🕵️ Vulcan Materials Company ($VMC)
SEC insider & ownership activity, last 12 months · CIK 1396009 · every row links its SEC filing
Over the last 12 months insiders sold $11.0M with no open-market buying against it. Thompson S. Baker II sold $6.5M (Nov–Dec). 1 planned sale is pending, the largest $2.2M (Stanley Bass). No red-flag 8-Ks in the window.
🚨 2 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 7 sellers, $11.0M (15 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Thompson S. Baker II | 0 | – | 5 | $6.5M | Dec 11, 2025 |
| David Clement | 0 | – | 4 | $1.4M | Jun 15, 2026 |
| Hall Grayson | 0 | – | 2 | $1.4M | Nov 10, 2025 |
| Stanley Bass | 0 | – | 1 | $960K | Nov 7, 2025 |
| Melissa H. Anderson | 0 | – | 1 | $345K | Feb 20, 2026 |
| Denson Franklin III | 0 | – | 1 | $196K | Dec 10, 2025 |
| Randy Pigg | 0 | – | 1 | $186K | Aug 21, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.8% | 13G | Apr 24, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 5.4% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Stanley Bass | $2.2M | Jun 16, 2026 | filing ↗ |
| David Clement | $647K | Jun 15, 2026 | filing ↗ |
| Denson Franklin III | $1.8M | Apr 30, 2026 | filing ↗ |
| Melissa H. Anderson | $348K | Feb 20, 2026 | filing ↗ |
| Thompson S. Baker II | $2.2M | Dec 11, 2025 | filing ↗ |
| Denson N. Franklin III | $196K | Dec 10, 2025 | filing ↗ |
| David Clement | $577K | Nov 20, 2025 | filing ↗ |
| Thompson S Baker | $1.4M | Nov 12, 2025 | filing ↗ |
| Grayson Hall Jr. | $1.4M | Nov 10, 2025 | filing ↗ |
| Thompson S. Baker | $1.2M | Nov 10, 2025 | filing ↗ |
| Stanley Bass | $960K | Nov 7, 2025 | filing ↗ |
| David P Clement | $208K | Sep 12, 2025 | filing ↗ |
| Randy Pigg | $186K | Aug 21, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Other events (8.01) | Jul 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 27, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 8, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 8, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 12, 2026 | filing ↗ |
| Earnings (2.02) | Feb 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 17, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 10, 2025 | filing ↗ |
| Mine Safety - Reporting of Shutdowns and Patterns of Violations (1.04) | Dec 5, 2025 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 10, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 10, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |