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HOWL
NASDAQ Life Sciences

Major Investor Files Intent to Sell Additional Shares Amidst Ongoing Divestment

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
7
Price
$0.66
Mkt Cap
$31.173M
52W Low
$0.559
52W High
$2.38
52W Position info
18% above low
Off High info
72% below high
Rel. Volume info
0.4× avg
Market data snapshot near publication time

HOWL sits 18% above its 52-week low of $0.559.

Summary

A key institutional investor, MPM BioVentures, has filed to sell more shares, continuing a pattern of significant divestment from Werewolf Therapeutics.


Key Events · Ownership and Investor Activity · HOWL

  • Intent to Sell Additional Shares

    MPM BioVentures 2014, L.P. has filed a Form 144 to sell 198,739 shares of common stock, valued at approximately $128,067.

  • Ongoing Institutional Divestment

    This filing follows a pattern of continuous selling by MPM BioVentures and its affiliated entities, which have sold over $2.2 million worth of shares in the past three months, indicating a sustained reduction in their stake.

  • Filer is Major Shareholder

    MPM BioVentures 2014, L.P. is identified as a significant shareholder, making its ongoing sales a notable event for the company.


Analysis · HOWL · Life Sciences

MPM BioVentures 2014, L.P., a significant institutional shareholder, has filed a Form 144 indicating its intent to sell an additional $128,067 worth of common stock. This filing comes after a period of continuous selling by MPM BioVentures and its affiliates, which have divested over $2.2 million in shares over the past three months. This sustained liquidation by a major investor suggests a lack of confidence or a strategic exit, which could exert downward pressure on the stock.

At the time of this filing, HOWL was trading at $0.66 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $31.2M. The 52-week trading range was $0.56 to $2.38. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

View Main SEC Filing

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HOWL - Latest Insights

HOWL
Jul 06, 2026, 5:18 PM EDT
Filing Type: 144
Importance Score:
8
Price at Filing: $0.315
Real-time Price: $0.448 info
Change: +$0.133 (+42%) info
Market Cap: $21.835M info
HOWL
Jul 02, 2026, 8:26 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
8
Price at Filing: $0.330
Real-time Price: $0.448 info
Change: +$0.118 (+36%) info
Market Cap: $21.835M info
HOWL
Jun 26, 2026, 5:39 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
7
Price at Filing: $0.323
Real-time Price: $0.448 info
Change: +$0.125 (+39%) info
Market Cap: $21.835M info
HOWL
Jun 22, 2026, 7:02 PM EDT
Filing Type: SCHEDULE 13D/A
Importance Score:
8
Price at Filing: $0.3541
Real-time Price: $0.448 info
Change: +$0.0939 (+27%) info
Market Cap: $21.835M info
HOWL
Jun 16, 2026, 6:01 PM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $0.3672
Real-time Price: $0.448 info
Change: +$0.0808 (+22%) info
Market Cap: $21.835M info