Brandenberg Luke C

Officer · GRNT

As of 2026-09-16, Brandenberg Luke C has 7 Form 4 transactions on record across 1 company — 0 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: $778KIndirect: $0$778Kas of 2026-09-16
  • Direct $778K
  • Indirect $0
GRNTdirect157,267 sh$778K

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

GRNT · 7 trades
2025-06-04: Purchase, 6,100 sh ($35K)2025-05-15: Purchase, 18,252 sh ($101K)2025-03-05: Award / grant, 22,282 sh ($0)2025-03-05: Award / grant, 64,103 sh ($0)2024-12-12: Purchase, 1,505 sh ($9K)2024-12-11: Purchase, 8,495 sh ($52K)2024-12-05: Purchase, 1,500 sh ($9K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-06-04GRNTPurchase6,100 @ $5.80$35K+4.0% of holding157,267Form 4
2025-05-15GRNTPurchase18,252 @ $5.55$101K+13.7% of holding151,167Form 4
2024-12-12GRNTPurchase1,505 @ $6.07$9K+1.4% of holding110,633Form 4
2024-12-11GRNTPurchase8,495 @ $6.10$52K+8.4% of holding109,128Form 4
2024-12-05GRNTPurchase1,500 @ $6.21$9K+1.5% of holding100,633Form 4
2 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-03-05GRNTAward / grant22,282132,915Form 4
2025-03-05GRNTAward / grant64,103338,282Form 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.