Adam Daniel Phillips - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Adam Daniel Phillips has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Adam Daniel Phillips serves as EVP & Chief Operating Officer of MARTEN TRANSPORT LTD (MRTN). Phillips has reported 2 insider filings with the SEC since 2026. The most recent filing was in May 2026.
| Role | EVP & Chief Operating Officer |
|---|---|
| Notability | 34/100 |
Board memberships
- MARTEN TRANSPORT LTD
Reported roles
- EVP & Chief Operating Officer
Awards & honors
- Overseeing operational improvements at Marten Transport
- Contributing to the company's growth strategies
Trading Pattern
InsiderAlpha's records for Adam Daniel Phillips 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 Adam Daniel Phillips 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.
- EVP & Chief Operating 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 | 4.7K | $0.00 | |
| 2026-02-23 | MRTN | MARTEN TRANSPORT LTD | F - Tax withholding / forfeiture | 1.1K | $13.90 | $16K |
Companies - Last 90 Days
- MARTEN TRANSPORT LTD (MRTN) - 1 filing, last 2026-05-07
Most Active Insiders Right Now
Adam Daniel Phillips 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:
- AEI Capital Ltd
- Noubar Afeyan
- Behzad Aghazadeh
- Srinivas Akkaraju
- Amwal Investments LLC
- Apollo Principal Holdings B GP, LLC
- Apollo Principal Holdings B, L.P.
- ARCH Venture Partners XII, LLC
Frequently Asked Questions
Who is Adam Daniel Phillips?
Adam Daniel Phillips serves as EVP & Chief Operating Officer of MARTEN TRANSPORT LTD (MRTN). Phillips 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 Adam Daniel Phillips submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Adam Daniel Phillips'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 Adam Daniel Phillips profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.