Amplitude, Inc. (AMPL)
Data as of , from SEC Form 4 filings.
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About Amplitude, Inc. (AMPL)
Amplitude Inc is a Software company that provides a Digital Analytics Platform that helps companies analyze their customer behavior within digital products. The Company delivers its application over the Internet as a subscription service using a software-as-a-service (SaaS) model and also it offers customer support related to initial implementation setup, ongoing support services, and application training. The company generates revenue through selling subscriptions to the platform. The company derives a majority of its revenue from the United States, and also has its presence in Internationally.
- SAN FRANCISCO, CA
- 795
- 2021
- XNAS
AMPL Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 5 | 560,000 | $7.26M |
| Grant or award | 2 | 1,710 | |
| Tax withholding / forfeiture | 4 | 288,429 | |
AMPL insider transactions (Form 4)
4160 Form 4 filings on record, the earliest from Oct 8, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Erica Schultz - Director | Grant or award | Class A Common Stock | 892 footnote F1 | $0.00 | - | |
| ||||||
 Tien Tzuo - Director | Grant or award | Class A Common Stock | 818 footnote F1 | $0.00 | - | |
| ||||||
| Spenser Skates - Officer | Other | Class A Common Stock | 70,087 | $0.00 footnote F1 | - | |
| Spenser Skates - Officer | Open-market sale | Class A Common Stock | 70,087 | $14.52 footnote F3 | $1.02M | |
| Spenser Skates - Officer | Other | Class B Common Stock | 70,087 | $0.00 | - | |
| ||||||
| Spenser Skates - Officer | Other | Class A Common Stock | 1,374 | $0.00 footnote F1 | - | |
| Spenser Skates - Officer | Open-market sale | Class A Common Stock | 1,374 | $14.45 footnote F3 | $20K | |
| Spenser Skates - Officer | Other | Class A Common Stock | 3,539 | $0.00 footnote F1 | - | |
| Spenser Skates - Officer | Open-market sale | Class A Common Stock | 3,539 | $14.45 | $51K | |
| Spenser Skates - Officer | Other | Class B Common Stock | 1,374 | $0.00 | - | |
| Spenser Skates - Officer | Other | Class B Common Stock | 3,539 | $0.00 | - | |
| ||||||
| Spenser Skates - Officer | Other | Class A Common Stock | 185,000 | $0.00 footnote F1 | - | |
| Spenser Skates - Officer | Open-market sale | Class A Common Stock | 185,000 | $12.30 footnote F3 | $2.28M | |
| Spenser Skates - Officer | Other | Class B Common Stock | 185,000 | $0.00 | - | |
| ||||||
| Nathaniel Glenn Crook - Officer | Open-market sale | Class A Common Stock | 300,000 footnote F1 | $12.99 footnote F2 | $3.90M | |
| ||||||
| Curtis Liu - Officer | Tax withholding / forfeiture | Class A Common Stock | 53,878 | $13.03 | $702K | |
| Spenser Skates - Officer | Tax withholding / forfeiture | Class A Common Stock | 52,369 | $13.03 | $682K | |
| Nathaniel Glenn Crook - Officer | Tax withholding / forfeiture | Class A Common Stock | 109,368 | $13.03 | $1.43M | |
| Andrew Casey - Officer | Tax withholding / forfeiture | Class A Common Stock | 72,814 | $13.03 | $949K | |
| Curtis Liu - Officer | Gift | Class B Common Stock | 175,000 | $0.00 | - | |
| Curtis Liu - Officer | Gift | Class B Common Stock | 175,000 | $0.00 | - | |
| Tien Tzuo | Grant or award | Class A Common Stock | 1,521 footnote F1 | $0.00 | - | |
| ||||||
| Erica Schultz | Grant or award | Class A Common Stock | 1,659 footnote F1 | $0.00 | - | |
| ||||||
| Curtis Liu - Officer | Open-market sale | Class A Common Stock | 22,786 | $8.03 | $183K | |
| Catherine Wong | Open-market sale | Class A Common Stock | 7,453 | $6.79 footnote F2 | $51K | |
| ||||||
 James M. Whitehurst | Grant or award | Class A Common Stock | 24,857 footnote F1 | $0.00 | - | |
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| Catherine Wong | Grant or award | Class A Common Stock | 24,857 footnote F1 | $0.00 | - | |
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| Ronald S. Gill | Grant or award | Class A Common Stock | 24,857 footnote F1 | $0.00 | - | |
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| Erica Schultz | Grant or award | Class A Common Stock | 24,857 footnote F1 | $0.00 | - | |
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| Patrick W. Grady | Grant or award | Class A Common Stock | 24,857 footnote F1 | $0.00 | - | |
| ||||||
| Curtis Liu - Officer | Open-market sale | Class A Common Stock | 22,201 footnote F1 | $8.03 footnote F2 | $178K | |
| ||||||
| Curtis Liu - Officer | Tax withholding / forfeiture | Class A Common Stock | 40,279 | $6.06 | $244K | |
| Nathaniel Glenn Crook - Officer | Tax withholding / forfeiture | Class A Common Stock | 101,292 | $6.06 | $614K | |
| Andrew Casey - Officer | Tax withholding / forfeiture | Class A Common Stock | 64,872 | $6.06 | $393K | |
| Spenser Skates - Officer | Tax withholding / forfeiture | Class A Common Stock | 39,562 | $6.06 | $240K | |
| Curtis Liu - Officer | Open-market sale | Class A Common Stock | 17,586 footnote F1 | $8.12 footnote F2 | $143K | |
| ||||||
| Spenser Skates - Officer | Grant or award | Class A Common Stock | 1,323,119 footnote F1 | $0.00 | - | |
| ||||||
| Curtis Liu - Officer | Grant or award | Class A Common Stock | 417,827 footnote F1 | $0.00 | - | |
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| Nathaniel Glenn Crook - Officer | Grant or award | Class A Common Stock | 278,551 footnote F1 | $0.00 | - | |
| Nathaniel Glenn Crook - Officer | Grant or award | Class A Common Stock | 974,930 footnote F3 | $0.00 | - | |
| ||||||
| Andrew Casey - Officer | Grant or award | Class A Common Stock | 431,754 footnote F1 | $0.00 | - | |
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Item 2.02, 9.01
Item 5.07
Item 2.02, 9.01
Item 5.02, 7.01, 9.01
Recent AMPL Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Skates Spenser | Member of immediate family of any of the foregoing | 70,087 | $1.02M | View on EDGAR | |
| Skates Spenser | Member of immediate family of any of the foregoing |
AMPL insider trading FAQ
What is the latest insider trade for AMPL?
Amplitude, Inc. (AMPL) had 10 insider filings in the last 90 days, with the most recent on 2026-10-07. The full record for AMPL runs to 60 Form 4 filings, the earliest from 2024-10-08. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AMPL stock?
No insider purchases of AMPL were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling AMPL stock?
5 insider sales of AMPL were filed in the last 90 days, totaling $7.26M.
Where can I see AMPL SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AMPL Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Erica Schultz view on EDGAR
- - Tien Tzuo view on EDGAR
- - Spenser Skates view on EDGAR
- - Spenser Skates view on EDGAR
- - Spenser Skates view on EDGAR
- - Nathaniel Glenn Crook view on EDGAR
- - Curtis Liu view on EDGAR
- - Spenser Skates view on EDGAR
- - Nathaniel Glenn Crook view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where AMPL's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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