Longmaid Ashley J — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Longmaid Ashley J has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $150K.

Profile

Ashley J. Longmaid is a director of Black Stone Minerals, L.P., a publicly traded oil and natural gas mineral company. According to the SEC filing dated January 15, 2026 (CIK 0002017596), she held a director role with no reported purchases or sales in that period. The company focuses on managing and expanding a portfolio of mineral and royalty interests.

Board memberships

• Black Stone Minerals, L.P.

Awards & honors

• Serves as a director on the board of Black Stone Minerals, L.P.

Recent Transactions

Companies — Last 90 Days

• Black Stone Minerals, L.P. (BSM) — 1 filings, last 2026-05-13

Frequently Asked Questions

Who is Longmaid Ashley J?

Ashley J. Longmaid is a director of Black Stone Minerals, L.P., a publicly traded oil and natural gas mineral company. According to the SEC filing dated January 15, 2026 (CIK 0002017596), she held a director role with no reported purchases or sales in that period. The company focuses on managing and expanding a portfolio of mineral and royalty interests.…

How many SEC Form 4 filings has Longmaid Ashley J submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Longmaid Ashley J been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($150K) across all tracked filings.

Where can I see all of Longmaid Ashley J's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

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