Summary
Updated Aug 30, 2026
Mary L. Smith files SEC Form 4 reports at PTC THERAPEUTICS, INC. (PTCT). 1 SEC Form 4 filing on record, dated 13 July 2026. Most recent open-market trade: sold $525K of PTCT on 13 July 2026. Lifetime open-market sales: $1.43M.
Recent Transactions
4Every recent SEC Form 4 transaction Mary L. Smith 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 Mary L. Smith 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.
- Neil Gregory Almstead - $19.99M of PTCT open-market activity in the last 12 months
- Mark Elliott Boulding - $8.67M of PTCT open-market activity in the last 12 months
- Emma Reeve - $5.11M of PTCT open-market activity in the last 12 months
- Eric Pauwels - $4.88M of PTCT open-market activity in the last 12 months
- Michael Schmertzler - $3.61M of PTCT open-market activity in the last 12 months
- Matthew B. Klein - $3.60M of PTCT 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 Mary L. Smith?
Mary L. Smith is a corporate insider of PTC THERAPEUTICS, INC. (PTCT). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Mary L. Smith submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Mary L. Smith been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.43M) across all tracked filings.
Where can I see all of Mary L. Smith'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 Mary L. Smith 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
