Winston J. Churchill
Winston J. Churchill: Director at Amkor. What Winston J. Churchill holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Amkor (AMKR)
Winston J. Churchill holds 28,681 Amkor shares (0.01% of the company), worth about $1.2M at the last price, according to the Form 4 of Jul 30, 2026.
- Shares held: 28,681 (0.01%), $1.2M — Held in their own name.
- Options: 10,000 (0.00%), $416,900.00 — The right to buy 10,000 shares at $19.39 each, until 2031. Not bought yet.
- Share units: 2,620 (0.00%), $109,227.80 — Amkor promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Amkor (AMKR) — Form 4 of Sep 22, 2026 0001628280-26-063417
- Amkor (AMKR) — Form 4 of Jul 30, 2026: gift of 100; 28,681 shares after 0001628280-26-051439
- Amkor (AMKR) — Form 4 of Jun 23, 2026 0001628280-26-045556
- Amkor (AMKR) — Form 4 of Jun 12, 2026: option exercise or conversion of 5,000 at $19.39; open-market sale of 5,000 at $78.20; 28,781 shares after 0001628280-26-043569
- Amkor (AMKR) — Form 4 of May 13, 2026: option exercise or conversion of 9,893; 28,781 shares after 0001628280-26-035661
- Amkor (AMKR) — Form 4 of May 5, 2026: open-market sale of 7,000 at $76.45; 18,888 shares after 0001628280-26-032234
- Amkor (AMKR) — Form 4 of Mar 31, 2026 0001628280-26-023385
- Amkor (AMKR) — Form 4 of Dec 23, 2025 0001628280-25-058870
- Amkor (AMKR) — Form 4 of Dec 15, 2025: option exercise or conversion of 5,000 at $19.39; open-market sale of 5,000 at $44.29; 25,888 shares after 0001628280-25-057639
- Amkor (AMKR) — Form 4 of Sep 23, 2025 0001628280-25-042825
- Amkor (AMKR) — Form 4 of Jun 25, 2025 0001047127-25-000146
- Amkor (AMKR) — Form 4 of May 15, 2025: option exercise or conversion of 6,017; 25,888 shares after 0001047127-25-000107
- Amkor (AMKR) — Form 4 of Apr 2, 2025 0001047127-25-000072
- Amkor (AMKR) — Form 4 of Dec 23, 2024 0001047127-24-000225
- Amkor (AMKR) — Form 4 of Sep 23, 2024 0001047127-24-000183
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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