Singer Michael has filed 39 insider transactions across 1 company since November 2023.
Most recent transaction: a gift of 6555 shares of Cartesian Therapeutics, Inc. ($RNAC) on March 13, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | G | Common Stock | 6555 | $0.00 | 704,446.0000 | 26,003,606 | 0.92% | 0.03% |
| Jan. 2, 2026 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Common Stock | 2600 | $0.00 | 711,001.0000 | 26,003,606 | 0.37% | 0.01% |
| Jan. 2, 2026 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Stock Option (Right to Buy) | 7800 | $0.00 | 7,800.0000 | 26,003,606 | 9999.99% | 0.03% |
| Nov. 18, 2025 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | G | Common Stock | 20000 | $0.00 | 708,401.0000 | 26,003,606 | 2.75% | 0.08% |
| Jan. 2, 2025 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Common Stock | 2600 | $0.00 | 728,401.0000 | 25,767,369 | 0.36% | 0.01% |
| Jan. 2, 2025 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Stock Option (Right to Buy) | 7800 | $0.00 | 7,800.0000 | 25,767,369 | 9999.99% | 0.03% |
| Dec. 26, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | G | Common Stock | 20000 | $0.00 | 725,801.0000 | 23,896,525 | 2.68% | 0.08% |
| Nov. 19, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | G | Common Stock | 28821 | $0.00 | 745,801.0000 | 23,896,525 | 3.72% | 0.12% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 14535 | $0.00 | 237,888.0000 | 5,515,836 | 6.51% | 0.26% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 94568 | $0.00 | 237,888.0000 | 5,515,836 | 65.98% | 1.71% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 94568 | $0.00 | 237,888.0000 | 5,515,836 | 65.98% | 1.71% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 3305 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.06% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 11316 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.21% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 1672 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.03% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 210 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.00% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 436 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.01% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 2837 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.05% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Series A Non-Voting Convertible Preferred Stock | 2837 | $0.00 | 0.0000 | 5,515,836 | 100.00% | 0.05% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 55746 | $0.00 | 287,480.0000 | 5,515,836 | 24.06% | 1.01% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 7005 | $0.00 | 237,888.0000 | 5,515,836 | 3.03% | 0.13% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 377208 | $0.00 | 614,557.0000 | 5,515,836 | 158.93% | 6.84% |
| April 8, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | M | Common Stock | 110151 | $0.00 | 237,888.0000 | 5,515,836 | 86.23% | 2.00% |
| Jan. 2, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Common Stock | 178000 | $0.00 | 625,394.0000 | 5,397,597 | 39.79% | 3.30% |
| Dec. 22, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | G | Series A Convertible Preferred Stock | 3000 | $0.00 | 28,918.0920 | 5,101,459 | 9.40% | 0.06% |
| Jan. 2, 2024 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Stock Option (Right to Buy) | 228000 | $0.00 | 228,000.0000 | 5,397,597 | 9999.99% | 4.22% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 3670 | $0.00 | 170,964.0000 | 5,101,459 | 2.19% | 0.07% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 49555 | $0.00 | 170,964.0000 | 5,101,459 | 40.82% | 0.97% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 49555 | $0.00 | 170,964.0000 | 5,101,459 | 40.82% | 0.97% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 7616 | $0.00 | 170,964.0000 | 5,101,459 | 4.66% | 0.15% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Series A Non-Voting Convertible Preferred Stock | 6305 | $0.00 | 9,787.8290 | 5,101,459 | 181.00% | 0.12% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | A | Common Stock | 110123 | $0.00 | 170,964.0000 | 5,101,459 | 181.00% | 2.16% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 1672 | $0.00 | 11,250.0660 | 5,101,459 | 17.46% | 0.03% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 210 | $0.00 | 9,787.8290 | 5,101,459 | 2.19% | 0.00% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 2837 | $0.00 | 9,787.8290 | 5,101,459 | 40.82% | 0.06% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 2837 | $0.00 | 9,787.8290 | 5,101,459 | 40.82% | 0.06% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 436 | $0.00 | 9,787.8290 | 5,101,459 | 4.66% | 0.01% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Series A Non-Voting Convertible Preferred Stock | 11316 | $0.00 | 20,893.9400 | 5,101,459 | 118.15% | 0.22% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 197663 | $0.00 | 364,957.0000 | 5,101,459 | 118.15% | 3.87% |
| Nov. 13, 2023 | Cartesian Therapeutics, Inc. | $RNAC | Singer Michael | Director | J | Common Stock | 29212 | $0.00 | 196,506.0000 | 5,101,459 | 17.46% | 0.57% |