Summary
Updated Aug 30, 2026
David D. Kim files SEC Form 4 reports at AMKOR TECHNOLOGY, INC. (AMKR). 1 SEC Form 4 filing on record, dated 5 August 2025. Most recent open-market trade: bought $9.65M of AMKR on 5 August 2025. Lifetime open-market purchases: $9.65M.
Recent Transactions
1Every recent SEC Form 4 transaction David D. Kim has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David D. Kim files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- John T. Kim - $484.90M of AMKR open-market activity in the last 12 months
- 915 Investments, LP - $484.90M of AMKR open-market activity in the last 12 months
- Guillaume Marie Jean Rutten - $9.35M of AMKR open-market activity in the last 12 months
- Mark N. Rogers - $3.05M of AMKR open-market activity in the last 12 months
- Gil C. Tily - $2.09M of AMKR open-market activity in the last 12 months
- Roger Anthony Carolin - $1.52M of AMKR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David D. Kim?
David D. Kim is a corporate insider of AMKOR TECHNOLOGY, INC. (AMKR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David D. Kim last file a Form 4?
The only primary Form 4 on record is dated 5 August 2025.
Has David D. Kim been buying or selling stock?
Recorded transactions: 1 open-market purchase ($9.65M) and 0 open-market sales across all tracked filings.
Where can I see all of David D. Kim's SEC 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.
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