Latest filing published 03 Mar 2026 for MARTIN MARIETTA MATERIALS INC.
Filing timeline
BuySaleInsider track record
Donald A. McCunniff: trading record in brief
Donald A. McCunniff is a declared insider at 2 companies; the most frequent names are Martin Marietta Materials Inc and Armstrong World Industries Inc. Between 31 October 2006 and 1 March 2026, the trades on record add up to 62 filings.
Sales make up the whole of the open-market record (9 sales, €3.7M). Besides market trades, the filings include 48 share grants and 4 option exercises.
The newest entry dates from 3 March 2026: a share grant, in Martin Marietta Materials Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to Donald A. McCunniff
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 2,960 shares0Common StockSEC:0000916076-26-000040:0
- 192 shares@ US$683.6080.6% of flowCommon StockSEC:0000916076-26-000024:0
- 1,277 shares0Common StockSEC:0000916076-26-000014:0
- 50 shares@ US$629.4919.4% of flowCommon StockSEC:0000916076-25-000038:0
- 1,332 shares@ US$475.0011.1% of flowCommon StockSEC:0001127602-25-008484:1
- 1,332 shares@ US$154.58100.0% of flowCommon StockSEC:0001127602-25-008484:0
- 1,543 shares0Common StockSEC:0001127602-25-006568:0
- 3,226 shares0Common StockSEC:0001127602-19-017608:0
- 738 shares@ US$221.444.3% of flowCommon StockSEC:0001127602-19-017608:1
- 3,183 shares@ US$220.1918.3% of flowCommon StockSEC:0001127602-19-017608:2
- 288 shares@ US$197.911.5% of flowCommon StockSEC:0001127602-19-013776:0
- 660 shares@ US$190.903.1% of flowCommon StockSEC:0001127602-19-008845:0
- 1,563 shares@ US$189.317.3% of flowCommon StockSEC:0001127602-19-008845:1
- 118 shares@ US$190.000.6% of flowCommon StockSEC:0001127602-19-008377:0
- 1,624 shares0Common StockSEC:0001127602-19-007792:1
- 2,220 shares0Common StockSEC:0001127602-19-007792:2
- 602 shares@ US$153.822.3% of flowCommon StockSEC:0001127602-19-007792:0
- 657 shares@ US$192.273.1% of flowCommon StockSEC:0001127602-19-007792:3
- 172 shares@ US$185.960.8% of flowCommon StockSEC:0001127602-19-004119:0
- 139 shares@ US$194.390.7% of flowCommon StockSEC:0001127602-18-035264:0
- 1,818 shares0Common StockSEC:0001127602-18-032756:0
- 342 shares@ US$188.381.6% of flowCommon StockSEC:0001127602-18-032756:1
- 1,476 shares@ US$185.506.7% of flowCommon StockSEC:0001127602-18-032756:2
- 2,250 shares@ US$204.3311.0% of flowCommon StockSEC:0001127602-18-026177:0
- 4,226 shares@ US$230.7217.7% of flowCommon StockSEC:0001127602-18-020780:0
25 of 62 declarations
