LWLG
Lightwave Logic Inc
NASDAQ: LWLG · BASIC MATERIALS · SPECIALTY CHEMICALS
$6.46
+6.95% today
Updated 2026-07-31
Market cap
$944.51M
P/E ratio
—
P/S ratio
3,885.19x
EPS (TTM)
$-0.16
Dividend yield
—
52W range
$2 – $19
Volume
4.8M
Lightwave Logic Inc (LWLG) Insider transactions
Net insider activity
Net buying (2,087,181 shares)
Buy transactions
50
Sell transactions
50
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-01 | QUAN, SNIZHANA P. | Principal Financial Officer | Buy | 2,500 | — | — |
| 2026-06-01 | QUAN, SNIZHANA P. | Principal Financial Officer | Sale | 345 | $11.41 | $3936.45 |
| 2026-06-01 | PARTRIDGE, LAILA | Director | Buy | 13,612 | — | — |
| 2026-06-01 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 13,612 | — | — |
| 2026-06-01 | CONNELLY, THOMAS M JR | Director | Buy | 13,612 | — | — |
| 2026-06-01 | CIESLA, CRAIG | Director | Buy | 13,612 | — | — |
| 2026-06-01 | BUCCHI, RONALD A | Director | Buy | 13,612 | — | — |
| 2026-04-28 | BUCCHI, RONALD A | Director | Sale | 100,000 | — | — |
| 2026-04-10 | QUAN, SNIZHANA P. | Principal Financial Officer | Sale | 20,000 | — | — |
| 2026-04-10 | QUAN, SNIZHANA P. | Principal Financial Officer | Sale | 20,000 | $10.36 | $207200.00 |
| 2026-04-07 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 54,536 | $7.76 | $423199.36 |
| 2026-04-06 | CONNELLY, THOMAS M JR | Director | Sale | 9,000 | $8.52 | $76680.00 |
| 2026-04-01 | PARTRIDGE, LAILA | Director | Sale | 11,000 | $6.84 | $75240.00 |
| 2026-04-01 | CIESLA, CRAIG | Director | Sale | 11,000 | $6.81 | $74910.00 |
| 2026-04-01 | BUCCHI, RONALD A | Director | Sale | 11,000 | $6.92 | $76120.00 |
| 2026-03-31 | PARTRIDGE, LAILA | Director | Sale | 20,161 | — | — |
| 2026-03-31 | PARTRIDGE, LAILA | Director | Buy | 20,161 | — | — |
| 2026-03-31 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 20,161 | — | — |
| 2026-03-31 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 20,161 | — | — |
| 2026-03-31 | CONNELLY, THOMAS M JR | Director | Sale | 20,161 | — | — |
| 2026-03-31 | CONNELLY, THOMAS M JR | Director | Buy | 20,161 | — | — |
| 2026-03-31 | CIESLA, CRAIG | Director | Sale | 20,161 | — | — |
| 2026-03-31 | CIESLA, CRAIG | Director | Buy | 20,161 | — | — |
| 2026-03-31 | BUCCHI, RONALD A | Director | Sale | 20,161 | — | — |
| 2026-03-31 | BUCCHI, RONALD A | Director | Buy | 20,161 | — | — |
| 2026-03-30 | QUAN, SNIZHANA P. | Principal Financial Officer | Sale | 25,000 | — | — |
| 2026-03-30 | QUAN, SNIZHANA P. | Principal Financial Officer | Buy | 25,000 | $4.87 | $121750.00 |
| 2026-03-12 | LE, MAITRE YVES | Director, CEO | Sale | 294,968 | $7.08 | $2.09M |
| 2026-02-02 | PARTRIDGE, LAILA | Director | Buy | 7,599 | — | — |
| 2026-02-02 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 7,599 | — | — |
| 2026-02-02 | CONNELLY, THOMAS M JR | Director | Buy | 7,599 | — | — |
| 2026-02-02 | CIESLA, CRAIG | Director | Buy | 7,599 | — | — |
| 2026-02-02 | BUCCHI, RONALD A | Director | Buy | 7,599 | — | — |
| 2026-01-27 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 50,000 | — | — |
| 2026-01-27 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 50,000 | $0.68 | $34000.00 |
| 2026-01-27 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 25,591 | $3.48 | $89056.68 |
| 2026-01-23 | BUCCHI, RONALD A | Director | Sale | 50,000 | — | — |
| 2026-01-23 | BUCCHI, RONALD A | Director | Buy | 50,000 | $0.68 | $34000.00 |
| 2026-01-02 | CONNELLY, THOMAS M JR | Director | Sale | 7,600 | $3.25 | $24700.00 |
| 2025-12-31 | ZELIBOR, THOMAS EDWARD | President | Buy | 235,453 | — | — |
| 2025-12-31 | ZELIBOR, THOMAS EDWARD | President | Sale | 70,732 | $3.24 | $229171.68 |
| 2025-12-31 | PARTRIDGE, LAILA | Director | Sale | 20,161 | — | — |
| 2025-12-31 | PARTRIDGE, LAILA | Director | Buy | 20,161 | — | — |
| 2025-12-31 | PARTRIDGE, LAILA | Director | Sale | 10,000 | $3.72 | $37200.00 |
| 2025-12-31 | MARCELLI, JAMES S. | Director, CFO, COO | Buy | 307,113 | — | — |
| 2025-12-31 | MARCELLI, JAMES S. | Director, CFO, COO | Sale | 77,758 | $3.24 | $251935.92 |
| 2025-12-31 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 20,161 | — | — |
| 2025-12-31 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 49,260 | $3.15 | $155218.26 |
| 2025-12-31 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 20,161 | — | — |
