Summary
Updated Aug 31, 2026
Matthew J. Sippel files SEC Form 4 reports at KOREA FUND INC (KF). 1 SEC Form 4 filing on record, dated 21 October 2024. Most recent open-market trade: bought $2K of KF on 21 October 2024. Lifetime open-market purchases: $45K. Historical track record: 1/5 stars across 5 tracked purchases.
Recent Transactions
5Every recent SEC Form 4 transaction Matthew J. Sippel has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 5 |
| Purchases with forward-return data | 5 |
| 30-day win rate | 0% |
| 90-day win rate | 0% |
| Avg 5-day return | -1.31% |
| Avg 30-day return | -10.28% |
| Avg 90-day return | -10.96% |
| Best 30-day return | -10.18% |
Trading Pattern
InsiderAlpha's records for Matthew J. Sippel go back to 2024: 1 primary Form 4 filing, an average of 0.3 per year. The typical open-market purchase is $9K (5 buys totaling $45K). The largest single buy on record is $11K of KF in 2024. 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.
Most Active Insiders Right Now
Matthew J. Sippel has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Patrizio Vinciarelli - $118.12M of VICR open-market activity in the last 90 days
- Ronda E. Stryker - $117.78M of SYK open-market activity in the last 90 days
- Gang Ye - $117.60M of SE open-market activity in the last 90 days
- SVF Pauling (Cayman) Ltd - $116.40M of RLAY open-market activity in the last 90 days
- Albert L. Lord - $116.13M of APCX open-market activity in the last 90 days
- Brannin McBee - $112.75M of CRWV open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Matthew J. Sippel?
Matthew J. Sippel is a corporate insider of KOREA FUND INC (KF). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Matthew J. Sippel last file a Form 4?
The only primary Form 4 on record is dated 21 October 2024.
Has Matthew J. Sippel been buying or selling stock?
Recorded transactions: 5 open-market purchases ($45K) and 0 open-market sales across all tracked filings.
How accurate is Matthew J. Sippel's historical track record?
Across 5 tracked purchases, Matthew J. Sippel averaged -10.3% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Matthew J. Sippel'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
Follow Matthew J. Sippel and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial