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Nasdaq 100 Stocks SEC Filings — October 26, 2026

USA NASDAQ-100

By Gunpowder Editorial ·

20 high priority 2 medium priority 22 total filings analysed

Executive Summary

Across the 22 filings for the NASDAQ-100 stream dated 2026-10-26, the dominant themes are heavy insider and executive selling at Intuitive Surgical and Lam Research under Rule 10b5-1 plans, a wave of routine director and executive equity awards and tax withholdings at Costco and Lite Strategy, and two strategically significant events: Applied Materials' accelerated share purchase toward roughly 20% of Besi, and Strategy Inc's bitcoin holdings and STRC preferred buyback.

The enriched data does not supply prior-period comparisons, forward guidance, or capital allocation changes for most filings, so period-over-period trend synthesis is limited; the clearest quantified signal is Lam Research's CEO selling 31,400 shares at $227.02 (~$7.13M) after exercising options, and Intuitive Surgical's cumulative insider sales at prices around $443-$453. Strategy Inc reported zero bitcoin accumulation for the week, holding about 848,517 BTC at an average cost near $75,446, with $4.83 billion in USD reserves. Market implications center on insider selling pressure in semiconductor equipment and medtech versus neutral-to-routine governance activity elsewhere. Several filings (DEFA14A, Applied Materials 8-K) lack disclosed economics and require full-document review before conclusions are drawn.

Materiality, sentiment, and priority are scored by Gunpowder’s analysis pipeline. How we score filings →

Filing types in this digest: 8-K · Form 4 · DEFA14A

Tracking the trend? Catch up on the prior Nasdaq 100 Stocks SEC Filings digest from October 19, 2026.

Investment Signals (9)

  • Lam Research ↓ (BEARISH)
    ▲

    CEO Timothy Archer sold 31,400 shares at $227.02 (~$7.13M) after exercising equivalent options at $30.03, retaining 1,075,966 shares; executed under a Rule 10b5-1 plan

  • Intuitive Surgical ↓ (BEARISH)
    ▲

    Director Gary Guthart sold 20,095 shares at $451.61 (~$9.08M), retaining 1,204,530 shares; plus SVP HR Patricia Wadors sold 1,078 shares at $443.80 (~$478K) and Director Craig Barratt sold 1,150 shares at $443.80 (~$510K), all under 10b5-1 plans

  • Intuitive Surgical ↓ (BEARISH)
    ▲

    VP Corporate Controller Fredrik Widman sold 4,047 shares at $453.21 (~$1.83M) across 23 transactions, leaving 1,026 shares; the high transaction count points to systematic plan-based selling rather than a single discretionary exit

  • Applied Materials ↓ (BULLISH)
    ▲

    Entered accelerated share purchase agreement for Besi shares, lifting combined holdings to ~20% of Besi's outstanding common stock, a strategic stake increase subject to HSR clearance

  • Lite Strategy ↓ (BULLISH)
    ▲

    Director Nicholas Glover made open-market purchases of 1,000 shares at $6.55 and 1,000 at $6.00 (~$12.5K total), now holding 2,000 shares, while receiving a 100,000-share option grant

  • Lite Strategy ↓ (NEUTRAL)
    ▲

    CEO/CFO/Secretary Justin File was granted 600,000 employee stock options, the largest award in the cohort, signaling a retention-oriented incentive package

  • Strategy Inc ↓ (BULLISH)
    ▲

    Repurchased 2,068,459 STRC preferred shares for $204.9M funded from USD Cash, with no common stock or other preferred repurchases; holds $4.83B USD Reserve and $242.4M USD Cash, indicating liquidity capacity for continued buybacks

  • Strategy Inc ↓ (BEARISH)
    ▲

    No bitcoin bought or sold and no ATM share sales during Oct 19-25, leaving ~848,517 BTC at an average cost of ~$75,446; the accumulation pause is a notable departure from prior accumulation patterns

  • Costco ↓ (NEUTRAL)
    ▲

    Multiple executives (Adamo, George, Klauer) had shares withheld for taxes at $1,018.21 per share, totaling roughly $0.9M across filings, a routine vesting-related outflow that does not indicate open-market selling

Risk Flags (7)

  • Intuitive Surgical/Insider Selling↓ [HIGH RISK]
    ▼

    Five separate insiders (Guthart, Wadors, Widman, Barratt) sold roughly $12M+ combined in a single reporting window at $443-$453, with several sales exceeding 20% of retained holdings for Barratt and Widman

