A LANCE LANGFORD
CIK 1238742 · Executive V.P. Operations · last filed 2026-03-06
"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 · Page 2 of 4
33 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2011-12-05 | BRIGHAM EXPLORATION CO (BEXP) Delisted | U | −70,833 | -$2.59M | EDGAR |
| 2011-03-18 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +11,286 | $0 | EDGAR |
| 2011-01-04 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +5,000 | $0 | EDGAR |
| 2010-10-13 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | — | -$1.13M | EDGAR |
| 2010-05-19 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | — | -$185.0K | EDGAR |
| 2010-04-30 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | — | $0 | EDGAR |
| 2010-03-11 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +2,779 | $0 | EDGAR |
| 2010-02-19 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | — | -$443.8K | EDGAR |
| 2010-01-06 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Sell (S) | −17,970 | -$270.5K | EDGAR |
| 2010-01-04 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | −2,599 | -$105.8K | EDGAR |
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.