Company · CIK 0001126741 · SIC 3674 — Semiconductors & Related Devices · Nasdaq
GSI TECHNOLOGY INC · GSIT
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 MForm 4 → | Aug 4, 6:22 pm EDT | Hong-Po HsiehDirector | 55,560 | $1.89 | $104,997 | 76,560 | — | |
| Jul 15, 2026 MForm 4 → | Jul 16, 5:36 pm EDT | Elizabeth CholawskyDirector | 60,517 | $1.91 | $115,344 | 61,867 | — | |
| Jun 1, 2026 SForm 4 → | Jun 3, 5:30 pm EDT | Patrick T ChuangSenior VP, Memory Design | 80,000 | $11.15 | $891,648 | 15,166 | −84.1% | |
| Jun 1, 2026 MForm 4 → | Jun 3, 5:30 pm EDT | Patrick T ChuangSenior VP, Memory Design | 80,000 | $5.67 | $453,600 | 55,166 | — | |
| Jun 1, 2026 SForm 4 → | Jun 3, 5:01 pm EDT | Bor-Tay WuVP, Taiwan Operations | 20,000 | $10.93 | $218,658 | 912,500 | −2.14% | |
| Jun 1, 2026 MForm 4 → | Jun 3, 5:01 pm EDT | Bor-Tay WuVP, Taiwan Operations | 20,000 | $3.68 | $73,600 | 932,500 | — | |
| Feb 26, 2019 SForm 4 → | Feb 27, 9:14 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 54 | $8.20 | $443 | 1,030,522 | −0.01% | plan? |
| Feb 26, 2019 MForm 4 → | Feb 27, 9:14 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 54 | $3.38 | $183 | 1,030,576 | — | plan? |
| Feb 15, 2019 SForm 4/A → | Feb 27, 9:13 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | $8.20 | $16,400 | 1,030,522 | −0.19% | plan? |
| Feb 15, 2019 MForm 4/A → | Feb 27, 9:13 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | $3.38 | $6,760 | 1,032,522 | — | plan? |
| Feb 15, 2019 SForm 4 → | Feb 19, 7:05 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | $8.20 | $16,400 | 1,030,522 | −0.19% | plan? amended |
| Feb 15, 2019 MForm 4 → | Feb 19, 7:05 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | $3.38 | $6,760 | 1,032,522 | — | plan? amended |
| Feb 5, 2019 SForm 4 → | Feb 6, 3:17 pm EST | Didier LasserreVP, Sales | 10,625 | $7.67 | $81,479 | 275,121 | −3.72% | plan? |
| Feb 5, 2019 MForm 4 → | Feb 6, 3:17 pm EST | Didier LasserreVP, Sales | 20,625 | $2.43 | $50,119 | 284,229 | — | plan? |
| Jan 25, 2019 SForm 4 → | Jan 25, 7:31 pm EST | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 61,875 | $9.00 | $556,875 | 1,782,417 | −3.35% | plan? |
| Aug 30, 2018 MForm 4 → | Aug 30, 7:50 pm EDT | Ping Tak WuVP, U.S. Operations | 20,625 | $3.37 | $69,506 | 125,710 | — | plan? |
| Jun 25, 2018 MForm 4 → | Jun 25, 5:16 pm EDT | Douglas SchirleCFO | 8,000 | $4.00 | $32,000 | 48,000 | — | plan? |
| Jun 21, 2018 MForm 4 → | Jun 22, 5:02 pm EDT | Hong-Po HsiehDirector | 21,000 | $3.74 | $78,590 | 21,000 | — | plan? |
| Jun 20, 2018 MForm 4 → | Jun 21, 2:43 pm EDT | Arthur O WhippleDirector | 5,000 | $3.81 | $19,050 | 30,000 | — | plan? |
| May 22, 2018 SForm 4 → | May 23, 4:09 pm EDT | Douglas SchirleCFO | 20,625 | $7.47 | $154,069 | 40,000 | −34.0% | plan? |
| May 22, 2018 MForm 4 → | May 23, 4:09 pm EDT | Douglas SchirleCFO | 20,625 | $3.75 | $77,344 | 60,625 | — | plan? |
| May 15, 2018 MForm 4 → | May 16, 7:16 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | $4.00 | $400,000 | 1,844,292 | — | plan? |
| May 4, 2018 SForm 4 → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 6,035 | $7.56 | $45,607 | 912,500 | −0.66% | plan? |
| May 4, 2018 MForm 4 → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 6,035 | $4.30 | $25,951 | 918,535 | — | plan? |
| May 2, 2018 SForm 4/A → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | $7.48 | $109,150 | 912,500 | −1.57% | plan? |
