InsidersTradesSigma
Total declarations
Company
▲ Purchases (7 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
7
Disclosed sells
0
T+90 hit rate
67%
T+90 mean return
+3.3%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by DeWalch D Mark, Director. Officer active across 1 company, notably Black Stone Minerals, L.P.. In total, 23 filings have been recorded. Breakdown: 7 buys · 0 sell. Total volume traded: €2.6m. Activity tracked since 11 January 2022. The latest transaction was filed on 29 May 2026 (Acquisition). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to DeWalch D Mark
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations23 total
1,342 sharesCommon units representing limited partner interestsSEC:0001638259-26-000012:0
36,363 shares@ US$13.4760.015% mcap15.7% of flowCommon units representing limited partner interestsSEC:0001638259-26-000010:0
Canonical exit: 27 Aug 2026 (T+90)
36,363 shares@ US$13.62170.015% mcap15.9% of flowCommon units representing limited partner interestsSEC:0001638259-26-000010:1
Canonical exit: 30 Aug 2026 (T+90)
37,650 shares@ US$13.20960.015% mcap15.9% of flowCommon units representing limited partner interestsSEC:0001638259-26-000008:0
Canonical exit: 26 Aug 2026 (T+90)
1,240 shares@ US$15.120.6% of flowCommon units representing limited partner interestsSEC:0001638259-26-000006:0
14,255 shares0Common units representing limited partner interestsSEC:0001638259-26-000004:0
1,410 shares@ US$13.290.6% of flowCommon units representing limited partner interestsSEC:0001638259-26-000002:0
1,426 shares@ US$13.140.6% of flowCommon units representing limited partner interestsSEC:0001638259-25-000004:0
1,433 shares@ US$13.080.6% of flowCommon units representing limited partner interestsSEC:0001621434-25-000098:0
1,227 shares@ US$15.270.6% of flowCommon units representing limited partner interestsSEC:0001621434-25-000072:0
13,324 shares0Common units representing limited partner interestsSEC:0001621434-25-000031:0
1,284 shares@ US$14.600.7% of flowCommon units representing limited partner interestsSEC:0001621434-25-000010:0
1,241 shares@ US$15.100.6% of flowCommon units representing limited partner interestsSEC:0001621434-24-000107:0
34,200 shares@ US$14.6216.9% of flowCommon units representing limited partner interestsSEC:0001621434-24-000091:0
Canonical exit: 13 Nov 2024 (T+90)
1,196 shares@ US$15.670.6% of flowCommon units representing limited partner interestsSEC:0001621434-24-000085:0
1,173 shares@ US$15.980.6% of flowCommon units representing limited partner interestsSEC:0001621434-24-000070:0
3,250 shares@ US$15.46991.7% of flowCommon units representing limited partner interestsSEC:0001621434-24-000058:0
Canonical exit: 26 May 2024 (T+90)
12,307 shares0Common units representing limited partner interestsSEC:0001621434-24-000030:0
21,703 shares@ US$17.138212.7% of flowCommon units representing limited partner interestsSEC:0001621434-23-000002:0
Canonical exit: 14 Feb 2024 (T+90)
31,150 shares@ US$15.849117.3% of flowCommon units representing limited partner interestsSEC:0001209191-23-016927:0
Canonical exit: 4 Jun 2023 (T+90)
12,539 shares0Common units representing limited partner interestsSEC:0001209191-23-003324:0
14,115 shares0Common units representing limited partner interestsSEC:0001209191-22-002937:0
12,368 sharesCommon units representing limited partner interestsSEC:0001593968-16-000493:0
23 of 23 declarations
About DeWalch D Mark
DeWalch D Mark is Administrateur at Black Stone Minerals, L.P. He has 23 filings in total, and in the sampled recent filings they are all buys, for EUR 2586018, between 2016-01-14 and 2026-07-02, with Attribution as the modal transaction nature.
