13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0000883107

NANOPHASE TECHNOLOGIES CorpSLSN

3 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
3
3 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
7.64
as of 2026-10-15

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2020-10-01 SC WHITMORE BRADFORD T — — view →
2019-11-15 SC WHITMORE BRADFORD T — — view →
2019-05-15 SC WHITMORE BRADFORD T — — view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-10-15 367,758 7.64 -3.6%
2026-09-30 381,657 25.07 +3.2%
2026-09-15 369,742 17.22 +0.8%
2026-08-31 366,870 23.72 -2.5%
2026-08-14 376,101 15.12 -5.3%
2026-07-31 397,306 7.11 -7.1%
2026-07-15 427,618 2.09 +9.8%
2026-06-30 389,460 1.53 -48.6%
2026-06-15 757,817 21.38 -7.5%
2026-05-29 819,131 20.75 +2.2%
2026-05-15 801,431 20.40 -0.8%
2026-04-30 807,696 19.68 -4.6%

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