DAVID L LAMP
CIK 1275536 · President and CEO · last filed 2025-12-12
"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
$533.3K
Companies
6
Total Filings
58
Lifetime Open-Market Net
-$8.72M
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 |
|---|---|---|---|---|---|---|---|
| CVI | President and CEO | 17,388 | $30.67 | $533.3K | $0 | 11 | 2025-12-12 |
| Western Refining, Inc. (WNR) Delisted | President and COO | 0 | — | — | $0 | 3 | 2017-06-02 |
| Western Refining, Inc. (WNRw) Delisted | President and COO | 63,801 | — | — | $0 | 1 | 2016-06-27 |
| Northern Tier Energy LP (NTI) Delisted | President and CEO | 354,129 | — | — | -$1.87M | 4 | 2016-01-22 |
| HollyFrontier Corp (HFC) Delisted | EVP & COO | 182,004 | $36.39 | $6.62M | -$6.12M | 15 | 2013-12-19 |
| HollyFrontier Corp (HOC) Delisted | President | 82,030 | — | — | -$728.3K | 23 | 2011-05-19 |
Recent Filings · Page 2 of 6
58 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2017-12-05 | CVI | Grant (A) | — | $0 | EDGAR |
| 2017-06-02 | Western Refining, Inc. (WNR) Delisted | Disp (D) | −173,769 | $0 | EDGAR |
| 2017-01-20 | Western Refining, Inc. (WNR) Delisted | Mixed | +33,784 | $0 | EDGAR |
| 2017-01-03 | Western Refining, Inc. (WNR) Delisted | Mixed | +76,184 | $0 | EDGAR |
| 2016-06-27 | Western Refining, Inc. (WNRw) Delisted | Grant (A) | +63,801 | $0 | EDGAR |
| 2016-06-27 | — | Disp (D) | −354,129 | $0 | |
| 2016-01-22 | Northern Tier Energy LP (NTI) Delisted | Mixed | +14,868 | -$313.5K | EDGAR |
| 2016-01-05 | Northern Tier Energy LP (NTI) Delisted | Sell (S) | −60,739 | -$1.56M | EDGAR |
| 2015-01-23 | Northern Tier Energy LP (NTI) Delisted | Grant (A) | — | $0 | EDGAR |
| 2014-03-04 | Northern Tier Energy LP (NTI) Delisted | Grant (A) | +400,000 | $0 | 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.