Brian T Crum
CIK 1792747 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 4, 2019 · Latest: Nov. 4, 2019
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)
0 sells (S)
Net:
$0
+ 69 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 28, 2026 | LXRX | M | 170,163 | — | — | 340,327 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | M | 33,457 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | M | 69,386 | — | — | 69,387 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | F | 105,019 | $1.47 | $154,378 | 428,802 Direct | -19.67% | Disposed | 54.8% (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | M | 170,163 | — | — | 533,821 Direct | +46.79% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | M | 69,386 | — | — | 330,201 Direct | +26.60% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2026 | LXRX | M | 33,457 | — | — | 363,658 Direct | +10.13% | Acquired | (price as of 2026-08-21) |
| Feb. 12, 2026 | LXRX | A | 449,560 | — | — | 449,560 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 12, 2026 | LXRX | A | 299,710 | — | — | 299,710 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 69,387 | — | — | 138,773 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 33,456 | — | — | 33,457 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 26,097 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | F | 45,622 | $0.67 | $30,567 | 260,815 Direct | -14.89% | Disposed | 239.6% (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 69,387 | — | — | 306,437 Direct | +29.27% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 33,456 | — | — | 237,050 Direct | +16.43% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2025 | LXRX | M | 26,097 | — | — | 203,594 Direct | +14.70% | Acquired | (price as of 2026-08-21) |
| Feb. 13, 2025 | LXRX | A | 510,490 | — | — | 510,490 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 13, 2025 | LXRX | A | 765,730 | — | — | 765,730 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 33,457 | — | — | 66,913 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 26,096 | — | — | 26,097 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 8,750 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | F | 25,604 | $2.62 | $67,082 | 177,497 Direct | -12.61% | Disposed | -13.2% (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 33,457 | — | — | 203,101 Direct | +19.72% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 26,096 | — | — | 169,644 Direct | +18.18% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2024 | LXRX | M | 8,750 | — | — | 143,548 Direct | +6.49% | Acquired | (price as of 2026-08-21) |
| Feb. 8, 2024 | LXRX | A | 208,160 | — | — | 208,160 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 8, 2024 | LXRX | A | 208,160 | — | — | 208,160 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 26,097 | — | — | 52,193 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 8,750 | — | — | 8,750 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 21,030 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | F | 20,537 | $2.17 | $44,565 | 134,798 Direct | -13.22% | Disposed | 4.8% (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 26,097 | — | — | 155,335 Direct | +20.19% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 8,750 | — | — | 129,238 Direct | +7.26% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2023 | LXRX | M | 21,030 | — | — | 120,488 Direct | +21.14% | Acquired | (price as of 2026-08-21) |
| Feb. 9, 2023 | LXRX | A | 301,100 | — | — | 301,100 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 9, 2023 | LXRX | A | 100,370 | — | — | 100,370 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 8,750 | — | — | 17,500 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 21,030 | — | — | 21,030 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 11,100 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | F | 15,059 | $2.85 | $42,918 | 99,458 Direct | -13.15% | Disposed | -20.2% (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 8,750 | — | — | 114,517 Direct | +8.27% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 21,030 | — | — | 105,767 Direct | +24.82% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2022 | LXRX | M | 11,100 | — | — | 84,737 Direct | +15.07% | Acquired | (price as of 2026-08-21) |
