Form 4: Matinas BioPharma Holdings Insider Receives Stock Grant
Insider Transaction (Form 4)
Adam K Stern, a 10% owner of Matinas BioPharma Holdings, Inc., reported multiple transactions in common stock on October 16, 2025.
Summary
- In-the-money derivative exercise: acquired 92,100 Common Stock, par value $0.0001 per share at $0.64 ($59,368) on October 31, 2025; holds 113,450 after (Indirect).
- In-the-money derivative exercise: acquired 344,710 Common Stock, par value $0.0001 per share at $0.35 ($120,648) on July 10, 2026; holds 416,900 after (Indirect).
- In-the-money derivative exercise: acquired 630,335 Common Stock, par value $0.0001 per share at $0.35 ($220,617) on July 10, 2026; holds 743,785 after (Indirect).
- Other acquisition/disposition: acquired 800,000 Warrants to Purchase Common Stock at $0.64 ($515,680) on October 16, 2025; holds 800,000 after (Indirect).
- Other acquisition/disposition: acquired 265 Series C Convertible Preferred Stock at $0.59 ($155) on October 16, 2025; holds 265 after (Indirect).
- In-the-money derivative exercise: disposed of 92,100 Warrants to Purchase Common Stock at $0.64 ($59,368) on October 31, 2025; holds 630,335 after (Indirect).
- In-the-money derivative exercise: disposed of 630,335 Warrants to Purchase Common Stock at $0.35 ($220,617) on July 10, 2026 (Indirect).
- Grant/award: acquired 630,335 Warrants to Purchase Common Stock at $0.35 ($220,617) on July 10, 2026; holds 630,335 after (Indirect).
- In-the-money derivative exercise: disposed of 344,710 Warrants to Purchase Common Stock at $0.35 ($120,648) on July 10, 2026 (Indirect).
- Grant/award: acquired 344,710 Warrants to Purchase Common Stock at $0.35 ($120,648) on July 10, 2026; holds 344,710 after (Indirect).
- Other acquisition/disposition: acquired 141,462 Warrants to Purchase Common Stock at $0.35 ($49,512) on July 10, 2026; holds 141,462 after (Direct).
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as routine: the reported changes are grants, option exercises, tax withholding or similar administrative transactions, which carry limited directional signal.
Insider Transactions
Adam K Stern — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2025-10-31 | In-the-money derivative exercise | Common Stock, par value $0.0001 per share | 92,100 | $1 | $59.4K | 113,450 |
| 2026-07-10 | In-the-money derivative exercise | Common Stock, par value $0.0001 per share | 344,710 | $0 | $120.6K | 416,900 |
| 2026-07-10 | In-the-money derivative exercise | Common Stock, par value $0.0001 per share | 630,335 | $0 | $220.6K | 743,785 |
| 2025-10-16 | Other acquisition/disposition | Warrants to Purchase Common Stock | 800,000 | $1 | $515.7K | 800,000 |
| 2025-10-16 | Other acquisition/disposition | Series C Convertible Preferred Stock | 265 | $1 | $155 | 265 |
| 2025-10-31 | In-the-money derivative exercise | Warrants to Purchase Common Stock | 92,100 | $1 | $59.4K | 630,335 |
| 2026-07-10 | In-the-money derivative exercise | Warrants to Purchase Common Stock | 630,335 | $0 | $220.6K | 0 |
| 2026-07-10 | Grant/award | Warrants to Purchase Common Stock | 630,335 | $0 | $220.6K | 630,335 |
| 2026-07-10 | In-the-money derivative exercise | Warrants to Purchase Common Stock | 344,710 | $0 | $120.6K | 0 |
| 2026-07-10 | Grant/award | Warrants to Purchase Common Stock | 344,710 | $0 | $120.6K | 344,710 |
| 2026-07-10 | Other acquisition/disposition | Warrants to Purchase Common Stock | 141,462 | $0 | $49.5K | 141,462 |
Key Dates
| Date | Description |
|---|---|
| 2025-10-31 | In-the-money derivative exercise (92,100 shares) |
| 2026-07-10 | In-the-money derivative exercise (344,710 shares) |
| 2026-07-10 | In-the-money derivative exercise (630,335 shares) |
| 2025-10-16 | Other acquisition/disposition (800,000 shares) |
| 2025-10-16 | Other acquisition/disposition (265 shares) |
| 2025-10-31 | In-the-money derivative exercise (92,100 shares) |
| 2026-07-10 | In-the-money derivative exercise (630,335 shares) |
| 2026-07-10 | Grant/award (630,335 shares) |
| 2026-07-10 | In-the-money derivative exercise (344,710 shares) |
| 2026-07-10 | Grant/award (344,710 shares) |
| 2026-07-10 | Other acquisition/disposition (141,462 shares) |
Keywords
insider transaction, Form 4, MTNB, Matinas BioPharma Holdings, Inc., neutral, Adam K Stern
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