Skip to contentMaier Donald R. — ARMSTRONG WORLD INDUSTRIES INC insider: 85 transactions · InsiderLensInsider trading activity of Maier Donald R.
- Transactions on record
- 85
- since Mar 1, 2012
- Open-market buys
- 0
- Open-market sells
- 1
- $5.8M
- Companies traded
- 3
- last filing Nov 4, 2025
Figures computed from official regulatory filings — methodology.
Companies where Maier Donald R. has traded
Track record of Maier Donald R.
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Maier Donald R.
Co-insiders of Maier Donald R.
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
ValueAct Capital Management, L.P.Armstrong Flooring, Inc. +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Nov 4, 2025 | AwardD | 8,045 | 0.00 USD | $0 | SEC |
| Nov 4, 2024 | AwardD | 3,530 | 0.00 USD | $0 | SEC |
| Nov 2, 2023 | AwardD | 3,745 | 0.00 USD | $0 | SEC |
| Nov 3, 2022 | AwardD | 4,838 | 0.00 USD | $0 | SEC |
| Nov 2, 2021 | AwardD | 4,797 | 0.00 USD | $0 | SEC |
| Nov 3, 2020 | AwardD | 4,188 | 0.00 USD | $0 | SEC |
| Nov 4, 2019 | AwardD | 4,221 | 0.00 USD | $0 | SEC |
| Apr 1, 2019 | Award | 54,385 | 0.00 USD | $0 | SEC |
| Apr 1, 2019 | Other | -18,768 | 13.70 USD | $257.1K | SEC |
| Mar 25, 2019 | AwardD | 3,145 | 0.00 USD | $0 | SEC |
| Mar 11, 2019 | AwardD | 31,274 | 0.00 USD | $0 | SEC |
| Feb 27, 2018 | ExerciseD | -18,970 | 0.00 USD | $0 | SEC |
| Feb 27, 2018 | Exercise | 18,970 | 14.52 USD | $275.4K | SEC |
| Feb 27, 2018 | Other | -5,447 | 14.52 USD | $79.1K | SEC |
| Jan 9, 2018 | AwardD | 76,561 | 0.00 USD | $0 | SEC |
| Sep 28, 2017 | ExerciseD | -5,765 | 0.00 USD | $0 | SEC |
| Sep 28, 2017 | Other | -2,686 | 15.09 USD | $40.5K | SEC |
| Sep 28, 2017 | Exercise | 5,765 | 15.09 USD | $87K | SEC |
| Feb 28, 2017 | Exercise | 18,965 | 22.04 USD | $418K | SEC |
| Feb 28, 2017 | Other | -5,973 | 22.04 USD | $131.6K | SEC |
| Feb 28, 2017 | ExerciseD | -18,965 | 0.00 USD | $0 | SEC |
| Jan 18, 2017 | ExerciseD | -8,498 | 0.00 USD | $0 | SEC |
| Jan 18, 2017 | Other | -2,966 | 19.91 USD | $59.1K | SEC |
| Jan 18, 2017 | Exercise | 8,498 | 19.91 USD | $169.2K | SEC |
| Feb 25, 2016 | Other | -1,625 | 39.20 USD | $63.7K | SEC |