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Hu Chenming

Insider CIK 1316320 · SNDK Director · IPHI Director · FTNT Director · AMBA Director · ACMR Director

Track record PRO

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Track record
See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.
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Trades across companies

TickerCodeTradeFiledSharesPriceValueOwned after
AMBA AMBARELLA INC A Award2026-09-082026-09-103,151— $032,667SEC↗
AMBA AMBARELLA INC A Award2026-09-082026-09-103,151— $032,667SEC↗
AMBA AMBARELLA INC A Award2025-09-022025-09-042,498— $029,516SEC↗
ACMR ACM Research, Inc. S Sale2025-03-172025-03-19163,308$30.00 $4.90M100,002SEC↗
AMBA AMBARELLA INC A Award2024-08-292024-08-303,374— $027,018SEC↗
ACMR ACM Research, Inc. A Award deriv2024-08-122024-08-2020,000— $020,000SEC↗
AMBA AMBARELLA INC A Award2023-08-312023-09-013,218— $023,644SEC↗
ACMR ACM Research, Inc. A Award deriv2023-08-102023-08-1424,000— $024,000SEC↗
ACMR ACM Research, Inc. A Award deriv2023-08-102023-08-2124,000— $024,000SEC↗
AMBA AMBARELLA INC A Award2023-06-152023-06-201,559— $020,426SEC↗
AMBA AMBARELLA INC M Exercise deriv2023-03-152023-03-17779— $01,559SEC↗
AMBA AMBARELLA INC M Exercise2023-03-152023-03-17779— $018,867SEC↗
AMBA AMBARELLA INC M Exercise deriv2022-12-162022-12-20779— $02,338SEC↗
AMBA AMBARELLA INC M Exercise2022-12-162022-12-20779— $018,088SEC↗
AMBA AMBARELLA INC M Exercise deriv2022-09-162022-09-20377— $00SEC↗
AMBA AMBARELLA INC M Exercise2022-09-162022-09-20377— $017,309SEC↗
AMBA AMBARELLA INC A Award deriv2022-09-012022-09-023,117— $03,117SEC↗
ACMR ACM Research, Inc. A Award deriv2022-06-302022-07-0524,000— $024,000SEC↗
AMBA AMBARELLA INC M Exercise deriv2022-06-162022-06-17377— $0377SEC↗
AMBA AMBARELLA INC M Exercise2022-06-162022-06-17377— $016,932SEC↗
AMBA AMBARELLA INC M Exercise deriv2022-03-162022-03-18377— $0754SEC↗
AMBA AMBARELLA INC M Exercise2022-03-162022-03-18377— $016,555SEC↗
AMBA AMBARELLA INC M Exercise deriv2022-02-252022-03-015,555— $00SEC↗
AMBA AMBARELLA INC M Exercise2022-02-252022-03-015,555$38.92 $216.2K16,178SEC↗
AMBA AMBARELLA INC M Exercise deriv2021-12-162021-12-17377— $01,131SEC↗
AMBA AMBARELLA INC M Exercise2021-12-162021-12-17377— $010,623SEC↗
AMBA AMBARELLA INC S Sale2021-09-222021-09-243,666$160.00 $586.6K10,246SEC↗
AMBA AMBARELLA INC M Exercise deriv2021-09-162021-09-17959— $00SEC↗
AMBA AMBARELLA INC M Exercise2021-09-162021-09-17959— $013,912SEC↗
AMBA AMBARELLA INC S Sale2021-09-092021-09-104,000$140.00 $560.0K12,953SEC↗
AMBA AMBARELLA INC A Award deriv2021-09-022021-09-071,508— $01,508SEC↗
AMBA AMBARELLA INC S Sale2021-09-012021-09-024,000$120.00 $480.0K16,953SEC↗
AMBA AMBARELLA INC M Exercise deriv2021-06-162021-06-17958— $0959SEC↗
AMBA AMBARELLA INC M Exercise2021-06-162021-06-17958— $020,953SEC↗
ACMR ACM Research, Inc. M Exercise deriv2021-05-042021-05-0623,334— $00SEC↗
ACMR ACM Research, Inc. M Exercise2021-05-042021-05-0623,334$3.00 $70.0K87,770SEC↗
