BDSX Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 30.10%

Insider Buying (Last 12 Months): $2,611,361.80

Insider Selling (Last 12 Months): $124,097.60

Biodesix Insider Trading History Chart

Biodesix Share Price & Price History

^$8.54

▲ +0.4 (4.91%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

Biodesix Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/10/2025	Chris Vazquez	CAO	Sell	13	$7.62	$99.06	936
11/10/2025	Gary Anthony Pestano	Insider	Sell	23	$7.62	$175.26	7,939
11/10/2025	Kieran O'kane	Insider	Sell	25	$7.62	$190.50	7,362
11/10/2025	Robin Harper Cowie	CFO	Sell	50	$7.62	$381.00	13,147
11/10/2025	Scott Hutton	CEO	Sell	189	$7.62	$1,440.18	37,311
9/19/2025	Jack W. Schuler	Director	Buy	142,045	$7.04	$999,996.80	1,380,745
9/18/2025	Jack W. Schuler	Director	Buy	3,056	$6.17	$18,855.52	1,238,700
9/17/2025	Jack W. Schuler	Director	Buy	15,317	$6.04	$92,514.68	1,235,644
8/29/2025	Jack W. Schuler	Director	Buy	174,418	$8.60	$1,499,994.80	1,220,327
8/13/2025	Chris Vazquez	CAO	Sell	11	$8.40	$92.40	918
8/13/2025	Gary Anthony Pestano	Insider	Sell	22	$8.40	$184.80	7,893
8/13/2025	Kieran O'kane	Insider	Sell	23	$8.40	$193.20	7,003
8/13/2025	Robin Harper Cowie	CFO	Sell	49	$8.40	$411.60	12,539
8/13/2025	Scott Hutton	CEO	Sell	188	$8.40	$1,579.20	36,441
5/12/2025	Chris Vazquez	CAO	Sell	5	$7.20	$36.00	905
5/12/2025	Gary Anthony Pestano	Insider	Sell	11	$7.20	$79.20	7,858
5/12/2025	Robin Harper Cowie	CFO	Sell	24	$7.20	$172.80	12,456
5/12/2025	Scott Hutton	CEO	Sell	94	$7.20	$676.80	36,113
2/11/2025	Chris Vazquez	CAO	Sell	181	$18.40	$3,330.40	881
2/11/2025	Gary Anthony Pestano	Insider	Sell	837	$18.40	$15,400.80	7,800
2/11/2025	Robin Harper Cowie	CFO	Sell	1,233	$18.40	$22,687.20	12,323
2/11/2025	Scott Hutton	CEO	Sell	4,183	$18.40	$76,967.20	35,097
11/20/2024	Jack W. Schuler	Director	Buy	10,000	$23.40	$234,000.00	1,554,746
11/5/2024	John Patience	Chairman	Buy	3,750	$27.60	$103,500.00	107,664
11/5/2024	Matthew Strobeck	Director	Buy	2,000	$28.00	$56,000.00	130,343
8/12/2024	Chris Vazquez	CAO	Sell	2	$31.40	$62.80	559
8/12/2024	Gary Anthony Pestano	Insider	Sell	5	$31.40	$157.00	6,303
8/12/2024	Robin Harper Cowie	CFO	Sell	12	$31.40	$376.80	9,557
8/12/2024	Scott Hutton	CEO	Sell	48	$31.40	$1,507.20	25,918
8/9/2024	Chris Vazquez	CAO	Sell	7	$32.00	$224.00	562
8/9/2024	Gary Anthony Pestano	Insider	Sell	16	$32.00	$512.00	6,309
8/9/2024	Robin Harper Cowie	CFO	Sell	36	$32.00	$1,152.00	9,570