  • Lam Research/CEO Sale↓ [HIGH RISK]
    ▼

    President and CEO sold ~$7.13M in one transaction while exercising options, a concentrated disposal by the top executive that markets often interpret as a negative signal regardless of 10b5-1 status

  • Strategy Inc/Bitcoin Accumulation Stall↓ [MEDIUM RISK]
    ▼

    Zero BTC purchases in the period against an average cost near $75,446 leaves unrealized exposure to price moves with no buying support, and the STRC buyback draws on cash reserves

  • Strategy Inc/Preferred Buyback Funding↓ [MEDIUM RISK]
    ▼

    $204.9M of cash used to retire STRC preferred while the company holds a large bitcoin position, raising questions about the balance between capital returns and treasury growth

  • Applied Materials/Besi Transaction Execution↓ [MEDIUM RISK]
    ▼

    Delivery of shares is contingent on HSR waiting-period expiration and no purchase price is disclosed, leaving deal economics and regulatory timing unresolved

  • Strategy Inc/DEFA14A Opacity↓ [MEDIUM RISK]
    ▼

    Supplemental proxy material provided only boilerplate in the excerpt, so the specific shareholder matters being solicited cannot be assessed

  • Lite Strategy/Option Overhang↓ [LOW RISK]
    ▼

    Aggregate grants of 600,000 plus three 100,000-share director awards (900,000 total) create dilution potential against a company where director open-market holdings are small (2,000 shares for Glover)

Opportunities (6)

  • Applied Materials/Besi Stake↓ (OPPORTUNITY)
    ◆

    Move toward ~20% ownership of Besi positions Applied to influence or capture value in advanced semiconductor packaging and equipment; clearing HSR could be a near-term catalyst

  • Strategy Inc/STRC Buyback↓ (OPPORTUNITY)
    ◆

    Repurchase of 2.07M STRC preferred shares indicates management is actively retiring higher-cost capital with USD reserves, a potential support for preferred and common valuation

  • Strategy Inc/Liquidity Cushion↓ (OPPORTUNITY)
    ◆

    $4.83B USD Reserve plus $242.4M cash provides flexibility to resume bitcoin purchases or fund buybacks if BTC pricing dislocates below the ~$75,446 average cost

  • Lite Strategy/Insider Accumulation↓ (OPPORTUNITY)
    ◆

    Director Glover's open-market buying at $6.00-$6.55 is a positive governance signal in a stock trading in a low price range, with grants aligning directors and executives

  • Intuitive Surgical/Post-Selling Entry Point↓ (OPPORTUNITY)
    ◆

    Heavy plan-based insider selling at $443-$453 is largely mechanical; if fundamentals hold, the disclosed sales may be overhang that clears, creating an entry window for long-term holders

  • Lam Research/Option-Linked Selling Context↓ (OPPORTUNITY)
    ◆

    CEO's sale was paired with option exercise at $30.03 against a $227.02 sale price, meaning most of the gain reflects long-dated option economics rather than an outright cash-out of stock, which moderates the bearish read

Sector Themes (4)

  • Insider Selling Under 10b5-1 Plans in Semiconductor Equipment and Medtech
    ◆

    Intuitive Surgical (4 filings) and Lam Research (1 filing) account for roughly $19M of disclosed open-market sales, with all sales executed under Rule 10b5-1 plans, suggesting pre-scheduled diversification rather than discretionary bearish conviction

  • Routine Equity Compensation Dominates Consumer and Mid-Cap Filings
    ◆

    Costco (10 filings) and Lite Strategy (4 filings) reflect a pattern of annual director awards of 266 shares (Costco) and option grants of 100,000 shares (Lite Strategy), plus tax withholding at vesting, indicating standard governance cadence without signaling directional sentiment

  • Bitcoin Treasury Companies Shift from Accumulation to Capital Management
    ◆

    Strategy Inc's zero-purchase week alongside a $204.9M preferred buyback highlights a transition from pure bitcoin accumulation toward balance-sheet and capital-structure management

  • Strategic Semiconductor Equipment Consolidation
    ◆

    Applied Materials' approach to ~20% of Besi reflects a broader industry pattern of equipment vendors taking minority stakes in supply-chain or packaging partners, pending regulatory review

Watch List (7)

  • Applied Materials/Besi HSR Clearance↓
    👁

    Monitor expiration or termination of the HSR waiting period, which gates delivery of Besi shares; disclosure of purchase price is still outstanding

