Company profile
MACOM Technology Solutions Holdings, Inc. Insider Trading
MTSIEvery SEC Form 4 insider trading filing for MACOM Technology Solutions Holdings, Inc. (MTSI) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Semiconductors & Related Devices
- CIK
- 0001493594
- Filings
- 247
- Insiders
- 16
- Last filing
- 2026-08-28
Activity summary
No discretionary insider buying or selling in the last 30 days. The 1 transaction filed was made under a 10b5-1 plan, scheduled in advance rather than decided on the day.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. MACOM Technology Solutions Holdings, Inc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $240.5M.
90 day insight
Over the last 90 days, MACOM Technology Solutions Holdings, Inc. insiders filed 21 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Donghyun Thomas Hwang with 12 transactions totaling $1.0M.
- Largest single sale: $557K by John Kober on Aug 17, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | Robert Dennehy | MTSI | Sale10b5 | 252 | $275.20 | $69K |
| Aug 17, 2026 | John Kober | MTSI | Sale10b5 | 900 | $325.26 | $293K |
| Aug 17, 2026 | John Kober | MTSI | Sale10b5 | 1,590 | $320.57 | $510K |
| Aug 17, 2026 | John Kober | MTSI | Sale10b5 | 1,699 | $327.78 | $557K |
| Aug 17, 2026 | John Kober | MTSI | Sale10b5 | 300 | $329.75 | $99K |
45 more transactions hidden
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Query this yourself
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of MACOM Technology Solutions Holdings, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →