SC Filed 2018-01-08 Event — SEC 0001535610-18-000034 →

SABBY MANAGEMENT, LLC → SIGMA LABS, INC. NTRP

Stake: — Shares: —

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 6/100

Passive Schedule 13G filer baseline

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)

6 transactions

1 buys · 4 sales · 0 awards/exercises

Issuer Cluster

1 13D/G filings on this issuer

0 other filings besides this one

Filer Track Record

66 filings by this filer

65 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 2.32

224,992 shares short · -1.3% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-09	McMahon John Patrick	officer	Sale	20,000	$2.17	$43K
2026-10-09	McMahon John Patrick	officer	Sale	20,000	$2.02	$40K
2026-10-08	McMahon John Patrick	officer	Sale	20,000	$1.95	$39K
2026-10-08	McMahon John Patrick	officer	Sale	20,000	$1.91	$38K
2026-09-17	Kaplan Andrew Jay	director	Buy	52,910	$1.89	$100K
2026-09-17	Kaplan Andrew Jay	director	J	52,910	$1.89	$100K

Other Filings by SABBY MANAGEMENT, LLC

Filed	Form	Issuer	Stake	Shares
2024-01-02	SC	Bone Biologics Corp BBLGW	—	—	view →
2024-01-02	SC	Cocrystal Pharma, Inc. COCP	—	—	view →
2024-01-02	SC	AVENUE THERAPEUTICS, INC. ATXI	—	—	view →
2024-01-02	SC	Neptune Wellness Solutions Inc.	—	—	view →
2024-01-02	SC	RedHill Biopharma Ltd. RDHL	—	—	view →
2024-01-02	SC	Toughbuilt Industries, Inc	—	—	view →
2024-01-02	SC	Scinai Immunotherapeutics Ltd. SCNI	—	—	view →
2024-01-02	SC	Onconetix, Inc. ONCO	—	—	view →
2024-01-02	SC	Aditxt, Inc. ADTX	—	—	view →
2024-01-02	SC	Kiromic Biopharma, Inc.	—	—	view →
2024-01-02	SC	Virpax Pharmaceuticals, Inc.	—	—	view →
2024-01-02	SC	Huadi International Group Co., Ltd. HUDI	—	—	view →
2024-01-02	SC	Dogness (International) Corp DOGZ	—	—	view →
2024-01-02	SC	Pulmatrix, Inc. PULM	—	—	view →
2024-01-02	SC	Nisun International Enterprise Development Group Co., Ltd AIOS	—	—	view →
2018-01-09	SC	Axsome Therapeutics, Inc. AXSM	—	—	view →
2018-01-09	SC	CorMedix Inc. CRMD	—	—	view →
2018-01-09	SC	Onconova Therapeutics, Inc. TRAW	—	—	view →
2018-01-09	SC	BIOCEPT INC	—	—	view →
2018-01-09	SC	Trovagene, Inc. CRDF	—	—	view →

Showing 20 of 65

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