See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
Transactions3
Insider Involved2
Total Buys$0.00
Total Sells$1.24M
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 04, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
4,715 | $126.50 | 4,715 $126.50 $596,448 |
Jul 21, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
1,285 | $120.02 | 1,285 $120.02 $154,226 |
Jul 10, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
4,000 | $122.09 | 4,000 $122.09 $488,360 |
Jun 18, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
6,000 | $171.89 | 6,000 $171.89 $1,031,340 |
Jun 17, 2026 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
40,329 | $170.60 | 40,329 $170.60 $6,880,127 |
Jun 12, 2026 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
34,000 | $166.53 | 34,000 $166.53 $5,662,020 |
Jun 12, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
28,826 | $166.53 | 28,826 $166.53 $4,800,394 |
Jun 12, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
29,227 | $166.53 | 29,227 $166.53 $4,867,172 |
Jun 12, 2026 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Sell |
59,000 | $166.53 | 59,000 $166.53 $9,825,270 |
Jun 12, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
33,000 | $166.53 | 33,000 $166.53 $5,495,490 |
Jun 05, 2026 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
4,000 | $200.07 | 4,000 $200.07 $800,280 |
Jun 04, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
5,000 | $205.39 | 5,000 $205.39 $1,026,950 |
Jun 04, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
5,000 | $204.75 | 5,000 $204.75 $1,023,750 |
May 26, 2026 DeLaney Cynthia |
DeLaney Cynthia
|
Sell |
56,575 | $189.23 | 56,575 $189.23 $10,705,602 |
May 19, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
33,000 | $173.26 | 33,000 $173.26 $5,717,580 |
May 19, 2026 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
33,630 | $173.26 | 33,630 $173.26 $5,826,734 |
May 19, 2026 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Sell |
58,000 | $173.26 | 58,000 $173.26 $10,049,080 |
May 19, 2026 Yeh Shu-Hua (Joshua) |
Yeh Shu-Hua (Joshua)
*** See Remarks
|
Sell |
39,154 | $173.26 | 39,154 $173.26 $6,783,822 |
May 19, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
19,227 | $173.26 | 19,227 $173.26 $3,331,270 |
May 11, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
4,000 | $159.53 | 4,000 $159.53 $638,102 |
Apr 10, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
4,000 | $136.50 | 4,000 $136.50 $546,014 |
Mar 19, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
29,000 | $100.13 | 29,000 $100.13 $2,903,700 |
Mar 16, 2026 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
36,400 | $100.25 | 36,400 $100.25 $3,648,918 |
Mar 05, 2026 BLACK RICHARD B |
BLACK RICHARD B
|
Sell |
3,231 | $95.00 | 3,231 $95.00 $306,945 |
Mar 04, 2026 DeLaney Cynthia |
DeLaney Cynthia
|
Sell |
21,000 | $98.02 | 21,000 $98.02 $2,058,344 |
Mar 03, 2026 Loboa Elizabeth G |
Loboa Elizabeth G
|
Sell |
102,347 | $95.76 | 102,347 $95.76 $9,800,605 |
Feb 20, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
5,980 | $50.15 | 5,980 $50.15 $299,922 |
Feb 11, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
17,467 | $50.17 | 17,467 $50.17 $876,251 |
Feb 11, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
11,693 | $50.25 | 11,693 $50.25 $587,621 |
Feb 10, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
2,327 | $50.00 | 2,327 $50.00 $116,353 |
Feb 10, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
4,000 | $48.68 | 4,000 $48.68 $194,715 |
Feb 10, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
2,533 | $50.00 | 2,533 $50.00 $126,654 |
Jan 28, 2026 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
12,000 | $45.06 | 12,000 $45.06 $540,660 |
Jan 15, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
66 | $35.01 | 66 $35.01 $2,311 |
Jan 13, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
934 | $35.00 | 934 $35.00 $32,690 |
Jan 12, 2026 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
3,000 | $33.75 | 3,000 $33.75 $101,242 |
Dec 23, 2025 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
12,500 | $40.15 | 12,500 $40.15 $501,875 |
Dec 15, 2025 Loboa Elizabeth G |
Loboa Elizabeth G
|
Sell |
4,121 | $30.23 | 4,121 $30.23 $124,584 |
Dec 10, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
1,000 | $35.00 | 1,000 $35.00 $35,000 |
Dec 10, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
3,000 | $30.40 | 3,000 $30.40 $91,213 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 15, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
12,000 | $22.37 | 12,000 $22.37 $268,440 |
Aug 15, 2025 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
2,000 | $22.34 | 2,000 $22.34 $44,680 |
Aug 14, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
920 | $21.60 | 920 $21.60 $19,872 |
Aug 14, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
5,750 | $21.62 | 5,750 $21.62 $124,315 |
Aug 14, 2025 Lin Che-Wei |
Lin Che-Wei
|
Buy |
4,609 | $21.64 | 4,609 $21.64 $99,739 |
Aug 14, 2025 Yeh William H |
Yeh William H
|
Buy |
4,000 | $21.40 | 4,000 $21.40 $85,600 |
Aug 14, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
1,405 | $21.26 | 1,405 $21.26 $29,870 |
Aug 13, 2025 Yeh William H |
Yeh William H
|
Buy |
4,000 | $23.15 | 4,000 $23.15 $92,600 |
Aug 13, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
3,250 | $22.65 | 3,250 $22.65 $73,613 |
Aug 13, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
8,850 | $22.53 | 8,850 $22.53 $199,391 |
Aug 13, 2025 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
15,784 | $22.70 | 15,784 $22.70 $358,311 |
Aug 13, 2025 Yeh William H |
Yeh William H
|
Buy |
10,000 | $22.75 | 10,000 $22.75 $227,500 |
Aug 13, 2025 Chen Min-Chu (Mike) |
Chen Min-Chu (Mike)
|
Buy |
7,500 | $22.91 | 7,500 $22.91 $171,825 |
Aug 12, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
6,500 | $23.14 | 6,500 $23.14 $150,410 |
Jul 16, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
3,000 | $27.46 | 3,000 $27.46 $82,377 |
Jun 16, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
2,000 | $16.05 | 2,000 $16.05 $32,090 |
May 16, 2025 Murry Stefan J. |
Murry Stefan J.
CFO
|
Sell |
2,000 | $19.35 | 2,000 $19.35 $38,697 |
May 14, 2025 Kuo David C |
Kuo David C
*** See Remarks
|
Sell |
11,426 | $19.10 | 11,426 $19.10 $218,214 |
May 13, 2025 Lin Chih-Hsiang (Thompson) |
Lin Chih-Hsiang (Thompson)
President and CEO
|
Buy |
11,000 | $18.20 | 11,000 $18.20 $200,151 |
May 13, 2025 Chang Hung-Lun (Fred) |
Chang Hung-Lun (Fred)
*** See Remarks
|
Sell |
23,837 | $19.06 | 23,837 $19.06 $454,278 |
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