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Track record

What happened ~6 months after each disclosed buy

-15.5%avg per buy, ~6 months on+8.4%S&P 500 avg, same spans
LAB · 2025-08-13 · -2.3% (S&P +6.4%)LAB · 2025-08-14 · +1.6% (S&P +5.1%)LAB · 2025-08-15 · +2.4% (S&P +7.3%)LAB · 2025-08-22 · -11.8% (S&P +5.6%)LAB · 2025-08-25 · -9.7% (S&P +6.3%)LAB · 2025-08-26 · -11.6% (S&P +6.4%)LAB · 2025-09-03 · -9.3% (S&P +7.7%)LAB · 2025-09-04 · -9.3% (S&P +6.2%)LAB · 2025-09-09 · -18.8% (S&P +4.6%)LAB · 2025-11-07 · -16.8% (S&P +7.0%)LAB · 2025-11-10 · -16.2% (S&P +6.2%)LAB · 2025-11-11 · -18.5% (S&P +7.4%)LAB · 2025-11-12 · -15.3% (S&P +7.1%)LAB · 2025-11-13 · -15.0% (S&P +9.8%)LAB · 2025-11-14 · -20.2% (S&P +10.0%)LAB · 2025-11-17 · -16.5% (S&P +10.9%)LAB · 2025-11-18 · -18.5% (S&P +12.5%)LAB · 2025-11-19 · -21.9% (S&P +12.9%)LAB · 2025-11-20 · -23.4% (S&P +13.3%)LAB · 2025-11-24 · -29.6% (S&P +9.7%)LAB · 2025-11-25 · -25.4% (S&P +9.8%)LAB · 2025-12-02 · -25.4% (S&P +10.1%)LAB · 2025-12-03 · -20.8% (S&P +9.8%)LAB · 2025-12-04 · -20.1% (S&P +9.7%)
2025-08-132025-12-04
Each dot: one completed buy’s ~6-month outcome, equal weight per buy · dashed: S&P 500 over the same spans · hover a dot for detail
2 of 24
buys higher ~6mo later
-16.5%
median outcome
+7.7%
S&P 500 median, same spans

Disclosed positions

Estimated from their latest filings — positions may have changed since

$200.33M
combined est. value
BLFS
BIOLIFE SOLUTIONS INC
$132.56M
4,757,165 sh
LAB
STANDARD BIOTOOLS INC.
$67.77M
72,100,000 sh

Activity

Open-market buy & sell volume

BuySell
0$34.4M$68.7M2025 · bought $16.3M · sold $68.7M20252026 · bought $0 · sold $28.1M2026
Total +$16.30M bought · −$96.84M sold
Most bought
LAB
$16.30M

All filings on record

Every Form 4 transaction we track for this filer

BLFSSell
2026-05-21 · BIOLIFE SOLUTIONS INC
$15.40M
—
BLFSSell
2026-05-20 · BIOLIFE SOLUTIONS INC
$5.92M
—
BLFSSell
2026-05-19 · BIOLIFE SOLUTIONS INC
$6.79M
—
LABBuy
2025-12-04 · STANDARD BIOTOOLS INC.
$217.0K
-20.1%
LABBuy
2025-12-03 · STANDARD BIOTOOLS INC.
$108.0K
-20.8%
LABBuy
2025-12-02 · STANDARD BIOTOOLS INC.
$177.5K
-25.4%
LABBuy
2025-11-25 · STANDARD BIOTOOLS INC.
$9.84M
-25.4%
LABBuy
2025-11-24 · STANDARD BIOTOOLS INC.
$214.9K
-29.6%
LABBuy
2025-11-20 · STANDARD BIOTOOLS INC.
$586.3K
-23.4%
LABBuy
2025-11-19 · STANDARD BIOTOOLS INC.
$448.9K
-21.9%
LABBuy
2025-11-18 · STANDARD BIOTOOLS INC.
$339.4K
-18.5%
LABBuy
2025-11-17 · STANDARD BIOTOOLS INC.
$275.6K
-16.5%
LABBuy
2025-11-14 · STANDARD BIOTOOLS INC.
$309.8K
-20.2%
LABBuy
2025-11-13 · STANDARD BIOTOOLS INC.
$541.4K
-15.0%
LABBuy
2025-11-12 · STANDARD BIOTOOLS INC.
$445.8K
-15.3%
LABBuy
2025-11-11 · STANDARD BIOTOOLS INC.
$358.8K
-18.5%
LABBuy
2025-11-10 · STANDARD BIOTOOLS INC.
$321.9K
-16.2%
LABBuy
2025-11-07 · STANDARD BIOTOOLS INC.
$252.8K
-16.8%
BLFSSell
2025-10-15 · BIOLIFE SOLUTIONS INC
$21.41M
—
LABBuy
2025-09-09 · STANDARD BIOTOOLS INC.
$128.9K
-18.8%
LABBuy
2025-09-04 · STANDARD BIOTOOLS INC.
$319.4K
-9.3%
LABBuy
2025-09-03 · STANDARD BIOTOOLS INC.
$316.4K
-9.3%
LABBuy
2025-08-26 · STANDARD BIOTOOLS INC.
$157.9K
-11.6%
LABBuy
2025-08-25 · STANDARD BIOTOOLS INC.
$248.2K
-9.7%
LABBuy
2025-08-22 · STANDARD BIOTOOLS INC.
$252.7K
-11.8%

Outcomes measure each disclosed buy against the closing price ~6 months (120 trading days) later, with the S&P 500 over the same span for context. Pre-scheduled 10b5-1 plan trades are excluded from the record. Positions are estimated from the latest reported post-transaction holdings, split-adjusted, at the latest close. Built from SEC Form 4 filings and market prices — past outcomes, not predictions or advice.