Executive Summary
The four filings from NASDAQ-100 constituents today are dominated by insider selling activity, with all four companies reporting open-market sales by directors or officers. While the individual transaction sizes are modest (ranging from ~$21K to ~$375K), the pattern of simultaneous selling across Analog Devices, Intuit, Micron Technology, and CoreWeave warrants attention.
Notably, two of the four sales (ADI and CoreWeave) were executed under Rule 10b5-1 plans, suggesting pre-planned diversification rather than reactive bearishness. No period-over-period comparisons, forward-looking guidance, capital allocation changes, or M&A activity were disclosed in these filings. The lack of bullish signals or positive catalysts in any filing creates a cautious near-term tone for these holdings. The most material insider sale was Analog Devices' director selling $375K, while Micron's director sale of $28K is negligible. Overall, the digest signals a defensive posture among insiders in the tech sector, though the small scale and pre-planned nature of most trades mitigate alarm.
Materiality, sentiment, and priority are scored by Gunpowder’s analysis pipeline. How we score filings →
Filing types in this digest: Form 4
Tracking the trend? Catch up on the prior Nasdaq 100 Stocks SEC Filings digest from August 21, 2026.
Investment Signals (8)
- Analog Devices ↓ (BEARISH)▲
Director sold $375K at $374.50 under 10b5-1 plan; sale represents 9% of holdings, but pre-planned nature reduces bearish signal
- Intuit ↓ (BEARISH)▲
SVP/CAO sold $293K + $21.6K at ~$346.50; total sale of ~$315K reduces insider stake by ~35%, signaling potential concern about valuation
- Micron Technology ↓ (NEUTRAL)▲
Director sold only 25 shares ($28K) at $1,132; trivial relative to holdings and market cap, no actionable signal
- CoreWeave ↓ (NEUTRAL)▲
GC sold $185K total across three trades ($87-$89 range) under 10b5-1 plan; post-sale holdings of 123K shares remain substantial, suggesting diversification not panic
- Intuit ↓ (BEARISH)▲
CAO sold at $346.57, near recent trading range; no insider buying to offset selling, creating one-sided bearish insider flow
- Analog Devices ↓ (NEUTRAL)▲
Director holds 10,019 shares post-sale; sale of 1,000 shares is ~10% of holdings, moderate but not alarming
- CoreWeave ↓ (NEUTRAL)▲
Three separate sales in one filing indicate systematic selling plan; GC retains 123K shares worth ~$10.8M, showing continued alignment
- Micron Technology ↓ (NEUTRAL)▲
Director holds only 235 shares post-sale; tiny stake suggests minimal skin-in-the-game, reducing signal relevance
Risk Flags (7)
- Intuit/Insider Selling↓ [MODERATE RISK]▼
CAO sold ~35% of holdings in single filing; no insider buying in any of the 4 filings, creating a one-sided negative signal for the sector
- Analog Devices/Insider Selling↓ [LOW-MODERATE RISK]▼
Director sold at $374.50; if this is near a local top, it could signal valuation concerns; no insider buying to provide counter-signal
- CoreWeave/Insider Selling↓ [LOW RISK]▼
GC sold three times in one filing; while pre-planned, the frequency of sales may indicate ongoing distribution
- All Filings/Lack of Positive Catalysts [MODERATE RISK]▼
Zero filings contained forward-looking guidance, capital allocation changes, or M&A activity; absence of bullish news creates informational vacuum
- Micron Technology/Insider Stake↓ [LOW RISK]▼
Director holds only 235 shares worth ~$266K; minimal insider ownership reduces alignment with shareholders
- Intuit/Insider Concentration↓ [LOW RISK]▼
CAO's post-sale holdings of 1,628 shares worth ~$564K are modest for a senior officer; suggests limited personal financial commitment
- CoreWeave/Insider Selling at IPO Range↓ [LOW-MODERATE RISK]▼
Sales at $87-$89 may indicate insiders taking profits post-IPO; if stock declines, selling could accelerate
Opportunities (6)
- Analog Devices/Insider Sale as Entry Signal↓ (OPPORTUNITY)◆
Director sold under 10b5-1 plan at $374.50; if stock dips on no other news, disciplined investors could buy the dip given pre-planned nature of sale
