Silicom (SILC) VP Engineering David Castiel Sells 2,000 Shares

A top engineering executive at the networking solutions provider trimmed his position as the stock trades well above its long-term average.

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David Castiel, VP Engineering at Silicom Ltd. ($SILC), sold 2,000 shares on June 14, 2026. The trade was reported to the SEC in a Form 4 filing.

Since the trade, $SILC is down 3.2% after 1 week, down 7.2% after 1 month and down 13.1% to date (from the $46.45 close on Jun 12, 2026).

Find the original: SILC Form 4 filings on SEC EDGAR

SILC Silicom Ltd.
$40.37 +184.10% year to date
Daily close · Oct 16, 2026

Key Points

  • VP of Engineering David Castiel sold 2,000 shares of Silicom Ltd. on June 14, 2026, amid a cluster of insider activity at the Israeli technology firm.
  • Silicom stock is currently trading at $48.60, which is significantly higher than its 200-day moving average of $31.09 and near its yearly high of $52.95.
  • One analyst at Needham recently upgraded the stock to a Buy rating with a $60.00 price target, even as the company faces a period of unprofitability with a negative net margin.

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David Castiel, the Vice President of Engineering at Silicom Ltd. (SILC), sold 2,000 shares of the company on June 14, 2026. The transaction was disclosed in a recent filing and took place on the NasdaqGS. While the exact sale price for this specific block was not provided in the primary filing, the trade occurred during a week when Silicom's stock was trading in the upper end of its annual range.

Insider Buying and Selling at Silicom Ltd.

The sale by David Castiel was part of a broader wave of insider transactions at Silicom on June 14, 2026. On that same day, Yuval Karp, the EVP of Project Management, and David Hendel, the VP of R&D, also sold 2,000 shares each. Conversely, some executives were on the buying side; CFO Eran Gilad and David Castiel himself were reported as acquiring 2,000 shares, which often indicates the exercise of options or internal compensation adjustments. Later that week, on June 18, 2026, Yeshayhu Orbach both purchased and sold 2,969 shares. These transactions suggest a period of active portfolio rebalancing among the leadership team in Kfar Saba.

Silicom Stock Performance

Shares of Silicom are currently trading around $48.60 as of this Tuesday. This price point is remarkably strong compared to the stock's 52-week low of $13.34. The stock has been trending upward, evidenced by it trading well above its 50-day moving average of $42.91 and its 200-day moving average of $31.09. With a market capitalization of approximately $280.1 million, the company carries a forward P/E ratio of 203.04, a high multiple that suggests investors are pricing in significant future growth despite recent losses.

Recent Earnings and Financial Health

Silicom reported revenue of $75.43 million for its most recent fiscal period, achieving a revenue growth rate of 58.5%. However, the company is not currently profitable, showing a negative EPS of $1.71 and a net margin of -12.98%. Its return on equity also stands in negative territory at -8.28%. Despite the lack of current profits, the company maintains a healthy liquidity position with a current ratio of 3.06 and a relatively low debt-to-equity ratio of 5.61. Investors are looking toward October 29, 2026, for the next scheduled earnings update to see if the company can turn its revenue growth into bottom-line results.

Analysts Set New Price Targets

Wall Street sentiment toward Silicom has recently turned more positive. On July 2, 2026, the firm Needham upgraded the stock to a Buy rating and set a price target of $60.00. This is the only current analyst opinion on record, but it suggests a potential upside of more than 23% from the current trading price. The consensus among professionals, based on this single high-conviction rating, remains a buy.

About Silicom Ltd.

Silicom Ltd. is an Israel-based technology company that designs and manufactures high-performance networking and data infrastructure solutions. Its products, which include server network interface cards and smart platforms, are used by cloud providers and telecommunications companies to handle data compression and encryption. As the demand for edge computing and SD-WAN technology grows, Silicom's hardware plays a critical role in how global networks manage high-speed data traffic. This insider sale by the head of engineering follows a significant run-up in the stock price over the last year.

What's Ahead for Silicom Ltd.

Investors should keep an eye on the upcoming earnings report in late October to see if Silicom's high valuation is justified by improving margins. While insider sales can happen for many personal reasons, the cluster of activity among several VPs on the same day often draws attention from the market. It is important to remember that these filings are backward-looking and may not reflect the current sentiment or holdings of the executives today.

Source: David Castiel's Form 4 filing on $SILC (Jun 14, 2026). Find the original filing: SILC Form 4 filings on SEC EDGAR. Written by software, not financial advice. How we make alerts

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