Insiders who reported open-market trades in the last 12 months at the companies Joseph P. Yost files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Robbert Rietbroek - $501K in GPK purchases and sales in the last 12 months
Jeffrey Stafeil - $200K in GPK purchases and sales in the last 12 months
Larry M. Venturelli - $199K in GPK purchases and sales in the last 12 months
Robert Hagemann - $154K in GPK purchases and sales in the last 12 months
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Joseph P. Yost is a corporate insider, tracked as EVP & President, Americas of GRAPHIC PACKAGING HOLDING CO (GPK). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Joseph P. Yost last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 6 filings going back to 2024.
Has Joseph P. Yost been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($682K) across all tracked filings.
Joseph P. Yost is EVP & President, Americas of GRAPHIC PACKAGING HOLDING CO (GPK). 6 SEC Form 4 filings on record going back to 2024, most recently on 2 March 2026. Most recent open-market trade: sold $682K of GPK on 25 August 2025. Lifetime open-market sales: $682K.
Recent transactions
11
The latest 11 SEC Form 4 transactions reported by Joseph P. Yost.
InsiderAlpha's records for Joseph P. Yost go back to 2024: 6 primary Form 4 filings, an average of 2.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
