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Insider profile

Warren Stone Insider Trading

This page tracks every SEC Form 4 filing since April 2023 by Warren Stone, Pres & Chief Operating Officer: 53 transactions in total, including 1 open-market purchase and 1 sale. Each record is parsed directly from the original filing, with amendments reconciled so a corrected filing never double-counts.

Role
Pres & Chief Operating Officer
CIK
0001955295
Companies traded
1
Total filings
53
First filing
2023-05-11
Last filing
2026-08-21

Files as Stone Warren · SEC EDGAR ↗

Activity summary

The most recent open-market transaction was a sale of 22,128 shares ($277K) on January 20, 2026. It was filed under a 10b5-1 plan, scheduled in advance rather than decided on the day.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Warren Stone has been a net seller across the period shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25$277KQ1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $277K.

Insider insight

Warren Stone trades most actively in NEO, accounting for 1 of the 53 filings on record. The largest single open-market purchase on record is $49K in NEO, filed May 2025.

Track record

$49K
Total purchased
$277K
Total sold
1
1 buy · 0 sales
Net seller
Overall direction

Most active in

NEO1 buy
Largest trade: $49K in NEO (May 2025) in last 50Filing history: May 2023 — Aug 2026Under a 10b5-1 plan: 2%Full history: 53 filings

Transaction History

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 21, 2026Warren StoneNEO
Option Exercise
28,106——+3.9% 1w
Aug 21, 2026Warren StoneNEO
Tax Withholding
11,060——+3.9% 1w
Aug 21, 2026Warren StoneNEO
Option Exercise
28,106——+3.9% 1w
May 11, 2026Warren StoneNEO
Option Exercise
5,830——+98.4% 3m
May 11, 2026Warren StoneNEO
Tax Withholding
3,783——+98.4% 3m

45 more transactions hidden

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Companies traded

By number of filings.

NEO1 filing

Based on the last 50 filings on file — this insider has a longer history.

Filing cadence

Filings per quarter, this window.

4.2filings / quarter, Q4 23–Q3 26

Busiest: Q1 26 (11 filings)

Quietest: Q3 24 (0 filings)

Based on the last 50 filings on file — this insider has a longer history.

Reading an insider's Form 4 history

Corporate insiders — directors, officers, and holders of more than 10% of a company's stock — must report their trades to the SEC on Form 4 within two business days. Looking at one insider's filings over time shows whether they tend to buy on the open market (a discretionary use of their own money, generally the strongest signal), sell, or simply receive and exercise equity awards as compensation.

The track record above measures how this insider's past open-market purchases performed in the months after each filing. Trades made under a pre-scheduled Rule 10b5-1 plan are flagged because they carry no timing signal. To pull any insider's full history programmatically, see the insider trading API or our guide to reading Form 4 filings.

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

Scorecard

Not enough buys to score this insider yet.

Scoring needs at least five open-market purchases with a matured return window. This insider has 1 so far, so any figure would say more about the sample than about them. See insiders who do have a record.

Related insiders

Other insiders filing on NEO.

Alicia C OlivoEVP, GC & Business DevelopmentJeffrey Scott ShermanChief Financial OfficerLynn A. Tetrault10 filings