John S. Montalbano
Director · AbCellera Biologics Inc.
IndividualBuying only
- 2025
- Aug 18, 2026
- 4
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John S. Montalbano 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.
- Michael R. Hayden - $1.05M in ABCL purchases and sales in the last 12 months
- Thermopylae Holdings Ltd. - $711K in ABCL purchases and sales in the last 12 months
- Andrew Booth - $530K in ABCL purchases and sales in the last 12 months
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Frequently asked questions
Who is John S. Montalbano?
John S. Montalbano is a corporate insider, tracked as Director of AbCellera Biologics Inc. (ABCL). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John S. Montalbano submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has John S. Montalbano been buying or selling stock?
Recorded transactions: 3 open-market purchases ($384K) and 0 open-market sales across all tracked filings.
