DIOD DIODES INC /DEL/ Insider Trading

DIOD CTO Francis Tang sold 15,330 shares at $112.04 on 2026-05-29, totaling $1.7M; retains 71,438 shares post-sale.

Francis Tang, Chief Technology Officer of DIODES INC /DEL/ (DIOD), sold 15,330 shares at $112.04 on 2026-05-29 for a total of $1,717,620.72, reducing his holdings by -17.7% vs pre-transaction holdings from 86,768 to 71,438 shares. The sale was executed near the 52-week high of $117.80, with the stock now trading at $102.90 — down -12.6% from that 52-week high and -4.9% over the last 30 days, meaning the transaction price of $112.04 is above the current market price. The stock has nonetheless rallied +54.1% over the past 90 days, reflecting a strong medium-term run that preceded this sale. DIOD's fundamentals show quarterly revenue of $405,467,000.00 and annual revenue growth of +13.0%, though a P/E of 55.32 on net income of $14,961,000.00 suggests the stock carries a growth premium that investors should weigh against the insider's decision to reduce his position.

DIOD CTO Francis Tang sells 9,137 shares for $997,196.00 across 2 trades; retains 86,768 shares

Francis Tang, Chief Technology Officer of DIODES INC /DEL/, executed two separate sales on 2026-05-26 and 2026-05-27, selling 4,137 shares at $108.00 and 5,000 shares at $110.08 for a combined $997,196.00 at a blended average price of $109.14. The sales represent a 9.5% reduction of his pre-transaction holdings of 95,905 shares, leaving him with 86,768 shares post-transaction. The timing of these sales occurs within a context of strong recent price momentum: the stock is up 7.8% over 30 days and 56.7% over 90 days, trading at $109.13 (current price) near the upper end of the 52-week range of $42.28–$117.80. The company maintains a elevated P/E of 58.67 against modest net income of $14,961,000.00 on revenue of $405,467,000.00, with solid annual revenue growth of 13.0%, indicating the stock trades on growth expectations rather than current earnings power.

CFO Brett Whitmire sells ~27% of Diodes stake for $1.71M, first open-market sale at this company.

CFO Brett Whitmire sold a substantial block of Diodes shares—roughly 27% of his holdings—in his first open-market sale at the company. The sale comes after the stock has rallied sharply over the past three months, climbing well into positive territory from deeply depressed levels, though it now trades below its 52-week high. Diodes remains a profitable, growing company with solid fundamentals, but Whitmire's track record shows a consistent pattern of selling: nine open-market sales across his various holdings in the past three years, with no offsetting purchases. This sale alone does not reveal whether Whitmire is harvesting gains, rebalancing a concentrated position, or managing personal liquidity needs—the data shows only the action, not the motivation. However, the scale of the disposition and his pattern of exclusively selling activity warrant attention from shareholders monitoring executive confidence levels.

Director Lu Keh Shew sells 111,000 DIOD shares for $7.5M; pattern aligns with 5 prior well-timed sells at this ticker

Director Lu Keh Shew executed 2 separate sales totaling 111,000 shares (111.0K shares) for $7,521,102.23 ($7.5M) on 2026-02-20 at a blended average price of $67.76, reducing his holdings from 291,131 shares to 180,131 shares (-38.1%). His 5 prior sales at DIOD between 2024-05-17 and 2024-08-19 were all well-timed at the 90-day mark, with negative 90-day returns ranging from -9.0% to -21.2%, suggesting a pattern of selling before price declines at this particular ticker. The current stock price of $69.29 is -11.2% from the 52-week high of $78.00, and the stock has gained 22.7% over the past 30 days and 50.3% over 90 days, consistent with the recent uptrend that preceded this sale. The magnitude of this sale (38.1% of prior holdings) combined with the historical accuracy of this director's prior exits at DIOD merits investor attention to the fundamental and technical backdrop that may inform this decision.

CEO LU KEH SHEW sold 20,010 shares of DIOD at blended $67.25 for $1.3M on 2024-08-19; stock down -19.6% from 52-week high.

CEO LU KEH SHEW executed 2 separate sales totaling 20,010 shares for $1,345,715.95, reducing his stake by 7.5% to 246,492 shares post-transaction. The sales occurred at $67.20 and $67.31 on 2024-08-19, at a blended average price of $67.25, against a current price of $69.00 and a 52-week high of $85.82. Notably, DIOD has declined -19.6% from its 52-week high and -17.2% over the past 30 days, suggesting material recent weakness. The CEO's prior 5 trades at DIOD were uniformly well-timed at the 90-day mark (5 of 5 showing negative 90-day returns), indicating a consistent pattern of selling ahead of stock declines at this ticker. Against a backdrop of fundamental pressure—annual revenue declined -16.9% year-over-year, net income of $8.0M is thin on $319.8M quarterly revenue, and the P/E of 33.33 signals elevated valuation despite weak organic growth—the sale's timing relative to recent price action and the CEO's track record at this specific ticker warrants investor attention.