IPHI INPHI Corp D To issuer2021-04-202021-04-201,478— $00SEC↗
IPHI INPHI Corp D To issuer2021-04-202021-04-2065,503— $01,478SEC↗
ACMR ACM Research, Inc. M Exercise deriv2021-03-302021-04-0110,000— $023,334SEC↗
ACMR ACM Research, Inc. M Exercise2021-03-302021-04-0110,000$3.00 $30.0K64,436SEC↗
AMBA AMBARELLA INC M Exercise deriv2021-03-162021-03-18958— $01,917SEC↗
AMBA AMBARELLA INC M Exercise2021-03-162021-03-18958— $019,995SEC↗
ACMR ACM Research, Inc. M Exercise deriv2021-03-082021-03-0812,334— $00SEC↗
ACMR ACM Research, Inc. M Exercise2021-03-082021-03-0812,334$7.50 $92.5K54,436SEC↗
ACMR ACM Research, Inc. M Exercise deriv2021-03-042021-03-0811,000— $012,334SEC↗
ACMR ACM Research, Inc. M Exercise2021-03-042021-03-0811,000$7.50 $82.5K42,102SEC↗
ACMR ACM Research, Inc. M Exercise deriv2021-03-022021-03-0310,000— $023,334SEC↗
ACMR ACM Research, Inc. M Exercise2021-03-022021-03-0310,000$7.50 $75.0K31,102SEC↗
ACMR ACM Research, Inc. A Award deriv2021-02-222021-03-035,000— $05,000SEC↗
ACMR ACM Research, Inc. A Award deriv2021-02-222021-03-055,000— $05,000SEC↗
ACMR ACM Research, Inc. S Sale2021-02-122021-02-1610,000$120.00 $1.20M21,102SEC↗
AMBA AMBARELLA INC M Exercise deriv2020-12-162020-12-18958— $02,875SEC↗
AMBA AMBARELLA INC M Exercise2020-12-162020-12-18958— $019,037SEC↗
AMBA AMBARELLA INC S Sale2020-12-032020-12-045,818$88.00 $512.0K18,079SEC↗
AMBA AMBARELLA INC S Sale2020-11-272020-12-025,000$78.00 $390.0K23,897SEC↗
AMBA AMBARELLA INC S Sale2020-11-242020-11-255,000$70.67 $353.4K28,897SEC↗
FTNT Fortinet, Inc. M Exercise deriv2020-09-302020-10-01448— $01,344SEC↗
FTNT Fortinet, Inc. M Exercise2020-09-302020-10-01448— $02,580SEC↗
AMBA AMBARELLA INC M Exercise deriv2020-09-162020-09-18858— $00SEC↗
AMBA AMBARELLA INC M Exercise2020-09-162020-09-18858— $033,897SEC↗
ACMR ACM Research, Inc. M Exercise deriv2020-09-082020-09-1031,102— $00SEC↗
ACMR ACM Research, Inc. M Exercise2020-09-082020-09-1031,102$3.00 $93.3K31,102SEC↗
AMBA AMBARELLA INC A Award deriv2020-09-042020-09-093,833— $03,833SEC↗
ACMR ACM Research, Inc. S Sale2020-08-032020-08-057,806$100.00 $780.6K0SEC↗
ACMR ACM Research, Inc. S Sale2020-07-132020-07-1514,000$84.15 $1.18M7,806SEC↗
AMBA AMBARELLA INC M Exercise deriv2020-06-232020-06-241,112— $00SEC↗
AMBA AMBARELLA INC M Exercise2020-06-232020-06-241,112$9.99 $11.1K33,039SEC↗
AMBA AMBARELLA INC M Exercise deriv2020-06-162020-06-18858— $0858SEC↗
AMBA AMBARELLA INC M Exercise2020-06-162020-06-18858— $031,927SEC↗
ACMR ACM Research, Inc. S Sale2020-06-032020-06-058,194$65.12 $533.6K21,806SEC↗
IPHI INPHI Corp A Award2020-05-222020-05-271,478— $066,981SEC↗
AMBA AMBARELLA INC M Exercise deriv2020-03-172020-03-19858— $01,716SEC↗
AMBA AMBARELLA INC M Exercise2020-03-172020-03-19858— $031,069SEC↗
AMBA AMBARELLA INC M Exercise deriv2019-12-172019-12-19857— $02,574SEC↗
AMBA AMBARELLA INC M Exercise2019-12-172019-12-19857— $030,211SEC↗
IPHI INPHI Corp S Sale2019-11-252019-11-267,000$71.00 $497.0K65,503SEC↗