8/9/2024	Scott Hutton	CEO	Sell	139	$32.00	$4,448.00	25,966
5/9/2024	Chris Vazquez	CAO	Sell	12	$29.60	$355.20	495
5/9/2024	Gary Anthony Pestano	Insider	Sell	21	$29.60	$621.60	6,212
5/9/2024	Robin Harper Cowie	CFO	Sell	49	$29.60	$1,450.40	8,584
5/9/2024	Scott Hutton	CEO	Sell	188	$29.60	$5,564.80	24,189
2/12/2024	Chris Vazquez	CAO	Sell	46	$33.20	$1,527.20	477
2/12/2024	Gary Anthony Pestano	Insider	Sell	251	$33.20	$8,333.20	6,162
2/12/2024	Robin Harper Cowie	CFO	Sell	434	$33.20	$14,408.80	8,470
2/12/2024	Scott Hutton	CEO	Sell	1,485	$33.20	$49,302.00	23,250
2/9/2024	Chris Vazquez	CAO	Sell	53	$38.40	$2,035.20	523
2/9/2024	Gary Anthony Pestano	Insider	Sell	293	$38.40	$11,251.20	6,413
2/9/2024	Robin Harper Cowie	CFO	Sell	507	$38.40	$19,468.80	8,905
2/9/2024	Scott Hutton	CEO	Sell	1,734	$38.40	$66,585.60	24,735
11/9/2023	Chris Vazquez	CAO	Sell	5	$25.40	$127.00	317
11/9/2023	Gary Anthony Pestano	Insider	Sell	10	$25.40	$254.00	5,235
11/9/2023	Robin Harper Cowie	CFO	Sell	24	$25.40	$609.60	6,853
11/9/2023	Scott Hutton	CEO	Sell	94	$25.40	$2,387.60	16,565
8/23/2023	Jack W. Schuler	Director	Buy	4,375	$34.20	$149,625.00	1,535,386
8/21/2023	Jack W. Schuler	Director	Buy	1,627	$32.80	$53,365.60	1,530,595
8/9/2023	Chris Vazquez	CAO	Sell	14	$27.80	$389.20	307
8/9/2023	Gary Anthony Pestano	Insider	Sell	39	$27.80	$1,084.20	5,217
8/9/2023	Robin Harper Cowie	CFO	Sell	89	$27.80	$2,474.20	6,666
8/9/2023	Scott Hutton	CEO	Sell	344	$27.80	$9,563.20	16,245
5/30/2023	Jack W. Schuler	Director	Buy	592	$27.20	$16,102.40	1,028,753
5/25/2023	Jack W. Schuler	Director	Buy	2,625	$27.20	$71,400.00	1,028,160
5/23/2023	Jack W. Schuler	Director	Buy	2,839	$23.00	$65,297.00	1,023,769
5/9/2023	Kieran O'kane	Insider	Sell	61	$31.40	$1,915.40	1,861
5/9/2023	Robin Harper Cowie	CFO	Sell	125	$31.40	$3,925.00	5,916
5/9/2023	Ryan H Siurek	CAO	Sell	72	$31.40	$2,260.80	2,041
5/9/2023	Scott Hutton	CEO	Sell	496	$31.40	$15,574.40	12,228
2/9/2023	Gary Anthony Pestano	Insider	Sell	92	$36.00	$3,312.00	4,796
2/9/2023	Robin Harper Cowie	CFO	Sell	211	$36.00	$7,596.00	4,963
2/9/2023	Ryan H Siurek	CAO	Sell	100	$36.00	$3,600.00	1,358
2/9/2023	Scott Hutton	CEO	Sell	813	$36.00	$29,268.00	9,986
1/31/2023	Jack W. Schuler	Director	Buy	500	$48.20	$24,100.00	1,019,459
1/27/2023	Jack W. Schuler	Director	Buy	2,500	$50.20	$125,500.00	1,018,959
12/14/2022	Jack W. Schuler	Director	Buy	9,483	$33.00	$312,939.00	1,015,459
12/12/2022	Jack W. Schuler	Director	Buy	5,000	$29.60	$148,000.00	1,002,605

