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ISSUER PROFILE · CIK 0001282637 · CUSIP 651587107

NEWMARKET CORPNEU

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

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
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Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
3.84
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2026-01-07 SCHEDULE GOTTWALD BRUCE C 10.10% 948,729 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 537,808 3.84 -12.9%
2026-03-13 617,168 3.63 +31.6%
2026-02-27 468,930 3.05 +9.3%
2026-02-13 428,953 2.54 +16.4%
2026-01-30 368,427 2.63 +19.9%
2026-01-15 307,236 1.91 +34.2%
2025-12-31 228,879 1.76 +32.9%
2025-12-15 172,219 1.54 +17.8%

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