Comstock Brian J

Officer · GBX

As of 2026-09-16, Comstock Brian J has 5 Form 4 transactions on record across 1 company — 4 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: $3.2MIndirect: $0$3.2Mas of 2026-09-16
  • Direct $3.2M
  • Indirect $0
GBXdirect74,195 sh$3.2M

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

GBX · 5 trades
2025-10-22: Withheld for tax, 22,196 sh ($1.0M)2025-10-22: Award / grant, 65,786 sh ($0)2025-10-18: Withheld for tax, 3,824 sh ($173K)2025-10-17: Withheld for tax, 1,666 sh ($76K)2025-01-14: Sale, 25,000 sh ($1.7M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-01-14GBXSale25,000 @ $66.23$1.7M−40.9% of holding36,095Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-10-22GBXWithheld for tax22,19674,195Form 4
2025-10-22GBXAward / grant65,78696,391Form 4
2025-10-18GBXWithheld for tax3,82430,605Form 4
2025-10-17GBXWithheld for tax1,66634,429Form 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.