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WAVEMAN · COMPANY
HOWL · Werewolf Therapeutics, Inc.
> Ask across nine datasets ⌘K
LIVE
TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475
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HOWL

Werewolf Therapeutics, Inc.
PHARMA & BIOTECH · PHARMACEUTICAL PREPARATIONS · CIK 0001785530
FORM 144 · 12☆ WATCH
INSIDER NET · 180D
-$2.1M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
19
13F, latest reported quarter
REVENUE GROWTH
-
XBRL, annual
NET MARGIN
-
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$2.1M over 180 days
-$717.8K over 90 days · -$963.9K of it by a 10%+ holder
below 68% of Pharma & Biotech
CONGRESS
no member of Congress has reported trading it
FUNDS
19 funds added or opened last quarter
below 71% of Pharma & Biotech
REVENUE
no revenue reported in any filing
MARGIN
no margin: this company reports no revenue to divide by
BUYBACKS
no share repurchases reported
SHORT
2.3% of shares outstanding short · 1.3 days to cover · settled 2026-07-31
below 62% of Pharma & Biotech
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$2.1M across 3 people in 180 days.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -23.2%
-23.2%12M
-76%-28%+20%+68%2025-092025-102025-122026-032026-052026-072026-09 2026-05-08 · RA CAPITAL MANAGEMENT, L.P. sold $249.6K2026-05-08 · EVNIN LUKE sold $214.0K2025-10-29 · MPM BioVentures 2014 LLC sold $208.1K2025-10-29 · UBS Oncology Impact Fund L.P. sold $208.1K2025-11-04 · MPM BioVentures 2014 LLC sold $171.4K2025-11-04 · MPM BioImpact LLC sold $171.4K2025-10-31 · MPM Asset Management Investors BV2014 LLC sold $146.0K2025-10-31 · MPM ONCOLOGY INNOVATIONS FUND LP sold $146.0K2026-06-17 · RA CAPITAL MANAGEMENT, L.P. sold $136.2K2025-10-29 · EVNIN LUKE sold $133.5K2026-06-09 · Kolchinsky Peter sold $127.7K2025-10-27 · MPM BioVentures 2014 LLC sold $125.1K2025-10-27 · UBS Oncology Impact Fund L.P. sold $125.1K2025-10-30 · MPM Asset Management Investors BV2014 LLC sold $124.3K2025-10-30 · MPM ONCOLOGY INNOVATIONS FUND LP sold $124.3K2025-11-03 · MPM Asset Management Investors BV2014 LLC sold $121.3K2025-11-03 · MPM ONCOLOGY INNOVATIONS FUND LP sold $121.3K2026-04-30 · EVNIN LUKE sold $121.1K2025-10-28 · MPM BioVentures 2014 LLC sold $113.3K2025-10-28 · UBS Oncology Impact Fund L.P. sold $113.3K2025-11-04 · EVNIN LUKE sold $110.0K2025-10-31 · EVNIN LUKE sold $93.7K2026-06-11 · Kolchinsky Peter sold $93.1K2025-11-13 · MPM BioVentures 2014 LLC sold $89.1K2025-11-13 · MPM Oncology Innovations Fund GP LLC sold $89.1K2025-11-24 · MPM BioVentures 2014 GP LLC sold $87.0K2025-11-24 · MPM Oncology Innovations Fund GP LLC sold $87.0K2025-12-04 · MPM BioVentures 2014 (B), L.P. sold $80.7K2025-12-04 · MPM BioImpact LLC sold $80.7K2025-10-27 · EVNIN LUKE sold $80.3K2025-10-30 · EVNIN LUKE sold $79.8K2025-11-03 · EVNIN LUKE sold $77.9K2025-11-07 · MPM BioVentures 2014, L.P. sold $76.0K2025-11-07 · UBS Oncology Impact Fund L.P. sold $76.0K2025-10-28 · EVNIN LUKE sold $72.7K2026-04-28 · EVNIN LUKE sold $69.7K2025-12-29 · EVNIN LUKE sold $66.2K2025-11-06 · MPM BioVentures 2014 LLC sold $65.9K2025-11-06 · MPM BioImpact LLC sold $65.9K2026-06-12 · RA CAPITAL MANAGEMENT, L.P. sold $63.6K2025-11-11 · MPM BioVentures 2014, L.P. sold $63.6K2025-11-11 · UBS Oncology Impact Fund L.P. sold $63.6K2026-07-06 · MPM Asset Management LLC filed to sell $5.2K2026-07-06 · MPM Asset Management Investors BV2014 LLC filed to sell $1.1K2026-07-06 · MPM BioVentures 2014 (B), L.P. filed to sell $2.2K2026-07-06 · MPM BioVentures 2014, L.P. filed to sell $33.0K2026-07-06 · MPM Oncology Innovations Fund, L.P. filed to sell $7.2K2026-07-06 · UBS Oncology Impact Fund, L.P. filed to sell $27.3K2026-06-29 · MPM Asset Management LLC filed to sell $5.4K2026-06-29 · MPM Asset Management Investors BV2014 LLC filed to sell $1.2K2026-06-29 · MPM BioVentures 2014 (B), L.P. filed to sell $2.3K2026-06-29 · MPM BioVentures 2014, L.P. filed to sell $34.3K2026-06-29 · MPM Oncology Innovations Fund, L.P. filed to sell $7.5K2026-06-29 · UBS Oncology Impact Fund, L.P. filed to sell $28.4K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $2.1M sold by insiders over 180 days, 19 funds added last quarter, $155.2K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
UTHRCPIXMRNAREGNLLYALNYELFCITRMDGLDNAVRTXNUVL
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Werewolf Therapeutics, Inc. insiders sold a net $2.1M of stock across 172 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-04.

