TUNC DOLUCA
CIK 1183597 · President and CEO · last filed 2026-03-19
TUNC DOLUCA is a President and CEO who has filed 287 SEC Form 4 insider transactions across 3 companies since 2008. The most recent filing, for WDC, was dated Mar 19, 2026. Across all open-market trades the lifetime net is −$96.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $47.1M 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.
$47.12M
3
287
-$96.31M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| WDC | Director | 39,434 | $562.92 | $22.20M | $0 | 23 | 2026-03-19 |
| ADI | Director | 59,657 | $417.79 | $24.92M | -$22.34M | 34 | 2023-03-02 |
| MAXIM INTEGRATED PRODUCTS INC (MXIM) Delisted | PRESIDENT, CEO & DIRECTOR | 1,029,058 | $103.14 | $106.14M | -$73.97M | 229 | 2021-08-24 |
Recent Filings
287 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-19 | WDC | Grant (A) | — | $0 | EDGAR |
| 2025-12-22 | WDC | Grant (A) | — | $0 | EDGAR |
| 2025-11-21 | WDC | Mixed | +1,599 | $0 | EDGAR |
| 2025-09-22 | WDC | Grant (A) | — | $0 | EDGAR |
| 2025-06-23 | WDC | Grant (A) | — | $0 | EDGAR |
| 2024-11-22 | WDC | Grant (A) | +3,759 | $0 | EDGAR |
| 2023-11-16 | WDC | Grant (A) | +5,213 | $0 | EDGAR |
| 2023-03-02 | ADI | Sell (S) | −5,100 | -$937.7K | EDGAR |
| 2023-02-16 | ADI | Sell (S) | −6,000 | -$1.17M | EDGAR |
| 2023-02-03 | ADI | Sell (S) | −10,200 | -$1.81M | EDGAR |