  • Strategy Inc/Next Weekly 8-K↓
    👁

    Track whether bitcoin purchases resume and whether further STRC, STRF, STRK, or STRD repurchases occur in the coming weekly filings

  • Strategy Inc/DEFA14A Proxy Matters↓
    👁

    Review the full supplemental proxy filing referencing the August 3, 2026 filing to identify the shareholder proposals being solicited

  • Intuitive Surgical/Further 10b5-1 Sales↓
    👁

    Watch Form 4 filings for continuation of Widman's 23-transaction sales pattern and any additional executive or director dispositions

  • Lam Research/CEO Holdings Trajectory↓
    👁

    Monitor whether Timothy Archer continues option exercises and sales under the 10b5-1 plan, which would indicate a systematic rather than one-time disposal

  • Lite Strategy/Director Open-Market Activity↓
    👁

    Track whether Director Glover adds further shares at the $6.00-$6.55 range, as continued purchases would strengthen the insider-conviction read

  • Costco/Tax Withholding Cycle↓
    👁

    Note that the $1,018.21 withholding price across multiple executives points to a common vesting event; future Form 4s should be checked against this price reference for valuation context

Filing Analyses (22)
Strategy Inc 8-K mixed materiality 6/10

26-10-2026

Strategy Inc (STRD) reported in an 8-K dated October 26, 2026 that during October 19–25, 2026 it sold no shares under its at-the-market program and bought or sold no bitcoin, while holding approximately 848,517 bitcoin acquired at an aggregate cost of $64.02 billion (average ~$75,446 per bitcoin). The company repurchased 2,068,459 STRC preferred shares for $204.9 million, funded from USD Cash, while no repurchases occurred for STRF, STRK, STRD, or MSTR common stock. Liquidity remained substantial with a $4.83 billion USD Reserve and $242.4 million of USD Cash, though the period showed no new bitcoin accumulation.

  • · No bitcoin was purchased or sold during the period, so bitcoin holdings were unchanged week over week
  • · No shares were sold under the at-the-market offering program during the period
  • · STRC repurchases were the only buybacks; STRF, STRK, STRD, and MSTR repurchases were zero
  • · Strategy used $204.9 million of USD Cash to fund the STRC repurchases, drawing down the USD Cash balance
  • · Strategy's Item 7.01 disclosure designates its website dashboard (strategy.com) as a Regulation FD disclosure channel
INTUITIVE SURGICAL INC 4 negative materiality 6/10

26-10-2026

Director GUTHART GARY S sold 20,095 Common Stock at $451.61 (~$9.08M). GUTHART GARY S holds 1,204,530 shares after the transaction. Trades executed under a Rule 10b5-1 plan.

  • · Director GUTHART GARY S sold 20,095 Common Stock at $451.61 (~$9.08M)
APPLIED MATERIALS INC /DE 8-K neutral materiality 7/10

26-10-2026

On October 26, 2026, Applied Materials entered into an accelerated share purchase agreement to acquire shares of BE Semiconductor Industries N.V. (Besi), which together with Applied's existing holdings would give Applied approximately 20% of Besi's outstanding common stock. Delivery of the shares is subject to expiration or termination of the HSR Act waiting period. No dollar purchase price is disclosed in the filing.

  • · Delivery of Besi shares is conditional on expiration or termination of the HSR Act waiting period
  • · Applied issued a press release dated October 26, 2026, furnished as Exhibit 99.1
  • · Filing includes standard forward-looking statement cautions referencing risks in Forms 10-K, 10-Q and 8-K
Lite Strategy, Inc. 4 neutral materiality 6/10

26-10-2026

CEO, CFO and Secretary File Justin J. was awarded 600,000 Employee Stock Option (Right to Buy).

  • · CEO, CFO and Secretary File Justin J. was awarded 600,000 Employee Stock Option (Right to Buy)
Lite Strategy, Inc. 4 neutral materiality 5/10

26-10-2026

Director DRISCOLL FREDERICK W was awarded 100,000 Stock Option (Right to Buy).

  • · Director DRISCOLL FREDERICK W was awarded 100,000 Stock Option (Right to Buy)
Lite Strategy, Inc. 4 neutral materiality 5/10

26-10-2026

Director Flynn James P was awarded 100,000 Stock Option (Right to Buy).

  • · Director Flynn James P was awarded 100,000 Stock Option (Right to Buy)
Lite Strategy, Inc. 4 neutral materiality 5/10

26-10-2026

Director Riezman Joshua was awarded 100,000 Stock Option (Right to Buy).