SEC Filings (Institutional Ownership Changes) for Biodesix (NASDAQ:BDSX)

20.96% of Biodesix stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Biodesix Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
12/2/2025	Allworth Financial LP	4,965	$37K	0.0%	-95.0%	0.062%
11/19/2025	Oracle Investment Management Inc.	15,000	$0.11M	0.1%	N/A	0.189%
11/17/2025	Millennium Management LLC	14,944	$0.11M	0.0%	N/A	0.188%
11/17/2025	Cannell & Spears LLC	10,279	$78K	0.0%	-95.0%	0.129%
11/14/2025	Shay Capital LLC	14,005	$0.11M	0.0%	-93.9%	0.176%
11/12/2025	Monashee Investment Management LLC	99,996	$0.76M	0.4%	-95.0%	1.256%
11/10/2025	Telemark Asset Management LLC	414,124	$3.13M	0.3%	-95.0%	5.203%
11/7/2025	GSA Capital Partners LLP	48,342	$0.37M	0.0%	-94.8%	0.607%
11/7/2025	Vanguard Group Inc.	181,904	$1.37M	0.0%	-95.2%	2.285%
10/31/2025	Perkins Capital Management Inc.	52,633	$0.40M	0.3%	-95.0%	0.718%
8/15/2025	Shay Capital LLC	231,002	$65K	0.0%	-13.6%	0.158%
8/12/2025	XTX Topco Ltd	205,647	$58K	0.0%	+99.4%	0.140%
8/8/2025	Geode Capital Management LLC	750,877	$0.21M	0.0%	-10.7%	0.512%
5/15/2025	Birchview Capital LP	5,736,113	$3.59M	3.1%	+2.8%	3.917%
5/14/2025	Monashee Investment Management LLC	4,050,000	$2.53M	0.3%	+15.7%	2.766%
5/9/2025	Blair William & Co. IL	124,100	$78K	0.0%	+33.3%	0.085%
5/8/2025	XTX Topco Ltd	103,153	$64K	0.0%	N/A	0.070%
5/6/2025	AIGH Capital Management LLC	4,272,591	$2.67M	1.1%	-30.9%	2.918%
5/5/2025	AMH Equity Ltd	47,773	$30K	0.0%	-92.7%	0.033%
2/17/2025	Shay Capital LLC	281,561	$0.43M	0.1%	N/A	0.194%
2/17/2025	OMERS ADMINISTRATION Corp	100,943	$0.15M	0.0%	N/A	0.069%
2/17/2025	Millennium Management LLC	198,671	$0.30M	0.0%	+20.2%	0.137%
2/17/2025	Farallon Capital Management LLC	3,811,426	$5.83M	0.0%	-17.8%	2.620%
2/17/2025	Cubist Systematic Strategies LLC	51,024	$78K	0.0%	+385.9%	0.035%
2/17/2025	Bridgeway Capital Management LLC	394,311	$0.60M	0.0%	+38.6%	0.271%
2/17/2025	Balyasny Asset Management L.P.	19,172	$29K	0.0%	N/A	0.013%
2/17/2025	683 Capital Management LLC	257,765	$0.39M	0.0%	N/A	0.177%
2/14/2025	Jane Street Group LLC	77,840	$0.12M	0.0%	N/A	0.054%
2/14/2025	Northern Trust Corp	169,132	$0.26M	0.0%	+286.5%	0.116%
2/14/2025	Birchview Capital LP	5,581,176	$8.54M	6.9%	+0.7%	3.837%
2/14/2025	Boothbay Fund Management LLC	34,112	$52K	0.0%	N/A	0.023%
2/14/2025	Silverarc Capital Management LLC	4,332,281	$6.63M	1.4%	+21.7%	2.978%
2/14/2025	Susquehanna International Group LLP	1,115,748	$1.71M	0.0%	+769.8%	0.767%
2/14/2025	MYDA Advisors LLC	50,000	$76K	0.0%	N/A	0.034%
2/13/2025	Barclays PLC	112,254	$0.17M	0.0%	+387.3%	0.077%
2/13/2025	Renaissance Technologies LLC	360,200	$0.55M	0.0%	+775.2%	0.248%
2/13/2025	Samjo Management LLC	2,477,400	$3.79M	1.4%	N/A	1.703%
2/13/2025	Wells Fargo & Company MN	836,421	$1.28M	0.0%	-9.5%	0.575%
2/12/2025	Geode Capital Management LLC	827,199	$1.27M	0.0%	+2.8%	0.569%
2/12/2025	AIGH Capital Management LLC	6,179,812	$9.46M	3.0%	+8.8%	4.248%
2/11/2025	Perkins Capital Management Inc.	1,060,211	$1.62M	1.4%	+46.3%	0.729%
2/7/2025	HighTower Advisors LLC	153,934	$0.24M	0.0%	+17.1%	0.106%
2/5/2025	AMH Equity Ltd	651,868	$1M	1.0%	-6.4%	0.448%
1/28/2025	Stephens Inc. AR	197,917	$0.30M	0.0%	N/A	0.136%
11/25/2024	Wilmington Savings Fund Society FSB	6,095,034	$10.85M	0.2%	N/A	4.190%
