Transactions
10
Insider / MARTIN MARIETTA MATERIALS INC
Foxx Anthony R
Director at MARTIN MARIETTA MATERIALS INC
- First filing on record
- December 12, 2025
- Latest trade on record
- September 10, 2026
- SEC filings
- EDGAR ↗
Foxx Anthony R, Director at MARTIN MARIETTA MATERIALS INC, has disclosed 10 transactions in CDW, NXPI, MLM since December 12, 2025: 0 purchases (0 open-market buys) and 1 sale, worth about $164K at the reported prices. The latest was filed September 14, 2026, 4 days after the trade.
Open-market buys
0
Sales
1
Avg. disclosure lag
2.6d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Foxx Anthony R made no purchases and 1 sale worth $153K, plus 9 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Foxx Anthony R has traded 1 stock on record; the largest by dollars is NXPI.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 7 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| A | Grant or award | 7 | 2,880 | $12K |
| M | Option exercise or conversion | 2 | 2,070 | — |
| F | Shares withheld for tax | 1 | 513 | $153K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 9 | 0 | 1 · $153K |
| 2025 | 1 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| CDW | Other A | September 10, 2026 | September 14, 2026 | 4d | 30 | $143 | $4,237 | Form 4 ↗ | ||
| NXPI | Other A | June 10, 2026 | June 12, 2026 | 2d | 841 | — | — | derivative | Form 4 ↗ | |
| NXPI | Option / conversion M | June 10, 2026 | June 12, 2026 | 2d | 1,035 | — | — | derivative | Form 4 ↗ | |
| NXPI | Sell F | June 10, 2026 | June 12, 2026 | 2d | 513 | $297 | $153K | Form 4 ↗ | ||
| NXPI | Option / conversion M | June 10, 2026 | June 12, 2026 | 2d | 1,035 | — | — | Form 4 ↗ | ||
| CDW | Other A | June 10, 2026 | June 12, 2026 | 2d | 33 | $129 | $4,216 | Form 4 ↗ | ||
| MLM | Other A | May 14, 2026 | May 18, 2026 | 4d | 313 | — | — | Form 4 ↗ | ||
| CDW | Other A | March 10, 2026 | March 12, 2026 | 2d | 33 | — | — | Form 4 ↗ | ||
| CDW | Other A | March 5, 2026 | March 9, 2026 | 4d | 1,609 | — | — | Form 4 ↗ | ||
| CDW | Other A | December 10, 2025 | December 12, 2025 | 2d | 21 | $150 | $3,169 | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| September 14, 2026 | Form 4 | 0001402057-26-000094 | 1 | published | EDGAR ↗ |
| June 12, 2026 | Form 4 | 0001402057-26-000041 | 1 | published | EDGAR ↗ |
| June 12, 2026 | Form 4 | 0001831914-26-000006 | 4 | published | EDGAR ↗ |
| May 18, 2026 | Form 4 | 0000916076-26-000062 | 1 | published | EDGAR ↗ |
| March 12, 2026 | Form 4 | 0001831914-26-000004 | 1 | published | EDGAR ↗ |
| March 9, 2026 | Form 4 | 0001831914-26-000002 | 1 | published | EDGAR ↗ |
| December 12, 2025 | Form 4 | 0001831914-25-000004 | 1 | published | EDGAR ↗ |
Other insiders at MARTIN MARIETTA MATERIALS INC
- MEHROTRA SANJAY President and CEO 284 rows
- Hardy Andrew Chief Sales Officer 22 rows
- Wuamett Jennifer EVP & General Counsel 19 rows
- Jensen Christopher L EVP, Chief People Officer 16 rows
- Micallef Andrew EVP, Chief Operations Officer 16 rows
- Nye C Howard Director 15 rows
- Sotomayor Rafael CEO & President 15 rows
- CONNELLY ELIZABETH H. See Remarks 14 rows
- Betz William EVP & CFO 13 rows
- Grier Kelly J Director 13 rows
Everyone on file, with contracts and lobbying under the company's name: MARTIN MARIETTA MATERIALS INC.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 7 | 10 | December 12, 2025 | September 14, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.