$ILMN

Meister Keith A. sold $85.2M of ILMN (indirect holdings)

Meister Keith A. sold 375,941 indirectly-held shares of ILLUMINA, INC. (ILMN) at an average of $226.74 ($224.72–$231.23, $85.24M total) across 13 trades over 2026-08-25 to 2026-08-27.

Original reporting
SEC EDGAR · Meister Keith A.
Published Aug 27, 2026, 11:35 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 27, 2026, 11:37 PM UTC. Informational, not investment advice.
How this was made
alphai summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
alphai market briefInsider activity
Primary signal
$ILMN
Bearish
medium confidence
Mentioned
$ILMN
Relevance
8/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$ILMNBearishLow
01

Why it matters

The sizable director sale could trigger short interest and affect short‑term price dynamics.

02

Market read

Material insider sell by a director is a notable event for traders monitoring ILMN.

03

What to watch

The sale was executed via a 10b5‑1 plan, indicating pre‑planned execution rather than reaction to new information.

Relevance 8/10Novelty 8/10Timing: Filed Aug 27 2026 (Form 4 filing date)

Background

SEC Form 4 filing discloses insider transactions required by the SEC.

Company-level read

Ticker impact

$ILMNBearishMedium confidence
Context

Director Meister Keith A. sold 375,941 shares for $85.2M, reducing his stake to 1,033,910 shares.

Expected impact

Potential short-term downside of 2‑4% as market digests the sale.

Evidence & confidence

The $85M sale by a director is material and likely to be viewed negatively by investors.

Market effects

May weigh on other genomics and diagnostics stocks as investors reassess insider sentiment.

Limited to US biotech sector; no broader regional effect.

Minimal global impact beyond Illumina and its peers.

Counterpoint

Insider may be diversifying portfolio; sale does not necessarily reflect company fundamentals.

Key entities

  • Illumina, Inc.

    US‑listed genomics and diagnostics firm (ticker ILMN).

  • Meister Keith A.

    Director of Illumina who sold shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$ILMNMed

Does Illumina’s (ILMN) New Credit Line Quietly Redefine Its Risk Buffer and Strategic Flexibility?

Illumina (ILMN) secured a new $1.00 billion revolving credit facility, replacing its 2023 agreement. The facility offers variable-rate borrowing and covenant limits, with no amounts drawn initially. This enhances liquidity and financial flexibility amid stronger revenue and earnings guidance. The company's focus remains on clinical sequencing, with risks including competition, China exposure, and research funding. Analysts' revenue growth expectations vary, with some projecting 5.2% annual growt

$ILMNMedAI 8/10

Illumina Stock Is Up 82% in Six Months. The Street’s Target Still Trails It.

Illumina (ILMN) stock has risen 82% in six months, closing at $223.22 on August 24. The surge follows three quarters of raised guidance due to strong clinical sequencing demand. Analysts' average price target is $199, 11% below the current price. TIKR's model values the stock at $259 by late 2030, implying a 16% total return. Potential S&P 500 inclusion adds speculative momentum.

$ILMNHighAI 8/10

Illumina (ILMN) Replaces Prior Deal With $1 Billion Revolving Credit Facility

Illumina (ILMN) has secured a new $1 billion unsecured revolving credit facility, replacing its prior agreement. The facility offers updated covenants and increased flexibility for future financing. According to the company, it will serve as a liquidity backstop and support capital structure decisions. The credit line is expected to fund working capital, equipment, and potential projects, but may impact debt-to-equity metrics if not matched by earnings growth.

$MRNAMedAI 8/10

Three Cancer Research Stocks to Watch After Moderna’s Breakthrough

Moderna's [MRNA] personalized mRNA cancer vaccine, intismeran, met Phase 3 trial endpoints, boosting its shares and Merck's [MRK] as it's administered with Keytruda. Illumina [ILMN] and Pacific Biosciences [PACB] also rose due to their sequencing technology's role. BioNTech [BNTX] gained as investors reassessed mRNA cancer therapies. Moderna reported Q2 revenue of $145M and a net loss of $782M, while Illumina reported Q2 revenue of $1.16B and raised 2026 guidance. BioNTech reported Q2 revenue of

$MRKHighAI 9/10

StockWatch: Merck/Moderna Cancer Vaccine Gives a Shot in the Arm to Sequencing Companies, Too

Merck (MRK) and Moderna (MRNA) announced positive Phase III results for their cancer vaccine, intismeran, showing improved outcomes when combined with Keytruda. Shares of both companies surged, with Moderna gaining 130.5% over three days. Sequencing companies like Illumina (ILMN) and PacBio (PACB) also saw gains due to the personalized nature of the therapy. Analysts upgraded Moderna's stock, citing broadened sales potential, while others remained cautious about long-term expectations.