Luke C Brandenberg

CIK 1950434 · President and CEO · last filed 2025-06-04

Luke C Brandenberg is a President and CEO who has filed 18 SEC Form 4 insider transactions across 2 companies since 2023. The most recent filing shows the insider bought $35.4K of GRNT on Jun 4, 2025. Across all open-market trades the lifetime net is +$500.6K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $773.8K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$773.8K

Companies

2

Total Filings

18

Lifetime Open-Market Net

$500.6K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
GRNT President and CEO 157,267 $4.92 $773.8K $443.9K 15 2025-06-04
Granite Ridge Resources, Inc. (GRNT.WS) Delisted President and CEO 39,820 $1.48 $58.9K $56.7K 3 2023-05-24

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-06-04 GRNT Buy (P) +6,100 $35.4K EDGAR
2025-05-16 GRNT Buy (P) +18,252 $101.3K EDGAR
2025-03-07 GRNT Grant (A) +22,282 $0 EDGAR
2024-12-12 GRNT Buy (P) +10,000 $61.0K EDGAR
2024-12-05 GRNT Buy (P) +1,500 $9.3K EDGAR
2024-11-27 GRNT Buy (P) +2,500 $16.4K EDGAR
2024-11-18 GRNT Buy (P) +5,000 $32.5K EDGAR
2024-08-13 GRNT Buy (P) +5,000 $31.2K EDGAR
2024-06-17 GRNT Buy (P) +5,000 $29.6K EDGAR
2024-05-14 GRNT Buy (P) +5,000 $31.2K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.