Robert Gardner Harrison
Chief Information Officer at Sera Prognostics · 13 reported transactions in 1 company · latest trade Feb 24, 2026
Their trades
Sold | Feb 24, 2026 | Feb 24, 2026 close $2.25 → Oct 30, 2026 close $2.04. S&P 500 +9.9% over the same days. | ||
Sold | Jan 27, 2026 | Jan 27, 2026 close $3.00 → Oct 30, 2026 close $2.04. S&P 500 +8.7% over the same days. | ||
Sold | Dec 30, 2025 | Dec 30, 2025 close $2.90 → Oct 30, 2026 close $2.04. S&P 500 +10.0% over the same days. | ||
Sold | Dec 10, 2025 | Dec 10, 2025 close $3.40 → Oct 30, 2026 close $2.04. S&P 500 +9.9% over the same days. | ||
Sold | Dec 2, 2025 | Dec 2, 2025 close $2.90 → Oct 30, 2026 close $2.04. S&P 500 +10.9% over the same days. | ||
Sold | Nov 10, 2025 | Nov 10, 2025 close $2.55 → Oct 30, 2026 close $2.04. S&P 500 +10.9% over the same days. | ||
Sold | Nov 4, 2025 | Nov 4, 2025 close $3.02 → Oct 30, 2026 close $2.04. S&P 500 +11.9% over the same days. | ||
Sold | Oct 7, 2025 | Oct 7, 2025 close $3.25 → Oct 30, 2026 close $2.04. S&P 500 +12.9% over the same days. | ||
Sold | Sep 11, 2025 | Sep 11, 2025 close $3.07 → Oct 30, 2026 close $2.04. S&P 500 +14.9% over the same days. | ||
Sold | Sep 9, 2025 | Sep 9, 2025 close $3.10 → Oct 30, 2026 close $2.04. S&P 500 +16.2% over the same days. |
SoldSera Prognostics
$4.7K
Feb 24, 2026 close $2.25 → Oct 30, 2026 close $2.04. S&P 500 +9.9% over the same days.
SoldSera Prognostics
$5.9K
Jan 27, 2026 close $3.00 → Oct 30, 2026 close $2.04. S&P 500 +8.7% over the same days.
SoldSera Prognostics
$6K
Dec 30, 2025 close $2.90 → Oct 30, 2026 close $2.04. S&P 500 +10.0% over the same days.
SoldSera Prognostics
$2K
Dec 10, 2025 close $3.40 → Oct 30, 2026 close $2.04. S&P 500 +9.9% over the same days.
SoldSera Prognostics
$5.9K
Dec 2, 2025 close $2.90 → Oct 30, 2026 close $2.04. S&P 500 +10.9% over the same days.
SoldSera Prognostics
$17.1K
Nov 10, 2025 close $2.55 → Oct 30, 2026 close $2.04. S&P 500 +10.9% over the same days.
SoldSera Prognostics
$6.1K
Nov 4, 2025 close $3.02 → Oct 30, 2026 close $2.04. S&P 500 +11.9% over the same days.
SoldSera Prognostics
$6.4K
Oct 7, 2025 close $3.25 → Oct 30, 2026 close $2.04. S&P 500 +12.9% over the same days.
SoldSera Prognostics
$2K
Sep 11, 2025 close $3.07 → Oct 30, 2026 close $2.04. S&P 500 +14.9% over the same days.
SoldSera Prognostics
$6.1K
Sep 9, 2025 close $3.10 → Oct 30, 2026 close $2.04. S&P 500 +16.2% over the same days.