DIANE K DUREN
CIK 1563283 · EVP CHIEF ADMIN OFFICER & CORP · last filed 2026-05-14
DIANE K DUREN is an EVP CHIEF ADMIN OFFICER & CORP who has filed 41 SEC Form 4 insider transactions across 3 companies since 2013. The most recent filing, for WERN, was dated May 14, 2026. Across all open-market trades the lifetime net is −$7.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.3M 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.
$1.32M
3
41
-$7.42M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| WERN | Director | 30,007 | $43.96 | $1.32M | $253.3K | 11 | 2026-05-14 |
| U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Director | 0 | $15.49 | $0 | $75.7K | 15 | 2024-08-01 |
| UNION PACIFIC CORP (UNPw) Delisted | EVP CHIEF ADMIN OFFICER & CORP | 140,463 | — | — | -$7.75M | 15 | 2016-11-21 |
Recent Filings
41 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-14 | WERN | Grant (A) | +3,025 | $0 | EDGAR |
| 2025-05-15 | WERN | Grant (A) | +3,706 | $0 | EDGAR |
| 2024-08-01 | U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Disp (D) | −103,027 | -$1.60M | EDGAR |
| 2024-05-16 | WERN | Grant (A) | +2,739 | $0 | EDGAR |
| 2024-05-10 | U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Grant (A) | +9,677 | $0 | EDGAR |
| 2023-05-15 | U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Grant (A) | +12,077 | $0 | EDGAR |
| 2023-05-11 | WERN | Grant (A) | +2,274 | $0 | EDGAR |
| 2022-12-19 | U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Sell (S) | −16,089 | -$183.9K | EDGAR |
| 2022-05-16 | U.S. SILICA HOLDINGS, INC. (SLCA) Delisted | Grant (A) | +7,467 | $0 | EDGAR |
| 2022-05-12 | WERN | Grant (A) | +2,410 | $0 | EDGAR |