Insiders who have reported open-market trades at the same companies as Ian Seth Jacobs. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Ian Seth Jacobs is a corporate insider of DEEP FISSION, INC. (FISN). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Ian Seth Jacobs last file a Form 4?
The most recent primary Form 4 on record is dated 28 May 2026, one of 5 filings going back to 2024.
Has Ian Seth Jacobs been buying or selling stock?
Recorded transactions: 3 open-market purchases ($10) and 0 open-market sales across all tracked filings.
Ian Seth Jacobs files SEC Form 4 reports at DEEP FISSION, INC. (FISN). 5 SEC Form 4 filings on record going back to 2024, most recently on 28 May 2026. Most recent open-market trade: bought $2 of FISN on 26 August 2025. Lifetime open-market purchases: $10.
Recent transactions
5
The latest 5 SEC Form 4 transactions reported by Ian Seth Jacobs.
InsiderAlpha's records for Ian Seth Jacobs go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. The typical open-market purchase is $3 (3 buys totaling $10). No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
