Arthur Tzianabos
Insider
IndividualSelling only3 10b5-1 trades
- 2025
- Jul 22, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Arthur Tzianabos 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.
- ORBIMED ADVISORS LLC - $15.00M in QTTB purchases and sales in the last 12 months
- Diyong Xu - $15.00M in QTTB purchases and sales in the last 12 months
- Jodie Pope Morrison - $286K in QTTB purchases and sales in the last 12 months
- Lee Kalowski - $115K in QTTB purchases and sales in the last 12 months
- Shelia M. Violette - $59K in QTTB purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Arthur Tzianabos?
Arthur Tzianabos is a corporate insider of Q32 Bio Inc. (QTTB). InsiderAlpha holds 5 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 Arthur Tzianabos submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Arthur Tzianabos been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($174K) across all tracked filings.
