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AMPL · Amplitude, Inc.

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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475

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AMPL

Name: Amplitude, Inc. (AMPL) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

Amplitude, Inc.

SOFTWARE & IT · SERVICES-PREPACKAGED SOFTWARE · CIK 0001866692

SEC FILINGS☆ WATCH

INSIDER NET · 180D

-$554.6K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

118

13F, latest reported quarter

REVENUE GROWTH

+14.7%

XBRL, annual

NET MARGIN

-25.8%

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$554.6K over 180 days

-$50.6K over 90 days · -$504.0K of it by a 10%+ holder

more than 56% of Software & IT

CONGRESS

no member of Congress has reported trading it

FUNDS

118 funds added or opened last quarter

more than 56% of Software & IT

REVENUE

+14.7% year over year

more than 64% of Software & IT

MARGIN

-25.8% net margin

below 75% of Software & IT

BUYBACKS

$89.5M repurchased, FY to 2026-06-30

more than 54% of Software & IT

SHORT

4.4 days to cover · settled 2026-07-31

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

118 funds added or opened positions in the latest 13F quarter, of 203 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +25.9%

+25.9%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

The complete filing record, in one place.

The record shows a net $554.6K sold by insiders over 180 days, 118 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

TEAM META CRWV CRM NET CRWD DDOG DASH APP IOT PCTY MDB

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Amplitude, Inc. insiders sold a net $554.6K of stock across 305 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-04.

INSIDER

FILED

VALUE

Wong Catherine

Director

SELL

2026-06-12

7,453.0

$50.6K

Liu Curtis

Chief Technology Officer

SELL

2026-06-01

22,786.0

$183.0K

Liu Curtis

Chief Technology Officer

SELL

2026-06-01

22,201.0

$178.3K

Liu Curtis

Chief Technology Officer

SELL

2026-05-04

17,586.0

$142.8K

Liu Curtis

Chief Technology Officer

SELL

2026-03-06

33,201.0

$265.9K

305 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 300 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

WELLINGTON MANAGEMENT GROUP LLP

11,086,006.0 sh

$84.8M

BlackRock, Inc.

10,044,780.0 sh

$76.8M

VANGUARD PORTFOLIO MANAGEMENT LLC

6,083,939.0 sh

$46.5M

FMR LLC

5,979,436.0 sh

$45.7M

VANGUARD CAPITAL MANAGEMENT LLC

3,939,697.0 sh

$30.1M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Meridian Small Cap Growth Fund

$3.6M POSITION · AS OF 2026-03-31

1.5%

Madison Small Cap Fund

$1.9M POSITION · AS OF 2026-04-30

1.2%

MML Small Cap Growth Equity Fund

$1.0M POSITION · AS OF 2026-03-31

0.8%

HARTFORD SMALL COMPANY HLS FUND

$3.0M POSITION · AS OF 2026-03-31

0.8%

Small Cap Stock Trust

$1.9M POSITION · AS OF 2026-03-31

0.8%

State Street(R) SPDR(R) FactSet Innovative Technology ETF

$398.6K POSITION · AS OF 2026-03-31

0.8%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Executive pay vs shareholder return · Mr. Skates

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2023

$300.0K

$147.5K

$3.4M

-77%

-39%

2022

$450.0K

-$70.4M

$8.0M

-78%

-56%

2021

$450.0K

$102.0M

$771.6K

-3%

-10%

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$343.2M	$299.3M	$276.3M	$238.1M
GROSS PROFIT	$253.9M	$222.3M	$204.4M	$167.6M
NET INCOME	$-88.5M	$-94.3M	$-90.4M	$-93.4M
EPS (DILUTED)	-0.67	-0.76	-0.77	-0.84
OPERATING CASH FLOW	$29.8M	$18.5M	$25.6M	$-5.4M
CASH	$81.1M	$171.7M	$248.5M	$218.5M
BUYBACKS	$30.7M	$0	$648.0K	—

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-04 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE