| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dennehy Robert | Senior VP and COO | C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS, 100 CHELMSFORD STREET, LOWELL | /s/ Ambra R. Roth, Attorney-in-Fact | 02 Mar 2026 | 0001588004 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTSI | Common Stock | Sale | $233,428 | -971 | -3.1% | $240.40 | 30,291 | 26 Feb 2026 | Direct | F1, F2 |
| transaction | MTSI | Common Stock | Sale | $72,510 | -300 | -0.99% | $241.70 | 29,991 | 26 Feb 2026 | Direct | F1, F3 |
| transaction | MTSI | Common Stock | Sale | $777,472 | -3,200 | -11% | $242.96 | 26,791 | 26 Feb 2026 | Direct | F1, F4 |
| transaction | MTSI | Common Stock | Sale | $1,166,081 | -4,780 | -18% | $243.95 | 22,011 | 26 Feb 2026 | Direct | F1, F5 |
| transaction | MTSI | Common Stock | Sale | $1,003,885 | -4,100 | -19% | $244.85 | 17,911 | 26 Feb 2026 | Direct | F1, F6 |
| transaction | MTSI | Common Stock | Sale | $635,499 | -2,576 | -14% | $246.70 | 15,335 | 26 Feb 2026 | Direct | F1, F7 |
| transaction | MTSI | Common Stock | Sale | $99,588 | -400 | -2.6% | $248.97 | 14,935 | 26 Feb 2026 | Direct | F1, F8 |
| transaction | MTSI | Common Stock | Sale | $125,260 | -500 | -3.3% | $250.52 | 14,435 | 26 Feb 2026 | Direct | F1, F9 |
| transaction | MTSI | Common Stock | Sale | $398,374 | -1,571 | -11% | $253.58 | 12,864 | 26 Feb 2026 | Direct | F1, F10 |
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
| Id | Content |
|---|---|
| F1 | The shares were sold pursuant to a sales plan adopted by the Reporting Person on November 27, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. |
| F2 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $240.20 to $240.73. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F3 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $241.38 to $242.37. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F4 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $242.44 to $243.42. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F5 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $243.45 to $244.41. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F6 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $244.46 to $245.40. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F7 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $246.15 to $247.09. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F8 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $248.61 to $249.11. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F9 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $250.51 to $250.54. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F10 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $253.30 to $254.05. The Reporting Person undertakes to provide to the Issuer, any shareholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |