Every Form 4 that Diodes Inc (DIOD) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow DIOD and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full DIOD filings page.
Yu Evan reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated director Evan Yu received an equity grant. On 2026-08-12, Yu was awarded 2,250 shares of Diodes Incorporated Common Stock in the form of restricted stock units. The grant was made at no cash cost to him and was granted under a Rule 16b-3 Plan.
The restricted stock units vest in four equal installments beginning 05/26/2027, so the shares are subject to time-based vesting conditions. After this award, Yu holds a total of 14,250 shares of Diodes Incorporated Common Stock in direct ownership.
Diodes Incorporated Chief Technology Officer Francis Tang reported an open-market sale of 15,330 shares of Diodes Incorporated Common Stock at a weighted average price of $112.0431 per share. After this transaction, he directly holds 71,438 shares. The sale was executed in multiple trades between $111.00 and $114.00 per share.
Diodes Incorporated corporate secretary Richard Dallas White reported selling a total of 3,000 shares of Diodes Incorporated Common Stock in open-market transactions on May 29, 2026. He sold 2,000 shares at $107.0101 per share and 1,000 shares at $104.48 per share, leaving 10,071 shares held directly after these sales. A separate holding entry shows 34,304 shares owned indirectly through BRW MGMT TRUST, indicating additional indirect ownership that was not part of the reported sales.
Diodes Incorporated special advisor Keh Shew Lu reported routine equity compensation activity. On May 26, 2026, 1,970 shares of Diodes common stock were withheld at $108.24 per share to cover income tax on vested restricted stock units, leaving 90,305 direct shares owned. The filing also lists indirect holdings through entities including 180,131 shares held by Texastac Investments, LP, 4,700 shares held by The Lu 2017 Irrevocable Trust, 6,000 shares held by The Lu Family Foundation, and 225,152 shares held by the Lu Grandchildren's Trust.
Diodes Incorporated President, Diodes Asia Jin Zhao reported an open-market sale of company stock. Zhao sold 3,689 shares of Diodes Incorporated Common Stock in an open-market transaction at a weighted average price of $106.8606 per share. The sale was executed in multiple trades at prices ranging from $106.8504 to $106.95. After this transaction, Zhao directly holds 43,531 shares of Diodes common stock.
Diodes Incorporated senior vice president Andy Tsong reported an open-market sale of 1,582 shares of Diodes Incorporated Common Stock at $106.955 per share. After this transaction, he directly owns 48,170 shares, so the sale represents a relatively small portion of his holdings.
Diodes Incorporated senior vice president Emily Yang reported open-market sales of 5,000 common shares. She sold 2,000 shares at about $107.52 on May 26 and 3,000 shares at about $110.08 on May 27. After these sales, she holds 61,878 shares directly, plus 1,576 shares held custodially and 584 shares held through the Oner Family Revocable Trust.
Diodes Incorporated Chief Technology Officer Francis Tang sold a total of 9,137 shares of Diodes Incorporated Common Stock in open-market transactions. He sold 4,137 shares at $108.00 per share on May 26, 2026 and 5,000 shares at $110.08 per share on May 27, 2026, leaving him with 86,768 directly owned shares.
Diodes Incorporated President and CEO Gary Yu reported an open-market sale of Diodes Incorporated Common Stock along with a separate tax-related share withholding tied to vested restricted stock units.
On May 27, 2026, Yu sold 3,632 shares in an open-market transaction at $110.08 per share. One day earlier, on May 26, 2026, 592 shares were automatically withheld to cover income tax on vested restricted stock units, a non-market tax-withholding disposition. After these transactions, Yu directly holds 108,147 shares of Diodes Incorporated Common Stock.
Diodes Incorporated President and CEO Gary Yu reported a bona fide gift of 300 shares of Diodes Incorporated Common Stock. The shares were transferred at no stated price per share. Following this gift, he directly holds 112,371 shares, showing he retains a substantial equity position in the company.
Diodes Incorporated senior vice president Emily Yang reported an open-market sale of common stock. She sold 2,000 Diodes Incorporated Common Stock shares at $96.81 per share. After this sale, she directly holds 66,878 common shares. She also reports indirect holdings of 1,576 shares held in a custodial account and 584 shares held through the Oner Family Revocable Trust.
