Plexus Regional President Sells $138,804 in Stock, Offloading One-Third of Position
1h ago|4 min readStandard
Fazen Markets Editorial Desk
Collective editorial team · methodology
plexusinsider-trading
Fazen Markets Editorial Desk
Collective editorial team · methodology
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Michael Running, a regional president at electronic components maker Plexus Corp., sold $138,804 worth of company stock this week. An SEC Form 4 filed on 8 June 2026 detailed the transaction, executed at an average price of $113.50 per share. This disposal reduced Running's directly held stake by approximately one-third. The move from a senior executive at the Wisconsin-based manufacturer arrives as broader equity markets test key technical levels.
Plexus provides design and manufacturing services for complex electronics, serving healthcare, industrial, and aerospace clients. Michael Running previously acquired shares via option exercises, holding them as restricted stock units that vested. The company’s stock recently rallied to touch a 52-week high of $115.20 in mid-May 2026, following a strong earnings report that beat revenue estimates by 3.2%. The current macro backdrop features elevated volatility in technology supplier stocks, with the Philadelphia Semiconductor Index (SOX) down 5.1% year-to-date amid concerns over inventory cycles.
Historical comparable data shows this is the largest single-day sale by a Plexus officer since CEO Todd Kelsey sold $452,000 in stock in February 2025, just prior to a 12% sector correction. The trigger for Running’s sale appears linked to a standard trading plan adopted under SEC Rule 10b5-1, which allows executives to schedule sales to avoid allegations of trading on non-public information. These plans are typically set months in advance, yet their activation during price peaks remains a focal point for institutional investors monitoring insider conviction.
The transaction involved the sale of 1,223 Plexus shares at $113.50 each. This price sits 1.5% below the stock’s 52-week high of $115.20 and represents a 22% premium to its 200-day moving average of $93.10. Following the sale, Running retains direct ownership of 2,469 shares, valued at approximately $280,000 based on the closing price. The company’s market capitalization stands at $3.2 billion, with a price-to-earnings ratio of 18.7.
Peer comparison reveals Plexus trades at a discount to the median P/E of 22.1 for the iShares U.S. Aerospace & Defense ETF (ITA). The stock has gained 15% year-to-date, outperforming the SOX index but underperforming the S&P 500’s YTD gain of 8.5%. Trading volume on the day of the filing was 152,000 shares, slightly above the 90-day average of 129,000. The table below shows the magnitude of change in Running’s reported holdings.
| Metric | Before Sale | After Sale | Change |
|---|---|---|---|
| Directly Held Shares | 3,692 | 2,469 | -33.1% |
| Est. Value of Holdings | $419,000 | $280,000 | -$139,000 |
The sale signals reduced personal exposure by a key operational leader, which may prompt scrutiny from large asset managers holding Plexus stock, such as Vanguard and BlackRock. Second-order effects could include increased short interest in peer companies like Jabil Inc. (JBL) and Flex Ltd. (FLEX), as traders interpret the move as a leading indicator for the broader electronic manufacturing services sector. A sustained lack of insider buying across the sector could pressure valuations by 3-5% over the next quarter.
An acknowledged limitation is that the sale was executed under a pre-arranged 10b5-1 plan, which dilutes its signal as a reaction to current fundamentals. The counter-argument holds that executives rarely establish such plans during perceived undervaluation periods. Current positioning data from the Options Clearing Corporation shows a rise in put option volume for Plexus in the days following the filing. Flow is shifting towards more defensive industrial names with higher dividend yields, such as Honeywell (HON).
Markets will monitor Plexus’s next earnings release, scheduled for 23 July 2026, for commentary on order book health and margin trends. The Federal Open Market Committee meeting on 16 June 2026 will influence the cost of capital for the entire manufacturing sector. Key technical levels for Plexus stock include initial support at $108.50, its 50-day moving average, and major support at the $100 psychological level.
A break below $108.50 on above-average volume would confirm a short-term bearish trend reversal. Sector-wide, watch for inventory data from the Semiconductor Industry Association, due for release on 20 June 2026. Should that report show a sequential decline in chip sales, it would validate concerns about downstream demand for Plexus’s services.
An insider sale does not automatically predict a stock price decline. Executives sell shares for various personal reasons, including tax planning, portfolio diversification, or major expenses. Retail investors should assess the sale's context: its size relative to the executive's total holdings, the stock's recent price performance, and whether other insiders are also selling. A single sale, especially under a pre-planned 10b5-1 rule, is less significant than a coordinated selling wave across multiple C-suite officers.
Insider selling at Plexus has been infrequent over the past 12 months. Prior to this transaction, the last Form 4 filing for a sale was by CEO Todd Kelsey in February 2025. The $138,804 sale by Michael Running is notable for its size relative to his remaining holdings but is not an outlier in dollar terms for the company. Across the S&P 1500, the average insider sale in Q1 2026 was approximately $215,000, placing this transaction below the median.
An SEC Rule 10b5-1 plan allows corporate insiders to schedule future stock trades at a time when they are not in possession of material non-public information. Once established, the trades execute automatically. While it legally shields the insider from allegations of illegal insider trading, it does not fully negate the market signal. The timing of the plan's creation—often during a prior period of strength—and the decision not to cancel it as the stock rises remain data points for analysis.
A senior Plexus executive's scheduled sale reduces personal equity exposure amid a sector facing demand uncertainty.
Disclaimer: This article is for informational purposes only and does not constitute investment advice. CFD trading carries high risk of capital loss.
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