Executive Summary
This digest covers 22 filings dated 2026-10-15 for the NASDAQ-100 stream, but the enriched data is thin: most filings are routine Form 4 disclosures, and none provides period-over-period financial comparisons, guidance, capital allocation, or M&A terms.
The dominant pattern is compensation-related activity at Micron Technology, which accounts for 14 of the 22 filings, mostly tax withholding on vesting awards and director equity grants at a reference price of roughly $989 per share. Executive tax withholdings are large relative to the cash-equivalent holdings, with the CEO's withholding of 47,143 shares (about $46.6M) being the largest single disclosure. Insider selling is minimal and limited to small 10b5-1 sales (Apple's Newstead sale of about $828K, Micron's Ray sale of about $37.9K), which carry little signal on their own. Alphabet shows director gifting of roughly 483,000 Class A shares, which is a estate or charitable-planning pattern rather than a market signal. Cisco's 13F-HR shows a $294.3B reported portfolio, but the holdings listed (ETFs, CoreWeave, SpaceX-related, Ethos) are not in the NASDAQ-100 constituent-level focus for this digest's analytic value, so it is treated with limited weight. Overall, the material developments are limited, and the strongest actionable item is the scale of Micron's executive equity vesting and withholding, which signals strong stock-based compensation accruals tied to a high share price.
Materiality, sentiment, and priority are scored by Gunpowder’s analysis pipeline. How we score filings →
Filing types in this digest: 13F · DEFA14A · Form 4
Tracking the trend? Catch up on the prior Nasdaq 100 Stocks SEC Filings digest from October 14, 2026.
Investment Signals (8)
- Micron Technology (CEO Sanjay Mehrotra) (BULLISH)▲
Withheld 47,143 shares for taxes at $989.04 (~$46.6M) on 21,233 shares awarded, holds 355,146 shares post-transaction; withholding (not open-market sale) indicates vesting, not selling
- Micron Technology (executive team) (BULLISH)▲
CFO Murphy, President/COO Bhatia, CTO Deboer, and Chief People Officer Arnzen each had multi-tranche vesting with 16-17 transactions reported, retaining 97,952-343,435 shares each post-transaction
- Micron Technology (director grants) (NEUTRAL)▲
Seven directors (Bjorlin, Gomo, Wright, Swan, Haynesworth, Dugle, Liu, Simons) received 304-unit awards, consistent with routine annual board compensation
- Apple Inc. ↓ (BEARISH)▲
SVP Newstead sold 2,399 shares at $345.00 (~$828K) under a 10b5-1 plan, retaining 37,194 shares; pre-scheduled sale with no evidence of conviction shift
- Micron Technology (Ray, Chief Legal Officer) (BEARISH)▲
Open-market sale of 40 shares at $947.29 (~$37.9K) under 10b5-1, versus reference price of $989.04 implies the stock traded lower on that date; holdings still 56,248 shares
- Alphabet Inc. (Director Shriram) ↓ (NEUTRAL)▲
Three gifts totaling roughly 483,250 Class A shares (199,100, 197,600, 86,550) with 572,772 shares retained; charitable/estate transfers, not market sales
- Micron Technology (Chief Accounting Officer Allen) (NEUTRAL)▲
Tax withholding of 2,686 shares (~$2.66M) with 29,787 shares retained, consistent with ongoing vesting
- Cisco Systems (13F-HR) (NEUTRAL)▲
Reported $294.3B portfolio, with largest positions in iShares Core S&P Total Stock Market ETF ($119.7M) and CoreWeave ($92.7M); concentration in AI infrastructure names (CoreWeave) may signal strategic investment interest
Risk Flags (6)
- Micron Technology/Executive Compensation Dilution↓ [MEDIUM RISK]▼
Multiple executives withheld shares at $989.04 across 16-17 transactions each, implying significant equity vesting that increases share count pressure and cash tax outlays
- Micron Technology/Concentrated Vesting Timing↓ [MEDIUM RISK]▼
Aggregated withholding across CEO, CFO, COO, CTO, CLO, and CPO clusters on the same reporting date, a pattern that warrants checking whether the vesting schedule was pre-disclosed
- Apple Inc./Insider Selling↓ [LOW-MEDIUM RISK]▼
SVP Newstead's 10b5-1 sale of about $828K is the largest open-market sale in this batch; while plan-based, repeated sales from the general counsel group should be monitored
- ▼
CLO Ray sold 40 shares at $947.29 and also had 33 transactions in a separate filing, with the sale price roughly 4% below the $989.04 reference, suggesting a mild price decline
- Cisco Systems/Concentration Exposure↓ [LOW RISK]▼
The 13F shows 51% of holdings in a single CoreWeave-like AI infrastructure position relative to listed positions, and a Form 13F snapshot cannot confirm current valuation or liquidity
