// company-profile
Diodes Inc /del/
DIODExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings139Insiders18
// api This Diodes Inc /del/ insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Recent insider activity is bearish. Over the last 30 days, insiders net sold $4.8M across 12 transactions.
// 90-day insight
Over the last 90 days, Diodes Inc /del/ insiders bought $0 (6 transactions) and sold $7.9M (18 transactions).
- Most active insider: Tang Francis with 4 transactions totaling $3.1M.
- Largest single sale: $1.7M by Tang Francis on May 29, 2026.
Activity skews bearish — sales outpace buys.
Institutional Ownership
Top 13F-HR holders of Diodes Inc /del/ as of 2026-03-31
Total reported AUM
$2.75B
QoQ change
+53.9%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$341.3M
5.0M shares
#2
FMR LLC
CIK 315066
$245.1M
3.6M shares
#3
DIMENSIONAL FUND ADVISORS LP
CIK 354204
$160.7M
2.4M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 29, 2026 | Tang Francis | DIOD | Sale | 15,330 | $112.04 | $1.72M |
| May 29, 2026 | White Richard Dallas | DIOD | Sale | 2,000 | $107.01 | $214K |
| May 29, 2026 | White Richard Dallas | DIOD | Sale | 1,000 | $104.48 | $104K |
| May 27, 2026 | Tang Francis | DIOD | Sale | 5,000 | $110.08 | $550K |
| May 27, 2026 | Yu Gary | DIOD | Sale | 3,632 | $110.08 | $400K |
45 more transactions hidden
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