InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
2
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the full record of transactions filed by Stoneburner Richard K, Director. Insider active across 3 companies, notably Brigham Minerals, Inc.. Cumulatively, 15 filings have been logged. Split: 2 buys · 0 sell. Total volume traded: €377k. Activity tracked since 26 May 2021. The latest transaction was filed on 15 April 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Stoneburner Richard K
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations15 total
8,403 shares@ US$35.000.026% mcap39.8% of flowCommon StockSEC:0001193125-26-159862:0
25,271 shares0Common StockSEC:0001193125-26-054817:0
11,904 shares@ US$21.0024.4% of flowCommon StockSEC:0001193125-26-018030:0
40,606 sharesClass A Common StockSEC:0000950170-25-110312:0
2,820 shares@ US$17.746.4% of flowCommon StockSEC:0000950170-25-098064:0
5,002 shares0Common StockSEC:0000950170-25-075537:0
16,216 shares0Class A Common StockSEC:0001628280-25-026125:0
6,889 shares0Common StockSEC:0000950170-25-012556:0
8,300 shares@ US$24.0049.4% of flowCommon StockSEC:0000950170-24-082127:0
Canonical exit: 26 Sept 2024 (T+90)
8,500 shares@ US$24.0050.6% of flowCommon StockSEC:0000950170-24-081007:0
Canonical exit: 26 Sept 2024 (T+90)
12,680 shares0Class A Common StockSEC:0000950170-24-059937:0
11,710 shares0Class A Common StockSEC:0000950170-23-023073:0
31,796 sharesClass A Common StockSEC:0000899243-23-000241:0
5,232 shares0Class A Common StockSEC:0001515971-22-000102:0
7,692 shares0Class A Common StockSEC:0001515971-21-000053:0
15 of 15 declarations
About Stoneburner Richard K
STONEBURNER RICHARD K is Administrateur at Tamboran Resources Corp, Sitio Royalties Corp., and Brigham Minerals, Inc. He has 15 filings in total, and across the 15 sampled filings between 2021-05-28 and 2026-04-16, buys total EUR 376524 and sells total EUR 0, with the modal transaction nature listed as Attribution.
