Karkus Ted William → ProPhase Labs, Inc. PRPH

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 11/100

Passive Schedule 13G filer baseline
Short interest building (+43.7% vs prior settlement)

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)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

7 filings by this filer

6 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 1.00

78,348 shares short · +43.7% vs prior

Other 13D/G Filings on ProPhase Labs, Inc.

Filed	Form	Filer	Stake	Shares
2026-10-19	SCHEDULE 13G	Venkatesan Shyam	—	—	view →
2023-04-05	SC	Karkus Ted William	—	—	view →
2023-01-17	SC	Karkus Ted William	—	—	view →
2021-05-10	SC	Karkus Ted William	—	—	view →
2020-08-17	SC	Karkus Ted William	—	—	view →
2020-03-30	SC	Karkus Ted William	—	—	view →
2018-02-26	SC	Karkus Ted William	—	—	view →

Other Filings by Karkus Ted William

Filed	Form	Issuer	Stake	Shares
2023-04-05	SC	ProPhase Labs, Inc. PRPH	—	—	view →
2023-01-17	SC	ProPhase Labs, Inc. PRPH	—	—	view →
2021-05-10	SC	ProPhase Labs, Inc. PRPH	—	—	view →
2020-08-17	SC	ProPhase Labs, Inc. PRPH	—	—	view →
2020-03-30	SC	ProPhase Labs, Inc. PRPH	—	—	view →
2018-02-26	SC	ProPhase Labs, Inc. PRPH	—	—	view →

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