United States Healthcare Equipment & Supplies

Standard BioTools Inc. (LAB)

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Standard BioTools Inc. experienced significant insider activity between November 7 and December 4, 2025. Casdin Partners Master Fund, L.P. executed multiple consecutive share purchases during this period, acquiring millions of units. These transactions represent a consistent accumulation pattern by the entity, with the most recent acquisition occurring on December 4, 2025.
Ticker: LAB Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Standard BioTools Inc.. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
0.9
Kim Hanjoon Alex Chief Financial Officer Officer
Transaction date
Sale
Price
0.94
Quantity 1,428 -0.2%
Value US$1,344
2.1
Mackay Sean SVP & Chief Business Officer Officer
Transaction date
Sale
Price
0.94
Quantity 13,217 -1.5%
Value US$12,437
0.9
Egholm Michael President & CEO Executive Director
Transaction date
Sale
Price
0.94
Quantity 5,473 -0.2%
Value US$5,150
2.1
Mackay Sean Officer Officer
Transaction date
Proposed sale
Price
0.94
Quantity 13,217
Value US$12,441
0.9
Kim Hanjoon Alex Officer Officer
Transaction date
Proposed sale
Price
0.94
Quantity 1,428
Value US$1,344
0.9
Egholm Michael Officer; Director Executive Director
Transaction date
Proposed sale
Price
0.94
Quantity 5,473
Value US$5,152
0.9
Kim Hanjoon Alex Chief Financial Officer Officer
Transaction date
Sale
Price
1.00
Quantity 1,355 -0.1%
Value US$1,358
0.9
Egholm Michael President & CEO Executive Director
Transaction date
Sale
Price
1.00
Quantity 5,116 -0.2%
Value US$5,126
2.1
Mackay Sean SVP & Chief Business Officer Officer
Transaction date
Sale
Price
1.00
Quantity 12,536 -1.4%
Value US$12,561
0.9
Egholm Michael Officer; Director Executive Director
Transaction date
Proposed sale
Price
1.00
Quantity 5,116
Value US$5,126
2.1
Mackay Sean Officer Officer
Transaction date
Proposed sale
Price
1.00
Quantity 12,536
Value US$12,560
0.9
Kim Hanjoon Alex Officer Officer
Transaction date
Proposed sale
Price
1.00
Quantity 1,355
Value US$1,358
2.1
Mackay Sean SVP & Chief Business Officer Officer
Transaction date
Sale
Price
1.03
Quantity 12,838 -1.5%
Value US$13,223
0.9
Egholm Michael President & CEO Executive Director
Transaction date
Sale
Price
1.03
Quantity 4,719 -0.2%
Value US$4,861
0.9
Kim Hanjoon Alex Chief Financial Officer Officer
Transaction date
Sale
Price
1.03
Quantity 1,407 -0.2%
Value US$1,449
0.9
Kim Hanjoon Alex Officer Officer
Transaction date
Proposed sale
Price
1.03
Quantity 1,407
Value US$1,451
2.1
Mackay Sean Officer Officer
Transaction date
Proposed sale
Price
1.03
Quantity 12,838
Value US$13,240
0.9
Egholm Michael Officer; Director Executive Director
Transaction date
Proposed sale
Price
1.03
Quantity 4,719
Value US$4,867
3.6
Black Jeffrey G. Former Officer Officer
Transaction date
Proposed sale
Price
2.12
Quantity 57,971
Value US$123,098
Taich Adam Former Officer Officer
Transaction date
Proposed sale
Price
2.00
Quantity 45,851
Value US$91,725
2.3
Roelke Alison Marie Officer Officer
Transaction date
Proposed sale
Price
1.80
Quantity 146
Value US$263
Gutierrez Ruben Officer Officer
Transaction date
Proposed sale
Price
1.89
Quantity 55,918
Value US$105,953
2.3
Roelke Alison Marie Officer Officer
Transaction date
Proposed sale
Price
1.89
Quantity 64,158
Value US$121,567
2.3
Roelke Alison Marie Officer Officer
Transaction date
Proposed sale
Price
2.78
Quantity 2,736
Value US$7,598
Gutierrez Ruben Officer Officer
Transaction date
Proposed sale
Price
2.78
Quantity 2,388
Value US$6,631
Taich Adam Officer Officer
Transaction date
Proposed sale
Price
2.61
Quantity 118,071
Value US$307,728
