Summary
Updated Aug 30, 2026
David C. Danziger is Director of ALT5 Sigma Corp (ALTS). 1 SEC Form 4 filing on record, dated 9 October 2025. Most recent open-market trade: bought $73K of ALTS on 9 October 2025. Lifetime open-market purchases: $73K.
Recent Transactions
2Every recent SEC Form 4 transaction David C. Danziger has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as David C. Danziger. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Virland A. Johnson - $9K of ALTS open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David C. Danziger?
David C. Danziger is a corporate insider, tracked as Director of ALT5 Sigma Corp (ALTS). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David C. Danziger last file a Form 4?
The only primary Form 4 on record is dated 9 October 2025.
Has David C. Danziger been buying or selling stock?
Recorded transactions: 1 open-market purchase ($73K) and 0 open-market sales across all tracked filings.
Where can I see all of David C. Danziger's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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