MACRICOSTAS CONSTANTINE S
CIK 900574 · Executive Chairman · last filed 2026-04-15
MACRICOSTAS CONSTANTINE S is an Executive Chairman who has filed 94 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for PLAB, was dated Apr 15, 2026. Across all open-market trades the lifetime net is −$29.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $12.3M 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.
$12.26M
1
94
-$29.42M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| PLAB | Director | 414,617 | $29.56 | $12.26M | -$29.42M | 94 | 2026-04-15 |
Recent Filings
94 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-15 | PLAB | Grant (A) | +3,722 | $0 | EDGAR |
| 2026-04-14 | PLAB | Sell (S) | −50,000 | -$2.27M | EDGAR |
| 2026-04-14 | PLAB | Gift (G) | −50,000 | $0 | EDGAR |
| 2026-01-07 | PLAB | Grant (A) | +1,272 | $0 | EDGAR |
| 2025-07-03 | PLAB | Sell (S) | −29,500 | -$595.9K | EDGAR |
| 2025-02-25 | PLAB | Gift (G) | −1,000 | $0 | EDGAR |
| 2025-02-19 | PLAB | Grant (A) | +7,548 | $0 | EDGAR |
| 2025-02-14 | PLAB | Grant (A) | +3,108 | $70.0K | EDGAR |
| 2024-01-05 | PLAB | Grant (A) | +15,000 | $0 | EDGAR |
| 2023-01-05 | PLAB | Mixed | −14,500 | -$498.8K | EDGAR |