Donald R. Maier
CIK 1537460 · President and CEO · last filed 2025-11-04
Donald R. Maier is a President and CEO who has filed 31 SEC Form 4 insider transactions across 4 companies since 2012. The most recent filing, for NXw, was dated Nov 4, 2025. Across all open-market trades the lifetime net is −$5.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $12.5M 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.
$12.54M
4
31
-$5.83M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NXw | Director | — | — | — | $0 | 8 | 2025-11-04 |
| AWI | President and CEO | 81,306 | $154.21 | $12.54M | $0 | 7 | 2019-04-01 |
| Armstrong Flooring, Inc. (AFI) Delisted | President and CEO | 10,563 | $0.35 | $3.7K | $0 | 1 | 2016-04-13 |
| ARMSTRONG WORLD INDUSTRIES INC (AWIw) Delisted | EVP and CEO, AFP | 21,125 | — | — | -$5.83M | 15 | 2016-02-25 |
Recent Filings
31 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-11-04 | NXw | Grant (A) | — | $0 | EDGAR |
| 2024-11-04 | NXw | Grant (A) | — | $0 | EDGAR |
| 2023-11-02 | NXw | Grant (A) | — | $0 | EDGAR |
| 2022-11-03 | NXw | Grant (A) | — | $0 | EDGAR |
| 2021-11-02 | NXw | Grant (A) | — | $0 | EDGAR |
| 2020-11-03 | NXw | Grant (A) | — | $0 | EDGAR |
| 2019-11-04 | NXw | Grant (A) | — | $0 | EDGAR |
| 2019-04-01 | AWI | Mixed | +35,617 | -$257.1K | EDGAR |
| 2019-03-25 | NXw | Grant (A) | — | $0 | EDGAR |
| 2019-03-11 | AWI | Grant (A) | — | $0 | EDGAR |