| May 2, 2018 MForm 4/A → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | $4.30 | $62,737 | 917,090 | — | plan? |
| May 2, 2018 SForm 4 → | May 4, 4:49 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | $7.48 | $109,150 | 912,500 | −1.57% | plan? amended |
| May 2, 2018 MForm 4 → | May 4, 4:49 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | $4.30 | $62,737 | 917,090 | — | plan? amended |
| Mar 8, 2018 SForm 4 → | Mar 9, 6:59 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 10,425 | $8.40 | $87,570 | 1,030,522 | −1.00% | plan? |
| Mar 8, 2018 MForm 4 → | Mar 9, 6:59 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 10,425 | $4.30 | $44,828 | 1,040,947 | — | plan? |
| Mar 7, 2018 SForm 4/A → | Mar 9, 6:55 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | $8.01 | $59,872 | 1,030,522 | −0.72% | plan? |
| Mar 7, 2018 MForm 4/A → | Mar 9, 6:55 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | $4.30 | $32,138 | 1,037,996 | — | plan? |
| Mar 7, 2018 SForm 4 → | Mar 7, 6:36 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | $8.01 | $59,872 | 1,030,522 | −0.72% | plan? amended |
| Mar 7, 2018 MForm 4 → | Mar 7, 6:36 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | $4.20 | $31,391 | 1,037,996 | — | plan? amended |
| Mar 5, 2018 SForm 4/A → | Mar 9, 6:53 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | $8.00 | $19,088 | 1,030,522 | −0.23% | plan? |
| Mar 5, 2018 MForm 4/A → | Mar 9, 6:53 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | $4.30 | $10,260 | 1,032,908 | — | plan? |
| Mar 5, 2018 SForm 4 → | Mar 7, 12:50 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | $8.00 | $19,088 | 1,030,522 | −0.23% | plan? amended |
| Mar 5, 2018 MForm 4 → | Mar 7, 12:50 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | $4.20 | $10,021 | 1,032,908 | — | plan? amended |
| Feb 28, 2018 SForm 4/A → | Mar 9, 6:52 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | $8.00 | $72 | 1,030,522 | −0.00% | plan? |
| Feb 28, 2018 MForm 4/A → | Mar 9, 6:52 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | $4.30 | $39 | 1,030,531 | — | plan? |
| Feb 28, 2018 SForm 4 → | Mar 2, 6:47 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | $8.00 | $72 | 1,030,522 | −0.00% | plan? amended |
| Feb 28, 2018 MForm 4 → | Mar 2, 6:47 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | $4.20 | $38 | 1,030,531 | — | plan? amended |
| Feb 27, 2018 SForm 4/A → | Mar 9, 6:51 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | $8.00 | $2,648 | 1,030,522 | −0.03% | plan? |
| Feb 27, 2018 MForm 4/A → | Mar 9, 6:51 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | $4.30 | $1,423 | 1,030,853 | — | plan? |
| Feb 27, 2018 SForm 4 → | Mar 1, 3:58 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | $8.00 | $2,648 | 1,030,522 | −0.03% | plan? amended |
| Feb 27, 2018 MForm 4 → | Mar 1, 3:58 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | $4.20 | $1,390 | 1,030,853 | — | plan? amended |
| Feb 2, 2018 SForm 4 → | Feb 5, 6:42 pm EST | Didier LasserreVP, Sales | 10,000 | $7.91 | $79,148 | 263,604 | −3.65% | plan? |
| Feb 2, 2018 MForm 4 → | Feb 5, 6:42 pm EST | Didier LasserreVP, Sales | 20,625 | $2.83 | $58,369 | 273,604 | — | plan? |
| Dec 28, 2017 WForm 5 → | Apr 6, 2018, 6:48 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 400,000 | — | — | 520,626 | — | plan? |
| Nov 10, 2017 MForm 4 → | Nov 14, 5:49 pm EST | Ruey-Lin LuDirector | 5,000 | $3.81 | $19,050 | 10,000 | — | plan? |
