Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the full record of transactions filed by Tzuo Tien. Officer active across 3 companies, notably ZUORA INC. Cumulatively, 38 disclosures have been recorded. Breakdown: 0 buy · 1 sell. Total volume traded: €483k. History available since 1 June 2021. The latest transaction was filed on 5 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Tzuo Tien
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
12,500 shares0Class A Common StockSEC:0001423774-23-000010:0
25 of 38 declarations
About Tzuo Tien
Tzuo Tien is a declarant linked to ZUORA INC, Amplitude, Inc. and Vonage Holdings CORP, where he is listed as Chairman and CEO, Director and Director. Across 38 filings, the sampled recent filings cover the period from 2021-06-03 to 2026-07-07, with 0 in buys and 1707052 in sells, and the modal transaction type is Option exercise.