11/19/2024	Barclays PLC	23,036	$41K	0.0%	+1,140.5%	0.016%
11/16/2024	Geode Capital Management LLC	804,576	$1.43M	0.0%	+50.7%	0.553%
11/15/2024	Barclays PLC	23,036	$41K	0.0%	+1,140.5%	0.016%
11/14/2024	Sio Capital Management LLC	4,338,514	$7.72M	3.1%	-0.2%	2.982%
11/9/2024	Landscape Capital Management L.L.C.	146,941	$0.26M	0.0%	N/A	0.101%
10/31/2024	Perkins Capital Management Inc.	724,782	$1.29M	1.2%	+74.7%	0.499%
8/16/2024	Perceptive Advisors LLC	2,173,880	$3.33M	0.1%	N/A	1.896%
8/15/2024	CVI Holdings LLC	38,535	$59K	0.1%	N/A	0.034%
8/14/2024	Farallon Capital Management LLC	1,878,175	$2.87M	0.0%	N/A	1.638%
8/7/2024	AIGH Capital Management LLC	5,779,812	$8.84M	2.7%	+74.0%	5.040%
5/29/2024	Opaleye Management Inc.	534,657	$0.77M	0.2%	+7.7%	0.466%
5/15/2024	Oracle Investment Management Inc.	30,351	$43K	0.0%	-50.2%	0.026%
5/3/2024	Essex Investment Management Co. LLC	925,614	$1.32M	0.3%	+1.4%	0.807%
2/15/2024	Opaleye Management Inc.	496,500	$0.91M	0.2%	+9.0%	0.549%
2/14/2024	Oracle Investment Management Inc.	60,939	$0.11M	0.1%	+44.8%	0.067%
2/12/2024	AIGH Capital Management LLC	4,658,946	$8.57M	3.4%	-5.0%	5.149%
2/9/2024	Worth Venture Partners LLC	1,141,794	$2.10M	1.1%	-5.0%	1.262%
2/8/2024	Essex Investment Management Co. LLC	912,945	$1.68M	0.3%	-10.2%	1.009%
11/15/2023	Worth Venture Partners LLC	1,202,367	$1.98M	1.2%	-4.8%	1.329%
11/14/2023	Oracle Investment Management Inc.	42,076	$69K	0.0%	N/A	0.047%
11/13/2023	AIGH Capital Management LLC	4,906,698	$8.10M	3.8%	-3.1%	5.423%
11/9/2023	Essex Investment Management Co. LLC	1,016,313	$1.68M	0.3%	-1.5%	1.293%
10/12/2023	Legato Capital Management LLC	334,310	$0.55M	0.1%	-5.6%	0.425%
5/25/2023	Legato Capital Management LLC	205,052	$0.38M	0.1%	+541.7%	0.261%
5/15/2023	AIGH Capital Management LLC	5,544,531	$10.31M	3.8%	-9.0%	7.110%
5/4/2023	Essex Investment Management Co. LLC	785,652	$1.46M	0.2%	+107.8%	1.008%
2/16/2023	AIGH Capital Management LLC	6,093,475	$14.02M	4.6%	N/A	14.477%
2/15/2023	Endurant Capital Management LP	124,430	$0.29M	0.1%	-4.4%	0.296%
2/13/2023	CIBC Private Wealth Group LLC	13,100	$30K	0.0%	N/A	0.031%
2/10/2023	Blair William & Co. IL	19,800	$46K	0.0%	N/A	0.047%
2/9/2023	HighTower Advisors LLC	136,434	$0.31M	0.0%	N/A	0.324%
2/3/2023	Birchview Capital LP	5,039,633	$11.59M	8.2%	+112.6%	11.973%
2/1/2023	Legato Capital Management LLC	31,956	$73K	0.0%	N/A	0.076%
11/28/2022	Birchview Capital LP	2,370,071	$3.01M	2.1%	+30.8%	5.631%
11/15/2022	Essex Investment Management Co. LLC	378,023	$0.48M	0.1%	N/A	0.898%
7/13/2022	Allworth Financial LP	55,853	$92K	0.0%	N/A	0.140%
5/17/2022	Endurant Capital Management LP	130,753	$0.22M	0.1%	N/A	0.329%
2/14/2022	PDT Partners LLC	17,200	$91K	0.0%	-26.4%	0.064%
2/14/2022	Parian Global Management LP	396,228	$2.10M	1.7%	-23.3%	1.466%
1/20/2022	Chicago Capital LLC	26,965	$0.14M	0.0%	N/A	0.100%
11/15/2021	Oracle Investment Management Inc.	180,833	$1.49M	0.2%	-23.2%	0.670%
11/12/2021	Trexquant Investment LP	18,857	$0.16M	0.0%	+58.8%	0.070%
11/12/2021	Geode Capital Management LLC	151,023	$1.24M	0.0%	+3.5%	0.560%
11/10/2021	Avidian Wealth Solutions LLC	50,000	$0.41M	0.0%	+56.3%	0.185%
11/9/2021	BlackRock Inc.	571,172	$4.70M	0.0%	-0.4%	2.118%
8/16/2021	Goldman Sachs Group Inc.	15,547	$0.21M	0.0%	+33.1%	0.058%

