MTSI MACOM Technology Solutions Holdings, Inc.
Price Chart
Executive Summary
Director Peter Chung filed a Form 144 notice to sell 43,268 shares of MTSI common stock, with an estimated aggregate market value of approximately $16.4 million based on the filing date. This is a large sale relative to typical insider activity at MTSI (recent 30-day insider sales total only $614K), and the seller is a director and a representative of Summit Partners, a significant institutional shareholder. The filing signals intent to sell, not a completed transaction, but the size and insider status warrant attention.
Actionable Insight
Monitor for actual execution of the sale on Form 4. If completed, this would be the largest insider sale at MTSI in recent months, potentially signaling peak valuation concerns from a board-level insider. The stock's recent strong performance may attract profit-taking; watch for follow-on selling by other insiders or Summit Partners.
Key Facts
- Director Peter Chung (Summit Partners) filed Form 144 to sell 43,268 shares of MTSI common stock.
- Estimated aggregate market value of proposed sale: approximately $16.4 million.
- Recent 30-day insider activity at MTSI totaled only $614K in sales, making this a notably large proposed sale.
- Shares were acquired upon vesting of restricted stock from 11/15/2012 through 03/04/2023.
- The sale is proposed for execution on or after 05/14/2026 via Morgan Stanley Smith Barney.
Financial Impact
Proposed sale of 43,268 shares valued at ~$16.4M, representing a significant insider monetization event.
Risk Factors
- Large insider sale could signal perceived overvaluation or reduced conviction in near-term prospects.
- Summit Partners is a major shareholder; a director's large sale may precede broader distribution by the fund.
- Form 144 is only an intent to sell; the sale may not occur, reducing immediate bearish pressure.
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-004560 |
| Document: 0001950047-26-004560-index.html | 0001950047-26-004560 |
| Document: 0001950047-26-004560.txt | 0001950047-26-004560 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 9, 2026
3d ago
|
Press Release
| $361.77 awaiting T+5 | awaiting T+5 | — | $379.87 (+5.00%) |
|
May 29, 2026
14d ago
|
144
| $353.79 $345.40 | ▼ −2.37% | ▲ +0.38% | $379.87 (+7.37%) |
|
May 27, 2026
17d ago
|
144
| $400.66 $390.34 | ▼ −2.58% | ▼ −3.04% | $379.87 (−5.19%) |
|
May 18, 2026
25d ago
|
Insider Cluster
| $358.98 $403.49 | ▲ +12.40% | ▲ +10.16% | $379.87 (+5.82%) |
|
May 18, 2026
25d ago
|
Insider Cluster
| $358.98 $403.49 | ▲ +12.40% | ▲ +10.16% | $379.87 (+5.82%) |
|
May 18, 2026
25d ago
|
Insider Cluster
| $358.98 $403.49 | ▲ +12.40% | ▲ +10.16% | $379.87 (+5.82%) |
|
May 18, 2026
25d ago
|
Insider Cluster
| $380.45 $364.64 | ▼ −4.16% | ▼ −6.00% | $379.87 (−0.15%) |
|
May 18, 2026
25d ago
|
Insider Cluster
| $358.98 $403.05 | ▲ +12.28% | ▲ +10.03% | $379.87 (+5.82%) |
|
May 15, 2026
28d ago
|
Insider Cluster
| $356.25 $409.68 | ▲ +15.00% | ▲ +13.38% | $379.87 (+6.63%) |
|
May 14, 2026
29d ago
|
144
| $375.60 $385.98 | ▼ −2.76% | ▼ −1.80% | $379.87 (−1.14%) |
US Market Status
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