InsiderFlow

Jeffrey G. Black

XGN

Jeffrey G. Black serves as officer: Chief Financial Officer at Exagen Inc. (XGN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

2 trades

$260.0K

Total Sells

3 trades

$322.9K

Net Position

Net Seller

$62.9K

Companies Traded

3

XGN, LAB, ATEC

Active Period

Mar 2021 – Feb 2026

5 total trades

Most Recent

Sell XGN

Feb 25, 2026 · $5.7K

Jeffrey G. Black's Insider Trading at Exagen Inc. (XGN)

Buys

1 · $66.4K

Sells

2 · $206.1K

Total Shares Bought

22,298

Total Shares Sold

22,050

XGN Price Chart
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DateTypeValue
Feb 25, 2026 Sell$5.7K
Sep 2, 2025 Sell$200.4K
Nov 19, 2024 Buy$66.4K

Jeffrey G. Black's Insider Trading at Standard BioTools Inc. (LAB)

Buys

1 · $193.6K

Sells

0 · $0.00

Total Shares Bought

85,984

Total Shares Sold

0

LAB Price Chart
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DateTypeValue
May 22, 2023 Buy$193.6K

Jeffrey G. Black's Insider Trading at Alphatec Holdings, Inc. (ATEC)

Buys

0 · $0.00

Sells

1 · $116.8K

Total Shares Bought

0

Total Shares Sold

7,000

ATEC Price Chart
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DateTypeValue
Mar 9, 2021 Sell$116.8K