Jeffrey Chen - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Jeffrey Chen has filed 3 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $96.05M.
Profile
Jeffrey Chen holds the role of Director at ASE Technology Holding Co., Ltd. (ASX). Chen has reported 8 insider filings with the SEC since 2026. The most recent filing was in May 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- ASE Technology Holding Co., Ltd.
Reported roles
- Director
Awards & honors
- Director at ASE Technology Holding Co., Ltd.
Trading Pattern
InsiderAlpha's records for Jeffrey Chen go back to 2026: 8 primary Form 4 filings, an average of 8.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Jeffrey Chen has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at ASE Technology Holding Co., Ltd. (ASX) - 8 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-27 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 2.0K | $653.00 | $1.31M |
| 2026-05-27 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $630.00 | $5.67M |
| 2026-05-27 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $590.00 | $5.31M |
| 2026-05-27 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $538.00 | $4.84M |
| 2026-05-21 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $505.00 | $4.54M |
| 2026-05-21 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $477.00 | $4.29M |
| 2026-05-21 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $483.00 | $4.35M |
| 2026-05-18 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $506.00 | $4.55M |
| 2026-05-18 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $563.00 | $5.07M |
| 2026-05-18 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $560.00 | $5.04M |
| 2026-04-28 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $473.00 | $4.26M |
| 2026-04-23 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $487.67 | $4.39M |
| 2026-04-23 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $466.50 | $4.20M |
| 2026-04-23 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $463.50 | $4.17M |
| 2026-04-20 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $461.50 | $4.15M |
| 2026-04-20 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $454.00 | $4.09M |
| 2026-04-20 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $446.00 | $4.01M |
| 2026-04-15 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $432.00 | $3.89M |
| 2026-04-15 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $427.00 | $3.84M |
| 2026-04-15 | ASX | ASE Technology Holding Co., Ltd. | S - Open-market sale | 9.0K | $408.33 | $3.67M |
Companies - Last 90 Days
- ASE Technology Holding Co., Ltd. (ASX) - 3 filings, last 2026-05-27
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Jeffrey Chen has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Tien-Szu Chen - $247.14M of ASX open-market activity in the last 12 months
- Du-Tsuen Uang - $24.30M of ASX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Arun Jeldi
- Jan Philipp Jenisch
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
Frequently Asked Questions
Who is Jeffrey Chen?
Jeffrey Chen holds the role of Director at ASE Technology Holding Co., Ltd. (ASX). Chen has reported 8 insider filings with the SEC since 2026. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Jeffrey Chen submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Jeffrey Chen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 23 open-market sales ($96.05M) across all tracked filings.
Where can I see all of Jeffrey Chen'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.
Learn More
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