Donald A. McCunniff
CIK 1355849 · EVP and CHRO · last filed 2026-03-03
Donald A. McCunniff is an EVP and CHRO who has filed 45 SEC Form 4 insider transactions across 2 companies since 2008. The most recent filing, for MLM, was dated Mar 3, 2026. Across all open-market trades the lifetime net is −$4.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $4.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$4.34M
2
45
-$4.14M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MLM | EVP and CHRO | 7,518 | $577.33 | $4.34M | -$4.14M | 40 | 2026-03-03 |
| ARMSTRONG WORLD INDUSTRIES INC (AWIw) Delisted | Sr. VP-Human Resources | 6,377 | — | — | $0 | 5 | 2009-09-01 |
Recent Filings
45 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-03 | MLM | Grant (A) | +2,960 | $0 | EDGAR |
| 2026-02-25 | MLM | Tax (F) | −192 | -$131.3K | EDGAR |
| 2026-02-24 | MLM | Grant (A) | +1,277 | $0 | EDGAR |
| 2025-12-17 | MLM | Tax (F) | −50 | -$31.5K | EDGAR |
| 2025-03-06 | MLM | Mixed | — | -$426.8K | EDGAR |
| 2025-02-25 | MLM | Grant (A) | +1,543 | $0 | EDGAR |
| 2019-05-07 | MLM | Mixed | −695 | -$864.3K | EDGAR |
| 2019-04-01 | MLM | Tax (F) | −288 | -$57.0K | EDGAR |
| 2019-02-28 | MLM | Sell (S) | −2,223 | -$421.9K | EDGAR |
| 2019-02-26 | MLM | Tax (F) | −118 | -$22.4K | EDGAR |