🕵️ Aecom ($ACM)
SEC insider & ownership activity, last 12 months · CIK 868857 · every row links its SEC filing
Over the last 12 months insiders sold $3.2M against $699K of open-market buying. Poloni Lara sold $1.7M through a 10b5-1 trading plan in 2 lots (Dec–Jun). BlackRock, Inc. added 9.8% → 10.1%; Primecap Management CO/CA/ trimmed 8.6% → 7.2%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $699K (3 lots) · 2 sellers, $3.2M (4 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Poloni Lara | 1 | $298K | 2 | $1.7M | Jun 16, 2026 |
| David Gan | 0 | – | 2 | $1.5M | Dec 17, 2025 |
| Rudd Troy | 1 | $300K | 0 | – | May 14, 2026 |
| Kapoor Gaurav | 1 | $101K | 0 | – | May 14, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10.1% | 13G | Feb 6, 2026 | filing ↗ | |
| Primecap Management CO/CA/ | 7.2% | 13G | Aug 14, 2025 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Lara Poloni | $1.7M | Dec 17, 2025 | filing ↗ |
| David Gan | $922K | Dec 17, 2025 | filing ↗ |
| David Gan | $593K | Dec 15, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Sep 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 17, 2026 | filing ↗ |
| Officer/director changes (5.02) | Sep 14, 2026 | filing ↗ |
| Earnings (2.02) | Aug 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 10, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 10, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 10, 2026 | filing ↗ |
| Other events (8.01) | Jun 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 3, 2026 | filing ↗ |
| Earnings (2.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 10, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 10, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 3, 2026 | filing ↗ |
| Other events (8.01) | Mar 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 3, 2026 | filing ↗ |
| Earnings (2.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Earnings (2.02) | Nov 18, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 18, 2025 | filing ↗ |
| Other events (8.01) | Nov 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 18, 2025 | filing ↗ |