 2025 | EWTX | P | 372,578 | $20.13 | $7,499,995 | 14,809,075 Indirect | +2.58% | Acquired | 129.6% (price as of 2026-08-19) |
| Feb. 10, 2025 | SION | P | 550,000 | $18.00 | $9,900,000 | 3,704,959 Indirect | +17.43% | Acquired | -66.2% (price as of 2026-08-19) |
| Aug. 26, 2024 | SPRY | S | 83,695 | $13.00 | $1,088,035 | 0 Indirect | -100.00% | Disposed | -49.7% (price as of 2026-08-19) |
| Aug. 23, 2024 | SPRY | S | 69,500 | $13.03 | $905,585 | 83,695 Indirect | -45.37% | Disposed | -49.8% (price as of 2026-08-19) |
| Aug. 22, 2024 | SPRY | S | 391,482 | $12.94 | $5,065,777 | 153,195 Indirect | -71.87% | Disposed | -49.5% (price as of 2026-08-19) |
| Aug. 21, 2024 | SPRY | S | 13,300 | $14.61 | $194,313 | 544,677 Indirect | -2.38% | Disposed | -55.2% (price as of 2026-08-19) |
| Aug. 21, 2024 | SPRY | S | 394,400 | $13.52 | $5,332,288 | 557,977 Indirect | -41.41% | Disposed | -51.6% (price as of 2026-08-19) |
| May 6, 2024 | CRVS | P | 1,397,684 | — | — | 1,397,684 Indirect | — | Acquired | (price as of 2026-08-19) |
| May 6, 2024 | CRVS | P | 1,444,085 | $1.73 | $2,498,267 | 1,444,085 Indirect | — | Acquired | 797.7% (price as of 2026-08-19) |
| Jan. 23, 2024 | EWTX | P | 454,545 | $11.00 | $4,999,995 | 14,436,497 Indirect | +3.25% | Acquired | 320.1% (price as of 2026-08-19) |
| Aug. 29, 2023 | SPRY | P | 500,000 | $6.20 | $3,100,000 | 8,019,187 Indirect | +6.65% | Acquired | 5.5% (price as of 2026-08-19) |
| Sept. 16, 2022 | EWTX | P | 484,496 | $10.32 | $4,999,999 | 13,981,952 Indirect | +3.59% | Acquired | 347.8% (price as of 2026-08-19) |
| May 18, 2022 | EWTX | P | 138,000 | $7.21 | $994,980 | 13,497,456 Indirect | +1.03% | Acquired | 541.0% (price as of 2026-08-19) |
| Dec. 29, 2021 | JANX | S | 3,700 | $20.30 | $75,110 | 231,098 Indirect | -1.58% | Disposed | -14.8% (price as of 2026-08-19) |
| Dec. 29, 2021 | JANX | S | 36,700 | $20.30 | $745,010 | 2,258,566 Indirect | -1.60% | Disposed | -14.8% (price as of 2026-08-19) |
| Dec. 21, 2021 | JANX | S | 11,100 | $19.00 | $210,900 | 234,798 Indirect | -4.51% | Disposed | -8.9% (price as of 2026-08-19) |
| Dec. 21, 2021 | JANX | S | 108,300 | $19.00 | $2,057,700 | 2,295,266 Indirect | -4.51% | Disposed | -8.9% (price as of 2026-08-19) |
| Dec. 16, 2021 | JANX | S | 36,500 | $19.07 | $696,055 | 245,898 Indirect | -12.93% | Disposed | -9.3% (price as of 2026-08-19) |
| Dec. 16, 2021 | JANX | S | 356,800 | $19.07 | $6,804,176 | 2,403,566 Indirect | -12.93% | Disposed | -9.3% (price as of 2026-08-19) |
| Sept. 20, 2021 | CRVS | S | 1,109,644 | $6.09 | $6,757,732 | 6,943,654 Indirect | -13.78% | Disposed | 155.0% (price as of 2026-08-19) |
| June 15, 2021 | JANX | P | 117,650 | $17.00 | $2,000,050 | 282,398 Indirect | +71.41% | Acquired | 1.8% (price as of 2026-08-19) |
| June 15, 2021 | JANX | P | 588,203 | $17.00 | $9,999,451 | 2,760,366 Indirect | +27.08% | Acquired | 1.8% (price as of 2026-08-19) |
| March 30, 2021 | EWTX | P | 312,500 | $16.00 | $5,000,000 | 13,359,456 Indirect | +2.40% | Acquired | 188.8% (price as of 2026-08-19) |
| March 30, 2021 | EWTX | P | 46,875 | $16.00 | $750,000 | 319,599 Indirect | +17.19% | Acquired | 188.8% (price as of 2026-08-19) |
Showing latest 100 of 149 transactions
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 24, 2026 | SPRY | Stock Option (right to buy) | Common Stock (30,000) | $10.54 | June 23, 2036 | 30,000 | Acquired |
| June 17, 2026 | SION | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (17,340) | $36.73 | June 16, 2036 | 17,340 | Acquired |
| June 11, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $11.60 | June 11, 2036 | 15,000 | Acquired |
| June 5, 2026 | EWTX | Stock Option (Right to Buy) | Common Stock (16,377) | $35.59 | June 5, 2036 | 16,377 | Acquired |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $2.12 | June 13, 2024 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $1.64 | Dec. 6, 2033 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $2.49 | June 15, 2033 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $0.96 | Aug. 11, 2032 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $0.99 | June 15, 2032 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $2.60 | Sept. 9, 2031 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $2.74 | June 15, 2031 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $3.27 | June 9, 2030 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $2.00 | March 19, 2030 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $3.61 | June 20, 2029 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $12.50 | June 21, 2028 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $9.70 | June 8, 2027 | 15,000 | Disposed |
| Jan. 28, 2026 | CRVS | Stock Option (Right to Buy) | Common Stock (30,000) | $15.00 | March 22, 2026 | 30,000 | Disposed |
| June 27, 2025 | CRVS | Common Warrants (right to buy) | Common Stock (1,397,684) | $3.50 | June 30, 2025 | 1,397,684 | Disposed |
| Feb. 10, 2025 | SION | Series C convertible preferred stock | Common Stock (1,402,204) | — | — | 2,048,760 | Disposed |
| Feb. 10, 2025 | SION | Series B convertible preferred stock | Common Stock (1,752,755) | — | — | 2,560,951 | Disposed |
| May 6, 2024 | CRVS | Common Warrants (right to buy) | Common Stock (1,397,684) | $3.50 | — | 1,397,684 | Acquired |
| May 6, 2024 | CRVS | Pre-Funded Warrants (right to buy) | Common Stock (1,444,085) | $0.00 | — | 1,444,085 | Acquired |
| June 27, 2023 | SPRY | Stock Option (right to buy) | Common Stock (40,000) | $6.50 | June 26, 2033 | 40,000 | Acquired |
| June 14, 2022 | JANX | Stock Option (right to buy) | Common Stock (12,500) | $10.73 | June 13, 2032 | 12,500 | Acquired |
| June 10, 2022 | SPRY | Stock Option (right to buy) | Common Stock (18,000) | $4.18 | June 9, 2032 | 18,000 | Acquired |
| June 2, 2022 | PMVP | Stock option (right to buy) | Common Stock (16,333) | $32.29 | June 1, 2031 | 16,333 | Acquired |
| June 15, 2021 | JANX | Series B Convertible Preferred Stock | Common Stock (164,748) | — | — | 128,609 | Disposed |
| June 15, 2021 | JANX | Series B Convertible Preferred Stock | Common Stock (823,742) | — | — | 643,046 | Disposed |
| June 15, 2021 | JANX | Series A Convertible Preferred Stock | Common Stock (1,348,421) | — | — | 1,052,632 | Disposed |
| June 10, 2021 | JANX | Stock Option (right to buy) | Common Stock (30,000) | $17.00 | June 9, 2031 | 30,000 | Acquired |
| June 4, 2021 | SPRY | Stock Option (right to buy) | Common Stock (15,000) | $28.83 | June 3, 2031 | 15,000 | Acquired |
| March 30, 2021 | EWTX | Series C Preferred Stock | Common Stock (272,724) | $0.00 | — | 272,724 | Disposed |
| March 30, 2021 | EWTX | Series C Preferred Stock | Common Stock (1,668,350) | $0.00 | — | 1,668,350 | Disposed |
| March 30, 2021 | EWTX | Series B-2 Preferred Stock | Common Stock (1,301,626) | $0.00 | — | 1,301,626 | Disposed |
| March 30, 2021 | EWTX | Series B-1 Preferred Stock | Common Stock (1,572,960) | $0.00 | — | 1,572,960 | Disposed |
| March 30, 2021 | EWTX | Series A Preferred Stock | Common Stock (8,187,100) | $0.00 | — | 8,187,100 | Disposed |
| Dec. 8, 2020 | SPRY | Series C Preferred Stock | Common Stock (1,055,287) | — | — | 3,918,279 | Disposed |
| Dec. 8, 2020 | SPRY | Series B Preferred Stock | Common Stock (2,493,741) | — | — | 9,259,259 | Disposed |
| Dec. 8, 2020 | SPRY | Series A Preferred Stock | Common Stock (3,462,737) | — | — | 12,857,142 | Disposed |
