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ERAS
NASDAQ Life Sciences

Erasca Shares Plunge 48% on Lead Asset IP Challenge; Law Firm Investigates Misleading Claims

Tom Rudovsky · Reported by PR Newswire
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
9
Price
$12.462
Mkt Cap
$3.878B
52W Low
$1.06
52W High
$24.28
52W Position info
1076% above low
Off High info
49% below high
Rel. Volume info
1.0× avg
Market data snapshot near publication time

ERAS has more than doubled off its 52-week low of $1.06.

Summary

Erasca shares plunged 48% on April 28, wiping out $2.8 billion in market value, after the company disclosed a legal challenge to the intellectual property of its lead asset, ERAS-0015, by Revolution Medicines. This follows an 8-K filing on April 27 detailing Revolution Medicines' claims of patent infringement and trade secret misappropriation. Shareholder rights law firm Hagens Berman has now launched an investigation into whether Erasca misled investors about the viability of ERAS-0015's intellectual property. This IP dispute directly threatens the company's most important product candidate and introduces significant litigation risk and uncertainty.

At the time of this announcement, ERAS was trading at $12.46 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $3.9B. The 52-week trading range was $1.06 to $24.28. This news item was assessed with negative market sentiment and an importance score of 9 out of 10. Source: PR Newswire.


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ERAS - Latest Insights

ERAS
Jun 16, 2026, 6:12 PM EDT
Source: PR Newswire
Importance Score:
8
Price at Filing: $13.30
Real-time Price: $18.40 info
Change: +$5.10 (+38%) info
Market Cap: $5.763B info
ERAS
May 28, 2026, 9:00 AM EDT
Source: PR Newswire
Importance Score:
9
Price at Filing: $12.46
Real-time Price: $18.40 info
Change: +$5.94 (+48%) info
Market Cap: $5.763B info
ERAS
May 11, 2026, 4:13 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $10.20
Real-time Price: $18.40 info
Change: +$8.20 (+80%) info
Market Cap: $5.763B info
ERAS
May 11, 2026, 4:09 PM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $10.50
Real-time Price: $18.40 info
Change: +$7.90 (+75%) info
Market Cap: $5.763B info
ERAS
May 11, 2026, 4:05 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $10.50
Real-time Price: $18.40 info
Change: +$7.90 (+75%) info
Market Cap: $5.763B info
ERAS
May 11, 2026, 7:00 AM EDT
Source: GlobeNewswire
Importance Score:
8
Price at Filing: $10.18
Real-time Price: $18.40 info
Change: +$8.22 (+81%) info
Market Cap: $5.763B info
ERAS
Apr 28, 2026, 3:58 PM EDT
Source: Dow Jones Newswires
Importance Score:
9
Price at Filing: $10.01
Real-time Price: $18.40 info
Change: +$8.39 (+84%) info
Market Cap: $5.763B info
ERAS
Apr 27, 2026, 4:17 PM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $12.30
Real-time Price: $18.40 info
Change: +$6.10 (+50%) info
Market Cap: $5.763B info
ERAS
Apr 27, 2026, 8:31 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $23.46
Real-time Price: $18.40 info
Change: -$5.06 (-22%) info
Market Cap: $5.763B info
ERAS
Apr 21, 2026, 9:10 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $22.21
Real-time Price: $18.40 info
Change: -$3.81 (-17%) info
Market Cap: $5.763B info