  • · Director Riezman Joshua was awarded 100,000 Stock Option (Right to Buy)
Strategy Inc DEFA14A neutral materiality 3/10

26-10-2026

Strategy Inc (STRD) filed a DEFA14A (additional definitive proxy soliciting material) dated October 26, 2026, supplementing its previously filed proxy materials. The excerpt provided contains only the forward-looking statements disclaimer referencing an August 3, 2026 filing and the company's standard risk-factor cross-references; it contains no substantive proposals, financial results, or quantitative disclosures. The filing's substantive content cannot be assessed from the excerpt alone.

  • · Filing is a DEFA14A, meaning supplemental soliciting material to shareholders in connection with a proxy solicitation.
  • · Excerpt references a prior filing made with the SEC on August 3, 2026, which is likely the underlying preliminary or definitive proxy statement this material supplements.
  • · The excerpt is limited to boilerplate forward-looking statement language; the full document should be reviewed to identify the specific proposals or matters being solicited (e.g., director elections, equity plans, or other shareholder votes).
Lite Strategy, Inc. 4 positive materiality 6/10

26-10-2026

Director Glover Nicholas bought 1,000 Common Stock at $6.55 (~$6.55K). Glover Nicholas holds 2,000 shares after the transaction.

  • · Director Glover Nicholas bought 1,000 Common Stock at $6.55 (~$6.55K)
  • · Director Glover Nicholas bought 1,000 Common Stock at $6.00 (~$6K)
  • · Director Glover Nicholas was awarded 100,000 Stock Option (Right to Buy)
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 5/10

26-10-2026

Director DENMAN KENNETH D was awarded 266 Common Stock. DENMAN KENNETH D holds 5,044.936 shares after the transaction.

  • · Director DENMAN KENNETH D was awarded 266 Common Stock
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 3/10

26-10-2026

Director DECKER SUSAN L was awarded 266 Common Stock. DECKER SUSAN L holds 8,797.936 shares after the transaction.

  • · Director DECKER SUSAN L was awarded 266 Common Stock
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 4/10

26-10-2026

Executive Vice President Adamo Claudine had withheld for taxes 198.289 Common Stock at $1,018.21 (~$202K). 5 transactions reported in total. Adamo Claudine holds 6,441.647 shares after the transaction.

  • · Executive Vice President Adamo Claudine had withheld for taxes 96.942 Common Stock at $1,018.21 (~$98.7K)
  • · Executive Vice President Adamo Claudine had withheld for taxes 198.289 Common Stock at $1,018.21 (~$202K)
  • · Executive Vice President Adamo Claudine had withheld for taxes 177.058 Common Stock at $1,018.21 (~$180K)
  • · Executive Vice President Adamo Claudine had withheld for taxes 110.967 Common Stock at $1,018.21 (~$113K)
  • · Executive Vice President Adamo Claudine had withheld for taxes 108.607 Common Stock at $1,018.21 (~$111K)
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 3/10

26-10-2026

Barbre Tiffany Marie had withheld for taxes 166.451 Common Stock at $1,018.21 (~$169K). 6 transactions reported in total. Barbre Tiffany Marie holds 6,583.68 shares after the transaction.

  • · Barbre Tiffany Marie was awarded 1,965 Common Stock
  • · Barbre Tiffany Marie had withheld for taxes 90.23 Common Stock at $1,018.21 (~$91.9K)
  • · Barbre Tiffany Marie had withheld for taxes 93.948 Common Stock at $1,018.21 (~$95.7K)
  • · Barbre Tiffany Marie had withheld for taxes 101.536 Common Stock at $1,018.21 (~$103K)
  • · Barbre Tiffany Marie had withheld for taxes 84.603 Common Stock at $1,018.21 (~$86.1K)
  • · Barbre Tiffany Marie had withheld for taxes 166.451 Common Stock at $1,018.21 (~$169K)
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 3/10

26-10-2026

Director JAMES HAMILTON E was awarded 266 Common Stock. JAMES HAMILTON E holds 55,803.936 shares after the transaction.

  • · Director JAMES HAMILTON E was awarded 266 Common Stock
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 3/10

26-10-2026

Executive Vice President George Sarah Catherine had withheld for taxes 62.467 Common Stock at $1,018.21 (~$63.6K). 5 transactions reported in total. George Sarah Catherine holds 3,868.075 shares after the transaction.