ACMR ACM Research, Inc. D To issuer deriv2019-09-302019-10-0222,232$10.20 $226.8K31,102SEC↗
AMBA AMBARELLA INC S Sale2019-09-302019-10-0110,000$63.00 $630.0K29,354SEC↗
AMBA AMBARELLA INC M Exercise deriv2019-09-172019-09-181,312— $00SEC↗
AMBA AMBARELLA INC M Exercise2019-09-172019-09-181,312— $039,354SEC↗
AMBA AMBARELLA INC A Award deriv2019-09-032019-09-053,431— $03,431SEC↗
ACMR ACM Research, Inc. D To issuer2019-08-232019-08-2722,232$13.20 $293.5K7,768SEC↗
AMBA AMBARELLA INC M Exercise deriv2019-06-182019-06-191,312— $01,312SEC↗
AMBA AMBARELLA INC M Exercise2019-06-182019-06-191,312— $038,042SEC↗
IPHI INPHI Corp A Award2019-05-242019-05-294,020— $072,503SEC↗
AMBA AMBARELLA INC M Exercise deriv2019-03-192019-03-201,312— $02,624SEC↗
AMBA AMBARELLA INC M Exercise2019-03-192019-03-201,312— $036,730SEC↗
IPHI INPHI Corp G Gift2019-02-252019-02-2620,000— $068,483SEC↗
AMBA AMBARELLA INC M Exercise deriv2018-12-182018-12-201,312— $03,936SEC↗
AMBA AMBARELLA INC M Exercise2018-12-182018-12-201,312— $035,418SEC↗
AMBA AMBARELLA INC M Exercise deriv2018-09-182018-09-201,232— $00SEC↗
AMBA AMBARELLA INC M Exercise2018-09-182018-09-201,232— $034,106SEC↗
AMBA AMBARELLA INC A Award deriv2018-09-042018-09-065,248— $05,248SEC↗
ACMR ACM Research, Inc. M Exercise deriv2018-08-302018-08-3130,000— $053,334SEC↗
ACMR ACM Research, Inc. M Exercise2018-08-302018-08-3130,000$3.00 $90.0K30,000SEC↗
AMBA AMBARELLA INC M Exercise deriv2018-06-182018-06-201,231— $01,232SEC↗
AMBA AMBARELLA INC M Exercise2018-06-182018-06-201,231— $032,874SEC↗
IPHI INPHI Corp A Award2018-05-252018-05-305,144$34.02 $175.0K88,483SEC↗
AMBA AMBARELLA INC M Exercise deriv2018-03-162018-03-201,232— $02,463SEC↗
AMBA AMBARELLA INC M Exercise2018-03-162018-03-201,232— $031,643SEC↗
AMBA AMBARELLA INC M Exercise deriv2017-12-182017-12-201,231— $03,695SEC↗
AMBA AMBARELLA INC M Exercise2017-12-182017-12-201,231— $030,411SEC↗
AMBA AMBARELLA INC M Exercise deriv2017-09-182017-09-20726— $00SEC↗
AMBA AMBARELLA INC M Exercise2017-09-182017-09-20726— $029,180SEC↗
AMBA AMBARELLA INC A Award deriv2017-09-052017-09-074,926— $04,926SEC↗
AMBA AMBARELLA INC M Exercise deriv2017-06-162017-06-20726— $0726SEC↗
AMBA AMBARELLA INC M Exercise2017-06-162017-06-20726— $028,454SEC↗
IPHI INPHI Corp A Award2017-05-262017-05-313,328— $083,339SEC↗
AMBA AMBARELLA INC M Exercise deriv2017-03-162017-03-17726— $01,452SEC↗
AMBA AMBARELLA INC M Exercise2017-03-162017-03-17726— $027,728SEC↗
AMBA AMBARELLA INC M Exercise deriv2016-12-162016-12-16726— $02,178SEC↗
AMBA AMBARELLA INC M Exercise2016-12-162016-12-16726— $027,002SEC↗
AMBA AMBARELLA INC M Exercise deriv2016-09-162016-09-201,153— $00SEC↗
AMBA AMBARELLA INC M Exercise2016-09-162016-09-201,153— $026,276SEC↗
AMBA AMBARELLA INC A Award deriv2016-09-062016-09-082,904— $02,904SEC↗
AMBA AMBARELLA INC M Exercise deriv2016-06-162016-06-201,153— $01,153SEC↗
AMBA AMBARELLA INC M Exercise2016-06-162016-06-201,153— $025,123SEC↗
