Your email has been successfully added to our mailing list.

×
0 0 0 0 -0.00391355789942059 0.00619899481226056 -0.00441918553500454 -0.00290230262825233
Stock impact report

Graphic Packaging Holding Company Investigated by the Portnoy Law Firm

Graphic Packaging Holding Company (GPK) 
Last graphic packaging holding company earnings: 4/21 06:30 am Check Earnings Report
Company Research Source: GlobeNewswire
LOS ANGELES, March 16, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Graphic Packaging Holdings Company, (“Graphic Packaging" or the "Company") (NYSE:GPK) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email: lesley@portnoylaw.com, to discuss their legal rights, or join the case via https://portnoylaw.com/graphic-packaging-holding-company/. The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors’ options for pursuing claims to recover their losses. An investigation has been launched into whether the board of directors at Graphic Packaging grossly mismanaged the Company or breached its fiduciary duties to shareholders following several executive shifts. This probe follows a December 2025 letter issued by a shareholder holding 4.2% of the Company’s stock, which was w Show less Read more
Impact Snapshot
Event Time:
GPK
Last Price
Price Change
Price Change%
Volume Shares
Max Up
Max Down
%
Volume Ratio
Performance Comparison Updated
Event Day
Stock performance from the time of news release until the following 4pm ET market close
Last price at news event
Since Event
Multi-day stock performance from the time of the news release
EVENT DAY
Stock performance from the time of news release until the following 4pm ET market close
LAST
PRICE AT
NEWS EVENT
SINCE EVENT
Multi-day stock performance from the time of the news release
Last Price
VWAP
High:
Max Up
High:
Low:
Max Down
Low:
%
Post news range
%
Price change

Price Change Percentage


S&P 500
(SPX)

%

Volume ratio
%

Volume
Ticks

Avg transaction size

Don't Miss Out On The Next BIG Stock Move
Event day
Event Day Chart will not be displayed beyond 90-day period of the event
Performance since event
Time And Velocity Analysis
Opt-in for
GPK alerts

from News Quantified
Opt-in for
GPK alerts

from News Quantified