🕵️ Macom Technology Solutions Holdings, Inc. ($MTSI)
SEC insider & ownership activity, last 12 months · CIK 1493594 · every row links its SEC filing
Over the last 12 months insiders sold $480.3M with no open-market buying against it. Ocampo Susan sold $423.7M through a program of 25 sale notices averaging $32.2M (Sep–Feb). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 10 sellers, $480.3M (196 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Ocampo Susan | 0 | – | 40 | $423.7M | Feb 25, 2026 |
| Peter Chung | 0 | – | 1 | $16.4M | May 14, 2026 |
| Stephen G. Daly | 0 | – | 34 | $12.8M | May 29, 2026 |
| John F. Kober Ill | 0 | – | 41 | $10.4M | Aug 17, 2026 |
| Dennehy Robert | 0 | – | 13 | $5.8M | Aug 28, 2026 |
| Hwang Donghyun Thomas | 0 | – | 54 | $5.6M | Jun 25, 2026 |
| Ambra Roth | 0 | – | 6 | $2.8M | Nov 19, 2025 |
| Charles Bland | 0 | – | 4 | $1.4M | May 13, 2026 |
| Geoffrey G. Ribar | 0 | – | 2 | $1.2M | May 11, 2026 |
| John Ritchie | 0 | – | 1 | $401K | Feb 25, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 14.1% | 13G | May 6, 2026 | filing ↗ | |
| Abigail P. Johnson | 14.1% | 13G | May 6, 2026 | filing ↗ | |
| BlackRock, Inc. | 10.4% | 13G | Jul 8, 2026 | filing ↗ | |
| Susan M. Ocampo | 6.4% | 13G | Aug 12, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Robert Dennehy | $70K | Aug 28, 2026 | filing ↗ |
| Stephen Daly | $6.2M | May 29, 2026 | filing ↗ |
| Ocampo Susan | $78.3M | May 26, 2026 | filing ↗ |
| John F. Kober Ill | $5.6M | May 18, 2026 | filing ↗ |
| Peter Chung | $16.4M | May 14, 2026 | filing ↗ |
| Ocampo Susan | $38.0M | May 13, 2026 | filing ↗ |
| Charles Bland | $287K | May 12, 2026 | filing ↗ |
| Geoffrey Ribar | $587K | May 11, 2026 | filing ↗ |
| Ocampo Susan | $72.2M | May 11, 2026 | filing ↗ |
| Ocampo Susan | $8.8M | May 8, 2026 | filing ↗ |
| Ocampo Susan | $132.7M | May 7, 2026 | filing ↗ |
| Ocampo Susan | $54.5M | May 6, 2026 | filing ↗ |
| Donghyun Thomas Hwang | $2.4M | Apr 30, 2026 | filing ↗ |
| Ocampo Susan | $29.0M | Apr 24, 2026 | filing ↗ |
| Ocampo Susan | $19.0M | Apr 21, 2026 | filing ↗ |
| Susan Ocampo | $24.3M | Apr 17, 2026 | filing ↗ |
| Susan Ocampo | $26.1M | Apr 16, 2026 | filing ↗ |
| Susan Ocampo | $19.9M | Apr 15, 2026 | filing ↗ |
| Susan Ocampo | $16.3M | Apr 14, 2026 | filing ↗ |
| Susan Ocampo | $26.4M | Apr 13, 2026 | filing ↗ |
| Susan Ocampo | $3.9M | Apr 10, 2026 | filing ↗ |
| Ocampo Susan | $49.0M | Apr 8, 2026 | filing ↗ |
| Ocampo Susan | $24.5M | Mar 25, 2026 | filing ↗ |
| Ocampo Susan | $50.5M | Mar 2, 2026 | filing ↗ |
| Robert B. Dennehy | $4.7M | Feb 26, 2026 | filing ↗ |
| John Ritchie | $401K | Feb 25, 2026 | filing ↗ |
| Geoffrey Ribar | $569K | Feb 25, 2026 | filing ↗ |
| Ocampo Susan | $66.6M | Feb 25, 2026 | filing ↗ |
| Ocampo Susan | $13.4M | Feb 24, 2026 | filing ↗ |
| Ocampo Susan | $789K | Feb 18, 2026 | filing ↗ |
| John F. Kober III | $1.8M | Feb 17, 2026 | filing ↗ |
| Ocampo Susan | $19.7M | Feb 17, 2026 | filing ↗ |
| Ocampo Susan | $4.9M | Feb 13, 2026 | filing ↗ |
| Ocampo Susan | $10.1M | Feb 13, 2026 | filing ↗ |
| Ocampo Susan | $13.9M | Feb 12, 2026 | filing ↗ |
| Charles Bland | $230K | Feb 10, 2026 | filing ↗ |
| Ocampo Susan | $23.6M | Feb 6, 2026 | filing ↗ |
| Ocampo Susan | $23.0M | Feb 3, 2026 | filing ↗ |
| Ocampo Susan | $23.0M | Dec 9, 2025 | filing ↗ |
| Ocampo Susan | $14.6M | Dec 4, 2025 | filing ↗ |
| Ocampo Susan | $435K | Dec 4, 2025 | filing ↗ |
| Stephen Daly | $3.5M | Dec 1, 2025 | filing ↗ |
| Donghyun Hwang | $2.1M | Nov 19, 2025 | filing ↗ |
| Ambra Roth | $2.7M | Nov 19, 2025 | filing ↗ |
| Charles Bland | $866K | Nov 10, 2025 | filing ↗ |
| Stephen Daly | $3.4M | Nov 10, 2025 | filing ↗ |
| John F. Kober III | $165K | Nov 10, 2025 | filing ↗ |
| Ocampo Susan | $25.3M | Nov 10, 2025 | filing ↗ |
| John F. Kober III | $3.1M | Nov 7, 2025 | filing ↗ |
| Ocampo Susan | $9.5M | Nov 7, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Earnings (2.02) | Feb 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 12, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 25, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 25, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 25, 2025 | filing ↗ |
| Earnings (2.02) | Nov 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 6, 2025 | filing ↗ |