| Feb. 10, 2022 | LXRX | A | 78,290 | — | — | 78,290 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 10, 2022 | LXRX | A | 234,870 | — | — | 234,870 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 21,030 | — | — | 42,060 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 11,100 | — | — | 11,100 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 5,118 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 1,517 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | F | 14,860 | $7.19 | $106,843 | 73,637 Direct | -16.79% | Disposed | -68.4% (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 21,030 | — | — | 88,497 Direct | +31.17% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 11,100 | — | — | 67,467 Direct | +19.69% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 5,118 | — | — | 56,367 Direct | +9.99% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2021 | LXRX | M | 1,517 | — | — | 51,249 Direct | +3.05% | Acquired | (price as of 2026-08-21) |
| Feb. 11, 2021 | LXRX | A | 78,760 | — | — | 78,760 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 11, 2021 | LXRX | A | 26,250 | — | — | 26,250 Direct | — | Acquired | (price as of 2026-08-21) |
| April 22, 2020 | LXRX | F | 6,398 | $1.96 | $12,540 | 49,732 Direct | -11.40% | Disposed | 16.1% (price as of 2026-08-21) |
| April 22, 2020 | LXRX | A | 19,893 | — | — | 56,130 Direct | +54.90% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 11,100 | — | — | 22,200 Direct | -33.33% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 5,119 | — | — | 5,118 Direct | -50.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 1,518 | — | — | 1,517 Direct | -50.02% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 2,515 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | F | 6,940 | $2.77 | $19,224 | 36,237 Direct | -16.07% | Disposed | -17.9% (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 11,100 | — | — | 43,177 Direct | +34.60% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 5,119 | — | — | 32,077 Direct | +18.99% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 1,518 | — | — | 26,958 Direct | +5.97% | Acquired | (price as of 2026-08-21) |
| Feb. 28, 2020 | LXRX | M | 2,515 | — | — | 25,440 Direct | +10.97% | Acquired | (price as of 2026-08-21) |
| Feb. 6, 2020 | LXRX | A | 189,260 | — | — | 189,260 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 6, 2020 | LXRX | A | 63,090 | — | — | 63,090 Direct | — | Acquired | (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. 28, 2026 | LXRX | Restricted Stock Units | Common Stock (170,163) | — | — | 170,163 | Disposed |
| Feb. 28, 2026 | LXRX | Restricted Stock Units | Common Stock (33,457) | — | — | 33,457 | Disposed |
| Feb. 28, 2026 | LXRX | Restricted Stock Units | Common Stock (69,386) | — | — | 69,386 | Disposed |
| Feb. 12, 2026 | LXRX | Stock Option (Right to Buy) | Common Stock (449,560) | $1.37 | Feb. 12, 2036 | 449,560 | Acquired |
| Feb. 12, 2026 | LXRX | Restricted Stock Units | Common Stock (299,710) | — | — | 299,710 | Acquired |
| Feb. 28, 2025 | LXRX | Restricted Stock Units | Common Stock (69,387) | — | — | 69,387 | Disposed |
| Feb. 28, 2025 | LXRX | Restricted Stock Units | Common Stock (33,456) | — | — | 33,456 | Disposed |
| Feb. 28, 2025 | LXRX | Restricted Stock Units | Common Stock (26,097) | — | — | 26,097 | Disposed |
| Feb. 13, 2025 | LXRX | Restricted Stock Units | Common Stock (510,490) | — | — | 510,490 | Acquired |
| Feb. 13, 2025 | LXRX | Stock Option (Right to Buy) | Common Stock (765,730) | $0.70 | Feb. 13, 2035 | 765,730 | Acquired |
| Feb. 28, 2024 | LXRX | Restricted Stock Units | Common Stock (33,457) | — | — | 33,457 | Disposed |
| Feb. 28, 2024 | LXRX | Restricted Stock Units | Common Stock (26,096) | — | — | 26,096 | Disposed |
| Feb. 28, 2024 | LXRX | Restricted Stock Units | Common Stock (8,750) | — | — | 8,750 | Disposed |
