Rong Zhou
CIK 1645326 · SENIOR EVP, PRODUCTION CENTER · last filed 2026-03-17
Rong Zhou is a SENIOR EVP, PRODUCTION CENTER who has filed 63 SEC Form 4 insider transactions across 1 company since 2015. The most recent filing shows the insider had shares withheld for taxes covering $22.3K of AMPH on Mar 17, 2026. Across all open-market trades the lifetime net is −$6.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.4M 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.
$5.45M
1
63
-$6.27M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AMPH | SENIOR EVP, PRODUCTION CENTER | 271,222 | $20.09 | $5.45M | -$6.27M | 63 | 2026-03-17 |
Recent Filings
63 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-17 | AMPH | Tax (F) | −1,225 | -$22.3K | EDGAR |
| 2026-03-11 | AMPH | Mixed | +37,217 | -$41.9K | EDGAR |
| 2026-03-10 | AMPH | Tax (F) | −1,357 | -$26.2K | EDGAR |
| 2026-03-06 | AMPH | Tax (F) | −1,124 | -$22.4K | EDGAR |
| 2025-12-18 | AMPH | Mixed | — | -$145.5K | EDGAR |
| 2025-03-18 | AMPH | Tax (F) | −3,189 | -$87.0K | EDGAR |
| 2025-03-12 | AMPH | Grant (A) | +24,692 | $0 | EDGAR |
| 2025-03-10 | AMPH | Tax (F) | −1,354 | -$38.3K | EDGAR |
| 2025-03-06 | AMPH | Tax (F) | −1,121 | -$31.0K | EDGAR |
| 2024-12-16 | AMPH | Mixed | — | -$502.9K | EDGAR |