Crum Brian T

Officer · LXRX

As of 2026-09-16, Crum Brian T has 30 Form 4 transactions on record across 1 company — 15 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $687KIndirect: $0$687Kas of 2026-09-16
  • Direct $687K
  • Indirect $0
LXRXdirect340,327 sh$687K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

LXRX · 30 trades
2026-02-28: Withheld for tax, 105,019 sh ($154K)2026-02-28: Option exercise, 69,386 sh2026-02-28: Option exercise, 170,163 sh2026-02-28: Option exercise, 69,386 sh2026-02-28: Option exercise, 33,457 sh2026-02-28: Option exercise, 170,163 sh2026-02-28: Option exercise, 33,457 sh2026-02-28: Option exercise, 33,457 sh2026-02-28: Option exercise, 69,386 sh2026-02-28: Option exercise, 33,457 sh2026-02-28: Option exercise, 170,163 sh2026-02-28: Option exercise, 69,386 sh2026-02-28: Option exercise, 170,163 sh2026-02-12: Award / grant, 299,710 sh ($0)2026-02-12: Award / grant, 449,560 sh ($0)2025-02-28: Withheld for tax, 45,622 sh ($31K)2025-02-28: Option exercise, 26,097 sh2025-02-28: Option exercise, 69,387 sh2025-02-28: Option exercise, 33,456 sh2025-02-28: Option exercise, 26,097 sh2025-02-28: Option exercise, 69,387 sh2025-02-28: Option exercise, 69,387 sh2025-02-28: Option exercise, 26,097 sh2025-02-28: Option exercise, 33,456 sh2025-02-28: Option exercise, 26,097 sh2025-02-28: Option exercise, 33,456 sh2025-02-28: Option exercise, 69,387 sh2025-02-28: Option exercise, 33,456 sh2025-02-13: Award / grant, 510,490 sh ($0)2025-02-13: Award / grant, 765,730 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-28LXRXWithheld for tax105,019428,802Form 4
2026-02-28LXRXOption exercise69,38669,387Form 4
2026-02-28LXRXOption exercise170,163533,821Form 4
2026-02-28LXRXOption exercise69,386330,201Form 4
2026-02-28LXRXOption exercise33,457363,658Form 4
2026-02-28LXRXOption exercise170,163340,327Form 4
2026-02-28LXRXOption exercise33,4570Form 4
2026-02-28LXRXOption exercise33,4570Form 4
2026-02-28LXRXOption exercise69,38669,387Form 4
2026-02-28LXRXOption exercise33,457363,658Form 4
2026-02-28LXRXOption exercise170,163340,327Form 4
2026-02-28LXRXOption exercise69,386330,201Form 4
2026-02-28LXRXOption exercise170,163533,821Form 4
2026-02-12LXRXAward / grant299,710299,710Form 4
2026-02-12LXRXAward / grant449,560449,560Form 4
2025-02-28LXRXWithheld for tax45,622260,815Form 4
2025-02-28LXRXOption exercise26,0970Form 4
2025-02-28LXRXOption exercise69,387306,437Form 4
2025-02-28LXRXOption exercise33,456237,050Form 4
2025-02-28LXRXOption exercise26,097203,594Form 4
2025-02-28LXRXOption exercise69,387138,773Form 4
2025-02-28LXRXOption exercise69,387138,773Form 4
2025-02-28LXRXOption exercise26,097203,594Form 4
2025-02-28LXRXOption exercise33,45633,457Form 4
2025-02-28LXRXOption exercise26,0970Form 4
2025-02-28LXRXOption exercise33,45633,457Form 4
2025-02-28LXRXOption exercise69,387306,437Form 4
2025-02-28LXRXOption exercise33,456237,050Form 4
2025-02-13LXRXAward / grant510,490510,490Form 4
2025-02-13LXRXAward / grant765,730765,730Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.