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Black Jeffrey G. insider trades
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Black Jeffrey G. insider trades

Black Jeffrey G. has filed 19 Form 4s with the SEC that we hold, for Exagen INC. (XGN) (Chief Financial Officer), APEN (Chief Financial Officer) and Standard Biotools INC. (LAB) (SVP & Chief Financial Officer). Across all of them we count 7 purchases worth $708.2K and 3 sales worth $354.9K reported on Form 4. In the last 12 months: 0 purchases ($0) and 2 sales ($154.5K). The largest single trade was a purchase of 25,000 shares of APEN worth $218.8K, dated 2021-08-11. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-08-11 and the latest 2026-09-02.

Exagen INC. (XGN)

Chief Financial Officer · 7 filings · 4 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2024-11-15P, purchase reported on Form 422,298$66.4K2024-11-19SEC
2025-09-02S, sale reported on Form 420,466$200.4K2025-09-04SEC
2026-02-24S, sale reported on Form 41,584$5.7K2026-02-25SEC
2026-09-01S, sale reported on Form 420,614$148.8K2026-09-02SEC

APEN

Chief Financial Officer · 6 filings · 4 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2021-08-11P, purchase reported on Form 425,000$218.8K2021-08-11SEC
2022-02-25P, purchase reported on Form 415,000$82.2K2022-03-01SEC
2022-02-28P, purchase reported on Form 415,000$84.9K2022-03-01SEC
2022-03-01P, purchase reported on Form 410,000$62.0K2022-03-01SEC

Standard Biotools INC. (LAB)

SVP & Chief Financial Officer · 6 filings · 2 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2023-05-18P, purchase reported on Form 443,492$96.6K2023-05-22SEC
2023-05-19P, purchase reported on Form 442,492$97.3K2023-05-22SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1449439) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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