Brian Lian
CIK 1614578 · View on SEC EDGAR ↗
Insider
First SEC filing: May 6, 2015 · Latest: May 6, 2015
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)
6 sells (S)
Net:
$-14,005,897
+ 64 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
64 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 29, 2026 | VKTX | S | 148,517 | $33.32 | $4,948,586 | 2,572,441 Direct | -5.46% | Disposed | 3.7% (price as of 2026-08-20) |
| Jan. 5, 2026 | VKTX | S | 6,400 | $35.07 | $224,448 | 2,499,291 Direct | -0.26% | Disposed | -1.4% (price as of 2026-08-20) |
| Jan. 5, 2026 | VKTX | S | 41,276 | $34.22 | $1,412,465 | 2,505,691 Direct | -1.62% | Disposed | 1.0% (price as of 2026-08-20) |
| Jan. 5, 2026 | VKTX | S | 53,279 | $33.38 | $1,778,453 | 2,546,967 Direct | -2.05% | Disposed | 3.6% (price as of 2026-08-20) |
| Jan. 5, 2026 | VKTX | S | 132,454 | $32.29 | $4,276,940 | 2,600,246 Direct | -4.85% | Disposed | 7.1% (price as of 2026-08-20) |
| Oct. 28, 2025 | VKTX | S | 38,989 | $35.01 | $1,365,005 | 2,419,109 Direct | -1.59% | Disposed | -1.3% (price as of 2026-08-20) |
| July 3, 2025 | VKTX | S | 26,889 | $27.80 | $747,514 | 2,388,014 Direct | -1.11% | Disposed | 24.3% (price as of 2026-08-20) |
| Jan. 6, 2025 | VKTX | S | 19,000 | $43.32 | $823,080 | 2,366,570 Direct | -0.80% | Disposed | -20.2% (price as of 2026-08-20) |
| Jan. 6, 2025 | VKTX | S | 175,490 | $42.68 | $7,489,913 | 2,385,570 Direct | -6.85% | Disposed | -19.0% (price as of 2026-08-20) |
| Sept. 20, 2024 | VKTX | S 10b5-1 | 200 | $71.98 | $14,396 | 2,304,927 Direct | -0.01% | Disposed | -52.0% (price as of 2026-08-20) |
| Sept. 20, 2024 | VKTX | S 10b5-1 | 119,874 | $71.15 | $8,529,035 | 2,305,127 Direct | -4.94% | Disposed | -51.4% (price as of 2026-08-20) |
| Sept. 20, 2024 | VKTX | S 10b5-1 | 96,056 | $70.43 | $6,765,224 | 2,425,001 Direct | -3.81% | Disposed | -50.9% (price as of 2026-08-20) |
| Aug. 21, 2024 | VKTX | S 10b5-1 | 1,000 | $69.90 | $69,900 | 2,354,927 Direct | -0.04% | Disposed | -50.5% (price as of 2026-08-20) |
| Aug. 19, 2024 | VKTX | S 10b5-1 | 11,296 | $67.12 | $758,188 | 2,354,927 Direct | -0.48% | Disposed | -48.5% (price as of 2026-08-20) |
| Aug. 19, 2024 | VKTX | S 10b5-1 | 31,442 | $66.37 | $2,086,806 | 2,366,223 Direct | -1.31% | Disposed | -47.9% (price as of 2026-08-20) |
| Aug. 19, 2024 | VKTX | S 10b5-1 | 70,132 | $65.33 | $4,581,724 | 2,397,665 Direct | -2.84% | Disposed | -47.1% (price as of 2026-08-20) |
| July 30, 2024 | VKTX | S | 30,417 | $58.78 | $1,787,911 | 2,354,927 Direct | -1.28% | Disposed | -41.2% (price as of 2026-08-20) |
| July 30, 2024 | VKTX | S | 19,501 | $57.81 | $1,127,353 | 2,385,344 Direct | -0.81% | Disposed | -40.2% (price as of 2026-08-20) |
| July 30, 2024 | VKTX | S | 65,941 | $56.95 | $3,755,340 | 2,404,845 Direct | -2.67% | Disposed | -39.3% (price as of 2026-08-20) |
| Feb. 9, 2024 | VKTX | S 10b5-1 | 45,000 | $29.90 | $1,345,500 | 2,139,882 Direct | -2.06% | Disposed | 15.6% (price as of 2026-08-20) |
| Feb. 8, 2024 | VKTX | S 10b5-1 | 40,000 | $28.90 | $1,156,000 | 2,184,882 Direct | -1.80% | Disposed | 19.6% (price as of 2026-08-20) |
