QUODD

Insider Transactions last 24 months for Monolithic Power Systems, Inc. - NSDQ: MPWR

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Tseng Saria	EVP & General Counsel	09/18/2025	DS	Direct	COM	14,510	$914.45	$13,268,669.50	144,494
Martinez Carintia	Director	09/18/2025	DS	Direct	COM	1,400	$900.00	$1,260,000.00	878
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	126	$822.59	$103,646.34	40,939
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	200	$821.75	$164,350.00	41,065
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	200	$820.70	$164,140.00	41,265
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$818.44	$81,844.00	41,465
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	574	$816.47	$468,653.78	41,565
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	400	$815.39	$326,156.00	42,139
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	200	$814.75	$162,950.00	42,539
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$813.09	$81,309.00	42,739
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$812.84	$81,284.00	42,839
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	500	$811.45	$405,725.00	42,939
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$808.53	$80,853.00	43,439
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	200	$806.57	$161,314.00	43,539
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$804.64	$80,464.00	43,739
Blegen Theodore	EVP and CFO	09/02/2025	DS	Direct	COM	100	$803.43	$80,343.00	43,839
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	800	$849.41	$679,528.00	17,213
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	100	$848.03	$84,803.00	18,013
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	900	$847.30	$762,570.00	18,113
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	700	$846.66	$592,662.00	19,013
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	700	$845.54	$591,878.00	19,713
Elmiger Eugen J	Director	08/29/2025	DS	Direct	COM	800	$844.25	$675,400.00	20,413
Zhou Jeff	Director	08/27/2025	DS	Direct	COM	193	$870.00	$167,910.00	5,611
Sciammas Maurice	EVP, WW Sales & Marketing	08/19/2025	AG	Indirect	COM	1,499	$0.00	$0.00	1,499
Sciammas Maurice	EVP, WW Sales & Marketing	08/19/2025	DG	Indirect	COM	1,499	$0.00	$0.00	12,228

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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