Diodes Inc (DIOD): Congress and insider trades
Who in Congress and inside the company traded DIOD, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Diodes Inc (DIOD) is a listed stock on NASDAQ.
- 2 members of Congress filed 1 buy and 2 sells of DIOD, the latest published 2023-11-16 (16 November 2023).
- Insiders filed 0 open market buys worth $0 and 10 sells worth $4.7M, the latest filed 2026-06-01 (1 June 2026).
- Across 1 scored buy, Congress averaged -18.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in DIOD
as of 2023-11-16| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 16 Nov 2023 | Tommy Tuberville (R-AL) | sell | 1Kâ15K | 31 | n/a |
| 12 May 2023 | Tommy Tuberville (R-AL) | buy | 1Kâ15K | 39 | -18.7% |
| 1 May 2023 | Tom Carper (D-DE) | sell | 1Kâ15K | 14 | n/a |
Nothing matches that search.
Insider trades in DIOD
as of 2026-06-01| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 1 Jun 2026 | Tang Francis | sell | 15,330 | $112.04 | $1.7M | n/a |
| 1 Jun 2026 | White Richard Dallas | sell | 3,000 | $106.17 | $319K | n/a |
| 27 May 2026 | Yang Emily | sell | 2,000 | $107.52 | $215K | n/a |
| 27 May 2026 | Tang Francis | sell | 4,137 | $108.00 | $447K | n/a |
| 27 May 2026 | Yu Gary | sell | 3,632 | $110.08 | $400K | n/a |
| 27 May 2026 | Tsong Andy | sell | 1,582 | $106.95 | $169K | n/a |
| 27 May 2026 | Zhao Jin | sell | 3,689 | $106.86 | $394K | n/a |
| 27 May 2026 | Yang Emily | sell | 3,000 | $110.08 | $330K | n/a |
| 27 May 2026 | Tang Francis | sell | 5,000 | $110.08 | $550K | n/a |
| 21 May 2026 | Yang Emily | sell | 2,000 | $96.81 | $194K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought DIOD?
1 Congress buy by 2 members and 0 insider buys are on file. The tables on this page list every one.
Did buying DIOD after a disclosure beat the market?
Across 1 scored buy, Congress averaged -18.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 0% of them ahead of the index. That result is too few trades to tell. 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.