Insiders who reported open-market trades in the last 12 months at the companies Joshua Silverman 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.
Joshua Silverman is a corporate insider, tracked as Executive Chairman, Director of Q/C TECHNOLOGIES, INC. (QCLS). InsiderAlpha holds 14 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joshua Silverman submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Joshua Silverman been buying or selling stock?
Recorded transactions: 3 open-market purchases ($80K) and 0 open-market sales across all tracked filings.
Joshua Silverman is Executive Chairman, Director of Q/C TECHNOLOGIES, INC. (QCLS). 14 SEC Form 4 filings on record going back to 2024, most recently on 2 October 2026. Most recent open-market trade: bought $33K of PMCB on 7 January 2026. Lifetime open-market purchases: $80K.
Recent transactions
19
The latest 19 SEC Form 4 transactions reported by Joshua Silverman.
InsiderAlpha's records for Joshua Silverman go back to 2024: 14 primary Form 4 filings, an average of 4.7 per year. The typical open-market purchase is $27K (3 buys totaling $80K). The largest single buy on record is $33K of PMCB in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
