Insider Monitor Realtime Top 10
  1. Company List - M
  2. MEMS

Insider Trading activities at Memsic Inc (MEMS)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Memsic Inc (MEMS) since 2010 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Memsic Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1386198.

Total stock buying since 2010: $1,155,060.
Total stock sales since 2010: $14,658,812.
Total stock option exercises since 2010: $32,200.

▪ Recent SEC 13D filings for all companies
▪ Recent portfolio reports of all companies


10 insiders reported insider trading activities at Memsic Inc (MEMS):
▪ Insider trading activities of Investar Semiconductor Development Fund Inc
▪ Insider trading activities of Zhao Yang
▪ Insider trading activities of Zhou Quan
▪ Insider trading activities of Zavracky Paul M
▪ Insider trading activities of Niu Patricia
▪ Insider trading activities of Blethen Roger W
▪ Insider trading activities of Tung Michael
▪ Insider trading activities of Ameriprise Financial Inc
▪ Insider trading activities of Seligman Spectrum Focus (master) Fund
▪ Insider trading activities of Kaufman Lawrence A.

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Memsic Inc (MEMS).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2013 0 $0 3,157,983 $13,342,474 35,000 $32,200
2012 0 $0 20,000 $100,000 0 $0
2011 192,430 $542,605 100,000 $325,524 0 $0
2010 193,422 $612,455 357,210 $890,814 0 $0

Table 2. Monthly summary of insider trading at Memsic Inc (MEMS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2013-09 0 $0 3,157,983 $13,342,474 0 $0
2013-07 0 $0 0 $0 35,000 $32,200
2012-03 0 $0 20,000 $100,000 0 $0
2011-12 6,000 $16,248 7,000 $18,440 0 $0
2011-11 37,000 $107,005 3,000 $8,600 0 $0
2011-10 42,000 $91,160 0 $0 0 $0
2011-08 16,830 $42,342 10,000 $25,788 0 $0
2011-06 1,400 $4,870 0 $0 0 $0
2011-04 0 $0 14,000 $49,706 0 $0
2011-03 0 $0 34,500 $113,270 0 $0
2011-02 89,200 $280,980 1,500 $4,720 0 $0
2011-01 0 $0 30,000 $105,000 0 $0
2010-11 22,422 $50,001 22,422 $50,001 0 $0
2010-10 0 $0 3,500 $8,153 0 $0
2010-09 0 $0 31,500 $72,767 0 $0
2010-08 0 $0 15,000 $34,929 0 $0
2010-06 200 $450 261,968 $662,282 0 $0
2010-05 170,800 $562,004 22,820 $62,682 0 $0

