Senior insider sale
Sr. V.P.of Sales and Marketing at MONOLITHIC POWER SYSTEMS INC — senior position signals high conviction
$19.45M
12.47K shares
What this filing means
SCIAMMAS MAURICE plans to sell 12.47K shares of MONOLITHIC POWER SYSTEMS INC valued at approximately $19.45M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 5/15/2026ACC: 0001950047-26-004639
Officer· Sr. V.P.of Sales and Marketing
Since Aug 2018
12.47K
Shares to sell
$19.45M
Approx. market value
12K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
Performance Shares
Not Applicable
10/25/2025
12KTotal acquired12K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
10/25/2025 | Performance Shares Not Applicable | 12K | — |
| Total | 12K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
380.00
Market value
$601.8K
5/5/2026
—Completed
Units to sell
30.00
Market value
$47.7K
5/4/2026
—Completed
Units to sell
30.00
Market value
$33.5K
4/1/2026
—Completed
Units to sell
30.00
Market value
$32.9K
3/20/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
12K
Market value
$18.74M
5/15/2026
Total
Units
12.47K
Value
$19.45M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
5/5/2026 | 380.00 | $601.8K | — | Completed |
5/4/2026 | 30.00 | $47.7K | — | Completed |
4/1/2026 | 30.00 | $33.5K | — | Completed |
3/20/2026 | 30.00 | $32.9K | — | Completed |
| Planned — Approximate Date | ||||
5/15/2026 | 12K | $18.74M | NASDAQ | Planned |
| Total | 12.47K | $19.45M | ||