Updated Jul 16, 2026
ALEXANDER DOUGLAS A has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $383K.

| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-07 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 343 | $76.58 | $26K |
| 2026-05-07 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 343 | $8.51 | $3K |
| 2026-05-07 | AMKR | AMKOR TECHNOLOGY, INC. | S — Open-market sale | 4.7K | $76.58 | $357K |
| 2026-05-07 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 4.7K | $9.45 | $44K |
| 2025-05-14 | AMKR | AMKOR TECHNOLOGY, INC. | M — Option exercise | 6.0K | $0.00 |
ALEXANDER DOUGLAS A is a corporate insider — currently tracked as Director of AMKOR TECHNOLOGY, INC. (AMKR). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($383K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live ALEXANDER DOUGLAS A profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.