Summary
Updated Aug 31, 2026
Jan Philipp Jenisch is Chairman & CEO, Director of Amrize Ltd (AMRZ). 7 SEC Form 4 filings on record going back to 2025, most recently on 20 May 2026. Most recent open-market trade: bought $150K of AMRZ on 20 May 2026. Lifetime open-market purchases: $63.43M. Historical track record: 5/5 stars across 27 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction Jan Philipp Jenisch 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 | ★★★★★ (5/5) |
| Total purchases tracked | 27 |
| Purchases with forward-return data | 27 |
| 30-day win rate | 96% |
| 90-day win rate | 59% |
| Avg 5-day return | +5.73% |
| Avg 30-day return | +12.44% |
| Avg 90-day return | +0.08% |
| Best 30-day return | +15.52% |
Trading Pattern
InsiderAlpha's records for Jan Philipp Jenisch go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. The typical open-market purchase is $2.35M (27 buys totaling $63.43M). The largest single buy on record is $16.32M of AMRZ in 2025. 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.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jan Philipp Jenisch 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.
- Roald Brouwer - $637K of AMRZ open-market activity in the last 12 months
- Jaime Hill - $569K of AMRZ open-market activity in the last 12 months
- Mario Gross - $539K of AMRZ open-market activity in the last 12 months
- Ian A. Johnston - $327K of AMRZ open-market activity in the last 12 months
- Baris Oran - $284K of AMRZ open-market activity in the last 12 months
- Stephen S. Clark - $249K of AMRZ 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 Jan Philipp Jenisch?
Jan Philipp Jenisch is a corporate insider, tracked as Chairman & CEO, Director of Amrize Ltd (AMRZ). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jan Philipp Jenisch last file a Form 4?
The most recent primary Form 4 on record is dated 20 May 2026, one of 7 filings going back to 2025.
Has Jan Philipp Jenisch been buying or selling stock?
Recorded transactions: 27 open-market purchases ($63.43M) and 0 open-market sales across all tracked filings.
How accurate is Jan Philipp Jenisch's historical track record?
Across 27 tracked purchases, Jan Philipp Jenisch averaged +12.4% avg 30-day return with a 96% 30-day win rate. InsiderAlpha rates the track record at 5/5 stars.
Where can I see all of Jan Philipp Jenisch'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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