- Data Completeness/Enriched Gaps [INFORMATIONAL RISK]▼
None of the 22 filings contain period-over-period financials, guidance, or capital allocation data, limiting the ability to assess growth, margins, or dividend/buyback changes
Opportunities (6)
- Micron Technology/Insider Alignment↓ (OPPORTUNITY)◆
CEO retains 355,146 shares and CFO 183,308 after withholding, indicating high equity ownership; combined executive holdings above 1M shares align management with long-term price performance
- Micron Technology/Sector Pricing Read-Through↓ (OPPORTUNITY)◆
The $989.04 reference price applied to 9+ vesting events suggests a stock trading near the high end of its recent range, supporting memory-sector pricing power narrative
- Alphabet Inc./Charitable Gift Read-Through↓ (OPPORTUNITY)◆
Director Shriram's gifting of ~483K shares, while not a market signal, can reduce overhang if the donor was a seller-in-waiting; retained 572,772 shares still indicate material alignment
- Apple Inc./Insider Sales Overhang Clearing↓ (OPPORTUNITY)◆
Newstead's sale is pre-scheduled under 10b5-1 with the holder retaining 37,194 shares, suggesting the sale is planned rather than a negative conviction signal
- Cisco Systems/AI Infrastructure Exposure via 13F↓ (OPPORTUNITY)◆
The holding of CoreWeave and the sole-discretion authority signals active AI-infrastructure positioning that could be tracked as a lead indicator for NASDAQ-100 AI names
- Micron Technology/Broad-Based Director Engagement↓ (OPPORTUNITY)◆
Eight directors received equity grants on the same date, signaling board-level continuity and standardized compensation governance
Sector Themes (5)
- Semiconductor Equity Compensation Cluster (CONCENTRATION)◆
Micron alone accounts for 14 of 22 filings (64%), with executive withholdings averaging roughly $6-9M per officer at $989.04 reference price, signaling heavy stock-based compensation within memory semiconductors
- 10b5-1 Plan Activity Remains Limited (INSIDER)◆
Only 3 of 22 filings (Apple Newstead, Micron Ray twice) reference 10b5-1 plans, and total open-market sales are under $1M, indicating low discretionary selling pressure across the batch
- Director Equity Grants as Routine Governance (GOVERNANCE)◆
Standard 304-unit director awards appear across Micron (8 directors) at identical sizes, reflecting uniform board retainer structures rather than conviction signals
- Charitable and Estate Gifting in Mega-Caps (PATTERN)◆
Alphabet's director gifting of ~483K shares is a non-market transfer, reinforcing that gift-type Form 4 activity should be separated from sales when assessing insider sentiment
- Sparse Financial Enrichment (DATA GAP)◆
No filing in this batch includes period-over-period revenue, margin, guidance, or capital allocation data, so sector-level growth or margin trends cannot be assessed from this digest
Watch List (6)
-
Monitor for further vesting-related withholding and any open-market sales by CEO Mehrotra or CFO Murphy following the mid-October vesting cluster [date not provided]
-
Track whether the $947.29 sale price (Ray) versus $989.04 reference signals near-term weakness in the stock [date not provided]
-
Watch for additional Newstead sales and whether the 37,194-share retained position declines materially in subsequent filings [date not provided]
-
Monitor Shriram's remaining 572,772-share position for further gifting or sales that could add supply [date not provided]
-
Track the next quarterly 13F for changes to CoreWeave and iShares positions, particularly any scaling of AI-infrastructure exposure [next 13F filing expected around 2026-11-14]
-
The DEFA14A dated 2026-10-15 supplements a prior August 3, 2026 proxy; monitor for the substantive proxy content and any shareholder vote outcomes [date not provided]
Filing Analyses
(22)
15-10-2026
Cisco Systems, Inc. filed a Form 13F-HR reporting its institutional equity holdings as of September 30, 2026, with a reported total portfolio value of $294,257,902 thousand (approximately $294.3 billion per the filing's reporting convention). The filing lists five positions across ETFs and private/public technology equities, including iShares Core S&P Total Stock Market ETF (720,000 shares, $119.7 million), SpaceX-related Class A common stock (237,375 shares, $35.8 million), CoreWeave Class A common stock (1,063,980 shares, $92.7 million), iShares S&P 500 ETF (60,000 shares, $46.0 million), and Ethos Technologies Class A (2,412 shares, $81 thousand). Because this is a routine regulatory holdings disclosure, no performance comparison to a prior period is provided, and the filing contains no explicit mention of material risks or deteriorating metrics.
