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Insider selling
Shelly Marie Chadwick sold $500K of MATERION Corp (MTRN) stock
Shelly Marie Chadwick, Vice President, Finance & CFO of MATERION Corp (MTRN), sold 1,705 shares of MTRN stock worth $500K, per an SEC Form 4 filed Aug 11, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 7, 2026, 4 days before it was made public.
MTRN has moved -12.7% since the trade date, from $290.05 to $253.30 (Sep 22, 2026 close).
- Traded
- Aug 7, 2026
- Disclosed
- Aug 11, 2026
- Filing delay
- 4 days
- Price since
- -12.7%
- Role
- Vice President, Finance & CFO
- Source
- SEC Form 4
More MTRN insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.