MTSI
MACOM Technology Solutions Holdings, Inc. · Technology · Market cap $20.9B
Insiders sold $2.7M net in the last 90 days ·3 sellers, 0 buyers· 3 of 3 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 5, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$355.9M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 5, 2026
Roth Ambra R.
MACOM Technology Solutions Holdings, Inc. (MTSI) has 75 SEC Form 4 filings (241 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 5, 2026.
Inside the rolling window, 10 insiders at MACOM Technology Solutions Holdings, Inc. reported no open-market purchases and 48 open-market sales totaling $355.9M. The most active filer is 10% Owner OCAMPO SUSAN with 21 filings. Insiders have net sold $31.4M over the trailing 6 months. The most recent open-market filing is a sale of 653 shares by SVP, GC and Secretary Roth Ambra R., dated Oct 1, 2026, worth $196K.
- Industry:Semiconductors
- CEO:Stephen G. Daly
- Employees:2,000
- HQ:Lowell, MA, US
- IPO:2012-03-15
| Source | |||||||
|---|---|---|---|---|---|---|---|
Roth Ambra R.First in 11 months | SVP, GC and Secretary | Sale | 653 | $196K | Oct 5 | -16.8% | SEC ↗ |
Dennehy RobertFirst in 6 months | Senior VP and COO | Sale | 252 | $69K | Sep 1 | +4.2% | SEC ↗ |
Kober JohnFirst in 3 months | Senior VP and CFO | Sale | 7,389 | $2.4M | Aug 19 | +1.1% | SEC ↗ |
| SVP, Global Sales | Sale | 2,620 | $1.0M | Jun 29 | — | SEC ↗ | |
Daly Stephen GFirst in 6 months | President and CEO | Sale | 15,828 | $5.8M | Jun 2 | — | SEC ↗ |
| SVP, Global Sales | Sale | 2,595 | $936K | May 20 | — | SEC ↗ | |
Kober JohnFirst in 3 months | Senior VP and CFO | Sale | 7,644 | $2.7M | May 20 | — | SEC ↗ |
CHUNG PETER YFirst filing | Director | Sale | 43,268 | $16.4M | May 18 | — | SEC ↗ |
| Director | Sale | 800 | $304K | May 15 | — | SEC ↗ | |
| Director | Sale | 1,623 | $587K | May 13 | — | SEC ↗ | |
| SVP, Global Sales | Sale | 3,718 | $1.0M | May 4 | — | SEC ↗ | |
Dennehy RobertFirst filing | Senior VP and COO | Sale | 18,398 | $4.5M | Mar 2 | — | SEC ↗ |
RIBAR GEOFFREY GFirst filing | Director | Sale | 2,244 | $569K | Feb 27 | — | SEC ↗ |
Ritchie JohnFirst filing | Director | Sale | 1,573 | $401K | Feb 27 | — | SEC ↗ |
| 10% Owner | Sale | 53,509 | $13.4M | Feb 26 | — | SEC ↗ | |
| 10% Owner | Sale | 261,763 | $66.6M | Feb 26 | — | SEC ↗ | |
Kober JohnFirst in 3 months | Senior VP and CFO | Sale | 7,196 | $1.7M | Feb 19 | — | SEC ↗ |
| 10% Owner | Sale | 80,123 | $19.7M | Feb 19 | — | SEC ↗ | |
| 10% Owner | Sale | 3,156 | $789K | Feb 19 | — | SEC ↗ | |
| 10% Owner | Sale | 57,827 | $13.9M | Feb 17 | — | SEC ↗ | |
| 10% Owner | Sale | 62,050 | $15.0M | Feb 17 | — | SEC ↗ | |
| Director | Sale | 1,000 | $241K | Feb 17 | — | SEC ↗ | |
| 10% Owner | Sale | 100,000 | $23.6M | Feb 10 | — | SEC ↗ | |
| 10% Owner | Sale | 100,000 | $23.0M | Feb 5 | — | SEC ↗ | |
| SVP, Global Sales | Sale | 5,274 | $1.2M | Feb 4 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading MTSI 17 all-time
- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-07-16
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002026-07-15
- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-05-22
- DRep. Gilbert Ray CisnerosSale$1,001 - $15,0002026-05-22
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002026-01-20
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002025-11-13
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does MTSI have?
MACOM Technology Solutions Holdings, Inc. (MTSI) has 75 SEC Form 4 filings (241 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 5, 2026.
When was the most recent SEC Form 4 filing for MTSI?
The most recent Form 4 filing for MTSI on Tracefour is dated Oct 5, 2026.
Who is the most active insider at MTSI?
The most active SEC Form 4 filer at MTSI in the rolling window is 10% Owner OCAMPO SUSAN, with 21 filings.
What is the net insider flow at MTSI over the last 6 months?
Over the trailing 180 days, insiders at MTSI have net sold $31.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MTSI in the current window?
Inside the rolling window, insiders at MTSI bought $0 and sold $355.9M based on SEC Form 4 filings.
Can I get alerts for MTSI insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at MACOM Technology Solutions Holdings, Inc. (MTSI). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
MACOM Technology Solutions Holdings, Inc. is in the Technology sector.