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SC Filed 2018-01-08 Event — SEC 0001535610-18-000030 →

SABBY MANAGEMENT, LLC → Moleculin Biotech, Inc. MBRX

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)
26 transactions
16 buys · 0 sales · 6 awards/exercises
Issuer Cluster
3 13D/G filings on this issuer
2 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 1.00
126,324 shares short · -38.3% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-10-15 PICKER DONALD H officer Award 250,000 $0.37 $93K
2026-10-15 KLEMP WALTER V director, officer Option exercise 207,500 — —
2026-10-15 KLEMP WALTER V director, officer F 48,659 $0.37 $18K
2026-10-15 KLEMP WALTER V director, officer Award 415,000 $0.37 $154K
2026-10-15 KLEMP WALTER V director, officer Award 415,000 — —
2026-10-15 Foster Jonathan P. officer Option exercise 130,000 — —
2026-10-15 Foster Jonathan P. officer F 30,485 $0.37 $11K
2026-10-15 Foster Jonathan P. officer Award 260,000 $0.37 $96K
2026-10-15 Foster Jonathan P. officer Award 260,000 — —
2025-11-12 PICKER DONALD H officer Award 200,000 $0.49 $98K
2025-11-12 Foster Jonathan P. officer Award 600,000 $0.49 $294K
2025-11-12 KLEMP WALTER V director, officer Award 830,000 $0.49 $407K
2025-11-12 Yan Joy director Award 150,000 $0.49 $74K
2025-11-12 Cermak Elizabeth director Award 150,000 $0.49 $74K
2025-11-12 CANNON MICHAEL D director Award 150,000 $0.49 $74K
2025-11-12 Climaco John M director Award 150,000 $0.49 $74K
2025-11-12 George Robert E. director Award 150,000 $0.49 $74K
2025-11-12 KLEMP WALTER V director, officer Award 750,000 — —
2025-11-12 Foster Jonathan P. officer Award 400,000 — —
2025-11-12 PICKER DONALD H officer Award 200,000 — —
2025-11-04 PICKER DONALD H officer Option exercise 8,750 — —
2025-11-04 KLEMP WALTER V director, officer Option exercise 28,750 — —
2025-11-04 Foster Jonathan P. officer Option exercise 20,625 — —
2025-11-04 Foster Jonathan P. officer Option exercise 5,023 $0.50 $2K
2025-11-04 KLEMP WALTER V director, officer F 7,001 $0.50 $3K
Showing 25 of 26

Other 13D/G Filings on Moleculin Biotech, Inc.

FiledFormFilerStakeShares
2026-08-25 SCHEDULE 13D KLEMP WALTER V 9.90% 2,070,761 view →
2026-08-25 SCHEDULE 13D Foster Jonathan P. 6.30% 1,288,207 view →

Other Filings by SABBY MANAGEMENT, LLC

FiledFormIssuerStakeShares
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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