Christine Zedelmayer, Senior Vice President and COO of Equillium, Inc. ($EQ), made 10 open market sales of company shares over the last year, totaling $1.22 million. Her most recent sale occurred on March 9, 2026. These transactions rank 4,474th out of 11,678 insiders in our database, trailing the average sale value of $8.6 million across 6.37 transactions per insider. Zedelmayer recorded no open market purchases during this period.
| 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 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 120312 | $0.00 | 54,688.0000 | 65,322,753 | 68.75% | 0.18% |
| March 13, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 120312 | $2.50 | 62,586.0000 | 65,322,753 | 65.78% | 0.18% |
| March 13, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 120312 | $0.79 | 182,898.0000 | 65,322,753 | 192.23% | 0.18% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 75000 | $0.79 | 243,805.0000 | 65,322,753 | 44.43% | 0.11% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 181219 | $2.00 | 62,586.0000 | 65,322,753 | 74.33% | 0.28% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 35695 | $0.00 | 0.0000 | 65,322,753 | 100.00% | 0.05% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 41666 | $0.00 | 0.0000 | 65,322,753 | 100.00% | 0.06% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 75000 | $0.00 | 0.0000 | 65,322,753 | 100.00% | 0.11% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 109375 | $0.79 | 200,819.0000 | 65,322,753 | 119.61% | 0.17% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 109375 | $1.78 | 91,444.0000 | 65,322,753 | 54.46% | 0.17% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 76562 | $0.73 | 168,006.0000 | 65,322,753 | 83.73% | 0.12% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 35695 | $0.79 | 127,139.0000 | 65,322,753 | 39.03% | 0.05% |
| March 9, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 41666 | $0.79 | 168,805.0000 | 65,322,753 | 32.77% | 0.06% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 76562 | $1.74 | 91,444.0000 | 65,322,753 | 45.57% | 0.12% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 109375 | $0.79 | 300,819.0000 | 65,322,753 | 57.13% | 0.17% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 76562 | $0.00 | 98,438.0000 | 65,322,753 | 43.75% | 0.12% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 109375 | $0.00 | 15,625.0000 | 65,322,753 | 87.50% | 0.17% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 76562 | $1.74 | 191,444.0000 | 65,322,753 | 28.57% | 0.12% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 76562 | $0.73 | 268,006.0000 | 65,322,753 | 39.99% | 0.12% |
| Feb. 19, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 109375 | $1.78 | 191,444.0000 | 65,322,753 | 36.36% | 0.17% |
| Jan. 7, 2026 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 500000 | $0.00 | 500,000.0000 | 65,322,753 | 9999.99% | 0.77% |
| Dec. 23, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Common Stock | 100000 | $0.79 | 191,444.0000 | 65,322,753 | 109.36% | 0.15% |
| Dec. 23, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | M | Employee Stock Option (right to buy) | 100000 | $0.00 | 0.0000 | 65,322,753 | 100.00% | 0.15% |
| Dec. 23, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 100000 | $1.50 | 91,444.0000 | 65,322,753 | 52.23% | 0.15% |
| Dec. 12, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 23804 | $1.34 | 103,344.0000 | 65,322,753 | 18.72% | 0.04% |
| Dec. 15, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 11900 | $1.31 | 91,444.0000 | 65,322,753 | 11.51% | 0.02% |
| Nov. 25, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 100 | $0.98 | 135,146.0000 | 65,322,753 | 0.07% | 0.00% |
| Nov. 25, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 7998 | $0.95 | 127,148.0000 | 65,322,753 | 5.92% | 0.01% |
| Aug. 29, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 725000 | $0.00 | 725,000.0000 | 35,357,641 | 9999.99% | 2.05% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 125000 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.35% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 35695 | $0.00 | 35,695.0000 | 35,357,641 | 9999.99% | 0.10% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 35695 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.10% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 41666 | $0.00 | 41,666.0000 | 35,357,641 | 9999.99% | 0.12% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 41666 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.12% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 75000 | $0.00 | 75,000.0000 | 35,357,641 | 9999.99% | 0.21% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 75000 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.21% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 35,357,641 | 9999.99% | 0.28% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 100000 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.28% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 125000 | $0.00 | 125,000.0000 | 35,357,641 | 9999.99% | 0.35% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 175000 | $0.00 | 175,000.0000 | 35,357,641 | 9999.99% | 0.49% |
| Feb. 14, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | D | Employee Stock Option (right to buy) | 175000 | $0.00 | 0.0000 | 35,357,641 | 100.00% | 0.49% |
| Jan. 2, 2025 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 175000 | $0.00 | 175,000.0000 | 35,357,641 | 9999.99% | 0.49% |
| Oct. 28, 2024 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | S | Common Stock | 15000 | $1.25 | 135,246.0000 | 35,424,388 | 9.98% | 0.04% |
| Dec. 8, 2023 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Common Stock | 8804 | $0.58 | 135,246.0000 | 0 | 6.96% | 0.00% |
| Jan. 2, 2024 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 175000 | $0.00 | 175,000.0000 | 34,726,384 | 9999.99% | 0.50% |
| June 9, 2023 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Common Stock | 15000 | $0.56 | 126,442.0000 | 0 | 13.46% | 0.00% |
| Jan. 19, 2022 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |
| June 10, 2022 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Common Stock | 9033 | $1.85 | 111,442.0000 | 0 | 8.82% | 0.00% |
| Jan. 3, 2023 | Equillium, Inc. | $EQ | Zedelmayer Christine | Sr. Vice President and COO | A | Employee Stock Option (right to buy) | 175000 | $0.00 | 175,000.0000 | 0 | 9999.99% | 0.00% |