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A LANCE LANGFORD

CIK 1238742 · Executive V.P. Operations · last filed 2026-03-06

A LANCE LANGFORD is an Executive V.P. Operations who has filed 33 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for AESI, was dated Mar 6, 2026. Across all open-market trades the lifetime net is −$3.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $11.8M 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

$11.81M

Companies

3

Total Filings

33

Lifetime Open-Market Net

-$3.02M

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
AESI Director 695,816 $16.97 $11.81M $0 5 2026-03-06
Brigham Minerals, Inc. (MNRL) Delisted Director 21,988 $32.50 $714.6K $0 3 2022-05-26
BRIGHAM EXPLORATION CO (BEXP) Delisted Executive V.P. Operations 0 — — -$3.02M 24 2011-12-12

Recent Filings

33 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-06 AESI Grant (A) +24,218 $0 EDGAR
2025-03-17 AESI Grant (A) +13,675 $0 EDGAR
2024-03-15 AESI Grant (A) +11,364 $240.0K EDGAR
2023-09-15 AESI Other (J) +1,230,649 $0 EDGAR
2023-03-15 AESI Grant (A) +8,056 $0 EDGAR
2023-01-03 — Disp (D) −21,988 $0
2022-05-26 Brigham Minerals, Inc. (MNRL) Delisted Grant (A) +5,232 $0 EDGAR
2021-05-28 Brigham Minerals, Inc. (MNRL) Delisted Grant (A) +7,692 $0 EDGAR
2020-12-16 Brigham Minerals, Inc. (MNRL) Delisted Grant (A) +9,064 $0 EDGAR
2011-12-12 BRIGHAM EXPLORATION CO (BEXP) Delisted Disp (D) — $0 EDGAR
Showing 1–10 of 33
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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.