Tien Tzuo
Director · Amplitude, Inc.
IndividualSelling only
- 2024
- Oct 7, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Tien Tzuo 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.
- Spenser Skates - $7.76M in AMPL purchases and sales in the last 12 months
- Nathaniel Glenn Crook - $3.90M in AMPL purchases and sales in the last 12 months
- Curtis Liu - $1.01M in AMPL purchases and sales in the last 12 months
- Andrew Casey - $300K in AMPL purchases and sales in the last 12 months
- Erica Schultz - $102K in AMPL purchases and sales in the last 12 months
- Catherine Wong - $51K in AMPL purchases and sales in the last 12 months
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Frequently asked questions
Who is Tien Tzuo?
Tien Tzuo is a corporate insider, tracked as Director of Amplitude, Inc. (AMPL). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Tien Tzuo submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Tien Tzuo been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($533K) across all tracked filings.
