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Monolithic Power Systems, Inc. (MPWR) Forms 3, 4 and 5: Stock Options, 2012

Monolithic Power Systems, Inc. Forms 3, 4 and 5: Stock Options

Statements of beneficial ownership filed with the SEC by officers, directors and 10% owners: 38 rows in 2012. Transaction codes are the SEC's. Shares and prices are split-adjusted; the as-filed figure is underneath.

  • 2012-12-05: Reporting owner Rao Meera; Form 4; Security Non-Qualified Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
  • 2012-11-30: Reporting owner Lee Victor K; Form 4; Security Non-Qualified Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
  • 2012-11-29: Reporting owner Rao Meera; Form 4; Security Non-Qualified Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
  • 2012-11-29: Reporting owner Tseng Saria; Form 4; Security Non-Qualified Stock Option (right to buy); Transaction M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3.
Transaction dateReporting ownerFormSecurityTransactionSharesPricePrice that dayFiling
2012-12-05Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−500
30,367 owned after
$13.53
exercise price
$21.462012-12-07
2012-11-30Lee Victor K
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−5,000
15,000 owned after
$9.68
exercise price
$21.162012-12-03
2012-11-29Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−1,000
30,867 owned after
$13.53
exercise price
$21.122012-12-03
2012-11-29Tseng Saria
Officer (VP & General Counsel)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−20,000
19,001 owned after
$8.00
exercise price
$21.122012-12-03
2012-11-29Lee Victor K
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−5,000
25,000 owned after
$9.68
exercise price
$21.122012-12-03
2012-11-29Lee Victor K
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−5,000
20,000 owned after
$9.68
exercise price
$21.122012-12-03
2012-09-06Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−500
31,867 owned after
$13.53
exercise price
$21.032012-09-06
2012-08-29CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−2,000
2,000 owned after
$20.20
exercise price
$21.882012-08-30
2012-08-27Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−23,760
46,936 owned after
$10.91
exercise price
$22.552012-08-29
2012-08-27Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−4,133
32,367 owned after
$13.53
exercise price
$22.552012-08-29
2012-08-27CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−9,500
4,000 owned after
$20.20
exercise price
$22.552012-08-29
2012-08-27SMITH- PILKINGTON KAREN A
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−25,000
0 owned after
$12.86
exercise price
$22.552012-08-29
2012-08-24CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−8,500
13,500 owned after
$20.20
exercise price
$22.502012-08-24
2012-08-23CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−3,000
22,000 owned after
$20.20
exercise price
$22.082012-08-24
2012-08-22CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−4,000
0 owned after
$7.51
exercise price
$22.032012-08-23
2012-08-21CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−11,000
4,000 owned after
$7.51
exercise price
$21.922012-08-23
2012-08-16CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−15,000
0 owned after
$12.16
exercise price
$21.842012-08-17
2012-08-16CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−3,000
0 owned after
$12.86
exercise price
$21.842012-08-17
2012-08-16Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Incentive Stock Option (right to buy)
Derivative · Indirect · by Spouse
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−4,688
0 owned after
$16.00
exercise price
$21.842012-08-17
2012-08-16Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Non-Qualified Stock Option (right to buy)
Derivative · Indirect · by Spouse
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−10,312
0 owned after
$16.00
exercise price
$21.842012-08-17
2012-08-14CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−2,000
3,000 owned after
$12.86
exercise price
$21.022012-08-15
2012-08-10CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−8,000
5,000 owned after
$12.86
exercise price
$21.102012-08-10
2012-08-09Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Incentive Stock Option (right to buy)
Derivative · Indirect · by Spouse
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−41,329
0 owned after
$8.05
exercise price
$21.142012-08-10
2012-08-09Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Non-Qualified Stock Option (right to buy)
Derivative · Indirect · by Spouse
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−12,108
0 owned after
$8.05
exercise price
$21.142012-08-10
2012-08-09Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−1,500
36,500 owned after
$13.53
exercise price
$21.142012-08-10
2012-08-09CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−12,000
13,000 owned after
$12.86
exercise price
$21.142012-08-10
2012-07-05Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Non-Qualified Stock Option (right to buy)
Derivative · Indirect · by Spouse
S Open market or private sale of non-derivative or derivative security−11,563
12,108 owned after
$20.90$20.892012-07-09
2012-05-09Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−500
38,000 owned after
$13.53
exercise price
$20.862012-05-09
2012-05-01Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−17,100
38,500 owned after
$21.95$21.382012-05-02
2012-05-01Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−2,381
0 owned after
$5.00
exercise price
$21.382012-05-02
2012-04-30Rao Meera
Officer (CFO)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−11,400
55,600 owned after
$13.53
exercise price
$20.722012-05-02
2012-04-30Xiao Deming
Officer (Pres. of MPS Asia Operations)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−44,494
2,381 owned after
$5.00
exercise price
$20.722012-05-02
2012-02-29CHANG KUO WEI HERBERT
Director
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−15,000
0 owned after
$16.97
exercise price
$18.592012-02-29
2012-02-28Tseng Saria
Officer (VP & General Counsel)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−6,747
0 owned after
$8.00
exercise price
$19.272012-02-29
2012-02-28Tseng Saria
Officer (VP & General Counsel)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−10,000
39,001 owned after
$8.00
exercise price
$19.272012-02-29
2012-02-24Ueunten Paul
Officer (Sr. V.P. Design Engineering)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−19,238
0 owned after
$9.32
exercise price
$19.002012-02-27
2012-02-24Ueunten Paul
Officer (Sr. V.P. Design Engineering)
4Non-Qualified Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−30,000
762 owned after
$9.32
exercise price
$19.002012-02-27
2012-01-10Ueunten Paul
Officer (Sr. V.P. Design Engineering)
4Incentive Stock Option (right to buy)
Derivative · Direct
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3−14,000
0 owned after
$1.20
exercise price
$15.632012-01-10

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