David Y. Gan sold $1.5M of ACM
CHIEF LEGAL OFFICER at AECOM. 15,502 shares at an average of $97.72, traded Dec 15, 2025, filed Dec 17, 2025.
Score components
- +15RoleOfficer
- +25Trade size$1.5M at market
- +10Share of holdings soldSold 27% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +1.9%, 3m -6.5%, 6m -27.7%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001805823-25-000005, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 15, 2025 | MOption exercise Common Stock10b5-1 | +5,976 | $0.00 | $0 | 46,991 | Dec 17, 2025 |
| Dec 15, 2025 | AGrant or award Common Stock10b5-1 | +6,534 | $0.00 | $0 | 53,525 | Dec 17, 2025 |
| Dec 15, 2025 | AGrant or award Common Stock10b5-1 | +14,056 | $0.00 | $0 | 67,581 | Dec 17, 2025 |
| Dec 15, 2025 | FTax withholding Common Stock10b5-1 | -10,530 | $97.96 | $1.0M | 57,051 | Dec 17, 2025 |
| Dec 15, 2025 | SOpen-market sale Common Stock10b5-1 | -6,000 | $98.85 | $593k | 51,051 | Dec 17, 2025 |
| Dec 17, 2025 | SOpen-market sale Common Stock10b5-1 | -9,502 | $97.01 | $922k | 41,549 | Dec 17, 2025 |
| Dec 15, 2025 | MOption exercise Restricted Stock Unitsderivative10b5-1 | -5,976 | - | - | 0 | Dec 17, 2025 |
Related signals
Other insiders at AECOM and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 52Moderate | ACMbuy AECOM | Lara Poloni PRESIDENT | $298k 4,224 shares | +3% | |
| 65Notable | AECOM | Troy Rudd CHIEF EXECUTIVE OFFICER | $300k 4,225 shares | +3% | |
| 58Moderate | AECOM | Gaurav Kapoor CHIEF FINANCIAL OFFICER (PAO) | $101k 1,420 shares | +2% | |
| 23Weak | AECOM | Lara Poloni PRESIDENT | $1.7M 17,533 shares | -11% | |
| 35Weak | AECOM | Troy Rudd CHIEF EXECUTIVE OFFICER | $6.3M 53,097 shares | -100% | |
| 15Weak | AECOM | David Y. Gan CHIEF LEGAL OFFICER | $2.3M 20,898 shares | -34% | |
| 47Moderate | AECOM | Gaurav Kapoor CHIEF FINANCIAL OFFICER (PAO) | $4.9M 42,400 shares | -58% | |
| 40Moderate | AECOM | Troy Rudd CHIEF EXECUTIVE OFFICER | $10M 100,000 shares | -36% | |
| 20Weak | AECOM | Troy Rudd CHIEF EXECUTIVE OFFICER | $3.3M 34,710 shares | -11% | |
| 40Moderate | ACMsell AECOM | Douglas Stotlar director | $671k 7,179 shares | -17% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.