Table 3. Detailed insider trading at Memsic Inc (MEMS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2013-09-17 Zhou Quan (Director) Sale 40,000 4.22 169,000
2013-09-17 Kaufman Lawrence A. (Director) Sale 30,000 4.22 126,749
2013-09-17 Zhao Yang (Chief Executive Officer) Sale 485,654 4.22 2,051,888
2013-09-17 Niu Patricia (Chief Financial Officer) Sale 107,185 4.22 452,856
2013-09-17 Tung Michael (Director) Sale 2,387,620 4.22 10,087,694
2013-09-17 Zavracky Paul M (President, NA & EU Operations) Sale 77,524 4.22 327,538
2013-09-17 Blethen Roger W (Director) Sale 30,000 4.22 126,749
2013-07-05 Niu Patricia (Chief Financial Officer) Option Ex 35,000 .92 32,200
2012-03-16 Zhao Yang (Chief Executive Officer) Sale 20,000 5.00 100,000
2011-12-19 Seligman Spectrum Focus (master) Fund Buy 700 2.75 1,925
2011-12-13 Seligman Spectrum Focus (master) Fund Buy 2,900 2.74 7,954
2011-12-12 Seligman Spectrum Focus (master) Fund Buy 2,400 2.65 6,369
2011-12-09 Zhao Yang (Chief Executive Officer) Sale 1,000 2.55 2,550
2011-12-08 Zhao Yang (Chief Executive Officer) Sale 1,000 2.57 2,570
2011-12-07 Zhao Yang (Chief Executive Officer) Sale 1,000 2.55 2,550
2011-12-06 Zhao Yang (Chief Executive Officer) Sale 1,000 2.56 2,560
2011-12-05 Zhao Yang (Chief Executive Officer) Sale 1,000 2.64 2,640
2011-12-02 Zhao Yang (Chief Executive Officer) Sale 1,000 2.77 2,770
2011-12-01 Zhao Yang (Chief Executive Officer) Sale 1,000 2.80 2,800
2011-11-30 Zhao Yang (Chief Executive Officer) Sale 1,000 2.83 2,830
2011-11-29 Zhao Yang (Chief Executive Officer) Sale 1,000 2.90 2,900
2011-11-29 Seligman Spectrum Focus (master) Fund Buy 6,400 2.90 18,560
2011-11-28 Zhao Yang (Chief Executive Officer) Sale 1,000 2.87 2,870
2011-11-28 Seligman Spectrum Focus (master) Fund Buy 20,700 2.89 59,760
2011-11-25 Seligman Spectrum Focus (master) Fund Buy 8,100 2.90 23,465
2011-11-08 Seligman Spectrum Focus (master) Fund Buy 1,800 2.90 5,220
2011-10-13 Seligman Spectrum Focus (master) Fund Buy 1,200 2.15 2,580
2011-10-05 Seligman Spectrum Focus (master) Fund Buy 35,771 2.16 77,265
2011-10-04 Seligman Spectrum Focus (master) Fund Buy 5,029 2.25 11,315
2011-08-31 Zhao Yang (Chief Executive Officer) Sale 1,000 2.65 2,645
2011-08-30 Zhao Yang (Chief Executive Officer) Sale 1,500 2.62 3,936
2011-08-29 Zhao Yang (Chief Executive Officer) Sale 1,500 2.65 3,979
2011-08-26 Zhao Yang (Chief Executive Officer) Sale 1,500 2.72 4,081
2011-08-25 Zhao Yang (Chief Executive Officer) Sale 1,500 2.75 4,123
2011-08-24 Zhao Yang (Chief Executive Officer) Sale 1,500 2.41 3,619
2011-08-23 Zhao Yang (Chief Executive Officer) Sale 1,500 2.27 3,405
2011-08-23 Seligman Spectrum Focus (master) Fund Buy 190 2.25 427
2011-08-10 Seligman Spectrum Focus (master) Fund Buy 440 2.25 990
2011-08-08 Seligman Spectrum Focus (master) Fund Buy 100 2.25 225
2011-08-05 Seligman Spectrum Focus (master) Fund Buy 16,100 2.53 40,700
2011-06-24 Seligman Spectrum Focus (master) Fund Buy 300 2.80 840
2011-06-23 Seligman Spectrum Focus (master) Fund Buy 100 2.80 280
2011-06-21 Seligman Spectrum Focus (master) Fund Buy 1,000 3.75 3,750
2011-04-14 Zhao Yang (Chief Executive Officer) Sale 500 3.55 1,774
2011-04-13 Zhao Yang (Chief Executive Officer) Sale 1,500 3.58 5,373
2011-04-12 Zhao Yang (Chief Executive Officer) Sale 1,500 3.54 5,317
2011-04-11 Zhao Yang (Chief Executive Officer) Sale 1,500 3.59 5,380
2011-04-08 Zhao Yang (Chief Executive Officer) Sale 1,500 3.63 5,440
2011-04-07 Zhao Yang (Chief Executive Officer) Sale 1,500 3.60 5,403
2011-04-06 Zhao Yang (Chief Executive Officer) Sale 1,500 3.61 5,415
2011-04-05 Zhao Yang (Chief Executive Officer) Sale 1,500 3.45 5,181