| Aug 7, 2017 MForm 4 → | Aug 7, 6:15 pm EDT | Arthur O WhippleDirector | 15,000 | $2.49 | $37,350 | 25,000 | — | plan? |
| Jun 13, 2017 MForm 4/A → | Jun 19, 2:05 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 20,626 | $3.76 | $77,451 | 120,626 | — | plan? |
| Jun 13, 2017 MForm 4 → | Jun 14, 2:05 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 20,626 | $3.76 | $77,451 | 130,939 | — | plan? amended |
| Jun 12, 2017 MForm 4 → | Jun 12, 1:57 pm EDT | Douglas SchirleCFO | 10,000 | $4.00 | $40,000 | 40,000 | — | plan? |
| May 18, 2017 MForm 4 → | May 19, 3:02 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, 10% Owner | 61,875 | $4.20 | $259,875 | 1,744,292 | — | plan? |
| May 10, 2017 MForm 4 → | May 11, 7:15 pm EDT | Ruey-Lin LuDirector | 5,000 | $2.49 | $12,450 | 5,000 | — | plan? |
| May 10, 2017 SForm 4 → | May 10, 7:48 pm EDT | Douglas SchirleCFO | 20,625 | $8.29 | $171,012 | 30,000 | −40.7% | plan? |
| May 10, 2017 MForm 4 → | May 10, 7:48 pm EDT | Douglas SchirleCFO | 20,625 | $3.76 | $77,550 | 50,625 | — | plan? |
| May 9, 2017 SForm 4 → | May 10, 2:48 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 20,625 | $7.40 | $152,625 | 1,030,522 | −1.96% | plan? |
| May 9, 2017 MForm 4 → | May 10, 2:48 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 20,625 | $4.20 | $86,625 | 1,051,147 | — | plan? |
| Mar 14, 2017 SForm 4 → | Mar 16, 1:35 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 10,313 | $8.00 | $82,504 | 100,000 | −9.35% | plan? |
| Mar 2, 2017 SForm 4 → | Mar 3, 3:20 pm EST | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 31,875 | $6.99 | $222,707 | 1,682,417 | −1.86% | plan? |
| Feb 28, 2017 SForm 4 → | Mar 1, 5:41 pm EST | Ping Tak WuVP, U.S. Operations | 20,625 | $6.97 | $143,690 | 102,476 | −16.8% | plan? |
| Feb 28, 2017 MForm 4 → | Mar 1, 5:41 pm EST | Ping Tak WuVP, U.S. Operations | 20,625 | $2.49 | $51,356 | 123,101 | — | plan? |
| Jan 3, 2017 SForm 4 → | Jan 5, 5:34 pm EST | Bor-Tay WuVP, Taiwan Operations | 20,625 | $6.14 | $126,685 | 912,500 | −2.21% | plan? |
| Jan 3, 2017 MForm 4 → | Jan 5, 5:34 pm EST | Bor-Tay WuVP, Taiwan Operations | 20,625 | $4.20 | $86,625 | 933,125 | — | plan? |
| Dec 7, 2016 SForm 4 → | Dec 8, 12:29 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 25,000 | $5.49 | $137,213 | 1,030,522 | −2.37% | plan? |
| Nov 18, 2016 SForm 4 → | Nov 21, 6:05 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 25,494 | $5.20 | $132,569 | 1,055,522 | −2.36% | plan? |
| Nov 16, 2016 SForm 4 → | Nov 17, 5:17 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 90 | $5.20 | $468 | 1,081,016 | −0.01% | plan? |
| Nov 1, 2016 SForm 4 → | Nov 2, 6:49 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 4,416 | $5.22 | $23,066 | 1,081,106 | −0.41% | plan? |
| Feb 18, 2016 PForm 4 → | Feb 18, 5:14 pm EST | Jack A. BradleyDirector | 3,000 | $3.55 | $10,650 | 3,000 | — | plan? |
| Feb 11, 2016 PForm 4 → | Feb 11, 2:59 pm EST | Douglas SchirleCFO | 5,000 | $3.50 | $17,481 | 30,000 | +20.0% | plan? |
| Feb 9, 2016 PForm 4 → | Feb 10, 6:17 pm EST | Arthur O WhippleDirector | 5,000 | $3.50 | $17,500 | 10,000 | +100% | plan? |
| Jan 20, 2015 SForm 4 → | Jan 20, 8:29 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 20,000 | $5.30 | $106,000 | 1,085,522 | −1.81% | plan? |
| Feb 18, 2010 SForm 4/A → | Jan 5, 2017, 5:18 pm EST | Bor-Tay WuVP, Taiwan Operations | 23,050 | $4.50 | $103,725 | 912,500 | −2.46% | plan? |
