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ISSUER PROFILE · CIK 0000006176

AMPCO PITTSBURGH CORPAP

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
1
1 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.10
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2018-04-10 SC Louis Berkman Investment CO view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 415,673 1.10 +19.9%
2026-03-13 346,709 1.44 -16.0%
2026-02-27 412,932 1.27 +154.8%
2026-02-13 162,044 1.00 +635.2%
2026-01-30 22,040 1.00 -35.5%
2026-01-15 34,199 1.00 -30.9%
2025-12-31 49,461 1.00 -28.1%
2025-12-15 68,748 1.00 +55.6%

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