Summary
Updated Aug 31, 2026
Caroline Dorsa is Director of ILLUMINA, INC. (ILMN). 7 SEC Form 4 filings on record going back to 2025, most recently on 22 May 2026. Most recent open-market trade: bought $152K of BIIB on 5 May 2025. Lifetime open-market purchases: $152K.
Recent Transactions
8Every recent SEC Form 4 transaction Caroline Dorsa has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Caroline Dorsa go back to 2025: 7 primary Form 4 filings, an average of 3.5 per year. The typical open-market purchase is $152K (1 buy totaling $152K). The largest single buy on record is $152K of BIIB 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 Caroline Dorsa 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.
- Keith A. Meister - $533.93M of ILMN open-market activity in the last 12 months
- Harry K. Sideris - $2.49M of DUK open-market activity in the last 12 months
- Kodwo Ghartey-Tagoe - $2.40M of DUK open-market activity in the last 12 months
- Brian D. Savoy - $1.53M of DUK open-market activity in the last 12 months
- Louis E. Renjel - $1.41M of DUK open-market activity in the last 12 months
- Robert Alexander Glenn - $1.02M of DUK 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 Caroline Dorsa?
Caroline Dorsa is a corporate insider, tracked as Director of ILLUMINA, INC. (ILMN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Caroline Dorsa last file a Form 4?
The most recent primary Form 4 on record is dated 22 May 2026, one of 7 filings going back to 2025.
Has Caroline Dorsa been buying or selling stock?
Recorded transactions: 1 open-market purchase ($152K) and 0 open-market sales across all tracked filings.
Where can I see all of Caroline Dorsa'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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