Aecom (ACM) Insider Trading
Over the last 3 months, ACM insiders made 3 open-market buys and 0 sales, a net purchase of $699K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 461 institutions increased and 459 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
3
Sells (3m)
0
Net (3m)
$699.4K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Nov
Dec
Aug
Dec
May
Jun
Context3-month price -20.9%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 16, 2026 | Poloni Laraofficer: PRESIDENT | Buy | 4,224 | $70.63 |
| May 14, 2026 | Rudd Troydirector, officer: CHIEF EXECUTIVE OFFICER | Buy | 4,225 | $71.02 |
| May 14, 2026 | Kapoor Gauravofficer: CHIEF FINANCIAL OFFICER (PAO) | Buy | 1,420 | $71.12 |
| Mar 5, 2026 | KERR DEREK Jdirector | Grant | 2,002 | — |
| Mar 5, 2026 | Wolfenbarger Janet Caroldirector | Grant | 2,002 | — |
| Mar 5, 2026 | van 't Noordende Alexander Mdirector | Grant | 2,002 | — |
| Mar 5, 2026 | Buss Brad Wdirector | Grant | 2,002 | — |
| Mar 5, 2026 | Pipes Kristydirector | Grant | 2,002 | — |
| Mar 5, 2026 | Tishman Daniel R.director | Grant | 2,002 | — |
| Mar 5, 2026 | Stotlar Douglasdirector | Grant | 2,236 | — |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Sell | 17,340 | $97.01 |
| Dec 17, 2025 | Rudd Troydirector, officer: CHIEF EXECUTIVE OFFICER | Grant | 86,581 | — |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Grant | 16,334 | — |
| Dec 17, 2025 | Kapoor Gauravofficer: CHIEF FINANCIAL OFFICER (PAO) | Grant | 15,109 | — |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Sell | 9,502 | $97.01 |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Sell | 193 | $98.35 |
| Dec 17, 2025 | Kapoor Gauravofficer: CHIEF FINANCIAL OFFICER (PAO) | Option | 9,562 | — |
| Dec 17, 2025 | Kapoor Gauravofficer: CHIEF FINANCIAL OFFICER (PAO) | Grant | 22,490 | — |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Tax | 13,425 | $97.96 |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Grant | 14,056 | — |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Option | 10,040 | — |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Sell | 6,000 | $98.85 |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Grant | 6,534 | — |
| Dec 17, 2025 | Poloni Laraofficer: PRESIDENT | Grant | 23,615 | — |
| Dec 17, 2025 | Rudd Troydirector, officer: CHIEF EXECUTIVE OFFICER | Option | 36,812 | — |
| Dec 17, 2025 | Kapoor Gauravofficer: CHIEF FINANCIAL OFFICER (PAO) | Tax | 16,940 | $97.96 |
| Dec 17, 2025 | Rudd Troydirector, officer: CHIEF EXECUTIVE OFFICER | Grant | 49,000 | — |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Option | 5,976 | — |
| Dec 17, 2025 | Gan David Y.officer: CHIEF LEGAL OFFICER | Tax | 10,530 | $97.96 |
| Dec 17, 2025 | Rudd Troydirector, officer: CHIEF EXECUTIVE OFFICER | Tax | 48,556 | $97.96 |
Source: ACM SEC Form 4 filings, latest Jun 16, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ACM positions over the last 6 months (SEC Form 13F).
Increased
461
New positions
174
Reduced
459
Sold out
215
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 15.8M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 15.2M | Feb 12, 2026 |
| VANGUARD GROUP INC | Reduced | 12.3M | Jan 29, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Reduced | 8.7M | Feb 11, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Reduced | 8.6M | May 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 5.8M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5.5M | May 8, 2026 |
| STATE STREET CORP | Reduced | 5.0M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 5.0M | May 15, 2026 |
| INVESCO LTD. | Reduced | 4.3M | Feb 19, 2026 |
| FIRST TRUST ADVISORS LP | Reduced | 4.1M | Feb 13, 2026 |
| INVESCO LTD. | Reduced | 3.6M | May 12, 2026 |
| UBS ASSET MANAGEMENT AMERICAS INC | Increased | 3.5M | May 13, 2026 |
| FIRST TRUST ADVISORS LP | Reduced | 3.0M | May 13, 2026 |
| PICTET ASSET MANAGEMENT HOLDING SA | Reduced | 2.9M | Jan 29, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.