Shelly Marie Chadwick is President & CFO +1 at MATERION Corp (MTRN). They have made 12 open-market trades across 2 companies since 2017, most recently 2026-08-07.
CIK 0001688289
1 open-market purchase totalling $124K since 2019, against 11 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MTRN | 15,246 | $3.7M |
| AIT | 3,656 | $1.2M |
| TKR | 6,204 | $698K |
| Total | $5.6M |
Shares reported on the most recent Form 4, priced at the 2026-08-11 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MTRN | SELL | 2026-08-07 | 2026-08-11 | $293.00 | $500K | -19.0% | -12.0% | — |
| MTRN | SELL | 2026-05-08 | 2026-05-12 | $198.88 | $237K | +4.1% | +19.1% | +35.4% |
| MTRN | SELL | 2026-03-03 | 2026-03-03 | $160.06 | $406K | -16.4% | -8.4% | +36.8% |
| MTRN | SELL | 2026-02-23 | 2026-02-25 | $146.13 | $1.3M | -9.6% | -12.1% | +38.8% |
| MTRN | SELL · 10b5-1 | 2025-03-04 | 2025-03-06 | $86.07 | $216K | -0.8% | -16.8% | -10.5% |
| MTRN | SELL · 10b5-1 | 2025-01-31 | 2025-02-04 | $101.24 | $163K | -3.4% | -11.3% | -20.8% |
| MTRN | SELL | 2024-11-29 | 2024-12-03 | $115.92 | $232K | -13.5% | -18.4% | -26.0% |
| MTRN | SELL | 2024-02-22 | 2024-02-26 | $132.60 | $265K | +1.8% | +5.5% | -13.4% |
| TKR | SELL | 2020-08-12 | 2020-08-14 | $56.01 | $228K | -1.6% | +2.7% | +24.3% |
| TKR | SELL | 2020-02-13 | 2020-02-18 | $55.06 | $318K | -16.5% | -47.1% | -23.7% |
| TKR | BUY | 2019-11-04 | 2019-11-06 | $52.28 | $124K | -2.2% | -0.4% | +4.0% |
| TKR | SELL | 2019-05-03 | 2019-05-07 | $51.44 | $123K | -7.6% | -5.9% | -15.9% |
| TKR | SELL | 2018-08-21 | 2018-08-22 | $48.85 | $102K | +1.9% | +9.3% | -18.4% |
| TKR | SELL | 2017-02-21 | 2017-02-22 | $44.73 | $161K | +2.7% | -1.8% | +3.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.