| 2025-12-31 | CONNELLY, THOMAS M JR | Director | Sale | 20,161 | — | — |
| 2025-12-31 | CONNELLY, THOMAS M JR | Director | Buy | 20,161 | — | — |
| 2025-12-31 | CIESLA, CRAIG | Director | Sale | 20,161 | — | — |
| 2025-12-31 | CIESLA, CRAIG | Director | Buy | 20,161 | — | — |
| 2025-12-31 | BUCCHI, RONALD A | Director | Sale | 20,161 | — | — |
| 2025-12-31 | BUCCHI, RONALD A | Director | Buy | 20,161 | — | — |
| 2025-10-02 | PARTRIDGE, LAILA | Director | Sale | 10,000 | $4.11 | $41140.00 |
| 2025-10-02 | CONNELLY, THOMAS M JR | Director | Sale | 6,000 | $4.26 | $25530.00 |
| 2025-10-02 | BUCCHI, RONALD A | Director | Sale | 10,000 | $3.97 | $39670.00 |
| 2025-09-30 | PARTRIDGE, LAILA | Director | Sale | 20,161 | — | — |
| 2025-09-30 | PARTRIDGE, LAILA | Director | Buy | 20,161 | — | — |
| 2025-09-30 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 20,161 | — | — |
| 2025-09-30 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 20,161 | — | — |
| 2025-09-30 | CONNELLY, THOMAS M JR | Director | Sale | 20,161 | — | — |
| 2025-09-30 | CONNELLY, THOMAS M JR | Director | Buy | 20,161 | — | — |
| 2025-09-30 | CIESLA, CRAIG | Director | Sale | 20,161 | — | — |
| 2025-09-30 | CIESLA, CRAIG | Director | Buy | 20,161 | — | — |
| 2025-09-30 | BUCCHI, RONALD A | Director | Sale | 20,161 | — | — |
| 2025-09-30 | BUCCHI, RONALD A | Director | Buy | 20,161 | — | — |
| 2025-09-12 | LE, MAITRE YVES | Director, CEO | Buy | 2,442,997 | — | — |
| 2025-07-15 | PARTRIDGE, LAILA | Director | Sale | 20,162 | — | — |
| 2025-07-15 | PARTRIDGE, LAILA | Director | Buy | 20,162 | — | — |
| 2025-07-15 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 20,162 | — | — |
| 2025-07-15 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 20,162 | — | — |
| 2025-07-15 | CONNELLY, THOMAS M JR | Director | Sale | 20,162 | — | — |
| 2025-07-15 | CONNELLY, THOMAS M JR | Director | Buy | 20,162 | — | — |
| 2025-07-15 | CIESLA, CRAIG | Director | Sale | 20,162 | — | — |
| 2025-07-15 | CIESLA, CRAIG | Director | Buy | 20,162 | — | — |
| 2025-07-15 | BUCCHI, RONALD A | Director | Sale | 20,162 | — | — |
| 2025-07-15 | BUCCHI, RONALD A | Director | Buy | 20,162 | — | — |
| 2025-06-30 | PARTRIDGE, LAILA | Director | Buy | 80,645 | — | — |
| 2025-06-30 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 80,645 | — | — |
| 2025-06-30 | CONNELLY, THOMAS M JR | Director | Buy | 80,645 | — | — |
| 2025-06-30 | CIESLA, CRAIG | Director | Buy | 80,645 | — | — |
| 2025-06-30 | BUCCHI, RONALD A | Director | Buy | 80,645 | — | — |
| 2025-06-17 | MARCELLI, JAMES S. | Director, CFO, COO | Sale | 1,150,000 | — | — |
| 2025-06-17 | MARCELLI, JAMES S. | Director, CFO, COO | Buy | 1,150,000 | $0.70 | $805000.00 |
| 2025-06-17 | MARCELLI, JAMES S. | Director, CFO, COO | Sale | 800,762 | $1.27 | $1.02M |
| 2025-06-10 | ZELIBOR, THOMAS EDWARD | President | Sale | 9,888 | — | — |
| 2025-02-28 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 50,000 | — | — |
| 2025-02-28 | EL-AHMADI, SIRAJ NOUR | Director | Buy | 50,000 | $0.80 | $40000.00 |
| 2025-02-28 | EL-AHMADI, SIRAJ NOUR | Director | Sale | 33,058 | $1.21 | $40000.18 |
| 2025-02-20 | BUCCHI, RONALD A | Director | Sale | 50,000 | — | — |
| 2025-02-20 | BUCCHI, RONALD A | Director | Buy | 50,000 | $0.80 | $40000.00 |
| 2025-02-06 | MARCELLI, JAMES S. | Director, CFO, COO | Buy | 32,336 | — | — |
| 2025-01-17 | ZELIBOR, THOMAS EDWARD | President | Sale | 25,000 | — | — |
| 2025-01-17 | ZELIBOR, THOMAS EDWARD | President | Buy | 25,000 | $0.80 | $20000.00 |
| 2024-12-21 | LEONBERGER, FREDERICK J | Director | Sale | 100,000 | — | — |
| 2024-12-21 | LEONBERGER, FREDERICK J | Director | Buy | 100,000 | $0.77 | $77000.00 |
| 2024-12-10 | LE, MAITRE YVES | Director, CEO | Buy | 150,000 | — | — |
| 2024-12-10 | LE, MAITRE YVES | Director, CEO | Buy | 50,000 | — | — |
Frequently asked questions
Are LWLG insiders buying or selling?
Over the transactions on record, LWLG insiders have been net sellers, with about $4.98M in stock sold across 50 sales, against 8 open-market purchases.
Does insider selling at LWLG mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which LWLG insiders are selling the most?
Recent selling is concentrated in a few names. LE, MAITRE YVES accounts for the largest share on record, with about $2.09M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.