| Feb 18, 2010 MForm 4/A → | Jan 5, 2017, 5:18 pm EST | Bor-Tay WuVP, Taiwan Operations | 23,050 | $2.00 | $46,100 | 935,550 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 13, 2026 AForm 4 → | Aug 14, 6:13 pm EDT | Douglas M. SchirleCFO | 40,000 | — | — | 40,000 | — | |
| Aug 13, 2026 AForm 4 → | Aug 14, 6:02 pm EDT | Patrick T. ChuangSenior VP, Memory Design | 40,000 | — | — | 40,000 | — | |
| Aug 13, 2026 AForm 4 → | Aug 14, 5:52 pm EDT | Didier H. LasserreDirector | 40,000 | — | — | 40,000 | — | |
| Aug 13, 2026 AForm 4 → | Aug 14, 5:32 pm EDT | Ping Tak WuVP, U.S. Operations | 30,000 | — | — | 30,000 | — | |
| Aug 13, 2026 AForm 4 → | Aug 14, 5:27 pm EDT | Avidan AkeribVP, Associative Computing | 40,000 | — | — | 40,000 | — | |
| Aug 13, 2026 AForm 4 → | Aug 14, 5:24 pm EDT | Lee-Lean ShuPres., CEO and Chairman, Director | 200,000 | — | — | 100,000 | — | |
| Aug 5, 2026 DForm 4 → | Aug 7, 5:09 pm EDT | Lee-Lean ShuPres., CEO and Chairman, Director | 100,000 | — | — | 50,000 | — | |
| Aug 3, 2026 MForm 4 → | Aug 4, 6:22 pm EDT | Hong-Po HsiehDirector | 55,560 | — | — | 0 | — | |
| Jul 15, 2026 MForm 4 → | Jul 16, 5:36 pm EDT | Elizabeth CholawskyDirector | 60,517 | — | — | 15,895 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 5:30 pm EDT | Patrick T ChuangSenior VP, Memory Design | 80,000 | — | — | 0 | — | |
| Jun 1, 2026 MForm 4 → | Jun 3, 5:01 pm EDT | Bor-Tay WuVP, Taiwan Operations | 20,000 | — | — | 0 | — | |
| Feb 26, 2019 MForm 4 → | Feb 27, 9:14 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 54 | — | — | 18,571 | — | |
| Feb 15, 2019 MForm 4/A → | Feb 27, 9:13 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | — | — | 18,625 | — | |
| Feb 15, 2019 MForm 4 → | Feb 19, 7:05 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,000 | — | — | 0 | — | amended |
| Feb 5, 2019 MForm 4 → | Feb 6, 3:17 pm EST | Didier LasserreVP, Sales | 20,625 | — | — | 0 | — | |
| Oct 29, 2018 AForm 4 → | Oct 29, 8:14 pm EDT | E Thomas HartDirector | 8,967 | — | — | 8,967 | — | |
| Oct 29, 2018 AForm 4 → | Oct 29, 8:11 pm EDT | Jack A. BradleyDirector | 9,306 | — | — | 9,306 | — | |
| Oct 29, 2018 AForm 4 → | Oct 29, 8:03 pm EDT | Hong-Po HsiehDirector | 8,883 | — | — | 8,883 | — | |
| Oct 29, 2018 AForm 4 → | Oct 29, 8:00 pm EDT | Arthur O WhippleDirector | 14,043 | — | — | 14,043 | — | |
| Oct 29, 2018 AForm 4 → | Oct 29, 7:56 pm EDT | Ruey-Lin LuDirector | 8,121 | — | — | 8,121 | — | |
| Aug 30, 2018 MForm 4 → | Aug 30, 7:50 pm EDT | Ping Tak WuVP, U.S. Operations | 20,625 | — | — | 0 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:16 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 40,000 | — | — | 40,000 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:16 pm EDT | Ping Tak WuVP, U.S. Operations | 30,000 | — | — | 30,000 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:15 pm EDT | Douglas SchirleCFO | 40,000 | — | — | 40,000 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:14 pm EDT | Didier LasserreVP, Sales | 40,000 | — | — | 40,000 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:13 pm EDT | Bor-Tay WuVP, Taiwan Operations | 40,000 | — | — | 40,000 | — | |
| Jul 30, 2018 AForm 4 → | Jul 31, 4:12 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | — | — | 100,000 | — | |
| Jun 25, 2018 MForm 4 → | Jun 25, 5:16 pm EDT | Douglas SchirleCFO | 8,000 | — | — | 0 | — | |
| Jun 21, 2018 MForm 4 → | Jun 22, 5:02 pm EDT | Hong-Po HsiehDirector | 21,000 | — | — | 0 | — | |
| Jun 20, 2018 MForm 4 → | Jun 21, 2:43 pm EDT | Arthur O WhippleDirector | 5,000 | — | — | 0 | — | |
