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HOWL
NASDAQ Life Sciences

Werewolf Shares Double as Reverse Merger Details Emerge: $47.5M Implied Value, 6.8% Stake

Tom Rudovsky · Reported by Dow Jones Newswires
More coverage: Biotech Stocks · Healthcare
Sentiment info
Positive
Importance info
8
Price
$0.994
Mkt Cap
$20.956M
52W Low
$0.27
52W High
$2.38
52W Position info
268% above low
Off High info
58% below high
Rel. Volume info
38× avg
Market data snapshot near publication time

HOWL has more than doubled off its 52-week low of $0.27 on elevated volume (38× avg).

Summary

Werewolf Therapeutics shares more than doubled in premarket trading to $0.98 after the company disclosed full terms of its reverse merger with Ambros Therapeutics and asset sale to Merck KGaA. The deal values Werewolf at $47.5 million, with existing shareholders retaining just 6.8% of the combined company, while Ambros holders get 71.7% and PIPE investors 21.5%. The $150 million private placement is co-led by RA Capital and Janus Henderson, and the combined company expects cash runway into H1 2029. This follows the 8-K filed yesterday detailing the $28M upfront asset sale plus $5M milestone. The new ticker will be AMBX, with closing expected by Q1 2027.

At the time of this announcement, HOWL was trading at $0.99 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $21M. The 52-week trading range was $0.27 to $2.38. This news item was assessed with positive market sentiment and an importance score of 8 out of 10. Source: Dow Jones Newswires.


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HOWL - Latest Insights

HOWL
Aug 21, 2026, 8:01 AM EDT
Source: Dow Jones Newswires
Importance Score:
9
Price at Filing: $0.7528
Real-time Price: $0.9712 info
Change: +$0.2184 (+29%) info
Market Cap: $20.956M info
HOWL
Aug 20, 2026, 4:06 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.7418
Real-time Price: $0.9712 info
Change: +$0.2294 (+31%) info
Market Cap: $20.956M info
HOWL
Jul 31, 2026, 7:10 AM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $0.490
Real-time Price: $0.9712 info
Change: +$0.4812 (+98%) info
Market Cap: $20.956M info
HOWL
Jul 31, 2026, 7:06 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $0.490
Real-time Price: $0.9712 info
Change: +$0.4812 (+98%) info
Market Cap: $20.956M info
HOWL
Jul 06, 2026, 5:18 PM EDT
Filing Type: 144
Importance Score:
8
Price at Filing: $0.315
Real-time Price: $0.9712 info
Change: +$0.6562 (+208%) info
Market Cap: $20.956M info