Taich Adam Officer Officer
Transaction date
Proposed sale
Price
2.62
Quantity 117,368
Value US$307,727
Gutierrez Ruben Officer Officer
Transaction date
Proposed sale
Price
2.59
Quantity 890
Value US$2,302
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-04 2025-12-04 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
66,020 -37.7%
316.64
US$3,255,800 		66,020 -37.7% 316.64 US$3,255,800
2025-12-04 2025-12-03 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
80,912 +17.8%
273.19
US$1,741,514 		80,912 +17.8% 273.19 US$1,741,514
2025-12-04 2025-12-02 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
96,640 -20.3%
231.33
US$2,139,747 		96,640 -20.3% 231.33 US$2,139,747
2025-11-26 2025-11-25 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
7,550,000 +11.8%
1.30
US$9,838,405 		7,550,000 +11.8% 1.30 US$9,838,405
2025-11-26 2025-11-24 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
150,000 +0.2%
1.43
US$214,875 		150,000 +0.2% 1.43 US$214,875
2025-11-20 2025-11-20 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
450,000 +0.7%
1.30
US$586,260 		450,000 +0.7% 1.30 US$586,260
2025-11-20 2025-11-19 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
350,000 +0.6%
1.28
US$448,910 		350,000 +0.6% 1.28 US$448,910
2025-11-20 2025-11-18 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
275,000 +0.4%
1.23
US$339,405 		275,000 +0.4% 1.23 US$339,405
2025-11-17 2025-11-17 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
225,000 +0.4%
1.22
US$275,580 		225,000 +0.4% 1.22 US$275,580
2025-11-17 2025-11-14 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
250,000 +0.4%
1.24
US$309,800 		250,000 +0.4% 1.24 US$309,800
2025-11-17 2025-11-13 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
450,000 +0.7%
1.20
US$541,395 		450,000 +0.7% 1.20 US$541,395
2025-11-12 2025-11-12 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
375,000 +0.6%
1.19
US$445,838 		375,000 +0.6% 1.19 US$445,838
2025-11-12 2025-11-11 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
300,000 +0.5%
1.20
US$358,800 		300,000 +0.5% 1.20 US$358,800
2025-11-12 2025-11-10 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
275,000 +0.5%
1.17
US$321,915 		275,000 +0.5% 1.17 US$321,915
2025-11-12 2025-11-07 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
225,000 +0.4%
1.12
US$252,765 		225,000 +0.4% 1.12 US$252,765
2025-09-11 2025-09-09 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
100,000 +0.2%
1.29
US$128,920 		100,000 +0.2% 1.29 US$128,920
2025-09-05 2025-09-04 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
250,000 +0.4%
1.28
US$319,350 		250,000 +0.4% 1.28 US$319,350
2025-09-05 2025-09-03 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
250,000 +0.4%
1.27
US$316,400 		250,000 +0.4% 1.27 US$316,400
2025-08-26 2025-08-26 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
125,000 +0.2%
1.26
US$157,938 		125,000 +0.2% 1.26 US$157,938
2025-08-26 2025-08-25 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
200,000 +0.3%
1.24
US$248,180 		200,000 +0.3% 1.24 US$248,180
2025-08-26 2025-08-22 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
200,000 +0.3%
1.26
US$252,680 		200,000 +0.3% 1.26 US$252,680
2025-08-15 2025-08-15 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
150,000 +0.3%
1.22
US$183,210 		150,000 +0.3% 1.22 US$183,210
2025-08-15 2025-08-14 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
133,220 +0.2%
1.21
US$161,543 		133,220 +0.2% 1.21 US$161,543
2025-08-15 2025-08-13 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
75,000 +0.1%
1.31
US$98,280 		75,000 +0.1% 1.31 US$98,280
2025-05-28 2025-05-23 S Sale
0.9
Kim Hanjoon Alex

