Liebowitz Michael has filed 17 insider transactions across 2 companies since March 2023.
Most recent transaction: a tax payment of 196750 shares of Douglas Elliman Inc. ($DOUG) on November 24, 2025.
Activity breakdown: 7 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 24, 2025 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | President and CEO | F | Common Stock | 196750 | $2.41 | 2,878,942.1490 | 88,958,101 | 6.40% | 0.22% |
| Dec. 23, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | D | Restriced Stock Units | 1443548 | $0.00 | 0.0000 | 10,501,178 | 100.00% | 13.75% |
| Nov. 24, 2024 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | See Remarks | A | Common Stock | 1500000 | $0.00 | 3,075,692.1490 | 91,832,616 | 95.20% | 1.63% |
| Nov. 24, 2024 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | See Remarks | A | Performance Share Units | 2325000 | $0.00 | 2,325,000.0000 | 91,832,616 | 9999.99% | 2.53% |
| Nov. 18, 2024 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | See Remarks | P | Common Stock | 1081414 | $1.68 | 1,575,692.1490 | 91,832,616 | 218.79% | 1.18% |
| Nov. 16, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | M | Common Stock | 206221 | $0.00 | 3,293,871.0000 | 10,501,178 | 6.68% | 1.96% |
| Nov. 16, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | F | Common Stock | 61416 | $1.90 | 3,232,455.0000 | 10,501,178 | 1.86% | 0.58% |
| Nov. 16, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | M | Restriced Stock Units | 206221 | $0.00 | 1,443,548.0000 | 10,501,178 | 12.50% | 1.96% |
| Aug. 16, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | A | Restricted Stock Units | 1649769 | $0.00 | 1,649,769.0000 | 10,501,178 | 9999.99% | 15.71% |
| July 10, 2024 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | Not found | P | Common Stock | 197398 | $1.18 | 494,278.1490 | 91,714,666 | 66.49% | 0.22% |
| June 28, 2024 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | P | Common Stock | 2500 | $2.94 | 3,087,650.0000 | 10,501,178 | 0.08% | 0.02% |
| May 6, 2024 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | Not found | A | Common Stock | 81560 | $0.00 | 296,880.1490 | 87,925,412 | 37.88% | 0.09% |
| Aug. 18, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | P | Common Stock | 100 | $3.39 | 3,083,250.0000 | 0 | 0.00% | 0.00% |
| Aug. 18, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | P | Common Stock | 900 | $3.40 | 3,084,150.0000 | 0 | 0.03% | 0.00% |
| Aug. 21, 2023 | NOCOPI TECHNOLOGIES INC/MD/ | $NNUP | Liebowitz Michael | Chief Executive Officer | P | Common Stock | 1000 | $3.08 | 3,085,150.0000 | 0 | 0.03% | 0.00% |
| Aug. 18, 2023 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | Not found | P | Common Stock | 9954 | $2.11 | 215,320.1490 | 80,881,022 | 4.85% | 0.01% |
| March 14, 2023 | Douglas Elliman Inc. | $DOUG | Liebowitz Michael | Director | A | Common Stock | 30000 | $0.00 | 195,586.8090 | 80,881,022 | 18.12% | 0.04% |