13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001001115

GEOSPACE TECHNOLOGIES CORPGEOS

3 13D/G filings 2 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
3
3 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
4.27
as of 2026-07-15

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
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 →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 468,923 4.27 +4.7%
2026-06-30 447,785 2.62 -9.3%
2026-06-15 493,461 3.15 -21.2%
2026-05-29 625,949 3.80 -8.9%
2026-05-15 687,004 2.08 -9.6%
2026-04-30 759,586 4.63 -14.8%
2026-04-15 891,103 3.77 +5.4%
2026-03-31 845,424 4.44 -7.8%
2026-03-13 916,968 4.39 +10.3%
2026-02-27 831,716 4.56 +2.4%
2026-02-13 812,550 1.94 +14.6%
2026-01-30 709,093 3.14 -16.0%

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