Data available starting January 2016

Biodesix, Inc. operates as a data-driven diagnostic solutions company in the United States. The company offers blood-based lung tests, including Nodify XL2 and Nodify CDT tests, together marketed as part of Nodify Lung Nodule Risk Assessment testing strategy, to assess the risk of lung cancer and help in identifying the appropriate treatment pathway and help physicians in reclassifying risk of malignancy in patients with suspicious lung nodules. It also provides GeneStrat ddPCR and NGS, and VeriStrat tests, which are used in the diagnosis of lung cancer to measure the presence of mutations in the tumor and the state of the patient's immune system to establish the patient's prognosis and help guide treatment decisions. In addition, the company, through its partnership with Bio-Rad Laboratories, Inc., provides Bio-Rad SARS-CoV-2 ddPCR, a COVID-19 Test under Biodesix WorkSafe testing program; and Platelia SARS-CoV-2 Total Ab test, an antibody test for detecting a B-cell immune response to SARS-CoV-2 that indicate recent or prior infection. Further, it offers diagnostic and clinical research, as well as clinical trial testing services to biopharmaceutical companies; and discovers, develops, and commercializes companion diagnostics. The company was formerly known as Elston Technologies, Inc. and as changed to Biodesix, Inc. in 2006. Biodesix, Inc. was incorporated in 2005 and is headquartered in Louisville, Colorado.

Today's Range

Now: $8.54

$8.03

$8.62

50 Day Range

MA: $7.40

$6.00

$8.60

52 Week Range

Now: $8.54

$3.44

$32.20

Volume

59,733 shs

Average Volume

59,908 shs

Market Capitalization

$67.98 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.62

Who are the company insiders with the largest holdings of Biodesix?: Biodesix's top insider shareholders include:
Jack W Schuler (Director)
Matthew Strobeck (Director)
John Patience (Chairman)
Scott Hutton (CEO)
Robin Harper Cowie (CFO)
Gary Anthony Pestano (Insider)
Kieran O'kane (Insider)
Chris Vazquez (CAO)
Learn More about top insider investors at Biodesix.
Who are the major institutional investors of Biodesix?: Biodesix's top institutional investors include:
Telemark Asset Management LLC — 5.20%
Vanguard Group Inc. — 2.29%
Monashee Investment Management LLC — 1.26%
Perkins Capital Management Inc. — 0.72%
GSA Capital Partners LLP — 0.61%
Oracle Investment Management Inc. — 0.19%
Learn More about top institutional investors of Biodesix stock.
Which major investors are selling Biodesix stock?: Within the last quarter, BDSX stock was sold by these institutional investors:
Telemark Asset Management LLC
Vanguard Group Inc.
Monashee Investment Management LLC
Perkins Capital Management Inc.
GSA Capital Partners LLP
Shay Capital LLC
Cannell & Spears LLC
Allworth Financial LP
During the previous year, company insiders that have sold Biodesix company stock include:
Jack W Schuler (Director)
Matthew Strobeck (Director)
John Patience (Chairman)
Scott Hutton (CEO)
Robin Harper Cowie (CFO)
Learn More investors selling Biodesix stock.
Which major investors are buying Biodesix stock?: In the previous quarter, BDSX stock was purchased by institutional investors including:
Oracle Investment Management Inc.
Millennium Management LLC
Within the last year, these company insiders have bought Biodesix stock:
Jack W Schuler (Director)
Matthew Strobeck (Director)
John Patience (Chairman)
Learn More investors buying Biodesix stock.