SCHEDULE Filed 2025-03-06 Event 2025-03-04 SEC 0001013594-25-000351 →

Nierenberg Investment Management Company, Inc. → RIVERVIEW BANCORP INC RVSB

Stake: 7.70% Shares: 1,625,065 CUSIP: 769397100 Class: Common Stock, par value $0.01

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 14/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Passive Schedule 13G filer baseline
High conviction ownership stake (7.7%)
7 NPORT-P mutual funds holding CUSIP

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

1 transaction

1 buys · 0 sales · 0 awards/exercises

Issuer Cluster

1 13D/G filings on this issuer

0 other filings besides this one

Filer Track Record

10 filings by this filer

9 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 2.88

270,766 shares short · +9.1% vs prior

Post-Filing Returns · since 2025-03-04 on RVSB

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 5.31 on closest trading day on/after 2025-03-04. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-04	Cox Daniel D	officer	Buy	1,000	$5.22	$5K

Other Filings by Nierenberg Investment Management Company, Inc.

Filed	Form	Issuer	Stake	Shares
2025-03-17	SCHEDULE	POTBELLY CORP	10.30%	3,087,302	view →
2022-02-04	SC	FLOTEK INDUSTRIES INC/CN/ FTK	—	—	view →
2021-11-22	SC	CRAWFORD & CO CRD-B	—	—	view →
2021-03-26	SC	Houston Wire & Cable CO	—	—	view →
2020-09-03	SC	FLOTEK INDUSTRIES INC/CN/ FTK	—	—	view →
2020-08-26	SC	GEOSPACE TECHNOLOGIES CORP GEOS	—	—	view →
2020-03-18	SC	Houston Wire & Cable CO	—	—	view →
2019-12-23	SC	Houston Wire & Cable CO	—	—	view →
2019-02-08	SC	GEOSPACE TECHNOLOGIES CORP GEOS	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →