Alt-Data Signal Hub

GPK

Graphic Packaging Holding Compa · $10.73 (-2.1%) · P/E 11.7

1 hub catalysts across 1 sources · backtest → · ← Ticker Explorer

Smart-Money 13F Moves

Signal summary

Signals diverge

Bullish and bearish forces are in conflict here — weigh both columns.

25▲ Bullishconviction from hub signals

Bullish factors

Smart-money 13F added/opened (1)

Bearish factors

4 analyst downgrades

Best strategy

2-yr backtest · by Sharpe

Stochastic Oscillator has fit GPK best over 2 years (+272.8%, Sharpe 1.98). Historical/in-sample — walk-forward all 19 →

#	Strategy	Return	Sharpe	Beats B&H
1	Stochastic Oscillator	+272.8%	1.98	✓
2	Williams %R	+272.8%	1.98	✓
3	Connors RSI(2)	+99.9%	1.12	✓

Price — 1 year

daily close

Insider activity

5 open-market buys

Officers & directors trading their own stock (SEC Form 4). Buys are bullish; sells shown for context.

Date	Action	Insider	Shares	Value
2026-05-20	BUY	Stafeil Jeffrey M	16,261	$160K
2026-05-08	BUY	Hagemann Robert A.	14,000	$154K
2026-05-07	BUY	Stafeil Jeffrey M	17,878	$200K
2026-03-04	BUY	Venturelli Larry M	17,531	$199K
2026-03-04	BUY	Rietbroek Robbert	44,278	$501K
2025-08-25	SELL	Yost Joseph P.	30,000	$682K
2025-08-04	SELL	Martens Philip R	63,752	$1.4M
2024-11-25	SELL	Lischer Charles D	12,000	$356K
2024-11-06	SELL	Farrell Michael James	25,900	$751K
2024-08-09	SELL	Doss Michael P	300,000	$8.4M

Analyst ratings

live · 7 changes

Date	Action	Analyst	Rating Change
2026-06-29	Initiated	JP Morgan	Neutral
2026-04-01	Initiated	Deutsche Bank	Hold
2026-01-07	Downgrade	Baird	Outperform → Neutral
2026-01-06	Downgrade	Wells Fargo	Equal-Weight → Underweight
2025-10-17	Downgrade	Raymond James	Outperform → Market Perform
2025-10-09	Downgrade	RBC Capital	Outperform → Sector Perform
2025-06-04	Initiated	UBS	Neutral

Catalyst timeline

1 hub signals

Date	Source	Event	Entity	Value
2024-02-14	Smart-Money 13F Moves	13F Added	Greenlight Capital (Einhorn) added to GPK (+46%)	$62.5M	source ↗