Randall John Baier - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Randall John Baier has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Randall John Baier is Exec. VP & Chief Tech. Officer at MARTEN TRANSPORT LTD (MRTN). Baier has reported 2 insider filings with the SEC since 2026. The most recent filing was in May 2026.
| Role | Exec. VP & Chief Tech. Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- MARTEN TRANSPORT LTD
Reported roles
- Exec. VP & Chief Tech. Officer
Awards & honors
- Leadership in technology initiatives at Marten Transport
- Contributions to operational efficiency in transportation
Trading Pattern
InsiderAlpha's records for Randall John Baier go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Randall John Baier has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Exec. VP & Chief Tech. Officer at MARTEN TRANSPORT LTD (MRTN) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-07 | MRTN | MARTEN TRANSPORT LTD | A - Grant or award | 4.8K | $0.00 | |
| 2026-02-23 | MRTN | MARTEN TRANSPORT LTD | F - Tax withholding / forfeiture | 1.3K | $13.90 | $18K |
Companies - Last 90 Days
- MARTEN TRANSPORT LTD (MRTN) - 1 filing, last 2026-05-07
Most Active Insiders Right Now
Randall John Baier has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- RBC Global Asset Management (U.S.) Inc.
- Redmile Group, LLC
- Andrew Phillips Reed
- Daniel Reis-Faria
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
Frequently Asked Questions
Who is Randall John Baier?
Randall John Baier is Exec. VP & Chief Tech. Officer at MARTEN TRANSPORT LTD (MRTN). Baier has reported 2 insider filings with the SEC since 2026. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Randall John Baier submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Randall John Baier's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Randall John Baier profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.