Insider / STERLING INFRASTRUCTURE, INC.
GRINDSTAFF NICHOLAS M
Chief Financial Officer (CFO) at STERLING INFRASTRUCTURE, INC.
- Ticker
- STRL
- First filing on record
- January 5, 2026
- Latest trade on record
- July 10, 2026
- SEC filings
- EDGAR ↗
GRINDSTAFF NICHOLAS M, Chief Financial Officer (CFO) at STERLING INFRASTRUCTURE, INC., has disclosed 3 transactions in STRL since January 5, 2026: 0 purchases (0 open-market buys) and 2 sales, worth about $398K at the reported prices. The latest was filed July 14, 2026, 4 days after the trade; 1 filing was late against the 2-business-day Form 4 deadline.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months GRINDSTAFF NICHOLAS M made no purchases and 2 sales worth $398K, plus 1 other transaction. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
GRINDSTAFF NICHOLAS M has traded 1 stock on record; the largest by dollars is STRL.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
1 of 2 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 |
|---|---|---|---|---|
| F | Shares withheld for tax | 2 | 617 | $398K |
| A | Grant or award | 1 | 1,029 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 2 | 0 | 1 · $379K |
| 2025 | 1 | 0 | 1 · $19K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| STRL | Sell F | July 10, 2026 | July 14, 2026 | 4d | 556 | $682 | $379K | Form 4 ↗ | ||
| STRL | Other A | January 1, 2026 | January 5, 2026 | 4d | 1,029 | — | — | Form 4 ↗ | ||
| STRL | Sell F | December 31, 2025 | January 5, 2026 | 5d | 61 | $306 | $19K | late | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| July 14, 2026 | Form 4 | 0000874238-26-000097 | 1 | published | EDGAR ↗ |
| January 5, 2026 | Form 4 | 0000874238-26-000008 | 2 | published | EDGAR ↗ |
Other insiders at STERLING INFRASTRUCTURE, INC.
- Wilson Dwayne Andree Director 12 rows
- CUTILLO JOSEPH A Chief Executive Officer 10 rows
- Wolf Mark D. General Counsel, Corporate Sec 6 rows
- O'Brien Dana C. Director 5 rows
- Govin Daniel P. Chief Operating Officer (COO) 4 rows
- Dill Julie Director 3 rows
- Hargis Katherine General Counsel & CCO 2 rows
- Schulz David S. Director 2 rows
- Bosway William T Director 1 row
- CREGG ROGER A Director 1 row
Everyone on file, with contracts and lobbying under the company's name: STERLING INFRASTRUCTURE, 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.
- 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 | 2 | 3 | January 5, 2026 | July 14, 2026 | Form 4 list on EDGAR |
Site built October 22, 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.