ACKERMAN JOEL has filed 48 insider transactions across 2 companies since November 2022.
Most recent transaction: a grant/award of 15427 shares of DAVITA INC. ($DVA) on March 15, 2026.
Activity breakdown: 0 open-market purchases and 2 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 15, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | A | Stock Appreciation Rights | 15427 | $0.00 | 15,427.0000 | 68,549,000 | 9999.99% | 0.02% |
| March 15, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | A | Common Stock | 5706 | $0.00 | 226,725.0000 | 68,549,000 | 2.58% | 0.01% |
| March 15, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | F | Common Stock | 3362 | $150.72 | 223,363.0000 | 68,549,000 | 1.48% | 0.00% |
| March 15, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | F | Common Stock | 33693 | $150.72 | 189,670.0000 | 68,549,000 | 15.08% | 0.05% |
| March 15, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | F | Common Stock | 5765 | $150.72 | 183,905.0000 | 68,549,000 | 3.04% | 0.01% |
| March 10, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | A | Common Stock | 6585 | $0.00 | 155,022.0000 | 68,549,000 | 4.44% | 0.01% |
| March 10, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasurer | A | Common Stock | 65997 | $0.00 | 221,019.0000 | 68,549,000 | 42.57% | 0.10% |
| Feb. 6, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 5100 | $149.22 | 148,437.0000 | 68,549,000 | 3.32% | 0.01% |
| Feb. 6, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Stock Appreciation Rights | 44065 | $0.00 | 0.0000 | 68,549,000 | 100.00% | 0.06% |
| Feb. 6, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | D | Common Stock | 32168 | $149.22 | 153,537.0000 | 68,549,000 | 17.32% | 0.05% |
| Feb. 6, 2026 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Common Stock | 44065 | $108.93 | 185,705.0000 | 68,549,000 | 31.11% | 0.06% |
| Nov. 5, 2025 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | A | Option to purchase Common Stock | 21216 | $6.80 | 21,216.0000 | 14,457,837 | 9999.99% | 0.15% |
| Oct. 30, 2025 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Option to purchase Common Stock | 94405 | $2.10 | 0.0000 | 14,266,781 | 100.00% | 0.66% |
| Oct. 30, 2025 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Common Stock | 94405 | $2.10 | 1,056,539.0000 | 14,266,781 | 9.81% | 0.66% |
| March 15, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 3331 | $143.45 | 141,640.0000 | 90,369,000 | 2.30% | 0.00% |
| March 15, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 3093 | $143.45 | 144,971.0000 | 90,369,000 | 2.09% | 0.00% |
| March 15, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Stock Appreciation Rights | 16597 | $0.00 | 16,597.0000 | 90,369,000 | 9999.99% | 0.02% |
| March 15, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 5995 | $0.00 | 148,064.0000 | 90,369,000 | 4.22% | 0.01% |
| March 12, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 7394 | $0.00 | 134,848.0000 | 90,369,000 | 5.80% | 0.01% |
| March 12, 2025 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 7221 | $0.00 | 142,069.0000 | 90,369,000 | 5.35% | 0.01% |
| Nov. 12, 2024 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | A | Option to purchase Common Stock | 43190 | $4.64 | 43,190.0000 | 14,029,666 | 9999.99% | 0.31% |
| Oct. 31, 2024 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Common Stock | 16667 | $5.43 | 962,134.0000 | 13,547,604 | 1.76% | 0.12% |
| Oct. 31, 2024 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Common Stock | 88470 | $2.10 | 945,467.0000 | 13,547,604 | 10.32% | 0.65% |
| Oct. 31, 2024 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Option to purchase Common Stock | 16667 | $5.43 | 0.0000 | 13,547,604 | 100.00% | 0.12% |
| Oct. 31, 2024 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Option to purchase Common Stock | 88470 | $2.10 | 0.0000 | 13,547,604 | 100.00% | 0.65% |
| Sept. 16, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | D | Common Stock | 36684 | $163.56 | 149,056.0000 | 89,855,000 | 19.75% | 0.04% |
| Sept. 16, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Stock Appreciation Rights | 78999 | $0.00 | 0.0000 | 89,855,000 | 100.00% | 0.09% |
| Sept. 16, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Common Stock | 78999 | $75.95 | 185,740.0000 | 89,855,000 | 74.01% | 0.09% |
| Sept. 16, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 21602 | $163.56 | 127,454.0000 | 89,855,000 | 14.49% | 0.02% |
| Aug. 28, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | S | Common Stock | 4740 | $155.02 | 106,741.0000 | 89,855,000 | 4.25% | 0.01% |
| Aug. 27, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | S | Common Stock | 64029 | $155.06 | 111,481.0000 | 89,855,000 | 36.48% | 0.07% |
| March 15, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 10977 | $0.00 | 183,574.0000 | 88,824,000 | 6.36% | 0.01% |
| March 15, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 8064 | $136.00 | 175,510.0000 | 88,824,000 | 4.39% | 0.01% |
| March 14, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 14349 | $0.00 | 171,152.0000 | 88,824,000 | 9.15% | 0.02% |
| March 14, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | A | Common Stock | 1445 | $0.00 | 172,597.0000 | 88,824,000 | 0.84% | 0.00% |
| March 6, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 17149 | $134.65 | 156,803.0000 | 88,824,000 | 9.86% | 0.02% |
| March 6, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Stock Appreciation Rights | 55000 | $0.00 | 0.0000 | 88,824,000 | 100.00% | 0.06% |
| March 6, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | D | Common Stock | 21408 | $134.65 | 173,952.0000 | 88,824,000 | 10.96% | 0.02% |
| March 6, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Common Stock | 55000 | $52.41 | 195,360.0000 | 88,824,000 | 39.18% | 0.06% |
| Feb. 21, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Stock Appreciation Rights | 55000 | $0.00 | 55,000.0000 | 88,824,000 | 50.00% | 0.06% |
| Feb. 21, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | F | Common Stock | 14930 | $123.00 | 140,360.0000 | 88,824,000 | 9.61% | 0.02% |
| Feb. 21, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | D | Common Stock | 23436 | $123.00 | 155,290.0000 | 88,824,000 | 13.11% | 0.03% |
| Feb. 21, 2024 | DAVITA INC. | $DVA | ACKERMAN JOEL | CFO and Treasuer | M | Common Stock | 55000 | $52.41 | 178,726.0000 | 88,824,000 | 44.45% | 0.06% |
| Oct. 17, 2023 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Option to purchase Common Stock | 100000 | $2.10 | 0.0000 | 0 | 100.00% | 0.00% |
| Oct. 17, 2023 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Common Stock | 114552 | $2.10 | 856,997.0000 | 0 | 15.43% | 0.00% |
| Oct. 17, 2023 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | M | Option to purchase Common Stock | 14552 | $2.10 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 3, 2023 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | A | Option to purchase Common Stock | 35750 | $5.51 | 35,750.0000 | 0 | 9999.99% | 0.00% |
| Nov. 1, 2022 | CHAMPIONS ONCOLOGY, INC. | $CSBR | ACKERMAN JOEL | Director | A | Option to purchase Common Stock | 26500 | $7.00 | 26,500.0000 | 0 | 9999.99% | 0.00% |