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HOWL
NASDAQ Life Sciences

Major Investor Group Sells $379K in Shares, Reducing Stake Amidst Lows

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
8
Price
$0.549
Mkt Cap
$26.663M
52W Low
$0.53
52W High
$2.38
52W Position info
3.6% above low
Off High info
77% below high
Rel. Volume info
0.8× avg
Market data snapshot near publication time

HOWL is trading near its 52-week low of $0.53 (3.6% above the low).

Summary

A major investor group, MPM BioVentures, and its affiliates, reported selling approximately $379,000 worth of Werewolf Therapeutics shares, significantly reducing their stake while the stock is near its 52-week low.


Key Events · Ownership and Investor Activity · HOWL

  • Significant Share Sales

    MPM BioVentures and its affiliated entities, including Ansbert Gadicke, sold a total of 608,942 shares in open market transactions between December 30, 2025, and January 16, 2026.

  • Substantial Value Divested

    The aggregate value of these sales amounted to approximately $379,000, representing a material portion of the company's market capitalization.

  • Reduced Investor Stake

    The sales led to a notable reduction in the beneficial ownership of the MPM BioVentures group, with Ansbert Gadicke's reported stake decreasing to 6.9%.

  • Sales Near 52-Week Lows

    The transactions occurred while Werewolf Therapeutics' stock was trading near its 52-week low, potentially indicating a lack of conviction from a major investor.


Analysis · HOWL · Life Sciences

MPM BioVentures and its affiliated entities, including key individuals like Ansbert Gadicke, have significantly reduced their holdings in Werewolf Therapeutics. These open market sales, totaling approximately $379,000, represent a substantial portion of the company's market capitalization and a notable reduction in the investors' overall stake. The timing of these sales, occurring while the stock trades near its 52-week low, could signal a lack of confidence from a major investor group and may exert further downward pressure on the stock.

At the time of this filing, HOWL was trading at $0.55 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $26.7M. The 52-week trading range was $0.53 to $2.38. This filing was assessed with negative market sentiment and an importance score of 8 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: $0.4401 info
Change: +$0.1251 (+40%) 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: $0.4401 info
Change: +$0.1101 (+33%) 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: $0.4401 info
Change: +$0.1171 (+36%) 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: $0.4401 info
Change: +$0.086 (+24%) 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: $0.4401 info
Change: +$0.0729 (+20%) info
Market Cap: $21.835M info