Isaias Zanatta Roberto Jacobo sold $587K of MAT

Isaias Zanatta Roberto Jacobo (EVP & Chief Supply Chain Offr) sold 39,083 shares of MATTEL INC /DE/ (MAT) at $15.02 ($0.59M total) on 2026-08-31.

Original reporting
SEC EDGAR · Isaias Zanatta Roberto Jacobo
Published Sep 2, 2026, 10:21 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 2, 2026, 10:44 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
$MAT
Bearish
medium confidence
Mentioned
$MAT
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MATBearishLow
01

Why it matters

The transaction reduces the insider's ownership, which may be interpreted as a lack of confidence, but the amount is relatively small.

02

Market read

Insider sales are monitored by traders; this modest sale may cause slight short‑term price pressure.

03

What to watch

No 10b5‑1 plan; the timing may be unrelated to company fundamentals.

Relevance 5/10Novelty 4/10Timing: post‑market 2026‑08‑31

Background

Form 4 filing from SEC EDGAR reporting an insider's open‑market sale.

Company-level read

Ticker impact

$MATBearishMedium confidence
Context

EVP & Chief Supply Chain Officer sold 39,083 shares for $586,909, reducing his stake to 144,390 shares.

Expected impact

Possible modest downward pressure in the next trading session.

Evidence & confidence

The sale size is modest relative to market cap, but insider sales often trigger short-term sell sentiment.

Market effects

Minimal impact on the broader toy sector; typical insider transaction.

No significant regional effect.

Limited to investors tracking Mattel.

Counterpoint

The sale could be a routine liquidity move, not a negative signal.

Key entities

  • Isaias Zanatta Roberto Jacobo

    EVP & Chief Supply Chain Officer at Mattel.

  • Mattel Inc.

    Toy manufacturer listed on NYSE under ticker MAT.

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

$MATMed

UBS reiterates Mattel stock buy rating on CFO transition

UBS maintained a Buy rating and $28 price target for Mattel (MAT) after the company announced Peter Griffith as its new CFO. Mattel's stock trades at $17.07, with 15 analysts recommending a Buy. The company reported Q2 revenue of $1.13B, beating estimates but missing on EPS. Authentic Brands offered $20 per share for Mattel, leading to an upgrade from Seaport Global Securities.

$MATMed

Mattel Appoints Former Amgen CFO Peter Griffith as Finance Chief

Mattel has appointed Peter Griffith, former Amgen CFO, as its new finance chief and board director starting Oct. 20. Griffith's compensation includes a $1.3M base salary, $1.4M signing bonus, and stock awards. Outgoing CFO Paul Ruh will serve as an advisor until Dec. 31. Mattel plans to release Q3 results on Nov. 5.

$MATMed

Seaport upgrades Mattel stock rating on takeover prospects

Seaport Global Securities upgraded Mattel (NASDAQ:MAT) to Buy with a $20 price target, citing takeover prospects and undervaluation. Authentic Brands offered $20 per share, and Seaport suggests private equity or industry buyers could bid higher. Mattel's Q2 revenue rose 10% to $1.13B, beating estimates, but EPS missed. The company maintained its 2026 outlook and announced a new CEO, Roger Lynch. UBS reiterated its Buy rating with a $28 target.