MTSI
MACOM Technology Solutions Holdings, Inc.
Latest Form 4:Sale$2.4MbyKober John (Senior VP and CFO) · filed Aug 19, 2026
MACOM Technology Solutions Holdings, Inc. (MTSI) has 82 SEC Form 4 filings (265 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Aug 19, 2026.
The most active filer is 10% Owner OCAMPO SUSAN with 36 filings. Insiders have net sold $116.6M over the trailing 6 months.
- Industry:Semiconductors
- CEO:Stephen G. Daly
- Employees:1,700
- HQ:Lowell, MA, US
- IPO:2012-03-15
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$530.9M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Market Cap
$20.3B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Kober JohnFirst in 3 months | Senior VP and CFO | Sale | 7,389 | $2.4M | Aug 19 | 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 in 4 months | 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 ↗ | |
| 10% Owner | Sale | 121,067 | $23.0M | Dec 9 | SEC ↗ | |
| SVP, Global Sales | Sale | 4,372 | $812K | Dec 8 | SEC ↗ | |
| 10% Owner | Sale | 2,291 | $435K | Dec 5 | SEC ↗ | |
| 10% Owner | Sale | 76,642 | $14.6M | Dec 5 | SEC ↗ | |
| 10% Owner | Sale | 4,171 | $751K | Dec 4 | SEC ↗ | |
| 10% Owner | Sale | 95,829 | $17.3M | Dec 4 | SEC ↗ | |
| President and CEO | Sale | 20,000 | $3.5M | Dec 3 | SEC ↗ | |
| Director | Sale | 4,000 | $660K | Nov 26 | SEC ↗ | |
Hwang Donghyun ThomasFirst filing | SVP, Global Sales | Sale | 3,789 | $610K | Nov 21 | SEC ↗ |
Roth Ambra R.First filing | SVP, GC and Secretary | Sale | 17,268 | $2.8M | Nov 21 | SEC ↗ |
BLAND CHARLES RFirst filing | Director | Sale | 1,000 | $158K | Nov 18 | SEC ↗ |
Daly Stephen GFirst filing | President and CEO | Sale | 20,000 | $3.5M | Nov 13 | SEC ↗ |
| Senior VP and CFO | Sale | 972 | $171K | Nov 13 | SEC ↗ | |
| 10% Owner | Sale | 100,000 | $16.0M | Nov 12 | SEC ↗ | |
| 10% Owner | Sale | 56,711 | $9.6M | Nov 12 | SEC ↗ | |
| 10% Owner | Sale | 43,289 | $7.4M | Nov 12 | SEC ↗ | |
| Senior VP and CFO | Sale | 18,506 | $3.1M | Nov 10 | SEC ↗ | |
| 10% Owner | Sale | 124,515 | $18.4M | Oct 30 | SEC ↗ | |
| 10% Owner | Sale | 8,358 | $1.3M | Oct 30 | SEC ↗ | |
Kober JohnFirst filing | Senior VP and CFO | Sale | 1,497 | $218K | Oct 29 | SEC ↗ |
| 10% Owner | Sale | 1,862 | $263K | Oct 27 | SEC ↗ | |
| 10% Owner | Sale | 44,809 | $6.4M | Oct 27 | SEC ↗ | |
| 10% Owner | Sale | 60,705 | $8.9M | Oct 27 | SEC ↗ | |
| 10% Owner | Sale | 36,762 | $5.2M | Oct 22 | SEC ↗ | |
| SVP, Operations | Sale | 4,128 | $578K | Oct 20 | SEC ↗ | |
| 10% Owner | Sale | 53,104 | $7.1M | Oct 16 | SEC ↗ | |
| 10% Owner | Sale | 150,000 | $20.4M | Oct 16 | SEC ↗ | |
| 10% Owner | Sale | 102,261 | $14.3M | Oct 16 | SEC ↗ | |
| 10% Owner | Sale | 62,476 | $8.3M | Oct 9 | SEC ↗ | |
| 10% Owner | Sale | 150,000 | $20.0M | Oct 9 | SEC ↗ | |
Dennehy RobertFirst filing | SVP, Operations | Sale | 5,000 | $636K | Oct 6 | SEC ↗ |
| 10% Owner | Sale | 150,000 | $20.0M | Sep 22 | SEC ↗ | |
| 10% Owner | Sale | 150,424 | $19.9M | Sep 17 | SEC ↗ | |
| 10% Owner | Sale | 62,435 | $8.3M | Sep 17 | SEC ↗ | |
| 10% Owner | Sale | 50,361 | $6.7M | Sep 12 | SEC ↗ | |
| 10% Owner | Sale | 80,891 | $10.7M | Sep 12 | SEC ↗ | |
| 10% Owner | Sale | 89,868 | $11.9M | Sep 12 | SEC ↗ | |
OCAMPO SUSANFirst filing | 10% Owner | Sale | 113,275 | $14.9M | Sep 9 | SEC ↗ |
OCAMPO SUSANFirst filing | 10% Owner | Sale | 3,195 | $422K | Sep 9 | SEC ↗ |
OCAMPO SUSANFirst filing | 10% Owner | Sale | 45,986 | $6.0M | Sep 9 | SEC ↗ |
Congress trading MTSI
See timeline →- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-05-22
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Related companies
MACOM Technology Solutions Holdings, Inc. is in the Technology sector.