Winston Kung
CIK 1666963 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 25, 2024 · Latest: June 12, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-16,026
+ 34 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
34 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 10, 2026 | CRBP | S 10b5-1 | 2,026 | $7.91 | $16,026 | 12,140 Direct | -14.30% | Disposed | 26.7% (price as of 2026-08-21) |
| Aug. 3, 2021 | PMVP | S 10b5-1 | 4,500 | $33.82 | $152,190 | 1,600 Direct | -73.77% | Disposed | -96.1% (price as of 2026-08-21) |
| July 8, 2021 | PMVP | S 10b5-1 | 4,500 | $33.75 | $151,875 | 1,600 Direct | -73.77% | Disposed | -96.1% (price as of 2026-08-21) |
| June 4, 2021 | PMVP | S 10b5-1 | 4,500 | $33.75 | $151,875 | 1,600 Direct | -73.77% | Disposed | -96.1% (price as of 2026-08-21) |
| May 3, 2021 | PMVP | S 10b5-1 | 4,500 | $33.75 | $151,875 | 1,600 Direct | -73.77% | Disposed | -96.1% (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 |
|---|---|---|---|---|---|---|---|
| June 11, 2026 | JANX | Stock Option (right to buy) | Common Stock (15,500) | $13.66 | June 10, 2036 | 15,500 | Acquired |
| May 19, 2026 | CRBP | Stock options (right to buy) | Common Stock (12,300) | $9.15 | May 19, 2026 | 12,300 | Acquired |
| Feb. 2, 2026 | AVBP | Stock Option (right to buy) | Common Stock (140,000) | $22.67 | Feb. 2, 2036 | 140,000 | Acquired |
| May 30, 2025 | CRBP | Stock options (right to buy) | Common Stock (16,000) | $7.42 | May 30, 2035 | 16,000 | Acquired |
| Feb. 3, 2025 | AVBP | Stock Option (right to buy) | Common Stock (120,000) | $27.56 | Feb. 3, 2035 | 120,000 | Acquired |
| Aug. 16, 2024 | CRBP | Stock options (right to buy) | Common Stock (5,566) | $53.52 | Aug. 16, 2034 | 5,566 | Acquired |
| June 26, 2024 | JANX | Stock Option (right to buy) | Common Stock (8,350) | $39.80 | June 25, 2034 | 8,350 | Acquired |
| June 14, 2023 | JANX | Stock Option (right to buy) | Common Stock (12,500) | $13.22 | June 13, 2033 | 12,500 | Acquired |
| May 12, 2023 | PMVP | Employee Stock Option (right to buy) | Common Stock (150,000) | $5.70 | May 12, 2033 | 150,000 | Acquired |
| Sept. 21, 2022 | JANX | Stock Option (right to buy) | Common Stock (9,375) | $13.54 | Sept. 20, 2032 | 9,375 | Acquired |
| Sept. 21, 2022 | JANX | Stock Option (right to buy) | Common Stock (30,000) | $13.54 | Sept. 20, 2032 | 30,000 | Acquired |
| April 20, 2022 | PMVP | Stock Option (right to buy) | Common Stock (4,000) | $3.22 | Feb. 21, 2028 | 4,000 | Disposed |
| Feb. 10, 2022 | PMVP | Employee Stock Option (right to buy) | Common Stock (104,400) | $16.29 | Feb. 10, 2032 | 104,400 | Acquired |
| Aug. 19, 2021 | PMVP | Stock Option (right to buy) | Common Stock (5,000) | $3.22 | Feb. 21, 2028 | 5,000 | Disposed |
| Aug. 3, 2021 | PMVP | Stock Option (right to buy) | Common Stock (4,500) | $3.22 | Feb. 21, 2028 | 4,500 | Disposed |
| July 8, 2021 | PMVP | Stock Option (right to buy) | Common Stock (4,500) | $3.22 | Feb. 21, 2028 | 4,500 | Disposed |
| June 4, 2021 | PMVP | Stock Option (right to buy) | Common Stock (4,500) | $3.22 | Feb. 21, 2028 | 4,500 | Disposed |
| May 12, 2021 | PMVP | Employee Stock Option (right to buy) | Common Stock (50,337) | $28.33 | May 11, 2031 | 50,337 | Acquired |
| May 3, 2021 | PMVP | Stock Option (right to buy) | Common Stock (4,500) | $3.22 | Feb. 21, 2028 | 4,500 | Disposed |
| Dec. 8, 2020 | PMVP | Stock Option (right to buy) | Common Stock (1,600) | $3.22 | Feb. 21, 2028 | 1,600 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 25, 2024 | AVBP | Stock Option (right to buy)→ Common Stock | — | Direct |
| Sept. 24, 2020 | PMVP | Stock Option (right to buy)→ Common Stock (238,635) | 238,635 | Direct |
| Sept. 24, 2020 | PMVP | Stock Option (right to buy)→ Common Stock (237,412) | 237,412 | Indirect |
| Sept. 24, 2020 | PMVP | Stock Option (right to buy)→ Common Stock (87,462) | 87,462 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
PMVP
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2022 | $461,455 | — | — | $1,177,183 | $129,838 | — | — | $1,768,476 |
| 2021 | $448,017 | — | — | $992,142 | $225,100 | — | — | $1,665,259 |
| 2020 | $427,535 | — | — | — | $181,397 | — | — | $825,365 |
AVBP
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | — | — | — | — | — | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.