Werewolf Therapeutics, Inc. (HOWL)

Werewolf Therapeutics, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Werewolf Therapeutics, Inc. (HOWL) is a Biotechnology company based in US with a market capitalization of $21.9M. Free cash flow was negative at -$60.3M. This page tracks HOWL's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 46 employees · IPO Apr 30, 2021

Valuation

Valuation & price

$0.52 · as of May 17, 2026 · -76.5% vs 52w high

P/E ratio

Latest-FY diluted EPS

0.88

P/B ratio

Market cap ÷ book equity

Dividend yield

Price — last 12 months

$2.08$1.20$0.32Jul 25Dec 25Jul 26Jul 7, 25$1.05Jul 9, 25$1.07Jul 11, 25$1.19Jul 15, 25$1.31Jul 17, 25$1.40Jul 21, 25$1.40Jul 23, 25$1.39Jul 25, 25$1.36Jul 29, 25$1.30Jul 31, 25$1.21Aug 4, 25$1.24Aug 6, 25$1.19Aug 11, 25$1.18Aug 13, 25$1.35Aug 15, 25$1.33Aug 19, 25$1.27Aug 21, 25$1.28Aug 25, 25$1.37Aug 27, 25$1.33Aug 29, 25$1.31Sep 3, 25$1.37Sep 5, 25$1.35Sep 9, 25$1.37Sep 11, 25$1.43Sep 16, 25$1.45Sep 18, 25$1.45Sep 22, 25$1.84Sep 24, 25$2.08Sep 26, 25$2.07Sep 30, 25$1.97Oct 2, 25$1.92Oct 6, 25$2.03Oct 8, 25$1.88Oct 10, 25$1.63Oct 14, 25$1.67Oct 16, 25$1.67Oct 21, 25$1.61Oct 23, 25$1.57Oct 27, 25$1.69Oct 29, 25$1.56Oct 31, 25$1.31Nov 4, 25$1.21Nov 6, 25$1.20Nov 10, 25$1.16Nov 12, 25$1.09Nov 14, 25$0.92Nov 18, 25$0.92Nov 20, 25$0.85Nov 25, 25$0.91Nov 28, 25$1.00Dec 2, 25$0.86Dec 4, 25$1.00Dec 8, 25$1.00Dec 10, 25$1.07Dec 12, 25$1.10Dec 16, 25$1.08Dec 18, 25$0.65Dec 22, 25$0.67Dec 24, 25$0.66Dec 29, 25$0.62Jan 2, 26$0.64Jan 6, 26$0.64Jan 8, 26$0.63Jan 12, 26$0.57Jan 14, 26$0.58Jan 16, 26$0.55Jan 21, 26$0.60Jan 23, 26$0.67Jan 27, 26$0.67Jan 29, 26$0.72Feb 2, 26$0.68Feb 4, 26$0.64Feb 9, 26$0.67Feb 11, 26$0.67Feb 13, 26$0.65Feb 18, 26$0.66Feb 20, 26$0.67Feb 24, 26$0.66Feb 26, 26$0.63Mar 2, 26$0.58Mar 4, 26$0.61Mar 6, 26$0.63Mar 10, 26$0.74Mar 12, 26$0.83Mar 17, 26$0.87Mar 19, 26$0.81Mar 23, 26$0.82Mar 25, 26$0.78Mar 27, 26$0.78Mar 31, 26$0.83Apr 2, 26$1.01Apr 7, 26$1.00Apr 9, 26$0.90Apr 13, 26$0.92Apr 15, 26$0.92Apr 17, 26$0.95Apr 22, 26$0.93Apr 24, 26$0.81Apr 28, 26$0.74Apr 30, 26$0.72May 4, 26$0.69May 6, 26$0.65May 8, 26$0.68May 12, 26$0.63May 14, 26$0.54May 18, 26$0.50May 20, 26$0.44May 22, 26$0.44May 28, 26$0.46Jun 1, 26$0.47Jun 3, 26$0.42Jun 5, 26$0.39Jun 9, 26$0.37Jun 11, 26$0.39Jun 15, 26$0.39Jun 17, 26$0.34Jun 22, 26$0.37Jun 24, 26$0.37Jun 26, 26$0.32Jul 2, 26$0.34
$0.3152-week range$2.19
Loading valuation history…

Fundamentals

Key fundamentals

$21.9M

Market cap

Revenue growth (YoY)

3.8%

Gross margin

-$60.3M

Free cash flow (USD)

-$48.5M

Net debt

Net cash position

6.2%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

20192025

FY 2019$0.00FY 2020$0.00FY 2021$0.00FY 2022$16.4MFY 2023$19.9MFY 2024$1.9MFY 2025$0.00
$0$0

Free cash flow by year

20192025

FY 2019$-9.8MFY 2020$-19.2MFY 2021$-43.4MFY 2022$-44.2MFY 2023$-33.4MFY 2024$-56.4MFY 2025$-60.3M
-$9.8M-$60.3M

Gross margin by year

20222024

FY 202284.7%FY 202391.2%FY 20243.8%
84.7%3.8%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

16

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $47K · 10b5-1 PlanEVNIN LUKE · Director · $47.1KJun 29, 2026Filing
  • Insider sellInsider Sell $146KRA CAPITAL MANAGEMENT, L.P. · 10% Owner · $145.9KJun 22, 2026Filing
  • Insider sellInsider Sell $174KRA CAPITAL MANAGEMENT, L.P. · 10% Owner · $173.8KJun 16, 2026Filing
  • Insider sellInsider Sell $254KRA CAPITAL MANAGEMENT, L.P. · 10% Owner · $253.6KJun 11, 2026Filing
  • Insider sellInsider Sell $28K · 10b5-1 PlanEVNIN LUKE · Director · $28.5KJun 10, 2026Filing
  • Insider sellInsider Sell $43K · 10b5-1 PlanEVNIN LUKE · Director · $43KJun 8, 2026Filing
  • Insider sellInsider Sell $64K · 10b5-1 PlanEVNIN LUKE · Director · $63.6KJun 3, 2026Filing
  • Insider sellInsider Sell $66K · 10b5-1 PlanEVNIN LUKE · Director · $66.2KMay 29, 2026Filing
  • Insider sellInsider Sell $87K · 10b5-1 PlanEVNIN LUKE · Director · $86.6KMay 26, 2026Filing
  • Insider sellInsider Sell $76K · 10b5-1 PlanEVNIN LUKE · Director · $76.4KMay 20, 2026Filing

Questions

Frequently asked questions

What is Werewolf Therapeutics, Inc.'s market cap?

Werewolf Therapeutics, Inc. (HOWL) has a market capitalization of $21.9M.

What is HOWL's P/E ratio?

A meaningful P/E ratio is not available for HOWL — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is HOWL's price-to-book (P/B) ratio?

HOWL trades at 0.88 times book value per share.

Are insiders buying HOWL stock?

SEC Form 4 filings show no open-market insider buys at Werewolf Therapeutics, Inc. in the last 90 days (16 sells).

Same arena

Related companies in Biotechnology

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.