$SMTC

Silberstein Asaf sold $1.1M of SMTC (indirect holdings)

Silberstein Asaf (EVP and COO) sold 8,500 indirectly-held shares of SEMTECH CORP (SMTC) at an average of $127.80 ($124.19–$129.94, $1.09M total) across 6 trades on 2026-07-08 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Silberstein Asaf
Published Jul 10, 2026, 8:05 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 10, 2026, 8:08 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$SMTC
Neutral
medium confidence
Mentioned
$SMTC
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SMTCNeutralLow
01

Why it matters

The newest disclosed fact is the specific sale size, share count, and execution window (July 8) under a pre-arranged 10b5-1 plan.

02

Market read

Traders may note the insider selling activity, but the 10b5-1 structure makes it more of a monitoring datapoint than a catalyst.

03

What to watch

The sale is indirect and spread across multiple trades; without additional context (e.g., total planned volume, prior sales cadence), the signal strength is hard to calibrate.

Relevance 5/10Novelty 5/10Timing: Filed July 10, covering sales executed July 8.

Background

The article is an SEC Form 4 insider transaction disclosure for Semtech Corp (SMTC) by EVP and COO Silberstein Asaf.

Company-level read

Ticker impact

$SMTCNeutralMedium confidence
Context

Semtech Form 4 shows EVP and COO Silberstein Asaf sold $1.09M of SMTC shares via a 10b5-1 plan on July 8.

Expected impact

Low near-term impact; any reaction is likely muted unless paired with other company-specific news.

Evidence & confidence

The filing is a primary-source Form 4, but it is explicitly pre-arranged under Rule 10b5-1, which typically reduces interpretive value for near-term fundamentals.

Market effects

Minimal, as this is an individual insider transaction with no disclosed operational or regulatory change.

None indicated.

None indicated.

Counterpoint

Even with 10b5-1, repeated insider selling can coincide with management’s view that near-term upside is limited, potentially affecting sentiment among short-term traders.

Key entities

  • SMTC

    Semtech Corporation, the company whose shares were sold in the Form 4 disclosure.

  • Silberstein Asaf

    EVP and COO who executed an open-market sale of SMTC shares under a Rule 10b5-1 plan.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$SMTCHigh

Why Are Semtech (SMTC) Shares Soaring Today

Semtech (SMTC) shares rose 5.1% after Oppenheimer raised its price target to $225, citing strong AI data center demand. The stock closed at $183.90, up 3.1%. Oppenheimer expects data center sales to exceed 40% of revenue. Semtech's shares are up 148% year-to-date, reaching a 52-week high.

$SMTCHigh

Why Semtech (SMTC) Stock Is Up Today

Semtech (SMTC) stock rose 2.8% in premarket trading after analyst Jay Goldberg initiated coverage with a Buy rating and $200 price target, citing demand for AI data-center infrastructure. Goldberg noted Semtech's shift to optical solutions could drive growth through 2028. Shares later cooled to $178.25, up 2.1%. Semtech's shares are up 137% year-to-date.

$SMTCMed

Why Is Semtech Stock (SMTC) Up Over 10% Today?

Semtech (SMTC) stock rose 10.59% after introducing the TDS2621LP chip for 24-volt power lines in robots and smart factories. The chip protects against power surges and is in full production. Analysts rate the stock as Strong Buy with a $211.07 price target, implying 26.22% upside.

$SMTCMed

What Is Semtech (SMTC) Signaling With Its New AI And Fiber Products?

Semtech (SMTC) introduced new products, including a 10G PON chipset for fiber broadband and a 224G TIA/driver family for AI/ML data centers. The company aims to address market demand for faster connectivity and AI infrastructure, with potential risks related to integration and margins. Investors should watch for design wins and production milestones.

$SMTCHigh

Semtech (SMTC) Shares Skyrocket, What You Need To Know

Semtech (SMTC) shares rose 9.8% after introducing a new surge protection device for industrial robotics. The company cited growth in semiconductor, optical networking, and AI data center operations. SMTC is up 123% YTD, trading near its 52-week high. Recent volatility includes a 10.4% drop due to AI safety concerns.