| Feb. 8, 2024 | VKTX | S 10b5-1 | 40,000 | $27.45 | $1,098,000 | 2,224,882 Direct | -1.77% | Disposed | 25.9% (price as of 2026-08-20) |
| Feb. 8, 2024 | VKTX | S 10b5-1 | 80,000 | $26.95 | $2,156,000 | 2,264,882 Direct | -3.41% | Disposed | 28.3% (price as of 2026-08-20) |
| Feb. 8, 2024 | VKTX | S 10b5-1 | 60,000 | $25.95 | $1,557,000 | 2,344,882 Direct | -2.49% | Disposed | 33.2% (price as of 2026-08-20) |
| Feb. 8, 2024 | VKTX | S 10b5-1 | 49,079 | $25.75 | $1,263,784 | 2,264,882 Direct | -2.12% | Disposed | 34.2% (price as of 2026-08-20) |
| Jan. 31, 2024 | VKTX | S 10b5-1 | 45,000 | $24.95 | $1,122,750 | 2,264,882 Direct | -1.95% | Disposed | 38.5% (price as of 2026-08-20) |
| Jan. 31, 2024 | VKTX | S 10b5-1 | 40,000 | $24.45 | $978,000 | 2,309,882 Direct | -1.70% | Disposed | 41.4% (price as of 2026-08-20) |
| Jan. 30, 2024 | VKTX | S 10b5-1 | 35,000 | $23.95 | $838,250 | 2,264,882 Direct | -1.52% | Disposed | 44.3% (price as of 2026-08-20) |
| May 1, 2023 | VKTX | S 10b5-1 | 45,000 | $22.45 | $1,010,250 | 2,197,963 Direct | -2.01% | Disposed | 54.0% (price as of 2026-08-20) |
| April 19, 2023 | VKTX | S 10b5-1 | 35,000 | $21.45 | $750,750 | 2,242,963 Direct | -1.54% | Disposed | 61.2% (price as of 2026-08-20) |
| April 17, 2023 | VKTX | S 10b5-1 | 155,000 | $20.45 | $3,169,750 | 2,277,963 Direct | -6.37% | Disposed | 69.0% (price as of 2026-08-20) |
| April 13, 2023 | VKTX | S 10b5-1 | 79,336 | $18.45 | $1,463,749 | 2,307,963 Direct | -3.32% | Disposed | 87.4% (price as of 2026-08-20) |
| April 3, 2023 | VKTX | S 10b5-1 | 22,000 | $17.85 | $392,700 | 2,232,963 Direct | -0.98% | Disposed | 93.7% (price as of 2026-08-20) |
| March 31, 2023 | VKTX | S 10b5-1 | 67,970 | $17.45 | $1,186,076 | 2,254,963 Direct | -2.93% | Disposed | 98.1% (price as of 2026-08-20) |
| March 30, 2023 | VKTX | S 10b5-1 | 65,382 | $17.45 | $1,140,916 | 2,254,963 Direct | -2.82% | Disposed | 98.1% (price as of 2026-08-20) |
| March 30, 2023 | VKTX | S 10b5-1 | 88,000 | $16.95 | $1,491,600 | 2,320,345 Direct | -3.65% | Disposed | 103.9% (price as of 2026-08-20) |
Showing latest 100 of 126 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 |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | VKTX | Stock Option (Right to Buy) | Common Stock (176,300) | $35.42 | Jan. 2, 2036 | 176,300 | Acquired |
| Jan. 3, 2025 | VKTX | Stock Option (Right to Buy) | Common Stock (78,300) | $42.89 | Jan. 3, 2035 | 78,300 | Acquired |
| Sept. 20, 2024 | VKTX | Stock Option (Right to Buy) | Common Stock (166,130) | $7.77 | Jan. 3, 2030 | 166,130 | Disposed |
| Aug. 21, 2024 | VKTX | Stock Option (Right to Buy) | Common Stock (1,000) | $7.77 | Jan. 3, 2030 | 1,000 | Disposed |
| Aug. 19, 2024 | VKTX | Stock Option (Right to Buy) | Common Stock (112,870) | $7.77 | Jan. 3, 2030 | 112,870 | Disposed |
| Feb. 8, 2024 | VKTX | Stock Option (right to buy) | Common Stock (140,000) | $4.65 | Jan. 19, 2028 | 140,000 | Disposed |
