Filings (90d)
Other insiders active in the same sector
No other insider has filed at Tianchen Cai's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Thomas P. Gallagher - $32.30M in MIAX purchases and sales in the last 12 months
- Emilie Choi - $31.09M in COIN purchases and sales in the last 12 months
- Andrew H. Tisch - $29.28M in L purchases and sales in the last 12 months
- William J. Dunaway - $28.95M in SNEX purchases and sales in the last 12 months
- Michael Miebach - $27.92M in MA purchases and sales in the last 12 months
- Brian Armstrong - $27.33M in COIN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Tianchen Cai?
Tianchen Cai is a corporate insider of Horizon Space Acquisition II Corp. (HSPT). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Tianchen Cai last file a Form 4?
The only primary Form 4 on record is dated 17 June 2026.