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Insider profile

Karl R Fails Insider Trading

This page tracks every SEC Form 4 filing since April 2023 by Karl R Fails, EVP & Chief Operations Officer: 10 transactions in total, including 1 open-market purchase and 0 sales. Each record is parsed directly from the original filing, with amendments reconciled so a corrected filing never double-counts.

Role
EVP & Chief Operations Officer
CIK
0001694181
Companies traded
1
Total filings
10
First filing
2023-12-05
Last filing
2025-12-05

Files as Fails Karl R · SEC EDGAR ↗

Activity summary

The most recent open-market decision was a purchase of 3,000 shares ($151K) on May 24, 2024.

Three year balance

Buy and sell value by quarter, Q4 23 to Q4 25. Karl R Fails has been a net seller across the period shown.

PurchasesSales
$1.1MQ4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.1M.

Insider insight

Karl R Fails trades most actively in SUN, accounting for 1 of the 10 filings on record. The largest single open-market purchase on record is $151K in SUN, filed May 2024.

Track record

$151K
Total purchased
$0
Total sold
1
1 buy · 0 sales
Net buyer
Overall direction

Most active in

SUN1 buy
Largest trade: $151K in SUN (May 2024) in last 10Filing history: Dec 2023 — Dec 2025Under a 10b5-1 plan: 0%Full history: 10 filings

Transaction History

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Dec 5, 2025Karl R FailsSUN
Tax Withholding
14,600$55.26$807K+24.9% 6m
Dec 5, 2025Karl R FailsSUN
Award
11,700——+24.9% 6m
Dec 5, 2025Karl R FailsSUN
Award
35,100——+24.9% 6m
Feb 18, 2025Karl R FailsSUN
Award
25,000——-7.6% 6m
Dec 5, 2024Karl R FailsSUN
Tax Withholding
10,114$54.97$556K+3.0% 6m

5 more transactions hidden

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Companies traded

By number of filings.

SUN1 filing

Filing cadence

Filings per quarter, this window.

1.1filings / quarter, Q4 23–Q4 25

Busiest: Q4 24 (3 filings)

Quietest: Q1 24 (0 filings)

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 SUN.

Brian A HandEVP-Chief Sales OfficerAustin HarknessEVP, Chief Commercial OfficerJoseph KimPresident & CEO