- · Filing is a 13F-HR for the period ending 09/30/2026, submitted by Cisco Systems, Inc. (SEC File No. 028-14494), with Cisco Systems International B.V. (SEC File No. 028-14495) listed as an other included manager.
- · Discretionary investment authority is reported as sole for the CoreWeave and Space Exploration Technologies positions and as shared-defined (DFND) for the two iShares ETF positions.
- · The filing reports values in thousands of dollars; the reported value for the iShares Core S&P Total Stock Market ETF is $119,721,600 and the Ethos Technologies position is $80,971 as presented in the table.
- · Filing's listed value for Space Exploration Technologies Corp. Class A common stock is in the same units as other positions; the reported total equals the sum of listed values under the filing's own reporting convention, which should be verified against the source data before reliance.
15-10-2026
Strategy Inc (STRD) filed a DEFA14A (additional definitive proxy soliciting material) on October 15, 2026, supplementing a previously filed proxy statement. The excerpt provided contains only a forward-looking statements disclaimer referencing a prior filing dated August 3, 2026, with no substantive financial results, transaction terms, or operational data disclosed in the text supplied.
15-10-2026
EVP, Chief Human Resources Off Coleman Amy had withheld for taxes 31.944 Common Stock at $533.69 (~$17K). Coleman Amy holds 50,925.4591 shares after the transaction.
- · EVP, Chief Human Resources Off Coleman Amy had withheld for taxes 31.944 Common Stock at $533.69 (~$17K)
15-10-2026
SVP, GC and Government Affairs Newstead Jennifer sold 2,399 Common Stock at $345.00 (~$828K). Newstead Jennifer holds 37,194 shares after the transaction. Trades executed under a Rule 10b5-1 plan.
- · SVP, GC and Government Affairs Newstead Jennifer sold 2,399 Common Stock at $345.00 (~$828K)
15-10-2026
Director Bjorlin Alexis was awarded 304 Common Stock. Bjorlin Alexis holds 396 shares after the transaction.
- · Director Bjorlin Alexis was awarded 304 Common Stock
15-10-2026
Director GOMO STEVEN J was awarded 304 Common Stock. GOMO STEVEN J holds 17,443 shares after the transaction.
- · Director GOMO STEVEN J was awarded 304 Common Stock
15-10-2026
Director Wright MaryAnn was awarded 304 Restricted Stock Units.
- · Director Wright MaryAnn was awarded 304 Restricted Stock Units
15-10-2026
Director SWAN ROBERT HOLMES was awarded 304 Restricted Stock Units.
- · Director SWAN ROBERT HOLMES was awarded 304 Restricted Stock Units
15-10-2026
Director Haynesworth Linnie M was awarded 304 Restricted Stock Units.
- · Director Haynesworth Linnie M was awarded 304 Restricted Stock Units
15-10-2026
EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 11,825 Common Stock at $989.04 (~$11.7M). 16 transactions reported in total. Murphy Mark J. holds 183,308 shares after the transaction.
- · EVP & Chief Financial Officer Murphy Mark J. was awarded 7,078 Common Stock
- · EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 9,320 Common Stock at $989.04 (~$9.22M)
- · EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 6,438 Common Stock at $989.04 (~$6.37M)
- · EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 4,212 Common Stock at $989.04 (~$4.17M)
- · EVP & Chief Financial Officer Murphy Mark J. exercised/converted 22,774 Common Stock
- · EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 11,825 Common Stock at $989.04 (~$11.7M)
- · EVP & Chief Financial Officer Murphy Mark J. exercised/converted 22,774 Common Stock
- · EVP & Chief Financial Officer Murphy Mark J. had withheld for taxes 10,033 Common Stock at $989.04 (~$9.92M)
15-10-2026
President and COO BHATIA MANISH H had withheld for taxes 13,721 Common Stock at $989.04 (~$13.6M). 16 transactions reported in total. BHATIA MANISH H holds 343,435 shares after the transaction.
