MARTEN TRANSPORT LTD
Total Trades
19
Buys
2
Sells
8
Largest Trade
N/A
Insiders
7
Institutional Funds
162
Inst. Value
$1M+
Activist Filings
14
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| BAUER JERRY M | Director | BUY | $100K–$500K | 20K | $12.88 | Apr 29, 2025 |
| BAUER JERRY M | Director | BUY | $100K–$500K | 10K | $15.81 | Oct 31, 2024 |
| Petit Douglas Paul | President | SELL | $50K–$100K | 5K | $18.22 | Jun 13, 2024 |
| Petit Douglas Paul | President | EXERCISE | $15K–$50K | 5K | $10.87 | Jun 13, 2024 |
| WINKEL THOMAS J | Director | EXERCISE | $50K–$100K | 10K | $5.72 | Mar 21, 2023 |
| WINKEL THOMAS J | Director | SELL | $100K–$500K | 5K | $20.12 | Mar 21, 2023 |
| HAGNESS LARRY B | Director | SELL | $100K–$500K | 10K | $22.93 | Aug 16, 2022 |
| HAGNESS LARRY B | Director | EXERCISE | $50K–$100K | 10K | $5.72 | Aug 16, 2022 |
| WINKEL THOMAS J | Director | EXERCISE | $15K–$50K | 5K | $5.59 | Mar 18, 2022 |
| WINKEL THOMAS J | Director | SELL | $50K–$100K | 3K | $19.93 | Mar 18, 2022 |
| Hinnendael James J | Exec. VP and CFO | SELL | $100K–$500K | 6K | $18.38 | Mar 11, 2022 |
| Hinnendael James J | Exec. VP and CFO | EXERCISE | $50K–$100K | 8K | $9.01 | Mar 11, 2022 |
| TURNER JOHN H | EVP Sales & Market… | SELL | $100K–$500K | 10K | $18.09 | Mar 3, 2022 |
| TURNER JOHN H | EVP Sales & Market… | EXERCISE | $50K–$100K | 10K | $9.01 | Mar 3, 2022 |
| TURNER JOHN H | EVP Sales & Market… | GRANT | N/A | 6K | — | Mar 3, 2022 |
| DEMOREST ROBERT L | Director | SELL | $100K–$500K | 10K | $16.96 | Feb 24, 2022 |
| DEMOREST ROBERT L | Director | EXERCISE | $50K–$100K | 10K | $5.72 | Feb 24, 2022 |
| WINKEL THOMAS J | Director | EXERCISE | $15K–$50K | 5K | $5.59 | Feb 3, 2022 |
| WINKEL THOMAS J | Director | SELL | $50K–$100K | 5K | $17.65 | Feb 3, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 162 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| NUANCE INVESTMENTS, LLC | 6.3M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 4.7M | $1M+ | SH |
| STATE STREET CORP | 2.4M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 2.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $1M+ | SH |
| Boston Partners | 920K | $1M+ | SH |
| DEPRINCE RACE & ZOLLO INC | 693K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 626K | $1M+ | SH |
| GENEVA CAPITAL MANAGEMENT LLC | 594K | $1M+ | SH |
| TEACHER RETIREMENT SYSTEM OF TEXAS | 488K | $1M+ | SH |
| MORGAN STANLEY | 401K | $1M+ | SH |
| NICHOLAS COMPANY, INC. | 399K | $1M+ | SH |
| Verition Fund Management LLC | 337K | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 301K | $1M+ | SH |
| HEARTLAND ADVISORS INC | 300K | $1M+ | SH |
| Mariner, LLC | 293K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 280K | $1M+ | SH |
| US BANCORP \DE\ | 269K | $1M+ | SH |
| Point72 Asset Management, L.P. | 268K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 30, 2026
4.9%
4.0M shares
SC 13G/A · Jan 22, 2026
7.7%
0 shares
SC 13G/A · Jan 21, 2026
6.0%
4.9M shares
Victory Capital Management, Inc.
SC 13G/A · Aug 8, 2025
3.9%
3.2M shares
SC 13G · May 12, 2025
6.4%
5.2M shares
Victory Capital Management, Inc.
SC 13G · Jan 28, 2025
5.0%
4.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
5.3%
4.3M shares
SC 13G/A · Jan 24, 2024
11.3%
9.2M shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
7.4%
6.0M shares
Victory Capital Management Inc. 13-2700161
SC 13G/A · Jan 31, 2023
5.8%
4.7M shares
SC 13G/A · Jan 26, 2023
12.2%
9.9M shares
SC 13G/A · Jan 20, 2023
12.2%
9.9M shares
SC 13G/A · Jan 27, 2022
12.7%
10.5M shares
SC 13G/A · Jan 25, 2022
12.7%
10.5M shares