Chief Financial Officer

Officer
1,428 -0.2%
0.94
US$1,344 		1,428 -0.2% 0.94 US$1,344
2025-05-28 2025-05-23 S Sale
2.1
Mackay Sean

SVP & Chief Business Officer

Officer
13,217 -1.5%
0.94
US$12,437 		13,217 -1.5% 0.94 US$12,437
2025-05-28 2025-05-23 S Sale
0.9
Egholm Michael

President & CEO

Executive Director
5,473 -0.2%
0.94
US$5,150 		5,473 -0.2% 0.94 US$5,150
2025-05-23 2025-05-23 PrS Proposed sale
2.1
Mackay Sean

Officer

Officer
13,217
0.94
US$12,441 		13,217 0.94 US$12,441
2025-05-23 2025-05-23 PrS Proposed sale
0.9
Kim Hanjoon Alex

Officer

Officer
1,428
0.94
US$1,344 		1,428 0.94 US$1,344
2025-05-23 2025-05-23 PrS Proposed sale
0.9
Egholm Michael

Officer; Director

Executive Director
5,473
0.94
US$5,152 		5,473 0.94 US$5,152
2025-05-27 2025-05-22 S Sale
0.9
Kim Hanjoon Alex

Chief Financial Officer

Officer
1,355 -0.1%
1.00
US$1,358 		1,355 -0.1% 1.00 US$1,358
2025-05-27 2025-05-22 S Sale
0.9
Egholm Michael

President & CEO

Executive Director
5,116 -0.2%
1.00
US$5,126 		5,116 -0.2% 1.00 US$5,126
2025-05-23 2025-05-22 S Sale
2.1
Mackay Sean

SVP & Chief Business Officer

Officer
12,536 -1.4%
1.00
US$12,561 		12,536 -1.4% 1.00 US$12,561
2025-05-22 2025-05-22 PrS Proposed sale
0.9
Egholm Michael

Officer; Director

Executive Director
5,116
1.00
US$5,126 		5,116 1.00 US$5,126
2025-05-22 2025-05-22 PrS Proposed sale
2.1
Mackay Sean

Officer

Officer
12,536
1.00
US$12,560 		12,536 1.00 US$12,560
2025-05-22 2025-05-22 PrS Proposed sale
0.9
Kim Hanjoon Alex

Officer

Officer
1,355
1.00
US$1,358 		1,355 1.00 US$1,358
2025-05-23 2025-05-21 S Sale
2.1
Mackay Sean

SVP & Chief Business Officer

Officer
12,838 -1.5%
1.03
US$13,223 		12,838 -1.5% 1.03 US$13,223
2025-05-22 2025-05-21 S Sale
0.9
Egholm Michael

President & CEO

Executive Director
4,719 -0.2%
1.03
US$4,861 		4,719 -0.2% 1.03 US$4,861
2025-05-22 2025-05-21 S Sale
0.9
Kim Hanjoon Alex

Chief Financial Officer

Officer
1,407 -0.2%
1.03
US$1,449 		1,407 -0.2% 1.03 US$1,449
2025-05-21 2025-05-21 PrS Proposed sale
0.9
Kim Hanjoon Alex

Officer

Officer
1,407
1.03
US$1,451 		1,407 1.03 US$1,451
2025-05-21 2025-05-21 PrS Proposed sale
2.1
Mackay Sean

Officer

Officer
12,838
1.03
US$13,240 		12,838 1.03 US$13,240
2025-05-21 2025-05-21 PrS Proposed sale
0.9
Egholm Michael

Officer; Director

Executive Director
4,719
1.03
US$4,867 		4,719 1.03 US$4,867
2025-03-04 2025-02-28 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
4,820,959 +8.9%
1.07
US$5,134,321 		4,820,959 +8.9% 1.07 US$5,134,321
2024-11-12 2024-11-12 PrS Proposed sale
3.6
Black Jeffrey G.

Former Officer

Officer
57,971
2.12
US$123,098 		57,971 2.12 US$123,098
2024-09-09 2024-09-09 PrS Proposed sale
Taich Adam

