Summary
Latest filing:
Susan E. Siegel files SEC Form 4 reports at ALIGN TECHNOLOGY INC (ALGN). 5 SEC Form 4 filings on record going back to 2025, most recently on 22 May 2026.
Recent transactions
6The latest 6 SEC Form 4 transactions reported by Susan E. Siegel.
Trading pattern
InsiderAlpha's records for Susan E. Siegel go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Susan E. Siegel 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 - $591.13M in ILMN purchases and sales in the last 12 months
- John Morici - $1.51M in ALGN purchases and sales in the last 12 months
- Scott M. Davies - $531K in ILMN purchases and sales in the last 12 months
- Patricia Leckman - $530K in ILMN purchases and sales in the last 12 months
- Scott D. Ericksen - $305K in ILMN purchases and sales in the last 12 months
- Christensen Jakob Wedel - $295K in ILMN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Susan E. Siegel?
Susan E. Siegel is a corporate insider of ALIGN TECHNOLOGY INC (ALGN). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Susan E. Siegel last file a Form 4?
The most recent primary Form 4 on record is dated 22 May 2026, one of 5 filings going back to 2025.