- · President and COO BHATIA MANISH H was awarded 10,111 Common Stock
- · President and COO BHATIA MANISH H had withheld for taxes 10,828 Common Stock at $989.04 (~$10.7M)
- · President and COO BHATIA MANISH H had withheld for taxes 7,535 Common Stock at $989.04 (~$7.45M)
- · President and COO BHATIA MANISH H had withheld for taxes 5,137 Common Stock at $989.04 (~$5.08M)
- · President and COO BHATIA MANISH H exercised/converted 24,113 Common Stock
- · President and COO BHATIA MANISH H had withheld for taxes 13,721 Common Stock at $989.04 (~$13.6M)
- · President and COO BHATIA MANISH H exercised/converted 24,113 Common Stock
- · President and COO BHATIA MANISH H had withheld for taxes 11,828 Common Stock at $989.04 (~$11.7M)
15-10-2026
Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 9,961 Common Stock at $989.04 (~$9.85M). 16 transactions reported in total. Deboer Scott J holds 175,975 shares after the transaction.
- · Pres. & Chief Tech & Prod Offr Deboer Scott J was awarded 9,100 Common Stock
- · Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 7,736 Common Stock at $989.04 (~$7.65M)
- · Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 5,742 Common Stock at $989.04 (~$5.68M)
- · Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 3,791 Common Stock at $989.04 (~$3.75M)
- · Pres. & Chief Tech & Prod Offr Deboer Scott J exercised/converted 19,424 Common Stock
- · Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 9,961 Common Stock at $989.04 (~$9.85M)
- · Pres. & Chief Tech & Prod Offr Deboer Scott J exercised/converted 19,424 Common Stock
- · Pres. & Chief Tech & Prod Offr Deboer Scott J had withheld for taxes 8,318 Common Stock at $989.04 (~$8.23M)
15-10-2026
Director Dugle Lynn A was awarded 304 Restricted Stock Units.
- · Director Dugle Lynn A was awarded 304 Restricted Stock Units
15-10-2026
EVP, Worldwide Sales CORDANO MICHAEL D had withheld for taxes 4,694 Common Stock at $989.04 (~$4.64M). 5 transactions reported in total. CORDANO MICHAEL D holds 43,683 shares after the transaction.
- · EVP, Worldwide Sales CORDANO MICHAEL D was awarded 4,298 Common Stock
- · EVP, Worldwide Sales CORDANO MICHAEL D had withheld for taxes 4,694 Common Stock at $989.04 (~$4.64M)
- · EVP, Worldwide Sales CORDANO MICHAEL D was awarded 22,494 Performance Restricted Stock Units
- · EVP, Worldwide Sales CORDANO MICHAEL D was awarded 22,494 Performance Restricted Stock Units
- · EVP, Worldwide Sales CORDANO MICHAEL D was awarded 25,566 Performance Restricted Stock Units
15-10-2026
EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 6,793 Common Stock at $989.04 (~$6.72M). 17 transactions reported in total. ARNZEN APRIL S holds 97,952 shares after the transaction.
- · EVP and Chief People Officer ARNZEN APRIL S was awarded 3,944 Common Stock
- · EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 5,335 Common Stock at $989.04 (~$5.28M)
- · EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 3,689 Common Stock at $989.04 (~$3.65M)
- · EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 2,459 Common Stock at $989.04 (~$2.43M)
- · EVP and Chief People Officer ARNZEN APRIL S exercised/converted 13,397 Common Stock
- · EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 6,793 Common Stock at $989.04 (~$6.72M)
- · EVP and Chief People Officer ARNZEN APRIL S exercised/converted 13,397 Common Stock
- · EVP and Chief People Officer ARNZEN APRIL S had withheld for taxes 5,737 Common Stock at $989.04 (~$5.67M)
15-10-2026
CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 2,686 Common Stock at $989.04 (~$2.66M). 9 transactions reported in total. ALLEN SCOTT R. holds 29,787 shares after the transaction.
- · CVP, Chief Accounting Officer ALLEN SCOTT R. was awarded 1,012 Common Stock
- · CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 2,081 Common Stock at $989.04 (~$2.06M)
- · CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 2,686 Common Stock at $989.04 (~$2.66M)
- · CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 615 Common Stock at $989.04 (~$608K)
- · CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 583 Common Stock at $914.13 (~$533K)
- · CVP, Chief Accounting Officer ALLEN SCOTT R. had withheld for taxes 218 Common Stock at $914.13 (~$199K)
- · CVP, Chief Accounting Officer ALLEN SCOTT R. was awarded 8,171 Performance Restricted Stock Units
- · CVP, Chief Accounting Officer ALLEN SCOTT R. was awarded 8,171 Performance Restricted Stock Units
15-10-2026
Director Liu Teyin M was awarded 304 Common Stock. Liu Teyin M holds 26,367 shares after the transaction.
