Klencke Barbara has filed 15 insider transactions across 4 companies since September 2023.
Most recent transaction: a grant/award of 700000 shares of ALX ONCOLOGY HOLDINGS INC ($ALXO) on March 03, 2026.
Activity breakdown: 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 3, 2026 | ALX ONCOLOGY HOLDINGS INC | $ALXO | Klencke Barbara | Chief Medical Officer | A | Stock option (right to buy) | 700000 | $0.00 | 700,000.0000 | 54,218,001 | 9999.99% | 1.29% |
| Sept. 17, 2025 | ALX ONCOLOGY HOLDINGS INC | $ALXO | Klencke Barbara | Not found | A | Stock option (right to buy) | 300000 | $0.00 | 300,000.0000 | 53,384,145 | 9999.99% | 0.56% |
| June 30, 2025 | TScan Therapeutics, Inc. | $TCRX | Klencke Barbara | Not found | A | Stock Option (Right to Buy) | 67000 | $0.00 | 67,000.0000 | 111,990,417 | 9999.99% | 0.06% |
| June 12, 2025 | Xencor Inc | $XNCR | Klencke Barbara | Director | A | Common Stock | 13686 | $0.00 | 19,672.0000 | 65,041,265 | 228.63% | 0.02% |
| June 12, 2025 | Xencor Inc | $XNCR | Klencke Barbara | Director | A | Stock Option (Right to Buy) | 27372 | $0.00 | 27,372.0000 | 65,041,265 | 9999.99% | 0.04% |
| Jan. 21, 2025 | ALX ONCOLOGY HOLDINGS INC | $ALXO | Klencke Barbara | Not found | A | Stock Option (right to buy) | 40400 | $0.00 | 40,400.0000 | 0 | 9999.99% | 0.00% |
| Sept. 23, 2024 | TScan Therapeutics, Inc. | $TCRX | Klencke Barbara | Not found | P | Voting Common Stock | 5000 | $5.29 | 70,000.0000 | 65,599,858 | 7.69% | 0.01% |
| Aug. 23, 2024 | TScan Therapeutics, Inc. | $TCRX | Klencke Barbara | Not found | P | Voting Common Stock | 5000 | $5.69 | 60,000.0000 | 65,599,858 | 9.09% | 0.01% |
| Aug. 26, 2024 | TScan Therapeutics, Inc. | $TCRX | Klencke Barbara | Not found | P | Voting Common Stock | 5000 | $5.53 | 65,000.0000 | 65,599,858 | 8.33% | 0.01% |
| June 13, 2024 | Xencor Inc | $XNCR | Klencke Barbara | Director | A | Common Stock | 5986 | $0.00 | 5,986.0000 | 60,503,283 | 9999.99% | 0.01% |
| June 13, 2024 | Xencor Inc | $XNCR | Klencke Barbara | Director | A | Stock Option (Right to Buy) | 11971 | $0.00 | 11,971.0000 | 60,503,283 | 9999.99% | 0.02% |
| June 12, 2024 | TScan Therapeutics, Inc. | $TCRX | Klencke Barbara | Not found | A | Stock Option (Right to Buy) | 47500 | $0.00 | 47,500.0000 | 65,599,858 | 9999.99% | 0.07% |
| June 13, 2024 | eFFECTOR Therapeutics, Inc. | $EFTR | Klencke Barbara | Not found | A | Stock Option (Right to Buy) | 800 | $0.00 | 800.0000 | 4,704,409 | 9999.99% | 0.02% |
| Feb. 19, 2024 | eFFECTOR Therapeutics, Inc. | $EFTR | Klencke Barbara | Director | A | Stock Option (Right to Buy) | 2000 | $0.00 | 2,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 15, 2023 | Xencor Inc | $XNCR | Klencke Barbara | Director | A | Stock Option (Right to Buy) | 40070 | $0.00 | 40,070.0000 | 59,652,461 | 9999.99% | 0.07% |