Insider profile
Mark James King Insider Trading
This page tracks every SEC Form 4 filing since April 2023 by Mark James King, Exec Chairman & Interim CEO: 19 transactions in total, none of them an open-market purchase, and 4 sales. Each record is parsed directly from the original filing, with amendments reconciled so a corrected filing never double-counts.
- Role
- Exec Chairman & Interim CEO · Director
- CIK
- 0001783820
- Companies traded
- 2
- Total filings
- 19
- First filing
- 2023-03-10
- Last filing
- 2026-08-14
Files as King Mark James · SEC EDGAR ↗
Activity summary
The most recent open-market decision was a sale of 5,647 shares ($105K) on August 14, 2026.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Mark James King has been a net seller across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.3M.
Insider insight
Mark James King trades most actively in JACK, accounting for 3 of the 19 filings on record.
Track record
Most active in
Transaction History
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | Mark James King | JACK | Sale | 5,647 | $18.59 | $105K |
| Jul 21, 2026 | Mark James King | JACK | Sale | 5,626 | $14.70 | $83K |
| Jun 18, 2026 | Mark James King | JACK | Sale | 5,911 | $12.53 | $74K |
| May 12, 2026 | Mark James King | JACK | Award | 186,901 | — | — |
| Mar 3, 2026 | Mark James King | JACK | Award | 12,188 | — | — |
14 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/insiders/0001783820/transactions" \
-H "X-Api-Key: $KEY"Companies traded
By number of filings.
Filing cadence
Filings per quarter, this window.
Busiest: Q4 23 (5 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.