Mock James M sold $4.7M of MRNA

Mock James M (Chief Financial Officer) sold 34,836 shares of Moderna, Inc. (MRNA) at $134.49 ($4.69M total) across 2 trades on 2026-09-10 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Mock James M
Published Sep 14, 2026, 8:25 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 14, 2026, 10:05 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
$MRNA
Bearish
medium confidence
Mentioned
$MRNA
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MRNABearishLow
01

Why it matters

The disclosed sale adds new information about insider activity, but the amount is modest relative to market cap.

02

Market read

Provides fresh data for traders tracking insider activity; limited immediate trading impetus.

03

What to watch

The 10b5‑1 plan pre‑arranged nature reduces speculation about timing motives.

Relevance 5/10Novelty 6/10Timing: filing date 2026‑09‑14, reflects sale on 2026‑09‑10

Background

Form 4 filings disclose insider transactions; CFO sales are closely monitored for potential signals.

Company-level read

Ticker impact

$MRNABearishMedium confidence
Context

CFO James M. Mock sold 34,836 shares for $4.7M via a 10b5‑1 plan on 2026‑09‑10.

Expected impact

Possible modest downside of 1‑2% over the next few days.

Evidence & confidence

Insider sales by a senior officer are material, especially when executed through a pre‑arranged plan at a high price, suggesting the insider is cashing out.

Market effects

May weigh on biotech sector sentiment as CFO insider sales are watched closely.

Limited to US biotech investors; no broader regional effect.

Minimal global impact beyond Moderna shareholders.

Counterpoint

The sale could be routine cash diversification; the high price may indicate confidence in near‑term valuation.

Key entities

  • James M. Mock

    Chief Financial Officer of Moderna, Inc.

  • Moderna, Inc.

    Biotech firm developing mRNA therapeutics.

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

$MRNAHigh

Moderna Soars 8% on Early Multiple Myeloma Data for Its Three-in-One mRNA Therapy

Moderna (MRNA) shares rose 8% after early data showed its experimental multiple myeloma therapy, mRNA-2808, had four confirmed responses among 11 heavily pretreated patients. The therapy aims to produce three cancer drugs simultaneously, though it is years away from competing with established treatments from Johnson & Johnson (JNJ), Pfizer (PFE), and Regeneron (REGN). The company reports third-quarter results on Friday.

$MRNAMedAI 8/10

Moderna Advances Investigational Bundibugyo Ebolavirus Vaccine Toward Phase 2/3 Study

Moderna's mRNA-1469 vaccine candidate for Bundibugyo ebolavirus (BDBV) has been recommended by the WHO to advance to a Phase 2/3 study in the DRC, following encouraging Phase 1 results. The study, supported by CEPI, aims to evaluate the vaccine's efficacy in protecting against BDBV. Moderna's CEO highlighted the potential of mRNA technology in rapidly developing vaccines for emerging infectious diseases.

$MRNAMedAI 8/10

Moderna, Inc.: Moderna Announces Oral Presentation of mRNA-2808 Clinical Data at 2026 American Society of Hematology Annual Meeting

Moderna (MRNA) announced initial Phase 1/2 clinical data for mRNA-2808, a multiplexed mRNA therapeutic for relapsed or refractory multiple myeloma, will be presented at the 2026 ASH Annual Meeting. Four confirmed responses were observed in 11 evaluable patients, with no dose-limiting toxicities. The company expects to present updated data in December.