Insiders who reported open-market trades in the last 12 months at the companies David B. Singer 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.
MAVERICK CAPITAL LTD - $218.76M in INFQ purchases and sales in the last 12 months
David B. Singer is a corporate insider, tracked as Director of Infleqtion, Inc. (INFQ). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did David B. Singer last file a Form 4?
The most recent primary Form 4 on record is dated 30 May 2026, one of 6 filings going back to 2026.
Has David B. Singer been buying or selling stock?
Recorded transactions: 0 open-market purchases and 18 open-market sales ($210.53M) across all tracked filings.
David B. Singer is Director of Infleqtion, Inc. (INFQ). 6 SEC Form 4 filings on record, most recently on 30 May 2026. Most recent open-market trade: sold $220K of INFQ on 30 May 2026. Lifetime open-market sales: $210.53M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by David B. Singer.
InsiderAlpha's records for David B. Singer go back to 2026: 6 primary Form 4 filings, an average of 6.0 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.