2011-04-04 Zhao Yang (Chief Executive Officer) Sale 1,500 3.43 5,149
2011-04-01 Zhao Yang (Chief Executive Officer) Sale 1,500 3.52 5,274
2011-03-31 Zhao Yang (Chief Executive Officer) Sale 1,500 3.63 5,440
2011-03-30 Zhao Yang (Chief Executive Officer) Sale 1,500 3.63 5,439
2011-03-29 Zhao Yang (Chief Executive Officer) Sale 1,500 3.52 5,283
2011-03-28 Zhao Yang (Chief Executive Officer) Sale 1,500 3.47 5,205
2011-03-25 Zhao Yang (Chief Executive Officer) Sale 1,500 3.40 5,106
2011-03-24 Zhao Yang (Chief Executive Officer) Sale 1,500 3.41 5,121
2011-03-23 Zhao Yang (Chief Executive Officer) Sale 1,500 3.36 5,046
2011-03-22 Zhao Yang (Chief Executive Officer) Sale 1,500 3.30 4,953
2011-03-21 Zhao Yang (Chief Executive Officer) Sale 1,500 3.16 4,738
2011-03-18 Zhao Yang (Chief Executive Officer) Sale 1,500 3.09 4,636
2011-03-17 Zhao Yang (Chief Executive Officer) Sale 1,500 3.15 4,726
2011-03-16 Zhao Yang (Chief Executive Officer) Sale 1,500 3.04 4,566
2011-03-15 Zhao Yang (Chief Executive Officer) Sale 1,500 3.02 4,531
2011-03-14 Zhao Yang (Chief Executive Officer) Sale 1,500 3.17 4,749
2011-03-11 Zhao Yang (Chief Executive Officer) Sale 1,500 3.17 4,752
2011-03-10 Zhao Yang (Chief Executive Officer) Sale 1,500 3.27 4,897
2011-03-09 Zhao Yang (Chief Executive Officer) Sale 1,500 3.39 5,085
2011-03-08 Zhao Yang (Chief Executive Officer) Sale 1,500 3.39 5,080
2011-03-07 Zhao Yang (Chief Executive Officer) Sale 1,500 3.40 5,094
2011-03-04 Zhao Yang (Chief Executive Officer) Sale 1,500 3.16 4,746
2011-03-03 Zhao Yang (Chief Executive Officer) Sale 1,500 3.16 4,744
2011-03-02 Zhao Yang (Chief Executive Officer) Sale 1,500 3.12 4,686
2011-03-01 Zhao Yang (Chief Executive Officer) Sale 1,500 3.10 4,647
2011-02-28 Zhao Yang (Chief Executive Officer) Sale 1,500 3.15 4,720
2011-02-28 Seligman Spectrum Focus (master) Fund Buy 89,200 3.15 280,980
2011-01-14 Zhao Yang (Chief Executive Officer) Sale 30,000 3.50 105,000
2010-11-01 Zhao Yang (Chief Executive Officer) Sale 22,422 2.23 50,001
2010-11-01 Zavracky Paul M (Director) Buy 22,422 2.23 50,001
2010-10-05 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 500 2.33 1,165
2010-10-04 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.30 3,451
2010-10-01 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.36 3,537
2010-09-30 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.33 3,495
2010-09-29 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.38 3,568
2010-09-28 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.37 3,549
2010-09-27 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.35 3,528
2010-09-24 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.31 3,465
2010-09-23 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.28 3,413
2010-09-22 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.23 3,349
2010-09-21 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.24 3,357
2010-09-20 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.25 3,381
2010-09-17 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.29 3,442
2010-09-16 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.30 3,449
2010-09-15 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.34 3,510
2010-09-14 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.32 3,484
2010-09-13 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.30 3,449
2010-09-10 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.29 3,442
2010-09-09 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.31 3,465
2010-09-08 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.32 3,484
2010-09-07 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.31 3,469
2010-09-03 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.34 3,514