| Feb. 8, 2024 | VKTX | Stock Option (right to buy) | Common Stock (34,931) | $1.23 | Jan. 5, 2027 | 34,931 | Disposed |
| Feb. 8, 2024 | VKTX | Stock Option (right to buy) | Common Stock (14,148) | $1.23 | Jan. 5, 2027 | 14,148 | Disposed |
| Jan. 31, 2024 | VKTX | Stock Option (right to buy) | Common Stock (85,000) | $1.23 | Jan. 5, 2027 | 85,000 | Disposed |
| Jan. 30, 2024 | VKTX | Stock Option (right to buy) | Common Stock (35,000) | $1.23 | Jan. 5, 2027 | 35,000 | Disposed |
| Jan. 3, 2024 | VKTX | Stock Option (Right to Buy) | Common Stock (360,000) | $17.40 | Jan. 3, 2034 | 360,000 | Acquired |
| April 17, 2023 | VKTX | Stock Option (Right to Buy) | Common Stock (125,000) | $2.15 | March 4, 2026 | 125,000 | Disposed |
| April 13, 2023 | VKTX | Stock Option (right to buy) | Common Stock (54,336) | $1.88 | March 14, 2026 | 54,336 | Disposed |
| March 31, 2023 | VKTX | Stock Option (Right to Buy) | Common Stock (67,970) | $9.49 | May 4, 2025 | 67,970 | Disposed |
| March 30, 2023 | VKTX | Stock Option (Right to Buy) | Common Stock (19,530) | $9.49 | May 4, 2025 | 19,530 | Disposed |
| March 30, 2023 | VKTX | Stock Option (Right to Buy) | Common Stock (115,852) | $1.23 | Jan. 5, 2027 | 115,852 | Disposed |
| Jan. 3, 2023 | VKTX | Stock Option (Right to Buy) | Common Stock (600,000) | $8.52 | Jan. 3, 2033 | 600,000 | Acquired |
| Jan. 3, 2022 | VKTX | Stock Option (Right to Buy) | Common Stock (390,000) | $4.88 | Jan. 3, 2032 | 390,000 | Acquired |
| Jan. 4, 2021 | VKTX | Stock Option (Right to Buy) | Common Stock (369,000) | $5.80 | Jan. 4, 2031 | 369,000 | Acquired |
| Jan. 3, 2020 | VKTX | Stock Option (Right to Buy) | Common Stock (345,000) | $7.77 | Jan. 3, 2030 | 345,000 | Acquired |
| Jan. 3, 2019 | VKTX | Stock Option (Right to Buy) | Common Stock (235,554) | $7.58 | Jan. 3, 2029 | 235,554 | Acquired |
| Jan. 19, 2018 | VKTX | Stock Option (Right to Buy) | Common Stock (140,000) | $4.65 | Jan. 19, 2028 | 140,000 | Acquired |
| Jan. 5, 2017 | VKTX | Stock Option (Right to Buy) | Common Stock (34,931) | $1.23 | Jan. 5, 2027 | 34,931 | Acquired |
| Jan. 5, 2017 | VKTX | Stock Option (Right to Buy) | Common Stock (250,000) | $1.23 | Jan. 5, 2027 | 250,000 | Acquired |
| March 14, 2016 | VKTX | Stock Option (Right to Buy) | Common Stock (54,336) | $1.88 | March 14, 2026 | 54,336 | Acquired |
| March 4, 2016 | VKTX | Stock Option (Right to Buy) | Common Stock (125,000) | $2.15 | March 4, 2026 | 125,000 | Acquired |
| May 4, 2015 | VKTX | Convertible Note due 2015 | Common Stock (9,927) | — | — | — | Disposed |
| May 4, 2015 | VKTX | Convertible Note due 2015 | Common Stock (2,731) | — | — | — | Disposed |
| May 4, 2015 | VKTX | Stock Option (Right to Buy) | Common Stock (87,500) | $9.49 | May 4, 2025 | 87,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $672,000 | — | $17,756,817 | $2,468,016 | $373,000 | — | — | $21,269,833 |
| 2024 | $640,000 | — | $8,468,006 | $4,636,800 | $440,000 | — | $113,748 | $14,298,554 |
| 2023 | $615,000 | — | $7,937,803 | $3,703,158 | $372,100 | — | — | $12,628,061 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.