MTSI Stock: Insider Activity, Filings & Research
Drillr aggregates AI research, SEC filings, earnings signals and alt-data for MTSI.
Insider Activity
Over the trailing 90 days, insiders recorded 0 open-market purchases and 38 sales, a net selling of $26.1M. The largest was CHUNG PETER Y (director) selling $16.4M. The stock gained 58.6% over three months. Institutional holders were net accumulators over recent 13F filings. Insider sentiment scores 0/100.
Updated Jun 4, 2026 · based on SEC Form 4 filings · not investment advice
Sentiment
0/100
Buys (3m)
0
Sells (3m)
38
Net (3m)
-$26.1M
Insider trades by month Buys Sells
Nov
Dec
Feb
Mar
May
Jun
Context3-month price +58.6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 200 | $375.10 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 149 | $389.40 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 600 | $367.95 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 400 | $360.49 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 2,075 | $363.87 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 904 | $362.02 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 2,200 | $359.37 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 100 | $380.98 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 1,500 | $358.44 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 2,820 | $364.89 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 551 | $388.38 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 2,429 | $362.94 |
| Jun 2, 2026 | Daly Stephen Gdirector, officer: President and CEO | Sell | 300 | $366.46 |
| May 20, 2026 | Kober Johnofficer: Senior VP and CFO | Sell | 800 | $353.81 |
| May 20, 2026 | Kober Johnofficer: Senior VP and CFO | Sell | 200 | $377.70 |
Source: MTSI SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
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