Werewolf Therapeutics, Inc. (HOWL) — SEC Filings

Werewolf Therapeutics, Inc. (HOWL) — 34 SEC filings. Latest: 10-Q (May 7, 2026). Includes 13 8-K, 7 10-Q, 5 SC 13G/A.

View Werewolf Therapeutics, Inc. on SEC EDGAR

Overview

Werewolf Therapeutics, Inc. (HOWL) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 10-K filed on Mar 27, 2026: Werewolf Therapeutics, Inc. (HOWL) reported significant operational changes and clinical trial progress for the fiscal year ended December 31, 2025, while facing substantial doubt about its ability to continue as a going concern. The company initiated a strategic review process in February 2026, eng

Sentiment Summary

Across 34 filings, the sentiment breakdown is: 5 bearish, 29 neutral. The dominant filing sentiment for Werewolf Therapeutics, Inc. is neutral.

Filing Type Overview

Werewolf Therapeutics, Inc. (HOWL) has filed 1 4, 7 10-Q, 3 10-K, 13 8-K, 2 DEF 14A, 5 SC 13G/A, 2 SC 13D/A, 1 SC 13G with the SEC between Jan 2024 to May 2026.

Filings by Year

2026 · 2025 · 2024

Recent SEC Filings (34)

Werewolf Therapeutics, Inc. SEC Filing History
DateFormDescriptionRisk
May 7, 202610-Q10-Q Filing
Apr 29, 202644 Filing
Mar 27, 202610-KWerewolf Therapeutics Faces Going Concern Doubt, Cuts 64% of Staff Amid Strategic Reviewhigh
Mar 27, 20268-KWerewolf Therapeutics Files 8-K for Financial Resultslow
Dec 18, 20258-K8-K Filing
Nov 4, 202510-QWerewolf Therapeutics Faces Going Concern Doubt Amid Widening Losseshigh
Oct 6, 20258-KWerewolf Therapeutics Faces Delisting Concernshigh
Aug 14, 202510-QWerewolf Therapeutics' Cash Dwindles Amid Rising Losseshigh
Jun 13, 20258-KWerewolf Therapeutics Files 8-Klow
May 15, 20258-KWerewolf Therapeutics Faces Delisting Concernshigh
May 8, 202510-QWerewolf Therapeutics Files Q1 2025 10-Qmedium
Apr 28, 2025DEF 14AWerewolf Therapeutics Files Proxy Statementlow
Mar 11, 202510-KWerewolf Therapeutics Files 2024 10-Kmedium
Feb 24, 20258-KWerewolf Therapeutics Announces Leadership Changesmedium
Nov 14, 2024SC 13G/ASC 13G/A Filing
Nov 14, 2024SC 13G/ASC 13G/A Filing
Nov 13, 2024SC 13G/ASC 13G/A Filing
Nov 12, 20248-KWerewolf Therapeutics Acquiredmedium
Nov 12, 2024SC 13G/ASC 13G/A Filing
Nov 7, 202410-QWerewolf Therapeutics Q3 2024 10-Q Filingmedium

Risk Profile

Risk Assessment: Of HOWL's 24 recent filings, 5 were flagged as high-risk, 8 as medium-risk, and 11 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Werewolf Therapeutics, Inc. Financial Summary (10-K, Mar 27, 2026)
MetricValue
Revenue$0
Net IncomeNot Disclosed
EPSNot Disclosed
Debt-to-EquityNot Disclosed
Cash PositionNot Disclosed
Operating MarginNot Disclosed
Total AssetsNot Disclosed
Total DebtNot Disclosed

Key Executives

  • Dr. Rahul Chaturvedi
  • Dr. David R. Boulware
  • Ms. Sarah E. Kelly
  • Peter Kolchinsky
  • RAJEEV SHAH
  • David Rosen

Industry Context

The biopharmaceutical industry, particularly in oncology, is highly competitive and innovation-driven. Companies are focused on developing novel immunotherapies and targeted treatments to address unmet medical needs. The landscape is characterized by significant R&D investment, long development timelines, and high regulatory hurdles. Emerging technologies like conditional activation and bispecific antibodies are gaining traction for their potential to improve efficacy and safety profiles.

