Insiders / McCunniff Donald A.
McCunniff Donald A.
CIK 1355849personinsider
Companies
1
First seen
Feb 24, 2026
Last activity
Mar 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Martin Marietta Materials Inc · MLM | 7,518 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Martin Marietta Materials Inc | Common Stock | 7,518 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 23, 2026 | Other | MLM Martin Marietta Materials Inc Common Stock | $131.3K | -192 -4.04% | 4,558 <0.01% of shares | low |
| Mar 1, 2026 | Grant | MLM Martin Marietta Materials Inc Common Stock | $0 | +3K +64.94% | 7,518 0.01% of shares | low |
| Feb 20, 2026 | Grant | MLM Martin Marietta Materials Inc Common Stock | $0 | +1K +36.77% | 4,750 <0.01% of shares | low |