Summary
Updated Aug 31, 2026
Dorothy M. Ables is Director of MARTIN MARIETTA MATERIALS INC (MLM). 2 SEC Form 4 filings on record, most recently on 18 May 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Dorothy M. Ables has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Dorothy M. Ables go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. 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 have reported open-market trades at the same companies as Dorothy M. Ables. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Stephen P. Bell - $5.18M of CTRA open-market activity on record
- Kevin William Smith - $775K of CTRA open-market activity on record
- Laree E. Perez - $637K of MLM open-market activity on record
- Adam M. Vela - $440K of CTRA open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Dorothy M. Ables?
Dorothy M. Ables is a corporate insider, tracked as Director of MARTIN MARIETTA MATERIALS INC (MLM). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Dorothy M. Ables last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 2 filings going back to 2026.
Where can I see all of Dorothy M. Ables'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 Dorothy M. Ables 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