HEARTLAND ADVISORS INC → PERMA FIX ENVIRONMENTAL SERVICES INC PESI

Stake: — Shares: —

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)

1 transaction

0 buys · 0 sales · 1 awards/exercises

Issuer Cluster

4 13D/G filings on this issuer

3 other filings besides this one

Filer Track Record

4 filings by this filer

3 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 5.67

2,315,207 shares short · +33.3% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-07-13	Shelton Larry	director	Option exercise	2,400	$4.60	$11K

Other 13D/G Filings on PERMA FIX ENVIRONMENTAL SERVICES INC

Filed	Form	Filer	Stake	Shares
2021-09-14	SC	HEARTLAND ADVISORS INC	—	—	view →
2021-01-13	SC	HEARTLAND ADVISORS INC	—	—	view →
2019-12-20	SC	TALANTA Investment Group, LLC	—	—	view →

Other Filings by HEARTLAND ADVISORS INC

Filed	Form	Issuer	Stake	Shares
2021-09-14	SC	PERMA FIX ENVIRONMENTAL SERVICES INC PESI	—	—	view →
2021-01-13	SC	PERMA FIX ENVIRONMENTAL SERVICES INC PESI	—	—	view →
2018-01-09	SC	HARVARD BIOSCIENCE INC HBIO	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →