Company profile
Landstar System Inc Insider Trading
LSTREvery SEC Form 4 insider trading filing for Landstar System Inc (LSTR) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Trucking (No Local)
- CIK
- 0000853816
- Filings
- 71
- Insiders
- 21
- Last filing
- 2026-08-01
Activity summary
No insider transactions in the last 30 days. The most recent was on August 1, 2026, when William C Clement bought 4,924 shares. 71 filings from 21 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Landstar System Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $4.8M.
90 day insight
Over the last 90 days, Landstar System Inc insiders bought $0 across 1 transaction with no open-market sales.
- Most active insider: William C Clement with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 1, 2026 | William C Clement | LSTR | Award | 4,924 | — | — |
| Jun 15, 2026 | James P Todd | LSTR | Sale | 1,200 | $218.17 | $262K |
| Jun 5, 2026 | Diana M Murphy | LSTR | Sale | 11,246 | $221.28 | $2.49M |
| May 6, 2026 | Diana M Murphy | LSTR | Award | 825 | — | — |
| May 6, 2026 | BANNISTER DAVID G/ | LSTR | Award | 825 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=LSTR" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Landstar System Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →