Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jan Johannessen 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.
- Emily M. Leproust - $101.55M in TWST purchases and sales in the last 12 months
- Patrick John Finn - $21.57M in TWST purchases and sales in the last 12 months
- Dennis Cho - $8.78M in TWST purchases and sales in the last 12 months
- Paula Green - $7.22M in TWST purchases and sales in the last 12 months
- Adam Laponis - $4.09M in TWST purchases and sales in the last 12 months
- Robert Chess - $2.62M in TWST purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Jan Johannessen?
Jan Johannessen is a corporate insider of Twist Bioscience Corp (TWST). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jan Johannessen last file a Form 4?
The most recent primary Form 4 on record is dated 14 May 2026, one of 3 filings going back to 2025.
Has Jan Johannessen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($953K) across all tracked filings.