Former Officer

Officer
45,851
2.00
US$91,725 		45,851 2.00 US$91,725
2024-08-29 2024-08-27 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
250,000 +0.5%
2.19
US$546,750 		250,000 +0.5% 2.19 US$546,750
2024-08-26 2024-08-26 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
150,000 +0.3%
2.15
US$322,455 		150,000 +0.3% 2.15 US$322,455
2024-08-26 2024-08-23 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
292,100 +0.5%
2.13
US$620,975 		292,100 +0.5% 2.13 US$620,975
2024-08-26 2024-08-22 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
307,900 +0.6%
1.96
US$602,807 		307,900 +0.6% 1.96 US$602,807
2024-08-21 2024-08-21 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.0%
1.90
US$951,950 		500,000 +1.0% 1.90 US$951,950
2024-08-21 2024-08-20 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.0%
1.87
US$936,700 		500,000 +1.0% 1.87 US$936,700
2024-08-21 2024-08-19 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
250,000 +0.5%
1.85
US$463,225 		250,000 +0.5% 1.85 US$463,225
2024-08-16 2024-08-14 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
1,200,000 +2.4%
1.59
US$1,913,520 		1,200,000 +2.4% 1.59 US$1,913,520
2024-08-13 2024-08-13 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
550,000 +1.1%
1.62
US$890,560 		550,000 +1.1% 1.62 US$890,560
2024-08-13 2024-08-12 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.0%
1.64
US$820,600 		500,000 +1.0% 1.64 US$820,600
2024-08-13 2024-08-09 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
525,408 +1.1%
1.61
US$848,481 		525,408 +1.1% 1.61 US$848,481
2024-08-09 2024-08-08 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
569,562 +1.2%
1.64
US$932,601 		569,562 +1.2% 1.64 US$932,601
2024-08-09 2024-08-07 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.0%
1.57
US$786,200 		500,000 +1.0% 1.57 US$786,200
2024-08-06 2024-08-05 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
200,000 +0.4%
1.58
US$316,780 		200,000 +0.4% 1.58 US$316,780
2024-08-06 2024-08-02 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
1,000,000 +2.1%
1.63
US$1,631,900 		1,000,000 +2.1% 1.63 US$1,631,900
2024-06-24 2024-06-24 PrS Proposed sale
2.3
Roelke Alison Marie

Officer

Officer
146
1.80
US$263 		146 1.80 US$263
2024-06-24 2024-06-24 PrS Proposed sale
Gutierrez Ruben

Officer

Officer
55,918
1.89
US$105,953 		55,918 1.89 US$105,953
2024-06-24 2024-06-24 PrS Proposed sale
2.3
Roelke Alison Marie

Officer

Officer
64,158
1.89
US$121,567 		64,158 1.89 US$121,567
2024-05-28 2024-05-23 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
100,000 +0.2%
2.60
US$260,000 		100,000 +0.2% 2.60 US$260,000
2024-05-22 2024-05-22 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
150,000 +0.3%
2.58
US$387,735 		150,000 +0.3% 2.58 US$387,735
2024-05-22 2024-05-21 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
350,000 +0.8%
2.56
US$895,930 		350,000 +0.8% 2.56 US$895,930
2024-05-22 2024-05-20 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
100,000 +0.2%
2.58
US$258,130 		100,000 +0.2% 2.58 US$258,130
2024-05-17 2024-05-17 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
352,072 +0.8%
2.56
US$902,044 		352,072 +0.8% 2.56 US$902,044
2024-05-17 2024-05-16 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.1%
2.54
US$1,270,950 		500,000 +1.1% 2.54 US$1,270,950
2024-05-17 2024-05-15 B Purchase
3.1
Casdin Partners Master Fund, L.P.
Non-Executive Director Large shareholder
500,000 +1.1%
2.57
US$1,282,550 		500,000 +1.1% 2.57 US$1,282,550
2024-04-04 2024-04-04 PrS Proposed sale
2.3
Roelke Alison Marie

Officer

Officer
2,736
2.78
US$7,598 		2,736 2.78 US$7,598
2024-04-04 2024-04-04 PrS Proposed sale
Gutierrez Ruben

Officer

Officer
2,388
2.78
US$6,631 		2,388 2.78 US$6,631
2024-03-19 2024-03-19 PrS Proposed sale
Taich Adam

Officer

Officer
118,071
2.61
US$307,728 		118,071 2.61 US$307,728
2024-03-18 2024-03-18 PrS Proposed sale
Taich Adam

Officer

Officer
117,368
2.62
US$307,727 		117,368 2.62 US$307,727
2024-03-14 2024-03-14 PrS Proposed sale
Gutierrez Ruben

Officer

Officer
890
2.59
US$2,302 		890 2.59 US$2,302
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