IPHI INPHI Corp A Award2016-05-272016-05-313,214— $083,611SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer deriv2016-05-122016-05-136,250— $00SEC↗
SNDK SANDISK CORP D To issuer2016-05-122016-05-136,263— $00SEC↗
AMBA AMBARELLA INC M Exercise deriv2016-03-162016-03-181,153— $02,306SEC↗
AMBA AMBARELLA INC M Exercise2016-03-162016-03-181,153— $023,970SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-12-162015-12-171,152— $03,459SEC↗
AMBA AMBARELLA INC M Exercise2015-12-162015-12-171,152— $022,817SEC↗
AMBA AMBARELLA INC A Award deriv2015-10-292015-11-024,611— $04,611SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-10-082015-10-095,555— $00SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-10-082015-10-0910,554— $01,112SEC↗
AMBA AMBARELLA INC M Exercise2015-10-082015-10-0910,554$9.99 $105.4K16,110SEC↗
AMBA AMBARELLA INC M Exercise2015-10-082015-10-095,555$16.35 $90.8K21,665SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-09-162015-09-17695— $00SEC↗
AMBA AMBARELLA INC M Exercise2015-09-162015-09-17695— $05,556SEC↗
SNDK SANDISK CORP A Award deriv2015-06-182015-06-226,250— $06,250SEC↗
SNDK SANDISK CORP A Award2015-06-182015-06-221,927— $06,263SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-06-162015-06-17694— $0695SEC↗
AMBA AMBARELLA INC M Exercise2015-06-162015-06-17694— $04,861SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-06-092015-06-1015,000— $011,666SEC↗
AMBA AMBARELLA INC S Sale2015-06-092015-06-1014,900$110.43 $1.65M4,167SEC↗
AMBA AMBARELLA INC M Exercise2015-06-092015-06-1015,000$9.99 $149.8K19,167SEC↗
AMBA AMBARELLA INC S Sale2015-06-092015-06-10100$112.10 $11.2K19,067SEC↗
IPHI INPHI Corp A Award2015-05-292015-06-013,341— $080,397SEC↗
FTNT FORTINET INC M Exercise deriv2015-05-132015-05-15331— $02,982SEC↗
FTNT FORTINET INC M Exercise2015-05-132015-05-15331— $016,068SEC↗
IPHI INPHI Corp G Gift2015-05-122015-05-2010,000— $077,056SEC↗
FTNT FORTINET INC M Exercise deriv2015-05-082015-05-111,250— $06,250SEC↗
FTNT FORTINET INC M Exercise2015-05-082015-05-111,250— $015,737SEC↗
AMBA AMBARELLA INC M Exercise deriv2015-03-172015-03-19695— $01,389SEC↗
AMBA AMBARELLA INC M Exercise2015-03-172015-03-19695— $04,167SEC↗
FTNT FORTINET INC M Exercise deriv2015-02-132015-02-17331— $03,313SEC↗
FTNT FORTINET INC M Exercise2015-02-132015-02-17331— $014,487SEC↗
FTNT FORTINET INC M Exercise deriv2015-02-082015-02-101,250— $07,500SEC↗
FTNT FORTINET INC M Exercise2015-02-082015-02-101,250— $014,156SEC↗
AMBA AMBARELLA INC M Exercise deriv2014-12-162014-12-18694— $02,084SEC↗
AMBA AMBARELLA INC M Exercise2014-12-162014-12-18694— $03,472SEC↗
FTNT FORTINET INC M Exercise deriv2014-11-132014-11-17331— $03,644SEC↗
FTNT FORTINET INC M Exercise2014-11-132014-11-17331— $012,906SEC↗
FTNT FORTINET INC M Exercise deriv2014-11-082014-11-101,250— $08,750SEC↗
FTNT FORTINET INC M Exercise2014-11-082014-11-101,250— $012,575SEC↗
AMBA AMBARELLA INC A Award deriv2014-09-082014-09-105,555— $05,555SEC↗
