Michael Nierenberg
CIK 1591719 · Chief Executive Officer · last filed 2026-03-09
Michael Nierenberg is a Chief Executive Officer who has filed 43 SEC Form 4 insider transactions across 6 companies since 2015. The most recent filing, for RITMpF, was dated Mar 9, 2026. Across all open-market trades the lifetime net is +$687.0K, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $115.2M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$115.22M
6
43
$687.0K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| RITMpF | Chief Executive Officer | 1,502,085 | $24.21 | $36.37M | $0 | 3 | 2026-03-09 |
| RITMpE | Chief Executive Officer | 2,212,238 | $24.15 | $53.43M | -$3.32M | 3 | 2026-01-22 |
| RITMpD | Chief Executive Officer | 1,018,589 | $24.96 | $25.42M | $0 | 20 | 2025-08-04 |
| Rithm Capital Corp. (NRZpD) Delisted | Chairman, CEO & President | — | $22.56 | — | $0 | 1 | 2022-03-17 |
| Rithm Capital Corp. (NRZpC) Delisted | Chairman, CEO & President | 380,878 | $20.40 | $7.77M | $1.01M | 3 | 2021-04-19 |
| Rithm Capital Corp. (NRZ) Delisted | Chairman, CEO & President | 1,070,719 | $10.89 | $11.66M | $2.99M | 13 | 2019-06-04 |
Recent Filings
43 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-09 | RITMpF | Grant (A) | — | $0 | EDGAR |
| 2026-02-25 | RITMpF | Tax (F) | −771,688 | -$8.06M | EDGAR |
| 2026-02-03 | RITMpF | Grant (A) | +29,098 | $0 | EDGAR |
| 2026-01-22 | RITMpE | Grant (A) | +1,189,241 | $0 | EDGAR |
| 2025-11-06 | RITMpE | Sell (S) | −301,548 | -$3.32M | EDGAR |
| 2025-11-04 | RITMpE | Grant (A) | +4,408 | $0 | EDGAR |
| 2025-08-04 | RITMpD | Grant (A) | +3,897 | $0 | EDGAR |
| 2025-06-20 | RITMpD | Tax (F) | −106,546 | -$1.20M | EDGAR |
| 2025-05-02 | RITMpD | Grant (A) | +4,168 | $0 | EDGAR |
| 2025-02-26 | RITMpD | Grant (A) | — | $0 | EDGAR |