AMPL

Amplitude, Inc.

NasdaqTechnologyServices-Prepackaged Software

Insider activity for last month from 09/24 to 10/24.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$1.08M3 sells
Net open-market−$1.08MBuying minus selling
Active insiders4Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 15, 2026

Open-market transaction mix · 3 transactions in the selected period
0 buys0%·100%3 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026010$0$19.8k-$19.8k
Oct 2026023$0$1.06M-$1.06M

Distinct insiders active

Reporting-owner CIKs by month · peak Oct 2026 (4)
Sep 2026: 1 insidersOct 2026: 4 insiders
Sep 2026Oct 2026
4distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
4 insiders
  • SS
    Skates SpenserCEO, PRES · 0 buys · 3 sells · 0 awards (A)
    -$1.1Mlast 10/06/2026
  • RG
    Raji Vijaye GaneshDIR · 0 buys · 0 sells · 1 awards (A)
    +$0last 10/15/2026
  • SE
    Schultz EricaDIR · 0 buys · 0 sells · 1 awards (A)
    +$0last 10/07/2026
  • TT
    Tzuo TienDIR · 0 buys · 0 sells · 1 awards (A)
    +$0last 10/07/2026

AMPL transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
AMPLAmplitude, Inc.
Raji Vijaye GaneshDIRA · grantSEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Schultz EricaDIRA · grantSEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Tzuo TienDIRA · grantSEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESS · sale10b5-1 detectedSEC filing ↗-$1.01MView disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedSEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESS · sale10b5-1 detectedSEC filing ↗-$51.1kView disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedSEC filing ↗$0View disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESS · sale10b5-1 detectedSEC filing ↗-$19.8kView disclosure →
AMPLAmplitude, Inc.
Skates SpenserCEO · PRESC · unknown10b5-1 detectedSEC filing ↗$0View disclosure →
Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$1.01M
10b5-1 detected9
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
12transactionstxns
  • C · Code C · dominant6 · 50%
  • A · Grants / awards3 · 25%
  • S · Open-market sells3 · 25%

Activity by reported role

A joint filing can contribute to multiple roles
Chief executive officer9
PRES9
Director3

Reported Holdings After

Separated by insider, security, and ownership type

Skates SpenserClass A Common Stock · Indirect · By Spouse
70.1k0Sep 30, 2026Oct 02, 2026
0Oct 02, 2026
Skates SpenserClass B Common Stock · Indirect · By Spouse
380.8k307.2kSep 30, 2026Oct 02, 2026
307,157Oct 02, 2026
Tzuo TienClass A Common Stock · Direct
102.4k102.4kOct 05, 2026Oct 05, 2026
102,419Oct 05, 2026
Schultz EricaClass A Common Stock · Direct
144.0k144.0kOct 05, 2026Oct 05, 2026
143,992Oct 05, 2026
Raji Vijaye GaneshClass A Common Stock · Direct
37.9k37.9kOct 15, 2026Oct 15, 2026
37,851Oct 15, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
4 active days
Sep 24 → Oct 24
LessMore

Amplitude, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Amplitude, Inc.?

Raji Vijaye Ganesh, Schultz Erica, Tzuo Tien, Skates Spenser.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Skates Spenser reported a sale on Oct 02, 2026 valued at $1.01M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $1,088,681.24. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.