Gwendolyn Binder, President of Science & Tech at Cabaletta Bio ($CABA), made one open market purchase of shares worth $24,763 in the last year. Her most recent buy was on January 21, 2026. This ranks her 3,645th among 4,983 insiders by purchase amount, below the average of $1.46 million across 3.29 transactions per insider. She reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 2, 2026 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 225000 | $0.00 | 225,000.0000 | 96,265,204 | 9999.99% | 0.23% |
| Jan. 21, 2026 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | P | Common Stock | 11312 | $2.19 | 31,312.0000 | 96,265,204 | 56.56% | 0.01% |
| May 28, 2025 | Instil Bio, Inc. | $TIL | Binder Gwendolyn | Director | A | Stock Option (Right to Buy) | 6500 | $0.00 | 6,500.0000 | 6,558,927 | 9999.99% | 0.10% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 125000 | $0.00 | 125,000.0000 | 50,743,101 | 9999.99% | 0.25% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 160000 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.32% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 160000 | $0.00 | 160,000.0000 | 50,743,101 | 9999.99% | 0.32% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 176000 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.35% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 176000 | $0.00 | 176,000.0000 | 50,743,101 | 9999.99% | 0.35% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 130000 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.26% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 130000 | $0.00 | 130,000.0000 | 50,743,101 | 9999.99% | 0.26% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 66667 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.13% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 29908 | $0.00 | 29,908.0000 | 50,743,101 | 9999.99% | 0.06% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 125000 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.25% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 66667 | $0.00 | 66,667.0000 | 50,743,101 | 9999.99% | 0.13% |
| May 19, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | D | Stock Option (Right to Buy) | 29908 | $0.00 | 0.0000 | 50,743,101 | 100.00% | 0.06% |
| March 3, 2025 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | President, Science & Tech. | A | Stock Option (Right to Buy) | 145000 | $0.00 | 145,000.0000 | 0 | 9999.99% | 0.00% |
| June 13, 2024 | Instil Bio, Inc. | $TIL | Binder Gwendolyn | Director | A | Stock Option (Right to Buy) | 5000 | $0.00 | 5,000.0000 | 6,503,913 | 9999.99% | 0.08% |
| March 1, 2024 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | A | Stock Option (Right to Buy) | 130000 | $0.00 | 130,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 19, 2024 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 10300 | $19.54 | 20,700.0000 | 0 | 33.23% | 0.00% |
| Jan. 19, 2024 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 700 | $20.33 | 20,000.0000 | 0 | 3.38% | 0.00% |
| Jan. 19, 2024 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 100,756.0000 | 0 | 9.84% | 0.00% |
| Jan. 19, 2024 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| June 14, 2023 | Instil Bio, Inc. | $TIL | Binder Gwendolyn | Director | A | Stock Option (Right to Buy) | 1500 | $0.00 | 1,500.0000 | 6,503,913 | 9999.99% | 0.02% |
| Dec. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 7868 | $21.76 | 23,132.0000 | 0 | 25.38% | 0.00% |
| Dec. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 3132 | $22.22 | 20,000.0000 | 0 | 13.54% | 0.00% |
| Dec. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 111,756.0000 | 0 | 8.96% | 0.00% |
| Dec. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| Nov. 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 7458 | $18.02 | 20,000.0000 | 0 | 27.16% | 0.00% |
| Nov. 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| Nov. 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 3542 | $17.39 | 27,458.0000 | 0 | 11.43% | 0.00% |
| Nov. 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 122,756.0000 | 0 | 8.22% | 0.00% |
| Oct. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 408 | $14.28 | 20,000.0000 | 0 | 2.00% | 0.00% |
| Oct. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 133,756.0000 | 0 | 7.60% | 0.00% |
| Oct. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 10592 | $13.32 | 20,408.0000 | 0 | 34.17% | 0.00% |
| Oct. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| Sept. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 700 | $18.50 | 20,000.0000 | 0 | 3.38% | 0.00% |
| Sept. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 144,756.0000 | 0 | 7.06% | 0.00% |
| Sept. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| Sept. 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 10300 | $17.50 | 20,700.0000 | 0 | 33.23% | 0.00% |
| Aug. 21, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 300 | $13.82 | 20,000.0000 | 0 | 1.48% | 0.00% |
| Aug. 21, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 155,756.0000 | 0 | 6.60% | 0.00% |
| Aug. 21, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| Aug. 21, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 10700 | $13.41 | 20,300.0000 | 0 | 34.52% | 0.00% |
| July 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 2815 | $14.26 | 20,000.0000 | 0 | 12.34% | 0.00% |
| July 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 166,756.0000 | 0 | 6.19% | 0.00% |
| July 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| July 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 8185 | $13.67 | 22,815.0000 | 0 | 26.40% | 0.00% |
| June 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 11000 | $0.00 | 177,756.0000 | 0 | 5.83% | 0.00% |
| June 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 11000 | $12.99 | 20,000.0000 | 0 | 35.48% | 0.00% |
| June 20, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 11000 | $1.01 | 31,000.0000 | 0 | 55.00% | 0.00% |
| May 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Stock Option (Right to Buy) | 22000 | $0.00 | 188,756.0000 | 0 | 10.44% | 0.00% |
| May 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | M | Common Stock | 22000 | $1.01 | 42,000.0000 | 0 | 110.00% | 0.00% |
| May 19, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | S | Common Stock | 22000 | $11.81 | 20,000.0000 | 0 | 52.38% | 0.00% |
| Jan. 18, 2023 | Cabaletta Bio, Inc. | $CABA | Binder Gwendolyn | See Remarks | A | Stock Option (Right to Buy) | 176000 | $0.00 | 176,000.0000 | 0 | 9999.99% | 0.00% |