| Dec. 3, 2020 | SPRY | Stock Option (right to buy) | Common Stock (38,270) | $21.00 | Dec. 2, 2030 | 38,270 | Acquired |
| Sept. 29, 2020 | PMVP | Series D Preferred Stock | Common Stock (114,039) | — | — | 114,039 | Disposed |
| Sept. 29, 2020 | PMVP | Series D Preferred Stock | Common Stock (380,133) | — | — | 380,133 | Disposed |
| Sept. 29, 2020 | PMVP | Series C Preferred Stock | Common Stock (518,191) | — | — | 518,191 | Disposed |
| Sept. 29, 2020 | PMVP | Series B Preferred Stock | Common Stock (1,076,891) | — | — | 1,076,891 | Disposed |
| Sept. 29, 2020 | PMVP | Series A Preferred Stock | Common Stock (4,025,076) | — | — | 4,025,076 | Disposed |
| June 20, 2019 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $3.61 | June 20, 2029 | 15,000 | Acquired |
| June 21, 2018 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $12.50 | June 21, 2028 | 15,000 | Acquired |
| June 8, 2017 | CRVS | Stock Option (Right to Buy) | Common Stock (15,000) | $9.70 | June 8, 2027 | 15,000 | Acquired |
| March 29, 2016 | CRVS | Series B Convertible Preferred Stock | Common Stock (713,776) | — | — | 713,776 | Disposed |
| March 29, 2016 | CRVS | Series A Convertible Preferred Stock | Common Stock (3,994,674) | — | — | 3,994,674 | Disposed |
| March 22, 2016 | CRVS | Stock Option (Right to Buy) | Common Stock (30,000) | $15.00 | March 22, 2026 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 23 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 6, 2025 | SION | Series B convertible preferred stock→ Common Stock (1,752,755) | 1,752,755 | Indirect |
| Feb. 6, 2025 | SION | Series C convertible preferred stock→ Common Stock (1,402,204) | 1,402,204 | Indirect |
| June 10, 2021 | JANX | Series A Convertible Preferred Stock→ Common Stock (1,348,421) | 1,348,421 | Indirect |
| June 10, 2021 | JANX | Series B Convertible Preferred Stock→ Common Stock (823,742) | 823,742 | Indirect |
| June 10, 2021 | JANX | Series B Convertible Preferred Stock→ Common Stock (164,748) | 164,748 | Indirect |
| March 25, 2021 | EWTX | Common Stock | 316,920 | Indirect |
| March 25, 2021 | EWTX | Series A Preferred Stock→ Common Stock (8,187,100) | 8,187,100 | Indirect |
| March 25, 2021 | EWTX | Series B-1 Preferred Stock→ Common Stock (1,572,960) | 1,572,960 | Indirect |
| March 25, 2021 | EWTX | Series B-2 Preferred Stock→ Common Stock (1,301,626) | 1,301,626 | Indirect |
| March 25, 2021 | EWTX | Series C Preferred Stock→ Common Stock (1,668,350) | 1,668,350 | Indirect |
| March 25, 2021 | EWTX | Series C Preferred Stock→ Common Stock (272,724) | 272,724 | Indirect |
| Dec. 3, 2020 | SPRY | Common Stock | 269,323 | Indirect |
| Dec. 3, 2020 | SPRY | Common Stock | 269,323 | Indirect |
| Dec. 3, 2020 | SPRY | Series A Preferred Stock→ Common Stock (3,462,737) | 3,462,737 | Indirect |
| Dec. 3, 2020 | SPRY | Series B Preferred Stock→ Common Stock (2,493,741) | 2,493,741 | Indirect |
| Dec. 3, 2020 | SPRY | Series C Preferred Stock→ Common Stock (1,055,287) | 1,055,287 | Indirect |
| Sept. 24, 2020 | PMVP | Series A Preferred Stock→ Common Stock (4,025,076) | 4,025,076 | Indirect |
| Sept. 24, 2020 | PMVP | Series B Preferred Stock→ Common Stock (1,076,891) | 1,076,891 | Indirect |
| Sept. 24, 2020 | PMVP | Series C Preferred Stock→ Common Stock (518,191) | 518,191 | Indirect |
| Sept. 24, 2020 | PMVP | Series D Preferred Stock→ Common Stock (380,133) | 380,133 | Indirect |
| Sept. 24, 2020 | PMVP | Series D Preferred Stock→ Common Stock (114,039) | 114,039 | Indirect |
| March 22, 2016 | CRVS | Series A Convertible Preferred Stock→ Common Stock (3,994,674) | 3,994,674 | Indirect |
| March 22, 2016 | CRVS | Series B Convertible Preferred Stock→ Common Stock (713,776) | 713,776 | Indirect |