Latest filingSep 03, 2026Most recent Form 4
MTRN
MATERION Corp
NYSEIndustrialsMetal Forgings & Stampings
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$70.5M2 sells
Net open-market-$70.5M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period4transactions
- G · Gifts · dominant2 · 50%
- S · Open-market sells2 · 50%
Activity by reported role
A joint filing can contribute to multiple roles4transactions
- Director · dominant4 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeToth Robert BCommon Stock · Indirect · By family limited partnership
28,832Aug 31, 2026
Toth Robert BCommon Stock · Indirect · By Spouse
0Aug 31, 2026
Khilnani Vinod MCommon Stock · Direct
11,171Aug 31, 2026
Liggett Emily MCommon Stock · Direct
3,161Sep 01, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 04 → Sep 04
LessMore
Top insiders
By absolute net value across the selected period- KM-$470.3k
- LM-$235.2k
- TB+$0
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
MTRN transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| MTRN | LIGGETT EMILY M | DIR | sale | 1.01k | -$23.5M | S | — | 0.0% | 09/03 | 09/01 |
| MTRN | KHILNANI VINOD M | DIR | sale | 2.00k | -$47.0M | S | 0.0% | 09/01 | 08/31 | |
| MTRN | Toth Robert B | DIR | gift | 28.8k | $0 | G | 0.0% | 08/31 | 08/31 | |
| MTRN | Toth Robert B | DIR | gift | 28.8k | $0 | G | — | 0.0% | 08/31 | 08/31 |
MATERION Corp Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at MATERION Corp?
LIGGETT EMILY M, KHILNANI VINOD M, Toth Robert B.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Liggett Emily M reported a sale on Sep 01, 2026 valued at $23.5M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $705,532.05. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.