Guillaume Marie Jean Rutten
CIK 1596796 · President and CEO · last filed 2026-05-15
Guillaume Marie Jean Rutten is a President and CEO who has filed 74 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for AMKR, was dated May 15, 2026. Across all open-market trades the lifetime net is −$34.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $41.6M 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.
$41.64M
1
74
-$34.34M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AMKR | Director | 503,040 | $82.78 | $41.64M | -$34.34M | 74 | 2026-05-15 |
Recent Filings
74 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-15 | AMKR | Mixed | +482 | $0 | EDGAR |
| 2026-05-12 | AMKR | Sell (S) | −50,000 | -$3.71M | EDGAR |
| 2026-04-02 | AMKR | Mixed | +8,692 | $0 | EDGAR |
| 2026-02-26 | AMKR | Mixed | −9,252 | -$976.0K | EDGAR |
| 2026-02-24 | AMKR | Exer (M) | +172,329 | $0 | EDGAR |
| 2026-02-20 | AMKR | Grant (A) | +41,478 | $0 | EDGAR |
| 2026-02-18 | AMKR | Mixed | +3,920 | -$458.9K | EDGAR |
| 2026-01-20 | AMKR | Sell (S) | −10,000 | -$531.4K | EDGAR |
| 2026-01-05 | AMKR | Exer (M) | +8,692 | $0 | EDGAR |
| 2025-12-17 | AMKR | Sell (S) | −10,000 | -$448.0K | EDGAR |