| May 22, 2018 MForm 4 → | May 23, 4:09 pm EDT | Douglas SchirleCFO | 20,625 | — | — | 0 | — | |
| May 15, 2018 MForm 4 → | May 16, 7:16 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | — | — | 0 | — | |
| May 4, 2018 MForm 4 → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 6,035 | — | — | 0 | — | |
| May 2, 2018 MForm 4/A → | May 4, 7:35 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | — | — | 6,035 | — | |
| May 2, 2018 MForm 4 → | May 4, 4:49 pm EDT | Bor-Tay WuVP, Taiwan Operations | 14,590 | — | — | 6,035 | — | amended |
| Mar 8, 2018 MForm 4 → | Mar 9, 6:59 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 10,425 | — | — | 0 | — | |
| Mar 7, 2018 MForm 4/A → | Mar 9, 6:55 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | — | — | 10,425 | — | |
| Mar 7, 2018 MForm 4 → | Mar 7, 6:36 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 7,474 | — | — | 10,425 | — | amended |
| Mar 5, 2018 MForm 4/A → | Mar 9, 6:53 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | — | — | 17,899 | — | |
| Mar 5, 2018 MForm 4 → | Mar 7, 12:50 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 2,386 | — | — | 17,899 | — | amended |
| Feb 28, 2018 MForm 4/A → | Mar 9, 6:52 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | — | — | 20,285 | — | |
| Feb 28, 2018 MForm 4/A → | Mar 9, 6:51 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | — | — | 20,294 | — | |
| Feb 28, 2018 MForm 4 → | Mar 2, 6:47 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 9 | — | — | 20,285 | — | amended |
| Feb 28, 2018 MForm 4 → | Mar 1, 3:58 pm EST | Robert YauVP, Engin., Sect. & Director, Director | 331 | — | — | 20,294 | — | amended |
| Feb 2, 2018 MForm 4 → | Feb 5, 6:42 pm EST | Didier LasserreVP, Sales | 20,625 | — | — | 0 | — | |
| Nov 10, 2017 MForm 4 → | Nov 14, 5:49 pm EST | Ruey-Lin LuDirector | 5,000 | — | — | 0 | — | |
| Oct 30, 2017 AForm 4 → | Nov 3, 7:57 pm EDT | E Thomas HartDirector | 7,725 | — | — | 7,725 | — | late |
| Oct 30, 2017 AForm 4 → | Nov 3, 7:54 pm EDT | Ruey-Lin LuDirector | 6,997 | — | — | 6,997 | — | late |
| Oct 30, 2017 AForm 4 → | Nov 3, 7:53 pm EDT | Jack A. BradleyDirector | 8,017 | — | — | 8,017 | — | late |
| Oct 30, 2017 AForm 4 → | Nov 3, 7:51 pm EDT | Hong-Po HsiehDirector | 7,653 | — | — | 7,653 | — | late |
| Oct 30, 2017 AForm 4 → | Nov 3, 7:49 pm EDT | Arthur O WhippleDirector | 12,099 | — | — | 12,099 | — | late |
| Aug 7, 2017 MForm 4 → | Aug 7, 6:15 pm EDT | Arthur O WhippleDirector | 15,000 | — | — | 0 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:37 pm EDT | Ping Tak WuVP, U.S. Operations | 30,000 | — | — | 30,000 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:34 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | — | — | 100,000 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:30 pm EDT | Douglas SchirleCFO | 40,000 | — | — | 40,000 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:25 pm EDT | Didier LasserreVP, Sales | 30,000 | — | — | 30,000 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:16 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 40,000 | — | — | 40,000 | — | |
| Jul 31, 2017 AForm 4 → | Aug 1, 2:14 pm EDT | Bor-Tay WuVP, Taiwan Operations | 40,000 | — | — | 40,000 | — | |
| Jun 13, 2017 MForm 4/A → | Jun 19, 2:05 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 20,626 | — | — | 0 | — | |
| Jun 13, 2017 MForm 4 → | Jun 14, 2:05 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 20,626 | — | — | 0 | — | amended |