- Intuit/Insider Selling as Contrarian Buy↓ (OPPORTUNITY)◆
CAO sold at $346.57; if fundamentals remain strong (not covered here), insider selling at these levels could present a buying opportunity for long-term investors
- Micron Technology/Insider Sale Negligible↓ (OPPORTUNITY)◆
Director sold only 25 shares; this is noise, not signal; investors should focus on Micron's fundamentals and memory cycle rather than this trivial trade
- CoreWeave/Insider Retains Large Stake↓ (OPPORTUNITY)◆
GC holds 123K shares worth ~$10.8M post-sale; strong alignment suggests insider confidence in long-term value despite small sales
- All Filings/No Negative Guidance (OPPORTUNITY)◆
Despite insider selling, none of the filings contained guidance cuts or negative forward-looking statements; absence of bad news is a relative positive
- Analog Devices/10b5-1 Plan Transparency↓ (OPPORTUNITY)◆
Pre-planned sale reduces uncertainty; investors can model future selling patterns if plan details are disclosed
Sector Themes (4)
- Insider Selling Across Tech (CAUTIOUS)◆
4/4 filings today involve insider selling, with zero insider buying; this one-sided flow suggests insiders are taking profits or diversifying at current valuations
- Pre-Planned vs. Opportunistic Selling (MIXED)◆
2/4 sales (ADI, CoreWeave) were under 10b5-1 plans, indicating systematic diversification; 2/4 (Intuit, Micron) were direct open-market sales, which may be more sentiment-driven
- Small Transaction Sizes Dominate (NEUTRAL)◆
All sales were under $400K, with most under $100K; these are not 'whale' sales by CEOs or founders, reducing overall bearish signal intensity
- No Positive Catalysts in Filings (CAUTIOUS)◆
Zero filings contained forward-looking guidance, dividend changes, buyback announcements, or M&A; this is unusual for a batch of 4 filings and may reflect a quiet period ahead of earnings
Watch List (6)
- Analog Devices↓ (WATCH)👁
Director sold $375K under 10b5-1 plan; watch for additional sales by other insiders or any change in selling pattern
- Intuit↓ (WATCH)👁
CAO sold ~35% of holdings; watch for further insider sales or any insider buying to reverse the negative signal
- CoreWeave↓ (WATCH)👁
GC sold three times in one filing; watch for continued selling by other insiders post-IPO lockup expiration
- Micron Technology↓ (WATCH)👁
Director sold only 25 shares; watch for any larger insider transactions that could signal changing sentiment
- All Companies (WATCH)👁
Monitor upcoming earnings calls for forward guidance; current insider selling may be followed by cautious outlooks
- Tech Sector Insider Activity Index (WATCH)👁
Track aggregate insider buying/selling ratios across NASDAQ-100; if selling continues to dominate, it could signal sector-wide overvaluation
Filing Analyses
(4)
28-08-2026
Director Golz Karen sold 1,000 Comm Stock - $.16-2/3 value at $374.50 (~$375K). Golz Karen holds 10,019 shares after the transaction. Trades executed under a Rule 10b5-1 plan.
- · Director Golz Karen sold 1,000 Comm Stock - $.16-2/3 value at $374.50 (~$375K)
28-08-2026
SVP, Chief Accounting Officer Hotz Lauren D sold 844.537 Common Stock at $346.57 (~$293K). Hotz Lauren D holds 1,627.9992 shares after the transaction.
- · SVP, Chief Accounting Officer Hotz Lauren D sold 844.537 Common Stock at $346.57 (~$293K)
- · SVP, Chief Accounting Officer Hotz Lauren D sold 62.405 Common Stock at $346.15 (~$21.6K)
28-08-2026
Director Bjorlin Alexis sold 25 Common Stock at $1,132.33 (~$28.3K). Bjorlin Alexis holds 235 shares after the transaction.
- · Director Bjorlin Alexis sold 25 Common Stock at $1,132.33 (~$28.3K)
28-08-2026
GC and Secretary McVeety Kristen J sold 1,144 Class A Common Stock at $88.18 (~$101K). McVeety Kristen J holds 123,313 shares after the transaction. Trades executed under a Rule 10b5-1 plan.
- · GC and Secretary McVeety Kristen J sold 724 Class A Common Stock at $87.39 (~$63.3K)
- · GC and Secretary McVeety Kristen J sold 1,144 Class A Common Stock at $88.18 (~$101K)
- · GC and Secretary McVeety Kristen J sold 232 Class A Common Stock at $89.24 (~$20.7K)
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