Summary
Updated Aug 31, 2026
Peter A. Shimer is Director of ALASKA AIR GROUP, INC. (ALK). 5 SEC Form 4 filings on record, most recently on 14 May 2026.
Recent Transactions
6Every recent SEC Form 4 transaction Peter A. Shimer 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 Peter A. Shimer 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.
- Charles Robbins - $53.44M of CSCO open-market activity in the last 12 months
- Jeetendra I. Patel - $15.26M of CSCO open-market activity in the last 12 months
- Deborah L. Stahlkopf - $15.13M of CSCO open-market activity in the last 12 months
- Sassine Ghazi - $13.40M of SNPS open-market activity in the last 12 months
- Sudhindra Kankanwadi - $7.84M of SNPS open-market activity in the last 12 months
- Mark Patterson - $7.82M of CSCO 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 Peter A. Shimer?
Peter A. Shimer is a corporate insider, tracked as Director of ALASKA AIR GROUP, INC. (ALK). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Peter A. Shimer last file a Form 4?
The most recent primary Form 4 on record is dated 14 May 2026, one of 5 filings going back to 2026.
Where can I see all of Peter A. Shimer'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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