Insiders who reported open-market trades in the last 12 months at the companies Johanna Roberts 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.
Arani Bose - $4.43M in PEN purchases and sales in the last 12 months
Maggie Yuen - $832K in PEN purchases and sales in the last 12 months
Harpreet Grewal - $104K in PEN purchases and sales in the last 12 months
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Johanna Roberts is a corporate insider, tracked as EVP, Gen. Counsel & Secretary of Penumbra Inc (PEN). InsiderAlpha holds 15 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Johanna Roberts last file a Form 4?
The most recent primary Form 4 on record is dated 17 March 2026, one of 15 filings going back to 2024.
Has Johanna Roberts been buying or selling stock?
Recorded transactions: 0 open-market purchases and 65 open-market sales ($1.89M) across all tracked filings.
Johanna Roberts is EVP, Gen. Counsel & Secretary of Penumbra Inc (PEN). 15 SEC Form 4 filings on record going back to 2024, most recently on 17 March 2026. Most recent open-market trade: sold $3K of PEN on 3 December 2025. Lifetime open-market sales: $1.89M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Johanna Roberts.
InsiderAlpha's records for Johanna Roberts go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. 48 recorded transactions carry a Rule 10b5-1 plan flag. This identifies the marked transactions as reported under a trading plan; it does not establish the plan status of unmarked transactions.
