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LAB Insider Buying

The table below summarizes the most recent LAB insider buying information — the latest buy being $502,570.00 by Casdin Partners Master Fund, L.P. on 12/4/2025, with links to see the CAGR achieved by each insider on their purchases. As the saying goes on Wall Street, there are many possible reasons to sell a stock, but only one reason to buy. Watch the importance of insider buying video for more information about why LAB insider buys like these are important for investors to follow.
LAB insider buying image
DateInsiderPriceAmount
12-4-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.44
CAGR » 		$502,570.00
350,000 shares
11-25-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.31
CAGR » 		$10,053,280.00
7,700,000 shares
11-20-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.28
CAGR » 		$1,374,575.00
1,075,000 shares
11-17-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.22
CAGR » 		$1,126,775.00
925,000 shares
11-12-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.17
CAGR » 		$1,379,317.50
1,175,000 shares
9-9-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.29
CAGR » 		$128,920.00
100,000 shares
9-4-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.27
CAGR » 		$635,750.00
500,000 shares
8-26-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.25
CAGR » 		$658,797.50
525,000 shares
8-15-2025
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.24
CAGR » 		$443,032.57
358,220 shares
8-27-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.19
CAGR » 		$546,750.00
250,000 shares
8-26-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.06
CAGR » 		$1,546,237.01
750,000 shares
8-21-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.88
CAGR » 		$2,351,875.00
1,250,000 shares
8-14-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.59
CAGR » 		$1,913,520.00
1,200,000 shares
8-13-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.62
CAGR » 		$2,559,641.38
1,575,408 shares
8-8-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.61
CAGR » 		$1,718,800.82
1,069,562 shares
8-5-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $1.62
CAGR » 		$1,948,680.00
1,200,000 shares
5-23-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.60
CAGR » 		$260,000.00
100,000 shares
5-22-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.57
CAGR » 		$1,541,795.00
600,000 shares
5-17-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.56
CAGR » 		$3,455,543.67
1,352,072 shares
3-5-2024
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.57
CAGR » 		$646,168.84
251,403 shares
5-19-2023
Insider Buy		 Jeffrey G. Black
SVP & Chief Financial Officer		 $2.25
CAGR » 		$193,578.42
85,984 shares
5-19-2023
Insider Buy		 Casdin Partners Master Fund, L.P.
Director and >10% Owner		 $2.19
CAGR » 		$2,631,335.00
1,200,000 shares
5-19-2023
Insider Buy		 Eli Casdin
Director and >10% Owner		 $2.19
CAGR » 		$2,631,335.00
1,200,000 shares
8-4-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $1.75
CAGR » 		$526,608.41
301,182 shares
8-2-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $1.54
CAGR » 		$953,649.68
620,466 shares
6-13-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $1.70
CAGR » 		$170,000.00
100,000 shares
6-3-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $1.95
CAGR » 		$879,000.00
450,000 shares
5-10-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $2.88
CAGR » 		$1,406,715.00
488,350 shares
5-2-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $2.69
CAGR » 		$1,075,574.00
400,000 shares
4-12-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $3.80
CAGR » 		$741,150.00
195,000 shares
4-8-2022
Insider Buy		 Partners LP Caligan
>10% Owner		 $3.77
CAGR » 		$1,922,462.80
509,573 shares

Also See: Institutional Holders of LAB
Also See: SEC filings


Standard BioTools Insider Purchase CAGR Analysis

LAB Performance Since Insider Purchase
Below we present the annualized performance delivered by LAB stock since 12-4-2025 (the date of the most recent insider purchase). The performance of the investment from the time LAB insider buying occurred is the ultimate test of whether insiders were right about LAB being a good buy.

Growth of $10,000.00
Without Dividends Reinvested
Start date: 12/05/2025
End date: 05/15/2026
Start price/share: $1.43
End price/share: $0.98
Dividends collected/share: $0.00
Total return: -31.47%
Annualized Gain: -71.79%
Starting investment: $10,000.00
Ending investment: $6,853.00
Years: 0.44

Which LAB Insiders Report Buying

This Holdings Channel page has presented insider buying activity, covering Directors, officers (such as CEO, CFO, COO, etc.), and >10% owners (who are required to file form 4's with the SEC). Important institutional owners may not fall under these categories, but instead file their holdings quarterly on the latest form 13F filings. While recent LAB insider buying activity is included, there may also be stock sales over this same period (Also See: SEC filings for sales and other details).

Also See: Funds Holding LAB

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