Aecom (ACM) has 20 known insider and institutional holders on record. The largest holder is Rudd Troy with 259,756 shares. Other notable holders include NEWMAN RICHARD G and Dionisio John M.
Over the last 12 months, insiders have made 16 transactions in ACM stock — 7 buys (valued at RSU Award) and 2 sells (valued at $940.77K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ACM Insider Ownership
Top Holder
Rudd Troy
259,756 shares
Buys (12 mo)
7
$0.00 value
Sells (12 mo)
2
$940.77K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Rudd Troy |
Chief Executive Officer |
259,756 |
2025-12-23 |
|
| 2 |
Newman Richard G |
Director |
181,427 |
2014-12-01 |
|
| 3 |
Dionisio John M |
Director |
174,188 |
2016-04-01 |
|
| 4 |
Poloni Lara |
President |
149,222 |
2025-12-17 |
|
| 5 |
Werner Frederick W |
Pres, Design & Conslt Services |
65,101 |
2017-01-05 |
|
| 6 |
Kadenacy Stephen M |
President |
56,609 |
2016-12-19 |
|
| 7 |
Gan David Y. |
Chief Legal Officer |
41,549 |
2025-12-17 |
|
| 8 |
Burke Michael S |
Officer |
41,222 |
2020-11-13 |
|
| 9 |
Wolfenbarger Janet Carol |
Director |
38,822 |
2026-03-05 |
|
| 10 |
Stotlar Douglas |
Director |
38,804 |
2026-03-05 |
|
| 11 |
Chiao Chuan-sheng |
President, Asia Pacific |
38,214 |
2020-08-24 |
|
| 12 |
Rutledge William P |
Director |
32,404 |
2015-12-15 |
|
| 13 |
Kapoor Gaurav |
Chief Financial Officer (pao) |
31,228 |
2024-11-07 |
|
| 14 |
Buss Brad W |
Director |
28,513 |
2026-03-05 |
|
| 15 |
Osborne Ronald E |
SVP, Controller |
24,433 |
2016-12-19 |
|
| 16 |
Tishman Daniel R. |
Director |
23,677 |
2026-03-05 |
|
| 17 |
Wotring Randall A |
Chief Operating Officer |
17,380 |
2018-12-18 |
|
| 18 |
Battley Todd |
Chief Strategy Officer |
16,295 |
2023-01-09 |
|
| 19 |
Nash George |
Pres, Energy, Infr & Ind Const |
16,045 |
2014-11-21 |
|
| 20 |
Van 't Noordende Alexander M |
Director |
12,423 |
2026-03-05 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-03 |
Pipes Kristy |
Director |
RSU Award |
2,002 |
- |
- |
| 2026-03-03 |
Wolfenbarger Janet Carol |
Director |
RSU Award |
2,002 |
- |
- |
| 2026-03-03 |
Tishman Daniel R. |
Director |
RSU Award |
2,002 |
- |
- |
| 2026-03-03 |
Van 't Noordende Alexander M |
Director |
RSU Award |
2,002 |
- |
- |
| 2026-03-03 |
Buss Brad W |
Director |
RSU Award |
2,002 |
- |
- |
| 2026-03-03 |
Stotlar Douglas |
Director |
RSU Award |
2,236 |
- |
- |
| 2026-03-03 |
Kerr Derek J |
Director |
RSU Award |
2,002 |
- |
- |
| 2025-12-23 |
Rudd Troy |
Chief Executive Officer |
Gift (Given) |
600 |
- |
- |
| 2025-12-17 |
Gan David Y. |
Chief Legal Officer |
Informative Sell |
9,502 |
$97.01 |
$921.79K |
| 2025-12-15 |
Gan David Y. |
Chief Legal Officer |
Option Exercise (Sell) |
5,976 |
- |
- |
| 2025-12-17 |
Poloni Lara |
President |
Informative Sell |
193 |
$98.35 |
$18.98K |
| 2025-12-15 |
Poloni Lara |
President |
Option Exercise (Sell) |
10,040 |
- |
- |
| 2025-12-15 |
Kapoor Gaurav |
Chief Financial Officer (pao) |
Option Exercise (Sell) |
9,562 |
- |
- |
| 2025-12-15 |
Rudd Troy |
Chief Executive Officer |
Option Exercise (Sell) |
36,812 |
- |
- |
| 2025-09-05 |
Tishman Daniel R. |
Director |
Gift (Given) |
27,935 |
- |
- |
| 2025-08-15 |
Rudd Troy |
Chief Executive Officer |
Option Exercise (Sell) |
53,097 |
$38.72 |
$2.06M |
