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144 ·Filed Oct 26, 2026

MTSI

MACOM Technology Solutions Holdings, Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed1d 1h ago SEC0001950047-26-010412
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

The sale is de minimis and appears to be a routine disposition of vested RSUs under a 10b5-1 plan. No material insider signal; monitor for any larger unplanned sales or changes in insider filing patterns.

DirectionNeutral
Confidencehigh
Horizonimmediate

Price Chart

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Executive Summary

John F. Kober III, an officer of MACOM Technology Solutions Holdings, Inc., filed a Form 144 notice of intent to sell 1,027 shares of common stock, valued at approximately $242,618 based on the filing date price of $236.31 per share. The shares were acquired via restricted stock units vested on October 23, 2026, and the sale is scheduled for October 26, 2026. This is a small, routine sale relative to Kober's total holdings (76,370,931 shares) and the company's $17.5B market cap, representing minimal insider selling signal.

Key Facts

  • Insider John F. Kober III (Officer) filed Form 144 to sell 1,027 shares of MTSI common stock.
  • Estimated sale value: $242,618.48 at $236.31/share (based on filing date).
  • Shares acquired via restricted stock units vested on October 23, 2026.
  • Proposed sale date: October 26, 2026.
  • Kober's total holdings after sale would be approximately 76,370,931 shares.
  • Sale represents about 0.0013% of outstanding shares and 0.3% of Kober's reported holdings.
  • The filing notes a 10b5-1 plan covering sales since August 17, 2026, for 7,389 shares at $2,409,412.45.

Financial Impact

Sale of 1,027 shares worth ~$242,618, immaterial relative to $17.5B market cap and insider's holdings of ~76.4M shares.

dilution

Risk Factors

  • Form 144 is only an intent to sell; the sale may not be executed.
  • Insider selling under a 10b5-1 plan reduces but does not eliminate the risk of negative non-public information.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
80% bullish (25 analysts)

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001950047-26-010412
Document: 0001950047-26-010412-index.html0001950047-26-010412
Document: 0001950047-26-010412.txt0001950047-26-010412
29 reports for MTSI
Performance horizon
55% Hit rate @ T+1 6 of 11 directional calls Went positive at some point 9 of 11 best @ T+60▲ +25.65%May 6, 2026
Filters
Rows
Reports for MTSI — sortable, filterable
TypeNow
Oct 26, 2026
1d ago
144
NEUTRAL ★ 2/10
$243.58awaiting T+1—$255.68 (+4.97%)
Oct 22, 2026
5d ago
Press Release
NEUTRAL ★ 1/10
$229.73awaiting T+1—$255.68 (+11.30%)
Oct 16, 2026
10d ago
Institutional Cluster
MIXED ★ 3/10
$265.79 $262.93▼ −1.08%▼ −1.41%$255.68 (−3.80%)
Aug 6, 2026
11w ago
8-K
BULLISH ★ 8/10
$301.64 $310.82▲ +3.04%▲ +2.43%$255.68 (−15.24%)
Jun 9, 2026
20w ago
Press Release
NEUTRAL ★ 2/10
$358.72 $354.40▼ −1.20%▲ +0.37%$255.68 (−28.72%)
May 29, 2026
21w ago
144
NEUTRAL ★ 2/10
$353.79 $382.35▲ +8.07%▲ +7.92%$255.68 (−27.73%)
May 26, 2026
21w ago
144
NEUTRAL ★ 4/10
$400.66 $391.09▼ −2.39%▼ −2.94%$255.68 (−36.19%)
May 18, 2026
23w ago
Insider Cluster
NEUTRAL ★ 3/10
$358.98 $375.71▲ +4.66%▲ +3.62%$255.68 (−28.78%)
May 18, 2026
23w ago
Insider Cluster
NEUTRAL ★ 4/10
$358.98 $375.71▲ +4.66%▲ +3.62%$255.68 (−28.78%)
May 18, 2026
23w ago
Insider Cluster
NEUTRAL ★ 4/10
$358.98 $375.71▲ +4.66%▲ +3.62%$255.68 (−28.78%)
Showing 10 of 29

US Market Status

Market Closed — Opens Wed (15h 35m)

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Report published Oct 26, 2026