Summary
Updated Aug 31, 2026
William Garrett Nichols is Chief Medical Officer of Candel Therapeutics, Inc. (CADL). 4 SEC Form 4 filings on record going back to 2024, most recently on 28 January 2026. Most recent open-market trade: sold $7K of CADL on 28 July 2025. Lifetime open-market sales: $74K.
Recent Transactions
5Every recent SEC Form 4 transaction William Garrett Nichols has reported, most recent first.
Trading Pattern
InsiderAlpha's records for William Garrett Nichols go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William Garrett Nichols 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.
- Paul B. Manning - $3.00M of CADL open-market activity in the last 12 months
- Francesca Barone - $236K of CADL open-market activity in the last 12 months
- Seshu Tyagarajan - $154K of CADL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William Garrett Nichols?
William Garrett Nichols is a corporate insider, tracked as Chief Medical Officer of Candel Therapeutics, Inc. (CADL). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William Garrett Nichols last file a Form 4?
The most recent primary Form 4 on record is dated 28 January 2026, one of 4 filings going back to 2024.
Has William Garrett Nichols been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($74K) across all tracked filings.
Where can I see all of William Garrett Nichols'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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