Advanced Drainage Systems Inc (WMS): Congress and insider trades
Who in Congress and inside the company traded WMS, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Advanced Drainage Systems Inc (WMS) is a listed stock on NYSE.
- 2 members of Congress filed 3 buys and 3 sells of WMS, the latest published 2026-08-05 (5 August 2026).
- Across 2 scored buys, Congress averaged +14.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in WMS
as of 2026-08-05| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 5 Aug 2026 | Tommy Tuberville (R-AL) | sell | 1K–15K | 820 | n/a |
| 16 Nov 2023 | Tommy Tuberville (R-AL) | buy | 1K–15K | 30 | +25.5% |
| 9 Feb 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 29 | n/a |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 33 | +3.2% |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 34 | +3.2% |
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Frequently asked questions
Who has bought WMS?
3 Congress buys by 2 members and 0 insider buys are on file. The tables on this page list every one.
Did buying WMS after a disclosure beat the market?
Across 2 scored buys, Congress averaged +14.3% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.