Top Tags

Biotechnology (5) · 10-Q (4) · Oncology (3) · Clinical Trials (3) · biotech (3) · Going Concern (2) · Cash Burn (2) · Net Loss (2) · delisting (2) · listing-standards (2)

Key Numbers

Werewolf Therapeutics, Inc. Key Metrics
MetricValueContext
Aggregate market value of common stock held by non-affiliates$39,559,339as of June 30, 2025, indicating a relatively small market capitalization for a biotech company
Shares of common stock outstanding48,596,817as of March 20, 2026
Workforce reduction64%part of the restructuring plan to extend capital resources
Estimated one-time charge for employee separation benefits$4.1 millionanticipated in Q1 2026 due to the reduction in force
Objective response rate for WTX-124 monotherapy21%in heavily pretreated patients with advanced or metastatic cutaneous melanoma by December 2025
Reduction in tumor target lesions for WTX-33045%in one confirmed partial response in metastatic gall bladder cancer by December 2025
Net Loss (Q3 2025)$16.37MSlightly improved from $16.67M in Q3 2024, but still a significant loss.
Net Loss (YTD 2025)$52.44MWidened from $50.11M in YTD 2024, indicating increasing overall losses.
Collaboration Revenue (Q3 & YTD 2025)$0A significant drop from $1.885M in YTD 2024, highlighting lack of external funding streams.
Cash & Cash Equivalents (Sept 30, 2025)$65.71MA substantial decrease from $110.99M at Dec 31, 2024, indicating rapid cash burn.
Net Cash Used in Operations (YTD 2025)$49.27MIncreased from $41.94M in YTD 2024, accelerating the depletion of cash reserves.
Common Shares Outstanding (Oct 29, 2025)48,540,200Increased from 44,827,159 at Dec 31, 2024, suggesting potential dilution from capital raises.
R&D Expenses (Q3 2025)$11.63MDecreased from $12.53M in Q3 2024, potentially signaling a slowdown in development activities.
SEC File Number001-40366Identifies the company's filings with the SEC.
IRS Employer Identification No.82-3523180Company's tax identification number.

Forward-Looking Statements

  • {"claim":"Rubric Capital Management LP will maintain a significant stake in Werewolf Therapeutics, Inc. for the foreseeable future.","entity":"Rubric Capital Management LP","targetDate":"2025-12-31","confidence":"medium"}

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Frequently Asked Questions

What are the latest SEC filings for Werewolf Therapeutics, Inc. (HOWL)?

Werewolf Therapeutics, Inc. has 34 recent SEC filings from Jan 2024 to May 2026, including 13 8-K, 7 10-Q, 5 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of HOWL filings?

Across 34 filings, the sentiment breakdown is: 5 bearish, 29 neutral. The dominant sentiment is neutral.

Where can I find Werewolf Therapeutics, Inc. SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Werewolf Therapeutics, Inc. (HOWL) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Werewolf Therapeutics, Inc.?

Key financial highlights from Werewolf Therapeutics, Inc.'s most recent 10-K include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for HOWL?

The investment thesis for HOWL includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Werewolf Therapeutics, Inc.?

Key executives identified across Werewolf Therapeutics, Inc.'s filings include Dr. Rahul Chaturvedi, Dr. David R. Boulware, Ms. Sarah E. Kelly, Peter Kolchinsky, RAJEEV SHAH and 1 others.

What are the main risk factors for Werewolf Therapeutics, Inc. stock?

Of HOWL's 24 assessed filings, 5 were flagged high-risk, 8 medium-risk, and 11 low-risk.

What are recent predictions and forward guidance from Werewolf Therapeutics, Inc.?

Recent forward-looking statements from Werewolf Therapeutics, Inc. include guidance on {"claim":"Rubric Capital Management LP will maintain a significant stake in Werewolf Therapeutics, Inc. for the foreseea.

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