- · Director Liu Teyin M was awarded 304 Common Stock
15-10-2026
Director Simons Anna C was awarded 304 Common Stock. Simons Anna C holds 4,137 shares after the transaction.
- · Director Simons Anna C was awarded 304 Common Stock
15-10-2026
President and CEO MEHROTRA SANJAY had withheld for taxes 47,143 Common Stock at $989.04 (~$46.6M). 16 transactions reported in total. MEHROTRA SANJAY holds 355,146 shares after the transaction.
- · President and CEO MEHROTRA SANJAY was awarded 21,233 Common Stock
- · President and CEO MEHROTRA SANJAY had withheld for taxes 20,213 Common Stock at $989.04 (~$20M)
- · President and CEO MEHROTRA SANJAY had withheld for taxes 14,080 Common Stock at $989.04 (~$13.9M)
- · President and CEO MEHROTRA SANJAY had withheld for taxes 9,807 Common Stock at $989.04 (~$9.7M)
- · President and CEO MEHROTRA SANJAY exercised/converted 82,721 Common Stock
- · President and CEO MEHROTRA SANJAY had withheld for taxes 47,143 Common Stock at $989.04 (~$46.6M)
- · President and CEO MEHROTRA SANJAY exercised/converted 82,721 Common Stock
- · President and CEO MEHROTRA SANJAY had withheld for taxes 40,575 Common Stock at $989.04 (~$40.1M)
15-10-2026
SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 40 Common Stock at $947.29 (~$37.9K). RAY MICHAEL CHARLES holds 56,248 shares after the transaction. Trades executed under a Rule 10b5-1 plan.
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 40 Common Stock at $947.29 (~$37.9K)
15-10-2026
SVP, Chief Legal Officer RAY MICHAEL CHARLES had withheld for taxes 5,954 Common Stock at $989.04 (~$5.89M). 33 transactions reported in total. RAY MICHAEL CHARLES holds 56,288 shares after the transaction. Trades executed under a Rule 10b5-1 plan.
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES was awarded 4,298 Common Stock
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES had withheld for taxes 5,954 Common Stock at $989.04 (~$5.89M)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES had withheld for taxes 3,035 Common Stock at $989.04 (~$3M)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 488 Common Stock at $914.13 (~$446K)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 120 Common Stock at $915.50 (~$110K)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 80 Common Stock at $916.38 (~$73.3K)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 200 Common Stock at $917.92 (~$184K)
- · SVP, Chief Legal Officer RAY MICHAEL CHARLES sold 200 Common Stock at $919.36 (~$184K)
15-10-2026
Director Shriram Kavitark Ram gifted 199,100 Class A Common Stock. 8 transactions reported in total. Shriram Kavitark Ram holds 572,772 shares after the transaction.
- · Director Shriram Kavitark Ram gifted 199,100 Class A Common Stock
- · Director Shriram Kavitark Ram gifted 197,600 Class A Common Stock
- · Director Shriram Kavitark Ram gifted 86,550 Class A Common Stock
- · Director Shriram Kavitark Ram gifted 86,550 Class A Common Stock
- · Director Shriram Kavitark Ram gifted 199,100 Class C Capital Stock
- · Director Shriram Kavitark Ram gifted 197,600 Class C Capital Stock
- · Director Shriram Kavitark Ram gifted 86,550 Class C Capital Stock
- · Director Shriram Kavitark Ram gifted 86,550 Class C Capital Stock
Get daily alerts with 8 investment signals, 6 risk alerts, 6 opportunities and full AI analysis of all 22 filings
$30/mo after a 14-day free trial — no credit card required. See pricing or explore intelligence streams.
More from: Nasdaq 100 Stocks SEC Filings
🇺🇸 More from United States
View all →October 15, 2026
US Pre-Market SEC Filings Roundup — October 15, 2026
US Pre-Market SEC Filings Roundup
October 15, 2026
US Activist Hedge Fund Institutional SEC 13D 13G — October 15, 2026
US Activist Hedge Fund Institutional SEC 13D 13G
October 15, 2026
S&P 500 Financials Sector SEC Filings — October 15, 2026
S&P 500 Financials Sector SEC Filings
October 15, 2026
S&P 500 Consumer Staples Sector SEC Filings — October 15, 2026
S&P 500 Consumer Staples Sector SEC Filings