GRACE & WHITE INC /NY → GEOSPACE TECHNOLOGIES CORP GEOS

Stake: — Shares: — Class: Common Stock

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)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 4.58

400,131 shares short · -7.0% vs prior

Other 13D/G Filings on GEOSPACE TECHNOLOGIES CORP

Filed	Form	Filer	Stake	Shares
2020-08-26	SC	Nierenberg Investment Management Company, Inc.	—	—	view →
2019-02-08	SC	Nierenberg Investment Management Company, Inc.	—	—	view →
2018-05-15	SC	Lemelson Capital Management LLC	—	—	view →

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