Diodes Incorporated SVP Worldwide Sales/Marketing Emily Yang reported an open-market sale of 2,000 shares of Diodes common stock at $101.465 per share. Following this transaction, she directly holds 68,878 shares. Indirect holdings include 1,576 shares in custodial accounts for her children and 584 shares held by the Oner Family Revocable Trust, as disclosed in the filing footnotes.
Diodes Incorporated executive Jin Zhao, President of Diodes Asia, reported an open-market sale of 2,760 shares of common stock at a weighted average price of $102.3609 per share, in transactions between $102.11 and $102.39. After the sale, Zhao directly holds 47,220 common shares.
The filing also notes 32,100 performance stock units classified as beneficially owned, and explains that Zhao’s beneficial ownership in these awards decreased by 9,000 units because a 2023 PSU award had no settlement of shares.
Diodes Incorporated senior vice president Andy Tsong reported an open-market sale of company stock. He sold 2,652 shares of Diodes Incorporated common stock at $110.00 per share. After this sale, he directly owned 49,752 shares of common stock.
The filing also shows a separate holding of 32,100 Diodes Incorporated common stock performance stock units, indicating an additional equity-based incentive position alongside his direct share ownership.
Diodes Incorporated Chief Technology Officer Francis Tang reported two updates to his equity holdings. First, his beneficial ownership of Diodes performance stock units fell by 9,000 because the 2023 PSU award had no settlement of shares, leaving 28,200 units recorded as directly held.
He also completed an open-market sale of 3,643 shares of Diodes common stock at $108.00 per share. After this sale, Tang directly holds 95,905 shares of Diodes common stock, so the transaction represents only a portion of his overall position.
Diodes Incorporated CFO Brett R. Whitmire reported an open-market sale of Diodes common stock. He sold 16,556 shares of common stock on May 13, 2026 at a weighted average price of $103.3405 per share in multiple transactions between $102.40 and $104.24.
After this sale, Whitmire directly holds 44,632 shares of Diodes common stock and 36,100 performance stock units, showing he maintains a meaningful equity stake in the company despite the net reduction in his holdings.
Chen Button Angie reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated director Angie Chen Button received an equity award of 6,000 shares of common stock in the form of restricted stock units. The award was granted at no cash cost per share and is part of a compensation plan under Rule 16b-3.
The restricted stock units will vest in four equal installments beginning on May 26, 2027, meaning the shares are delivered over time as service continues. Following this grant, Chen Button directly holds a total of 20,040 shares of Diodes Incorporated common stock.
Bull Elizabeth reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated director Elizabeth Bull received a grant of 3,000 shares of Diodes Incorporated Common Stock as restricted stock units at no purchase price. These units vest in four equal installments beginning on May 26, 2027. After this award, she directly holds 12,000 shares.
Chen Warren reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated director Warren Chen received a grant of 3,000 shares of Diodes Incorporated Common Stock on May 11, 2026 as a compensation-related award. The shares are in the form of restricted stock units that vest in four equal installments beginning May 26, 2027. Following this grant, Chen holds 13,140 shares directly.
Su Huey-Jen Jenny reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated director Su Huey-Jen Jenny received an equity grant of 3,000 shares of Diodes common stock as a compensation award. The award is in the form of restricted stock units that vest in four equal installments beginning on May 26, 2027, and was granted under a Rule 16b-3 plan. Following this grant, she directly holds a total of 6,000 shares, highlighting a routine, non-cash increase in her equity stake rather than an open-market purchase.
Yu Gary reported acquisition or exercise transactions in this Form 4 filing.
Diodes Incorporated President and CEO Gary Yu reported a compensation-related equity grant. He received 3,000 shares of common stock at a price of $0.00 per share, classified as a grant or award rather than an open-market purchase. Following this grant, he directly owns 112,671 shares of Diodes common stock.
The filing also shows a holding of 76,000 Diodes common stock performance stock units. Related restricted stock units are scheduled to vest in four equal installments beginning on May 26, 2027, and the grant was made under a Rule 16b-3 plan, indicating a structured compensation program approved under SEC rules.
Diodes Incorporated director Philip J. Ritter received an equity grant of 3,000 shares of common stock in the form of restricted stock units. The award was granted at no cash cost to him and is classified as a grant, award, or other acquisition rather than an open-market purchase.
The restricted stock units vest in four equal installments beginning on May 26, 2027, meaning the ownership of the underlying shares is earned over time. Following this grant, Ritter directly holds 3,000 shares, reflecting a routine compensation-related equity award to a board member.
Diodes Incorporated senior executive Emily Yang reported an open-market sale of company stock. As SVP of Worldwide Sales and Marketing, she sold 2,154 shares of Diodes Incorporated common stock at an average price of $69.8935 per share.
After this transaction, Yang directly holds 70,878 shares of common stock. She also has 32,100 performance stock units and indirect holdings of 584 shares through the Oner Family Revocable Trust and 1,576 shares in custodial accounts.
Diodes Incorporated President and CEO Gary Yu reported an open-market sale of 2,000 shares of Diodes Incorporated common stock at $70.00 per share on February 24, 2026. After this sale, he directly owned 109,671 common shares.
Yu also reported holdings of 76,000 performance stock units (PSUs). A footnote states that his beneficially owned amount decreased by 13,000 shares because the 2023 PSU Award had no settlement of shares, reflecting an adjustment to reported PSU-based ownership rather than a market transaction.
Diodes Incorporated director Lu Keh Shew reported significant insider sales through affiliated entities. On 2026-02-20, Lu Grandchildren's Trust sold 46,734 Diodes common shares at a weighted average price of $67.7846, and Texastac Investments, LP sold 64,266 shares at a weighted average price of $67.7381.
Footnotes state these were multiple open-market trades in a price range from $65.53 to $68.995. After these transactions, Lu Grandchildren's Trust held 225,152 shares and Texastac Investments, LP held 180,131 shares. Separately, Lu Keh Shew reported direct ownership of 92,275 common shares and 50,000 performance stock units, plus smaller indirect holdings of 6,000 shares in The Lu Family Foundation and 4,700 shares in The Lu 2017 Irrevocable Trust.
Diodes Incorporated’s CFO Brett R. Whitmire reported an open‑market sale of 5,953 common shares at a weighted average price of $71.221 per share on February 13, 2026. After the transaction, he directly held 61,188 common shares and 36,100 performance stock units.
The sale was executed through multiple trades at prices ranging from $70.83 to $71.655. A separate adjustment reduced his reported beneficial ownership of performance stock units by 9,000 units because a 2023 PSU award had no settlement of shares.
Diodes Incorporated senior vice president Emily Yang reported an open‑market sale of 1,000 shares of common stock on February 13, 2026 at a weighted average price of $71.8913 per share. After this sale, she directly owned 73,032 common shares, plus 32,100 performance stock units. She also reported indirect holdings of 584 shares through the Oner Family Revocable Trust and 1,576 shares in custodial form. A footnote explains that her beneficially owned amount was reduced by 9,000 shares because a 2023 performance stock unit award had no settlement of shares.
Diodes Incorporated senior executive Andy Tsong reported an open-market sale of company stock. On 02/13/2026, he sold 3,277 shares of Diodes Incorporated common stock at a weighted average price of $70.4584 per share, in multiple trades between $69.385 and $71.07.
After this sale, Tsong directly beneficially owns 52,404 shares of Diodes common stock. He also holds 32,100 performance stock units, with the beneficially owned amount reduced by 9,000 units because the 2023 PSU Award had no settlement of shares.
Diodes Incorporated officer Zhao Jin, President of Diodes Asia, reported new equity awards and related share movements. Jin received 18,000 restricted stock units on 02/01/2026, which vest in four equal installments starting 02/01/2027, and 18,000 performance stock units tied to cumulative non-GAAP operating income of $243.495 million for 2026–2028, vesting in February 2029 if targets are met.
On 02/02/2026, 1,846 shares of common stock were automatically withheld at $60.66 per share to cover taxes on vesting units, and 525 shares were automatically sold at $59.19 per share due to a scheduled deferred compensation distribution. After these transactions, Jin directly held 49,980 common shares and 41,100 performance stock units.
Diodes Incorporated President and CEO Gary Yu reported multiple equity compensation and related share transactions. He received 32,000 restricted stock units that vest in four equal installments beginning 02/01/2027, and 32,000 performance stock units (PSUs) granted at no cash cost.
The PSUs can vest in February 2029 based on a three-year cumulative non-GAAP operating income target of $243.495 million for 2026–2028, with payout ranging from 0% to 200% of the target award depending on performance. Yu also had 1,340 shares withheld to cover taxes on vesting and 2,900 shares sold under a deferred compensation election.
After these transactions, Yu directly holds 111,671 shares of Diodes common stock and 89,000 PSUs.
