Tzuo Tien
SEC Form 4 insider trading activity
Tzuo Tien has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Oct 7, 2026.
Companies traded
Other insiders at AMPL
No insider trading data found for Tzuo Tien.
Frequently asked questions
How many SEC Form 4 filings has Tzuo Tien made?
Tzuo Tien has filed 5 SEC Form 4 filings (5 transaction rows) across 1 company since 2025.
Which companies does Tzuo Tien trade?
Tzuo Tien has filed SEC Form 4 disclosures for 1 company, including AMPL.
When was Tzuo Tien's most recent SEC Form 4 filing?
Tzuo Tien's most recent SEC Form 4 filing on Tracefour is dated Oct 7, 2026.