CHURCHILL WINSTON J
CIK 923792 · Chairman of the Board · last filed 2026-05-15
CHURCHILL WINSTON J is a Chairman of the Board who has filed 190 SEC Form 4 insider transactions across 9 companies since 2007. The most recent filing, for AMKR, was dated May 15, 2026. Across all open-market trades the lifetime net is −$10.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.6M 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.
$5.60M
9
190
-$10.20M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AMKR | Director | 33,390 | $70.91 | $2.37M | -$5.74M | 72 | 2026-05-15 |
| SCTL | Director | 0 | $1.10 | — | $25.0K | 4 | 2024-04-08 |
| ISSC | Director | 9,523 | $18.02 | $171.6K | -$1.14M | 28 | 2023-06-14 |
| BXRX | Director | 53,320 | $0.02 | — | $158.3K | 7 | 2022-06-17 |
| REPH | Director | 862,876 | $2.09 | — | -$461.4K | 15 | 2021-05-17 |
| RWLK | 10%+ Owner | 1,120,373 | $1.05 | — | -$1.91M | 1 | 2016-08-17 |
| GRIF | Director | 3,996 | — | — | -$1.74M | 22 | 2015-05-13 |
| RODM | Director | 75,000 | $40.86 | $3.06M | $608.2K | 13 | 2012-05-04 |
| AUXL | Director | — | — | — | $0 | 1 | 2007-06-15 |
Recent Filings
190 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-15 | AMKR | Mixed | +9,893 | $0 | EDGAR |
| 2026-05-07 | AMKR | Sell (S) | −7,000 | -$535.1K | EDGAR |
| 2026-04-02 | AMKR | Grant (A) | — | $0 | EDGAR |
| 2025-12-29 | AMKR | Grant (A) | — | $0 | EDGAR |
| 2025-12-17 | AMKR | Mixed | — | -$124.5K | EDGAR |
| 2025-09-25 | AMKR | Grant (A) | — | $0 | EDGAR |
| 2025-06-27 | AMKR | Grant (A) | — | $0 | EDGAR |
| 2025-05-16 | AMKR | Mixed | +6,017 | $0 | EDGAR |
| 2025-04-04 | AMKR | Grant (A) | — | $0 | EDGAR |
| 2024-12-26 | AMKR | Grant (A) | — | $0 | EDGAR |