Jeffrey G. Black, CFO of Exagen Inc. ($XGN), made two open market sales of company stock in the past year, totaling about $206,000. His latest sale occurred on February 24, 2026. These transactions rank him 8,350th out of 11,678 insiders by sale value, well below the average of 8.6 million across 6.4 transactions per seller. He reported no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 12, 2026 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Common Stock | 75000 | $3.16 | 342,442.0000 | 22,940,412 | 28.04% | 0.33% |
| Feb. 27, 2026 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Common Stock | 1511 | $3.08 | 343,953.0000 | 22,940,412 | 0.44% | 0.01% |
| March 12, 2026 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Stock Option(right to buy) | 50000 | $3.16 | 60,000.0000 | 22,940,412 | 500.00% | 0.22% |
| Feb. 24, 2026 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | S | Common Stock | 1584 | $3.61 | 267,442.0000 | 22,940,412 | 0.59% | 0.01% |
| Sept. 2, 2025 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | S | Common Stock | 20466 | $9.79 | 269,026.0000 | 18,203,044 | 7.07% | 0.11% |
| Feb. 21, 2025 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Stock Option(right to buy) | 10000 | $3.58 | 10,000.0000 | 18,203,044 | 9999.99% | 0.05% |
| Feb. 21, 2025 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Common Stock | 15000 | $0.00 | 289,492.0000 | 18,203,044 | 5.46% | 0.08% |
| Nov. 15, 2024 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | P | Common Stock | 22298 | $2.98 | 274,492.0000 | 18,254,937 | 8.84% | 0.12% |
| Aug. 20, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | F | Common Stock | 6690 | $1.91 | 421,608.0000 | 389,703,000 | 1.56% | 0.00% |
| Sept. 1, 2024 | EXAGEN INC. | $XGN | Black Jeffrey G. | Chief Financial Officer | A | Common Stock | 225000 | $0.00 | 252,194.0000 | 17,679,467 | 827.39% | 1.27% |
| Aug. 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | M | Common Stock | 13157 | $0.00 | 432,993.0000 | 389,703,000 | 3.13% | 0.00% |
| Aug. 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | F | Common Stock | 4695 | $1.55 | 428,298.0000 | 389,703,000 | 1.08% | 0.00% |
| Aug. 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | M | Restricted Stock Units | 13157 | $0.00 | 144,738.0000 | 389,703,000 | 8.33% | 0.00% |
| May 20, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | A | Stock Option (Right to Buy) | 400000 | $0.00 | 400,000.0000 | 387,652,000 | 9999.99% | 0.10% |
| May 20, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | A | Common Stock | 300000 | $0.00 | 419,836.0000 | 387,652,000 | 250.34% | 0.08% |
| May 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | M | Common Stock | 52631 | $0.00 | 157,895.0000 | 387,652,000 | 25.00% | 0.01% |
| May 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | F | Common Stock | 18779 | $2.54 | 119,836.0000 | 387,652,000 | 13.55% | 0.00% |
| May 15, 2024 | STANDARD BIOTOOLS INC. | $LAB | Black Jeffrey G. | SVP & Chief Financial Officer | M | Common Stock | 52631 | $0.00 | 138,615.0000 | 387,652,000 | 61.21% | 0.01% |