DONALD C WINTER
CIK 1216529 · last filed 2022-03-14
DONALD C WINTER is a corporate insider who has filed 59 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for MTX, was dated Mar 14, 2022. Across all open-market trades the lifetime net is +$24.0K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $31.2K 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.
$31.2K
1
59
$24.0K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MTX | Director | 400 | $78.12 | $31.2K | $24.0K | 59 | 2022-03-14 |
Recent Filings
59 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2022-03-14 | MTX | Grant (A) | — | $0 | EDGAR |
| 2021-12-10 | MTX | Grant (A) | — | $0 | EDGAR |
| 2021-09-13 | MTX | Grant (A) | — | $0 | EDGAR |
| 2021-06-21 | MTX | Grant (A) | — | $0 | EDGAR |
| 2021-05-21 | MTX | Grant (A) | — | $0 | EDGAR |
| 2021-03-15 | MTX | Grant (A) | — | $0 | EDGAR |
| 2020-12-14 | MTX | Grant (A) | — | $0 | EDGAR |
| 2020-09-08 | MTX | Grant (A) | — | $0 | EDGAR |
| 2020-06-15 | MTX | Grant (A) | — | $0 | EDGAR |
| 2020-05-14 | MTX | Grant (A) | — | $0 | EDGAR |