Spenser Skates

CEO and President, Director, 10% owner, Amplitude, Inc.

Bought, 12 months

$0.0M

Sold, 12 months

$10.2M

Companies

Latest trade

Oct 23, 2026

Companies

Amplitude, Inc.CEO and President, Director, 10% owner −$10.2M

Trades

AMPL Sold 107,136 shares at $17.52 · planned $1.9M Oct 23

AMPL Sold 70,087 shares at $14.52 · planned $1.0M Oct 2

AMPL Sold 3,539 shares at $14.45 · planned $0.1M Oct 1

AMPL Sold 1,374 shares at $14.45 · planned $0.0M Sep 30

AMPL Sold 185,000 shares at $12.30 · planned $2.3M Sep 10

AMPL Sold 100 shares at $12.00 · planned $0.0M Dec 26

AMPL Sold 42,743 shares at $12.01 · planned $0.5M Dec 24

AMPL Sold 400,000 shares at $10.99 · planned $4.4M Nov 11

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.