← Back to All Filings

MPM Asset Management Files to Sell Minor Werewolf Therapeutics Stake

Low SignificanceNovember 4, 2025 at 5:03:08 PM EST

Werewolf Therapeutics, Inc.

$HOWL144CIK: 0001785530

Subscribe to track HOWL

Premium users can add ticker alerts and receive realtime notification updates.

Filing Summary

MPM Files to Sell Minor Werewolf Therapeutics Stake

Company: Werewolf Therapeutics, Inc. (Not Available) Form: 144 | Filed: 2025-11-04 Significance: Low

Insider: MPM Asset Management Investors BV2014 LLC Title: null | Relationship: Shareholder

Transaction (Proposed Sale): • Type: Sell • Shares: 4,479 • Value: ~$5,867 • Price: ~$1.31 • Owned After: Not Available

Key Insight: This is a notice of a proposed sale of a negligible amount of stock ($5.9k) by a major shareholder. The transaction is part of a pre-arranged 10b5-1 trading plan, indicating it is not based on recent market events.

Market Context: The sale represents less than 0.01% of the company's market cap and shares outstanding, making its financial impact immaterial.

View Full Filing

This is PUBLIC SEC data for educational purposes. Not investment advice.

Comprehensive Analysis

SEC Filing Analysis: Werewolf Therapeutics, Inc. (null)

Executive Summary

  • Trading Significance: Low
  • Key Takeaway: MPM Asset Management, a significant shareholder, has filed a notice of proposed sale for a de minimis amount of stock ($5,867) under a pre-scheduled 10b5-1 trading plan.
  • Market Impact: The transaction is negligible and expected to have no impact on the stock.

Company Information

FieldValue
CompanyWerewolf Therapeutics, Inc.
Ticker Symbolnull
CIK0001785530
IndustryPHARMACEUTICAL PREPARATIONS

Insider Information

FieldValue
NameMPM Asset Management Investors BV2014 LLC
CIK0001609495
Title/Positionnull
RelationshipShareholder

Transaction Details

FieldValue
Form Type144
Transaction Date2025-11-04
Transaction CodeS
Security TypeCommon Stock
Shares Involved4479
Price Per Share$1.31
Total Value$5867.49
Shares Owned Afternull
Ownership TypeIndirect

Financial Impact Assessment

Transaction Materiality

MetricValue
Transaction Value$5,867.49
% of Market Cap0.0098%
Shares Transacted4,479
% of Shares Outstanding0.0098%
Post-Transaction OwnershipNot Available
Materiality AssessmentLow

Impact Evaluation

  • Market Cap Context: For a company with a $60 million market capitalization, this transaction of less than $6,000 is financially insignificant.
  • Ownership Concentration: While filed by a major institutional shareholder, the size of this specific sale is too small to affect ownership concentration meaningfully.
  • Transaction Significance: The sale is well below the thresholds for moderate significance (>0.1% of market cap or shares outstanding). Its primary relevance is noting the existence of an active 10b5-1 plan for the filer.

Market Impact Analysis

Stock Impact Prediction

  • Direction: Neutral
  • Reasoning: The transaction size is immaterial. As a notice of a proposed sale under a 10b5-1 plan, it does not signal any new negative sentiment from the insider.

Volume & Sentiment

  • Expected Volume Impact: None. The number of shares is trivial compared to typical daily trading volume.
  • Sentiment Indicator: Neutral. This is a routine, pre-planned transaction with no informational value for investors.

Additional Context

Special Circumstances

  • This filing was made pursuant to a Rule 10b5-1 trading plan adopted on September 24, 2025. This indicates the decision to sell was made well in advance and is not a reaction to current events.
Topics:#SECFiling#Form144#InsiderTrading#WerewolfTherapeutics#MPMAssetManagement#StockMarket#Investing#LowSignificance#10b51

Get Real-Time Alerts

Join our community to receive instant notifications when high-significance filings are published

Important Disclaimer

This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.

Nothing here is a recommendation to buy, sell, or hold any security. Do your own due diligence.