| Jun 12, 2017 MForm 4 → | Jun 12, 1:57 pm EDT | Douglas SchirleCFO | 10,000 | — | — | 10,625 | — | |
| May 18, 2017 MForm 4 → | May 19, 3:02 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, 10% Owner | 61,875 | — | — | 0 | — | |
| May 10, 2017 MForm 4 → | May 11, 7:15 pm EDT | Ruey-Lin LuDirector | 5,000 | — | — | 0 | — | |
| May 10, 2017 MForm 4 → | May 10, 7:48 pm EDT | Douglas SchirleCFO | 20,625 | — | — | 0 | — | |
| May 9, 2017 MForm 4 → | May 10, 2:48 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 20,625 | — | — | 0 | — | |
| Feb 28, 2017 DForm 4 → | Mar 1, 5:41 pm EST | Ping Tak WuVP, U.S. Operations | 20,625 | — | — | 0 | — | |
| Jan 3, 2017 MForm 4 → | Jan 5, 5:34 pm EST | Bor-Tay WuVP, Taiwan Operations | 20,625 | — | — | 0 | — | |
| Oct 31, 2016 AForm 4 → | Nov 1, 8:00 pm EDT | E Thomas HartDirector | 10,037 | — | — | 10,037 | — | |
| Oct 31, 2016 AForm 4 → | Nov 1, 7:14 pm EDT | Arthur O WhippleDirector | 15,719 | — | — | 15,719 | — | |
| Oct 31, 2016 AForm 4 → | Nov 1, 7:10 pm EDT | Ruey-Lin LuDirector | 9,090 | — | — | 9,090 | — | |
| Oct 31, 2016 AForm 4 → | Nov 1, 7:04 pm EDT | Hong-Po HsiehDirector | 9,943 | — | — | 9,943 | — | |
| Oct 31, 2016 AForm 4 → | Nov 1, 6:48 pm EDT | Jack A. BradleyDirector | 10,416 | — | — | 10,416 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:46 pm EDT | Bor-Tay WuVP, Taiwan Operations | 40,000 | — | — | 40,000 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:43 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | — | — | 100,000 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:37 pm EDT | Didier LasserreVP, Sales | 30,000 | — | — | 30,000 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:33 pm EDT | Douglas SchirleCFO | 40,000 | — | — | 40,000 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:27 pm EDT | Ping Tak WuVP, U.S. Operations | 30,000 | — | — | 30,000 | — | |
| Aug 1, 2016 AForm 4 → | Aug 3, 6:24 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 40,000 | — | — | 40,000 | — | |
| Nov 2, 2015 AForm 4 → | Nov 3, 6:00 pm EST | E Thomas HartDirector | 5,000 | — | — | 5,000 | — | |
| Nov 2, 2015 AForm 4 → | Nov 3, 5:45 pm EST | Arthur O WhippleDirector | 7,000 | — | — | 7,000 | — | |
| Nov 2, 2015 AForm 4 → | Nov 3, 5:33 pm EST | Jack A. BradleyDirector | 5,000 | — | — | 5,000 | — | |
| Nov 2, 2015 AForm 4 → | Nov 3, 5:26 pm EST | Hong-Po HsiehDirector | 4,000 | — | — | 4,000 | — | |
| Nov 2, 2015 AForm 4 → | Nov 3, 5:22 pm EST | Ruey-Lin LuDirector | 4,000 | — | — | 4,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:29 pm EDT | Douglas SchirleCFO | 40,000 | — | — | 40,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:26 pm EDT | Didier LasserreVP, Sales | 30,000 | — | — | 30,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:24 pm EDT | Ping Tak WuVP, U.S. Operations | 30,000 | — | — | 30,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:22 pm EDT | Robert YauVP, Engin., Sect. & Director, Director | 40,000 | — | — | 40,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:20 pm EDT | Bor-Tay WuVP, Taiwan Operations | 40,000 | — | — | 40,000 | — | |
| Aug 3, 2015 AForm 4 → | Aug 4, 6:18 pm EDT | Lee-Lean ShuPresident, CEO and Chairman, Director, 10% Owner | 100,000 | — | — | 100,000 | — | |
| Mar 19, 2015 AForm 4 → | Mar 20, 5:16 pm EDT | Jack A. BradleyDirector | 10,000 | — | — | 10,000 | — | |
| Mar 19, 2015 AForm 4 → | Mar 19, 7:00 pm EDT | E Thomas HartDirector | 10,000 | — | — | 10,000 | — |