  • · Executive Vice President George Sarah Catherine had withheld for taxes 59.988 Common Stock at $1,018.21 (~$61.1K)
  • · Executive Vice President George Sarah Catherine had withheld for taxes 62.467 Common Stock at $1,018.21 (~$63.6K)
  • · Executive Vice President George Sarah Catherine had withheld for taxes 55.774 Common Stock at $1,018.21 (~$56.8K)
  • · Executive Vice President George Sarah Catherine had withheld for taxes 34.821 Common Stock at $1,018.21 (~$35.5K)
  • · Executive Vice President George Sarah Catherine had withheld for taxes 46.711 Common Stock at $1,018.21 (~$47.6K)
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 4/10

26-10-2026

Director Foulkes Helena was awarded 266 Common Stock. Foulkes Helena holds 1,352.802 shares after the transaction.

  • · Director Foulkes Helena was awarded 266 Common Stock
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 3/10

26-10-2026

Director JEWELL SARAH MR SALLY was awarded 266 Common Stock. JEWELL SARAH MR SALLY holds 3,878.936 shares after the transaction.

  • · Director JEWELL SARAH MR SALLY was awarded 266 Common Stock
COSTCO WHOLESALE CORP /NEW 4 neutral materiality 4/10

26-10-2026

Executive Vice President Klauer James C had withheld for taxes 541.85 Common Stock at $1,018.21 (~$552K). 5 transactions reported in total. Klauer James C holds 45,928.514 shares after the transaction.

  • · Executive Vice President Klauer James C had withheld for taxes 190.678 Common Stock at $1,018.21 (~$194K)
  • · Executive Vice President Klauer James C had withheld for taxes 396.177 Common Stock at $1,018.21 (~$403K)
  • · Executive Vice President Klauer James C had withheld for taxes 529.972 Common Stock at $1,018.21 (~$540K)
  • · Executive Vice President Klauer James C had withheld for taxes 442.688 Common Stock at $1,018.21 (~$451K)
  • · Executive Vice President Klauer James C had withheld for taxes 541.85 Common Stock at $1,018.21 (~$552K)
INTUITIVE SURGICAL INC 4 negative materiality 5/10

26-10-2026

SVP Chief Human Resources Offi WADORS PATRICIA L sold 1,078 Common Stock at $443.80 (~$478K). Trades executed under a Rule 10b5-1 plan.

  • · SVP Chief Human Resources Offi WADORS PATRICIA L sold 1,078 Common Stock at $443.80 (~$478K)
LAM RESEARCH CORP 4 negative materiality 7/10

26-10-2026

President and CEO ARCHER TIMOTHY sold 31,400 Common Stock at $227.02 (~$7.13M). ARCHER TIMOTHY holds 1,075,966 shares after the transaction. Trades executed under a Rule 10b5-1 plan.

  • · President and CEO ARCHER TIMOTHY exercised/converted 31,400 Common Stock at $30.03 (~$943K)
  • · President and CEO ARCHER TIMOTHY sold 31,400 Common Stock at $227.02 (~$7.13M)
  • · President and CEO ARCHER TIMOTHY exercised/converted 31,400 Employee Stock Option (Right to Buy)
INTUITIVE SURGICAL INC 4 negative materiality 7/10

26-10-2026

VP Corporate Controller Widman Fredrik sold 4,047 Common Stock at $453.21 (~$1.83M). 23 transactions reported in total. Widman Fredrik holds 1,026 shares after the transaction. Trades executed under a Rule 10b5-1 plan.

  • · VP Corporate Controller Widman Fredrik exercised/converted 307 Common Stock at $304.67 (~$93.5K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 307 Common Stock at $229.39 (~$70.4K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 312 Common Stock at $290.33 (~$90.6K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 406 Common Stock at $347.42 (~$141K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 406 Common Stock at $245.60 (~$99.7K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 567 Common Stock at $242.34 (~$137K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 567 Common Stock at $177.99 (~$101K)
  • · VP Corporate Controller Widman Fredrik exercised/converted 262 Common Stock at $166.62 (~$43.7K)
INTUITIVE SURGICAL INC 4 negative materiality 5/10

26-10-2026

Director BARRATT CRAIG H sold 1,150 Common Stock at $443.80 (~$510K). BARRATT CRAIG H holds 1,150 shares after the transaction. Trades executed under a Rule 10b5-1 plan.

  • · Director BARRATT CRAIG H exercised/converted 1,150 Common Stock at $90.49 (~$104K)
  • · Director BARRATT CRAIG H sold 1,150 Common Stock at $443.80 (~$510K)
  • · Director BARRATT CRAIG H exercised/converted 1,150 Non-Qualified Stock Option (right to buy)

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