INSIDER
FILED
SHARES
VALUE
EVNIN LUKE
Director
SELL
2026-07-07
107,429.0
$33.3K
EVNIN LUKE
Director
SELL
2026-07-06
35,770.0
$11.4K
EVNIN LUKE
Director
SELL
2026-06-29
157,084.0
$47.1K
RA CAPITAL MANAGEMENT, L.P.
—
SELL
2026-06-17
389,216.0
$136.2K
RA CAPITAL MANAGEMENT, L.P.
—
SELL
2026-06-17
27,695.0
$9.7K
172 TRANSACTIONS ON RECORD

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Institutional holders
13F · holdings as of the latest quarter funds have reported
RA CAPITAL MANAGEMENT, L.P.
2,387,744.0 sh
$859.3K
Balyasny Asset Management L.P.
1,790,089.0 sh
$644.3K
Lynx1 Capital Management LP
1,315,572.0 sh
$473.5K
VANGUARD CAPITAL MANAGEMENT LLC
1,217,976.0 sh
$438.5K
RENAISSANCE TECHNOLOGIES LLC
674,632.0 sh
$242.8K
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
MPM Asset Management LLC
FILED 2026-07-06
$5.2K
MPM Asset Management Investors BV2014 LLC
FILED 2026-07-06
$1.1K
MPM BioVentures 2014 (B), L.P.
FILED 2026-07-06
$2.2K
MPM BioVentures 2014, L.P.
FILED 2026-07-06
$33.0K
MPM Oncology Innovations Fund, L.P.
FILED 2026-07-06
$7.2K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Ultra-Small Company Market Fund
$62.4K POSITION · AS OF 2026-03-31
0.1%
VANGUARD EXTENDED MARKET INDEX FUND
$286.6K POSITION · AS OF 2026-03-31
0.0%
Fidelity Extended Market Index Fund
$100.3K POSITION · AS OF 2026-02-28
0.0%
VANGUARD TOTAL STOCK MARKET INDEX FUND
$727.5K POSITION · AS OF 2026-03-31
0.0%
Fidelity Nasdaq Composite Index Fund
$7.7K POSITION · AS OF 2026-02-28
0.0%
Fidelity Total Market Index Fund
$32.8K POSITION · AS OF 2026-02-28
0.0%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Clinical pipeline
ClinicalTrials.gov · 3 registered trials, 1 still enrolling or running — a status change here is dated weeks before the press release
2
Phase 1
0 ACTIVE
1
Multi-phase
1 ACTIVE
TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
OPERATING INCOME$-60.7M$-73.6M$-40.5M$-56.1M
NET INCOME$-60.8M$-70.5M$-37.4M$-53.8M
EPS (DILUTED)-1.33-1.63-1.05-1.86
OPERATING CASH FLOW$-60.3M$-56.2M$-32.6M$-40.6M
CASH$57.0M$111.0M$134.3M$129.3M
LONG-TERM DEBT$32.1M$32.1M$40.0M—
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-04 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-04 ALL SYSTEMS LIVE FOR MACHINES →