HOWL
Ra Capital Management, L.p. sold $93.1K of HOWL, trimming their stake 5%.
−$93.1K
245,066 sh @ $0
HOWL
Werewolf Therapeutics, Inc.
SEC CIK 1785530
$0.3810
−40.7% · 90 days
90-day buys
$0
0 open-market
90-day sells
$1.73M
41 open-market
Net insider flow
−$1.73M
Net selling
Filings shown
156
Most recent
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At a glance
Over the last 90 days, insiders at HOWL have sold a net $1.73M of stock (0 open-market buys vs 41 sells).
Largest recent trade: Mpm Bioventures 2014, L.p., HOWL's 10% owner, spent $2.01M of their own money on 125,759 shares at $16, growing their stake 4%.
Most active filer: Evnin Luke, with 85 transactions among the recent filings shown.
Insider transaction history
Form 4 filings for HOWL, newest firstHOWL
Ra Capital Management, L.p. sold $6.6K of HOWL, trimming their stake 5%.
−$6.6K
17,437 sh @ $0
HOWL
Ra Capital Management, L.p. sold $15.9K of HOWL, trimming their stake 1%.
−$15.9K
42,872 sh @ $0
HOWL
Ra Capital Management, L.p. sold $1.1K of HOWL, trimming their stake 1%.
−$1.1K
3,051 sh @ $0
HOWL
Ra Capital Management, L.p. sold $127.7K of HOWL, trimming their stake 6%.
−$127.7K
345,235 sh @ $0
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HOWL
Ra Capital Management, L.p. sold $9.1K of HOWL, trimming their stake 6%.
−$9.1K
24,565 sh @ $0
HOWL
−$28.5K
76,928 sh @ $0
HOWL
−$24.2K
60,547 sh @ $0
HOWL
−$10K
24,946 sh @ $0
HOWL
−$8.8K
20,072 sh @ $0
HOWL
−$12.5K
29,749 sh @ $0
HOWL
−$13.3K
29,595 sh @ $0
HOWL
−$37.8K
80,459 sh @ $0
HOWL
−$14.7K
32,556 sh @ $0
HOWL
−$12.7K
27,698 sh @ $0
HOWL
−$38.8K
80,852 sh @ $0
HOWL
−$31.9K
67,950 sh @ $0
HOWL
−$39.3K
87,425 sh @ $0
HOWL
−$15.3K
36,387 sh @ $0
HOWL
−$36.9K
85,895 sh @ $0
HOWL
−$28.3K
62,970 sh @ $0
HOWL
−$11.1K
22,184 sh @ $1
HOWL
−$24.1K
44,679 sh @ $1
HOWL
−$43.4K
67,885 sh @ $1
HOWL
Ra Capital Management, L.p. sold $60.4K of HOWL, trimming their stake 2%.
−$60.4K
94,432 sh @ $1
HOWL
Ra Capital Management, L.p. sold $4.3K of HOWL, trimming their stake 2%.
−$4.3K
6,719 sh @ $1
HOWL
−$22.7K
33,948 sh @ $1
HOWL
Ra Capital Management, L.p. sold $54.7K of HOWL, trimming their stake 1%.
−$54.7K
81,678 sh @ $1
HOWL
Ra Capital Management, L.p. sold $3.9K of HOWL, trimming their stake 1%.
−$3.9K
5,812 sh @ $1
HOWL
−$214K
305,741 sh @ $1
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About HOWL insider activity
This page tracks every recent Form 4 filed for Werewolf Therapeutics, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.
The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.
Frequently asked questions
How often is HOWL insider data updated?
Continuously. We read from SEC EDGAR, so new Form 4 filings for Werewolf Therapeutics, Inc. usually appear here within minutes of being accepted by the SEC.
What does "net insider flow" mean?
It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.
Why do some rows show grants or option exercises instead of buys?
Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.
Is this investment advice?
No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.