ACM Insider Buying & Government Contracts (2026)

ACM insider buying and selling over the past year

Insiders at AECOM only sold stock in the open market over the past year: 2 Form 4 sales totaling $3.22M, against no open-market purchases.

Most of the selling was pre-scheduled: 2 of the 2 sales (100.0%) were flagged as Rule 10b5-1 plan trades, which are set up in advance and say less about an insider's current view than discretionary sales. Activity clustered in 2025-12 (2 trades); the latest filing in this window is dated 2025-12-17. The average open-market sale price was $97.35; the last close of $58.94 is 39.5% below that level, so sellers exited above the current price. The single largest trade was a sale of 17,533 shares worth $1.70M on 2025-12-17. Since the most recent filing the stock has moved -39.0%, from $96.69.

Where ACM trades relative to its one-year range

AECOM closed at $58.94 on 2026-10-16, inside a one-year range of $58.28 to $134.35. That puts the stock near the bottom of its range, at 0.9% of the distance from low to high. Over one year the share price moved -55.0%, and over roughly three months -13.7%. Average daily volume over the last month was about 1,596,809 shares.

Across 17 companies in the same SEC industry group (SIC 87) with a full year of prices in Gemral Edge, the median one-year return was +3.3%. ACM is behind that median and beat 0% of that peer group on this measure.

Members of Congress who traded ACM

STOCK Act disclosures show 1 trades in ACM by 1 members of Congress over five years (0 purchases, 1 sales), most recently on 2026-03-27. The most active traders were Alan Armstrong (R-OK), 1 trade.

By party the trades split 1 by Republicans; by chamber, 1 from the Senate.

AECOM federal contract exposure

Federal procurement records resolve 6 prime award actions to AECOM, worth $21.54M across 4 agencies. Environmental Protection Agency accounts for 49.5% of that value ($10.66M), so revenue from this channel is spread across several buyers.

ACM lobbying disclosures

AECOM appears in 8 Lobbying Disclosure Act filings between 2018 and 2018, with $920.0K in reported lobbying spend.

Compare ACM with indexed peers from the same industry group

These peers have full Gemral Edge dossiers and the closest one-year price move to ACM:

• BAH one-year return -23.7%
• IT one-year return -13.1%
• PAYX one-year return -11.7%
• ICFI one-year return +3.3%
• TTEK one-year return +5.9%

Sources and method

Every figure above is computed from public filings stored in Gemral Edge, not estimated. Insider figures count only open-market purchases and sales reported on SEC Form 4; option exercises, grants and gifts are excluded because they do not reflect a decision to buy or sell at market prices.

• SEC EDGAR Form 4 (edge_insider_trades, codes P/S open-market only) — as of 2025-12-17
• edge_prices_eod (end-of-day close) — as of 2026-10-16
• House PTR / Senate eFD disclosures (edge_congress_trades) — as of 2026-03-27
• FPDS / USAspending (edge_contracts, tier-1 resolved) — as of 2026-10-14
• Senate LDA filings (edge_lobbying_filings)

ACM data questions

Are ACM insiders buying or selling stock?

Insiders at AECOM only sold stock in the open market over the past year: 2 Form 4 sales totaling $3.22M, against no open-market purchases.

What is the one-year price range for ACM?

Based on end-of-day closes through 2026-10-16, ACM traded between $58.28 and $134.35, last closing at $58.94.

Has any member of Congress traded ACM stock?

Yes. 1 members disclosed 1 trades in ACM over five years; the most recent disclosed trade date is 2026-03-27.