United States Healthcare Equipment & Supplies

Standard BioTools Inc (LAB)

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Casdin Partners Master Fund, L.P. executed multiple purchase transactions between November 7 and December 4, 2025. These acquisitions involved significant share volumes, reflecting consistent accumulation patterns. The most recent activity occurred on December 4, 2025, highlighting sustained interest from this entity throughout the observed period.
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
3.7
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.7
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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
3.2
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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