| Feb. 8, 2024 | LXRX | Stock Option (Right to Buy) | Common Stock (208,160) | $2.15 | Feb. 8, 2034 | 208,160 | Acquired |
| Feb. 8, 2024 | LXRX | Restricted Stock Units | Common Stock (208,160) | — | — | 208,160 | Acquired |
| Feb. 28, 2023 | LXRX | Restricted Stock Units | Common Stock (26,097) | — | — | 26,097 | Disposed |
| Feb. 28, 2023 | LXRX | Restricted Stock Units | Common Stock (8,750) | — | — | 8,750 | Disposed |
| Feb. 28, 2023 | LXRX | Restricted Stock Units | Common Stock (21,030) | — | — | 21,030 | Disposed |
| Feb. 9, 2023 | LXRX | Stock Option (Right to Buy) | Common Stock (301,100) | $2.43 | Feb. 9, 2033 | 301,100 | Acquired |
| Feb. 9, 2023 | LXRX | Restricted Stock Units | Common Stock (100,370) | — | — | 100,370 | Acquired |
| Feb. 28, 2022 | LXRX | Restricted Stock Units | Common Stock (8,750) | — | — | 8,750 | Disposed |
| Feb. 28, 2022 | LXRX | Restricted Stock Units | Common Stock (21,030) | — | — | 21,030 | Disposed |
| Feb. 28, 2022 | LXRX | Restricted Stock Units | Common Stock (11,100) | — | — | 11,100 | Disposed |
| Feb. 10, 2022 | LXRX | Restricted Stock Units | Common Stock (78,290) | — | — | 78,290 | Acquired |
| Feb. 10, 2022 | LXRX | Stock Option (Right to Buy) | Common Stock (234,870) | $3.20 | Feb. 10, 2032 | 234,870 | Acquired |
| Feb. 28, 2021 | LXRX | Restricted Stock Units | Common Stock (21,030) | — | — | 21,030 | Disposed |
| Feb. 28, 2021 | LXRX | Restricted Stock Units | Common Stock (11,100) | — | — | 11,100 | Disposed |
| Feb. 28, 2021 | LXRX | Restricted Stock Units | Common Stock (5,118) | — | — | 5,118 | Disposed |
| Feb. 28, 2021 | LXRX | Restricted Stock Units | Common Stock (1,517) | — | — | 1,517 | Disposed |
| Feb. 11, 2021 | LXRX | Stock Option (Right to Buy) | Common Stock (78,760) | $8.38 | Feb. 11, 2031 | 78,760 | Acquired |
| Feb. 11, 2021 | LXRX | Restricted Stock Units | Common Stock (26,250) | — | — | 26,250 | Acquired |
| Feb. 28, 2020 | LXRX | Restricted Stock Units | Common Stock (11,100) | — | — | 11,100 | Disposed |
| Feb. 28, 2020 | LXRX | Restricted Stock Units | Common Stock (5,119) | — | — | 5,119 | Disposed |
| Feb. 28, 2020 | LXRX | Restricted Stock Units | Common Stock (1,518) | — | — | 1,518 | Disposed |
| Feb. 28, 2020 | LXRX | Restricted Stock Units | Common Stock (2,515) | — | — | 2,515 | Disposed |
| Feb. 6, 2020 | LXRX | Stock Option (Right to Buy) | Common Stock (189,260) | $3.31 | Feb. 6, 2030 | 189,260 | Acquired |
| Feb. 6, 2020 | LXRX | Restricted Stock Units | Common Stock (63,090) | — | — | 63,090 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 16 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 4, 2019 | LXRX | Common Stock | 22,925 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (2,857) | 2,857 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (10,000) | 10,000 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (10,571) | 10,571 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (8,747) | 8,747 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (13,499) | 13,499 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (19,391) | 19,391 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (23,470) | 23,470 | Direct |
| Nov. 4, 2019 | LXRX | Restricted Stock Units→ Common Stock (2,515) | 2,515 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (14,160) | 14,160 | Direct |
| Nov. 4, 2019 | LXRX | Restricted Stock Units→ Common Stock (3,035) | 3,035 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (23,040) | 23,040 | Direct |
| Nov. 4, 2019 | LXRX | Restricted Stock Units→ Common Stock (10,237) | 10,237 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (49,950) | 49,950 | Direct |
| Nov. 4, 2019 | LXRX | Restricted Stock Units→ Common Stock (33,300) | 33,300 | Direct |
| Nov. 4, 2019 | LXRX | Stock Option (Right to Buy)→ Common Stock (7,142) | 7,142 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $473,503 | $125,442 | $447,544 | — | — | — | $17,171 | $1,430,607 |
| 2023 | $457,936 | $122,404 | $243,899 | — | — | — | $16,139 | $1,421,275 |
| 2022 | $438,989 | $155,015 | $250,528 | — | — | — | $15,099 | $1,450,317 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.