Diodes Incorporated senior vice president Emily Yang reported a mix of equity grants and small share transactions. On February 1, 2026, she received 18,000 restricted stock units, vesting in four equal installments beginning February 1, 2027, and 18,000 performance stock units that each can convert into one common share. The PSUs vest in February 2029 if a three-year cumulative non-GAAP operating income target of $243.495 million for 2026–2028 is met, with payout ranging from 0% to 200% of the target award based on 80%–120% achievement. The filing also shows 2,497 shares of common stock withheld on February 2, 2026 to cover income tax on vesting, and a sale of 950 shares on February 3, 2026 at $60.85 per share under a deferred compensation election. After these transactions, Yang directly holds 74,032 common shares and 41,100 performance stock units, plus indirect holdings of 584 shares in the Oner Family Revocable Trust and 1,576 custodial shares.
Diodes Incorporated CFO Brett Whitmire reported new equity awards and related share movements. On February 1, 2026, he received 22,000 restricted stock units that vest in four equal installments beginning February 1, 2027, plus 22,000 performance stock units tied to future financial targets.
The performance stock units can convert into Diodes common stock in February 2029 based on cumulative non-GAAP operating income of $243.495 million for 2026–2028, with payouts ranging from 50% to 200% of the target award. Subsequent entries show 2,806 shares withheld at $60.66 per share for taxes and a sale of 830 shares at $60.85 per share tied to participation in a deferred compensation plan, leaving him with 67,141 common shares held directly.
Diodes Incorporated Chief Technology Officer Francis Tang reported new equity awards and a tax-related share withholding. On 02/01/2026, he received 13,000 shares of Diodes Incorporated common stock as restricted stock units at $0 per share, bringing his direct holdings to 101,616 shares. These restricted stock units vest in four equal installments beginning 02/01/2027.
On the same date, he was granted 13,000 performance stock units under the company’s 2022 Equity Incentive Plan, increasing his performance stock unit holdings to 37,200. Each performance stock unit represents a contingent right to receive one share of common stock and vests in February 2029 if a three-year cumulative non-GAAP operating income target of $243.495 million for 2026–2028 is met. The plan pays 50% of the target award at 80% of the target, up to 200% at 120% of the target, on a pro rata basis within that range.
On 02/02/2026, 2,068 vested restricted stock unit shares of common stock were automatically withheld at $60.66 per share to cover income tax, leaving Tang with 99,548 directly held common shares.
Diodes Incorporated director Keh-Shew Lu reported an automatic tax-related share withholding tied to equity compensation. On 02/02/2026, 12,350 shares of Diodes common stock were withheld at $60.66 per share as vested restricted stock unit shares were used to cover income tax.
After this transaction, Lu directly owned 92,275 Diodes common shares and held 92,000 performance stock units. Additional indirect interests include shares held through entities such as Texastac Investments, LP and several Lu family trusts. Certain shares are held in custodial accounts for minor grandchildren, and Lu expressly disclaims beneficial ownership of those custodial shares.
Diodes Incorporated senior vice president of worldwide analog products Andy Tsong reported new equity grants and related tax withholding. On 02/01/2026, he received 18,000 restricted stock units at $0, which vest in four equal installments beginning 02/01/2027, and a target award of 18,000 performance stock units under the 2022 Equity Incentive Plan. Each PSU represents one share of common stock and can pay out between 0% and 200% of the target award based on cumulative non-GAAP operating income for 2026–2028, with a target of $243.495 million and vesting in February 2029. On 02/02/2026, 1,541 shares of common stock were withheld at $60.66 per share to cover income taxes on vested units. After these transactions, Tsong directly holds 55,681 shares of common stock and 41,100 performance stock units.
Diodes Incorporated director Keh-Shew Lu reported open-market sales of company stock. On 11/12/2025, a Lu family trust sold 3,905 shares of Diodes Incorporated common stock at a weighted average price of $47.3972 per share, and the Lu Grandchildren's Trust sold 2,095 shares at a weighted average price of $47.4552 per share. After these transactions, the Lu Grandchildren's Trust held 271,886 shares indirectly, and Texastac Investments, LP held 244,397 shares indirectly. Additional indirect holdings include 104,625 shares held directly, 46,150 shares in custodial accounts for minor grandchildren, 6,000 shares in The Lu Family Foundation, 4,700 shares in The Lu 2017 Irrevocable Trust, and 92,000 performance stock units held directly.