AMBA AMBARELLA INC A Award deriv2014-09-082014-09-102,778— $02,778SEC↗
FTNT FORTINET INC M Exercise deriv2014-08-132014-08-151,325— $03,975SEC↗
FTNT FORTINET INC M Exercise2014-08-132014-08-151,325— $011,325SEC↗
FTNT FORTINET INC M Exercise deriv2014-08-082014-08-081,250— $010,000SEC↗
FTNT FORTINET INC M Exercise2014-08-082014-08-081,250— $010,000SEC↗
FTNT FORTINET INC A Award deriv2014-08-062014-08-085,300— $05,300SEC↗
SNDK SANDISK CORP A Award deriv2014-06-192014-06-236,250— $06,250SEC↗
SNDK SANDISK CORP A Award2014-06-192014-06-231,230— $04,336SEC↗
AMBA AMBARELLA INC M Exercise deriv2014-06-162014-06-18695— $00SEC↗
AMBA AMBARELLA INC M Exercise2014-06-162014-06-18695— $02,778SEC↗
IPHI INPHI Corp A Award2014-05-302014-06-025,312— $078,056SEC↗
FTNT FORTINET INC M Exercise deriv2014-05-082014-05-091,250— $011,250SEC↗
FTNT FORTINET INC M Exercise2014-05-082014-05-091,250— $08,750SEC↗
AMBA AMBARELLA INC M Exercise deriv2014-03-172014-03-19694— $0695SEC↗
AMBA AMBARELLA INC M Exercise2014-03-172014-03-19694— $02,083SEC↗
FTNT FORTINET INC M Exercise deriv2014-02-082014-02-111,250— $012,500SEC↗
FTNT FORTINET INC M Exercise2014-02-082014-02-111,250— $07,500SEC↗
AMBA AMBARELLA INC M Exercise deriv2013-12-162013-12-18695— $01,389SEC↗
AMBA AMBARELLA INC M Exercise2013-12-162013-12-18695— $01,389SEC↗
SNDK SANDISK CORP M Exercise deriv2013-11-182013-11-1922,889— $00SEC↗
SNDK SANDISK CORP S Sale2013-11-182013-11-1922,889$69.44 $1.59M3,106SEC↗
SNDK SANDISK CORP M Exercise2013-11-182013-11-1922,889$18.14 $415.2K25,995SEC↗
FTNT FORTINET INC M Exercise deriv2013-11-082013-11-121,250— $013,750SEC↗
FTNT FORTINET INC M Exercise2013-11-082013-11-121,250— $06,250SEC↗
AMBA AMBARELLA INC M Exercise deriv2013-09-162013-09-18694— $02,084SEC↗
AMBA AMBARELLA INC M Exercise2013-09-162013-09-18694— $0694SEC↗
FTNT FORTINET INC A Award deriv2013-08-132013-08-155,300— $05,300SEC↗
SNDK SANDISK CORP M Exercise deriv2013-08-132013-08-152,111— $022,889SEC↗
SNDK SANDISK CORP S Sale2013-08-132013-08-1512,000$58.00 $696.0K3,106SEC↗
SNDK SANDISK CORP M Exercise2013-08-132013-08-152,111$18.14 $38.3K15,106SEC↗
FTNT FORTINET INC M Exercise deriv2013-08-082013-08-095,000— $015,000SEC↗
FTNT FORTINET INC M Exercise2013-08-082013-08-095,000— $05,000SEC↗
SNDK SANDISK CORP A Award deriv2013-06-122013-06-146,250— $06,250SEC↗
SNDK SANDISK CORP A Award2013-06-122013-06-141,356— $012,995SEC↗
AMBA AMBARELLA INC A Award deriv2013-06-062013-06-102,778— $02,778SEC↗
AMBA AMBARELLA INC A Award deriv2013-06-062013-06-105,555— $05,555SEC↗
IPHI INPHI Corp A Award2013-05-282013-05-307,575— $072,744SEC↗
SNDK SANDISK CORP S Sale2013-02-052013-02-0512,000$49.72 $596.6K11,639SEC↗
FTNT FORTINET INC A Award deriv2012-08-082012-08-0920,000— $020,000SEC↗
SNDK SANDISK CORP A Award deriv2012-06-122012-06-136,250— $06,250SEC↗
SNDK SANDISK CORP A Award2012-06-122012-06-132,269— $023,639SEC↗
IPHI INPHI Corp A Award2012-05-252012-06-049,445— $065,169SEC↗
IPHI INPHI Corp A Award2011-05-182018-02-063,982— $021,124SEC↗