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 3 of 4
33 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2009-11-13 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +16,000 | $0 | EDGAR |
| 2009-09-24 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Tax (F) | −1,068 | -$10.7K | EDGAR |
| 2009-09-09 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Sell (S) | −13,367 | -$124.8K | EDGAR |
| 2009-08-17 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | — | $0 | EDGAR |
| 2009-05-28 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | — | $0 | EDGAR |
| 2009-05-01 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +4,038 | $0 | EDGAR |
| 2009-04-24 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | +8,500 | $0 | EDGAR |
| 2009-01-05 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | +5,000 | $0 | EDGAR |
| 2008-10-14 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Grant (A) | — | $0 | EDGAR |
| 2008-07-23 | BRIGHAM EXPLORATION CO (BEXP) Delisted | Mixed | — | -$109.5K | 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.