🕵️ Navient Corp ($JSM)

SEC insider & ownership activity, last 12 months · CIK 1593538 · every row links its SEC filing

Insiders were quiet over the last 12 months – no open-market buys or sells. Sherborne Investors Management LP added 30.2% → 31.3%; Sherborne Strategic Fund F, LLC added 30.2% → 31.3%. One red-flag 8-K in the window: Cyber incident (1.05), Jun 29, 2026.

Insider flow

0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)

No open-market insider transactions in the last 12 months.

5%+ holders

HolderStakeClassScheduleEvent
Sherborne Investors Management LP 31.3% 13DApr 16, 2026 filing ↗
Sherborne Strategic Fund F, LLC 31.3% 13DApr 16, 2026 filing ↗
Sherborne Investors Master GP, LLC 31.3% 13DApr 16, 2026 filing ↗
Sherborne Investors LP 31.3% 13DApr 16, 2026 filing ↗
Sherborne Investors GP, LLC 31.3% 13DApr 16, 2026 filing ↗
Sherborne Investors Management GP, LLC 31.3% 13DApr 16, 2026 filing ↗
Edward J. Bramson 31.3% 13DApr 16, 2026 filing ↗
Welker Stephen 31.3% 13DApr 16, 2026 filing ↗
Sherborne Investors Management LP 27.4% 13DDec 20, 2024 filing ↗
Sherborne Strategic Fund F, LLC 27.4% 13DDec 20, 2024 filing ↗
Sherborne Investors Master GP, LLC 27.4% 13DDec 20, 2024 filing ↗
Sherborne Investors LP 27.4% 13DDec 20, 2024 filing ↗
Sherborne Investors GP, LLC 27.4% 13DDec 20, 2024 filing ↗
Sherborne Investors Management GP, LLC 27.4% 13DDec 20, 2024 filing ↗
Edward J. Bramson 27.4% 13DDec 20, 2024 filing ↗
Welker Stephen 27.4% 13DDec 20, 2024 filing ↗
Blackrock, Inc. 11.5% 13GJul 17, 2025 filing ↗
Dimensional Fund Advisors LP 5.6% 13GJul 14, 2026 filing ↗

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Fisher Joe$196KApr 16, 2026 filing ↗
Fisher Joe$254KApr 14, 2026 filing ↗
Fisher Joe$241KApr 13, 2026 filing ↗
Fisher Joe$160KMar 12, 2026 filing ↗

Material events (8-K)

ItemEvent date
Cyber incident (1.05)Jun 29, 2026 filing ↗
Shareholder vote (5.07)Jun 4, 2026 filing ↗
Material agreement (1.01)May 26, 2026 filing ↗
New financial obligation (2.03)May 26, 2026 filing ↗
Financial Statements and Exhibits (9.01)May 26, 2026 filing ↗
Earnings (2.02)Apr 29, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 29, 2026 filing ↗
Officer/director changes (5.02)Apr 2, 2026 filing ↗
Financial Statements and Exhibits (9.01)Apr 2, 2026 filing ↗
Earnings (2.02)Jan 28, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 28, 2026 filing ↗
Officer/director changes (5.02)Jan 6, 2026 filing ↗
Financial Statements and Exhibits (9.01)Jan 6, 2026 filing ↗
Reg FD disclosure (7.01)Nov 19, 2025 filing ↗
Financial Statements and Exhibits (9.01)Nov 19, 2025 filing ↗
Earnings (2.02)Oct 29, 2025 filing ↗
Financial Statements and Exhibits (9.01)Oct 29, 2025 filing ↗