MACOM (MTSI) insider trading
14 directors and officers declare holding shares of MACOM (MTSI), each in their own filing with the SEC. The largest is Susan Ocampo (10% owner) with 7.1M shares, 9.3% of the company, worth $2.3B at the last close. The most recent move on file: Ambra R. Roth sold 653 shares at $300.00 on Oct 1, 2026. Of the 14 with a trade on file, 4 last bought and 10 last sold. Purchases and sales are as reported on Forms 3, 4 and 5 — the SEC counts private transactions too, and many large sales follow a plan arranged in advance. Holdings are never added up: two spouses often report the same shares, and a joint filing carries a fund's.
| Insider | Role | Shares | % of company | Value | Last trade on file | Filed |
|---|---|---|---|---|---|---|
| Susan Ocampo | 10% owner | 7.1M | 9.3% | $2.3B | sold 315,272 shares at $250.08 on Feb 24, 2026 | Feb 25, 2026 |
| Stephen G. Daly | President and CEO · Director | 38,389 | 0.05% | $12.7M | sold 15,828 shares at $358.44 on May 29, 2026 | May 29, 2026 |
| John Kober | Senior VP and CFO | 33,583 | 0.04% | $11.1M | sold 7,389 shares at $320.57 on Aug 17, 2026 | Aug 17, 2026 |
| Donghyun Thomas Hwang | SVP, Global Sales | 29,756 | 0.04% | $9.8M | sold 2,620 shares at $367.30 on Jun 25, 2026 | Jun 25, 2026 |
| Wayne Mack Struble | SVP, Advanced Semiconductor | 29,384 | 0.04% | $9.7M | bought 20,988 shares on Nov 6, 2025 | Nov 8, 2025 |
| Charles R. Bland | Director | 13,638 | 0.02% | $4.5M | sold 700 shares on May 18, 2026 | May 19, 2026 |
| Robert Dennehy | Senior VP and COO | 12,758 | 0.02% | $4.2M | sold 252 shares at $275.20 on Aug 28, 2026 | Aug 28, 2026 |
| Geoffrey G. Ribar | Director | 12,563 | 0.02% | $4.1M | sold 1,623 shares at $361.84 on May 11, 2026 | May 11, 2026 |
| John Ritchie | Director | 9,466 | 0.01% | $3.1M | bought 776 shares on Mar 6, 2026 | Mar 6, 2026 |
| Ambra R. Roth | SVP, GC and Secretary | 9,184 | 0.01% | $3.0M | sold 653 shares at $300.00 on Oct 1, 2026 | Oct 1, 2026 |
| Jihye Whang Rosenband | Director | 7,165 | <0.01% | $2.4M | bought 776 shares on Mar 6, 2026 | Mar 6, 2026 |
| Peter Y. Chung | Director | 6,781 | <0.01% | $2.2M | sold 43,268 shares at $378.20 on May 14, 2026 | May 14, 2026 |
| Murugesan Shanmugaraj | Director | 5,214 | <0.01% | $1.7M | sold 1,400 shares on May 19, 2026 | May 19, 2026 |
| Bryan Ingram | Director | 1,747 | <0.01% | $576,754.58 | bought 776 shares on Mar 6, 2026 | Mar 6, 2026 |
Each insider at MACOM
- Susan Ocampo — 10% owner
- Stephen G. Daly — President and CEO · Director
- John Kober — Senior VP and CFO
- Donghyun Thomas Hwang — SVP, Global Sales
- Wayne Mack Struble — SVP, Advanced Semiconductor
- Charles R. Bland — Director
- Robert Dennehy — Senior VP and COO
- Geoffrey G. Ribar — Director
- John Ritchie — Director
- Ambra R. Roth — SVP, GC and Secretary
- Jihye Whang Rosenband — Director
- Peter Y. Chung — Director
What insiders bought and sold across AI stocks · All filings on sec.gov