Who
Gregory R. Chemnitz
VP General Counsel & Secretary
Company insider
Files Form 4 as: VP General Counsel & Secretary, Materion.
In numbers
- Trades disclosed
- 295
- Buys
- 0
- Sells
- 29
- Bought
- $0
- Sold
- $8.3M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 4 May 2011
- Last trade
- 4 Sep 2026
- Last filed
- 9 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 4 Sep 2026filed 9 Sep 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —2 at $0.00 | filing |
| 4 Sep 2026filed 9 Sep 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —2 at $0.00 | filing |
| 12 Jun 2026filed 16 Jun 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —2 at $0.00 | filing |
| 12 Jun 2026filed 16 Jun 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —2 at $0.00 | filing |
| 9 Mar 2026filed 10 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code F | $7215 at $144.19 | filing |
| 9 Mar 2026filed 10 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code F | $7215 at $144.19 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code A | —5 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —4 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code A | —4 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code A | —5 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —3,040 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —1,471 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —1,017 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code M | $344K3,040 at $113.28 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —3,040 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —1,471 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN Materionoption or derivative · Machinery | SEC FORM 4 Code M | —1,017 at $0.00 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code M | $199K1,471 at $135.58 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code M | $89K1,017 at $87.36 | filing |
| 3 Mar 2026filed 3 Mar 2026 | MTRN MaterionMachinery | SEC FORM 4 Code F | $699K4,445 at $157.26 | filing |
News
No headline names them, or the companies they trade most, lately.