2010-09-02 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.33 3,501
2010-09-01 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.30 3,453
2010-08-31 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.30 3,447
2010-08-30 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.24 3,358
2010-08-27 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.25 3,370
2010-08-26 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.25 3,381
2010-08-25 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.34 3,504
2010-08-24 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.37 3,547
2010-08-23 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.38 3,565
2010-08-20 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.35 3,528
2010-08-19 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.40 3,607
2010-08-18 Zhao Yang (CHIEF EXECUTIVE OFFICER) Sale 1,500 2.42 3,622
2010-06-10 Tung Michael (Director) Sale 16,000 2.29 36,608
2010-06-10 Seligman Spectrum Focus (master) Fund Buy 100 2.25 225
2010-06-10 Ameriprise Financial Inc Buy 100 2.25 225
2010-06-09 Tung Michael (Director) Sale 25,000 2.30 57,599
2010-06-09 Investar Semiconductor Development Fund Inc (10% Owner) Sale 25,000 2.30 57,599
2010-06-08 Tung Michael (Director) Sale 18,347 2.44 44,785
2010-06-08 Investar Semiconductor Development Fund Inc (10% Owner) Sale 18,347 2.44 44,785
2010-06-07 Tung Michael (Director) Sale 25,000 2.50 62,600
2010-06-07 Investar Semiconductor Development Fund Inc (10% Owner) Sale 25,000 2.50 62,600
2010-06-04 Tung Michael (Director) Sale 4,612 2.61 12,046
2010-06-04 Investar Semiconductor Development Fund Inc (10% Owner) Sale 4,612 2.61 12,046
2010-06-03 Tung Michael (Director) Sale 18,107 2.70 48,852
2010-06-03 Investar Semiconductor Development Fund Inc (10% Owner) Sale 18,107 2.70 48,852
2010-06-02 Tung Michael (Director) Sale 21,103 2.70 57,041
2010-06-02 Investar Semiconductor Development Fund Inc (10% Owner) Sale 21,103 2.70 57,041
2010-06-01 Tung Michael (Director) Sale 10,815 2.77 29,914
2010-06-01 Investar Semiconductor Development Fund Inc (10% Owner) Sale 10,815 2.77 29,914
2010-05-28 Tung Michael (Director) Sale 5,000 2.73 13,635
2010-05-28 Investar Semiconductor Development Fund Inc (10% Owner) Sale 5,000 2.73 13,635
2010-05-27 Tung Michael (Director) Sale 5,000 2.69 13,445
2010-05-27 Investar Semiconductor Development Fund Inc (10% Owner) Sale 5,000 2.69 13,445
2010-05-24 Tung Michael (Director) Sale 1,410 3.02 4,261
2010-05-24 Investar Semiconductor Development Fund Inc (10% Owner) Sale 1,410 3.02 4,261
2010-05-12 Seligman Spectrum Focus (master) Fund Buy 7,900 3.25 25,667
2010-05-12 Ameriprise Financial Inc Buy 8,400 3.25 27,291
2010-05-11 Seligman Spectrum Focus (master) Fund Buy 21,200 3.25 68,878
2010-05-11 Ameriprise Financial Inc Buy 22,700 3.25 73,752
2010-05-10 Seligman Spectrum Focus (master) Fund Buy 7,100 3.33 23,628
2010-05-10 Ameriprise Financial Inc Buy 53,000 3.32 175,748
2010-05-07 Seligman Spectrum Focus (master) Fund Buy 2,200 3.26 7,163
2010-05-07 Ameriprise Financial Inc Buy 12,500 3.26 40,700
2010-05-06 Seligman Spectrum Focus (master) Fund Buy 5,300 3.33 17,643
2010-05-06 Ameriprise Financial Inc Buy 30,500 3.33 101,534

Insider trading activities including stock purchases, stock sales, and option exercises of MEMS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Memsic Inc (symbol MEMS, CIK number 1386198) see the Securities and Exchange Commission (SEC) website.



▪ Real-time Insider Trading

▪ Insider Officer Cluster Trading

▪ Top Officer Buys of the Week

▪ Top Officer Buys of the Month




©2023, insider-monitor.com. All rights reserved.