OM Insider Trading

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Insider Ownership Percentage: 2.40%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $297,113.91

Outset Medical Insider Trading History Chart

Outset Medical Share Price & Price History

^$4.72

▲ +0.41 (9.51%)

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

Days: 30 | 90 | 365

Outset Medical Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/1/2025	Karen Drexler	Director	Sell	1,548	$4.37	$6,764.76	10,650
11/17/2025	John L. Brottem	General Counsel	Sell	388	$4.60	$1,784.80	46,495
11/17/2025	Leslie Trigg	CEO	Sell	916	$4.60	$4,213.60	121,412
11/17/2025	Marc Nash	EVP	Sell	247	$4.60	$1,136.20	48,268
5/15/2025	John L. Brottem	General Counsel	Sell	396	$17.82	$7,056.72	11,273
5/15/2025	Leslie Trigg	CEO	Sell	935	$17.80	$16,643.00	58,129
5/15/2025	Marc Nash	SVP	Sell	252	$17.82	$4,490.64	13,465
5/15/2025	Nabeel Ahmed	CFO	Sell	584	$17.81	$10,401.04	16,096
2/18/2025	John L. Brottem	General Counsel	Sell	409	$13.50	$5,521.50	11,669
2/18/2025	Leslie Trigg	CEO	Sell	974	$13.50	$13,149.00	58,731
2/18/2025	Marc Nash	SVP	Sell	280	$13.50	$3,780.00	13,384
1/21/2025	John L. Brottem	General Counsel	Sell	2,195	$12.00	$26,340.00	12,079
1/21/2025	Leslie Trigg	CEO	Sell	4,349	$12.00	$52,188.00	59,705
1/21/2025	Marc Nash	SVP	Sell	1,548	$12.00	$18,576.00	13,664
1/21/2025	Nabeel Ahmed	CFO	Sell	2,285	$12.00	$27,420.00	17,257
1/13/2025	John L. Brottem	General Counsel	Sell	1,366	$12.15	$16,596.90	13,668
1/13/2025	Leslie Trigg	CEO	Sell	2,215	$12.15	$26,912.25	57,426
1/13/2025	Marc Nash	SVP	Sell	1,000	$12.15	$12,150.00	14,819
1/13/2025	Nabeel Ahmed	CFO	Sell	1,935	$12.15	$23,510.25	18,660
1/7/2025	John L. Brottem	General Counsel	Sell	104	$19.35	$2,012.40	15,034
1/7/2025	Leslie Trigg	CEO	Sell	681	$19.35	$13,177.35	59,641
1/7/2025	Marc Nash	SVP	Sell	48	$19.35	$928.80	15,820
1/7/2025	Nabeel Ahmed	CFO	Sell	122	$19.35	$2,360.70	20,595
11/15/2024	John L. Brottem	General Counsel	Sell	213	$12.00	$2,556.00	15,139
11/15/2024	Leslie Trigg	CEO	Sell	376	$12.00	$4,512.00	60,323
11/15/2024	Marc Nash	SVP	Sell	91	$12.00	$1,092.00	15,868
11/15/2024	Nabeel Ahmed	CFO	Sell	281	$12.00	$3,372.00	20,717
8/15/2024	John L. Brottem	General Counsel	Sell	200	$12.60	$2,520.00	15,353
8/15/2024	Leslie Trigg	CEO	Sell	353	$12.60	$4,447.80	60,699
8/15/2024	Marc Nash	SVP	Sell	86	$12.60	$1,083.60	15,959
8/15/2024	Nabeel Ahmed	CFO	Sell	264	$12.60	$3,326.40	20,999
7/24/2024	Marc Nash	SVP	Sell	48	$60.30	$2,894.40	16,046
6/3/2024	D. Keith Grossman	Director	Sell	2,541	$56.70	$144,074.70	3,187
5/16/2024	John L. Brottem	General Counsel	Sell	198	$52.95	$10,484.10	16,258
5/16/2024	Leslie Trigg	CEO	Sell	349	$52.95	$18,479.55	61,053
5/16/2024	Marc Nash	SVP	Sell	73	$52.95	$3,865.35	16,094
5/16/2024	Nabeel Ahmed	CFO	Sell	261	$52.95	$13,819.95	21,263
5/10/2024	Jean-Olivier Racine	CTO	Sell	553	$49.05	$27,124.65	17,688
3/15/2024	Marc Nash	SVP	Sell	159	$31.95	$5,080.05	16,167
2/15/2024	Jean-Olivier Racine	CTO	Sell	124	$53.55	$6,640.20	18,122
2/15/2024	John L. Brottem	General Counsel	Sell	222	$53.55	$11,888.10	16,336
2/15/2024	Leslie Trigg	CEO	Sell	354	$53.55	$18,956.70	55,539
2/15/2024	Marc Nash	SVP	Sell	41	$53.55	$2,195.55	16,206
2/15/2024	Nabeel Ahmed	CFO	Sell	293	$53.55	$15,690.15	20,839
2/15/2024	Steven S. Williamson	Insider	Sell	166	$53.55	$8,889.30	21,356
1/16/2024	Jean-Olivier Racine	CTO	Sell	48	$64.35	$3,088.80	18,246
1/16/2024	John L. Brottem	General Counsel	Sell	98	$64.35	$6,306.30	16,559
1/16/2024	Leslie Trigg	CEO	Sell	541	$64.35	$34,813.35	55,894
1/16/2024	Marc Nash	SVP	Sell	45	$6,435.00	$289,575.00	16,247
1/16/2024	Nabeel Ahmed	CFO	Sell	115	$64.35	$7,400.25	21,133
1/16/2024	Steven S. Williamson	Insider	Sell	66	$64.35	$4,247.10	21,523
1/8/2024	Jean-Olivier Racine	CTO	Sell	260	$82.35	$21,411.00	4,918
1/8/2024	John L. Brottem	General Counsel	Sell	489	$82.35	$40,269.15	3,253
1/8/2024	Leslie Trigg	CEO	Sell	945	$82.35	$77,820.75	25,939
1/8/2024	Nabeel Ahmed	CFO	Sell	713	$82.35	$58,715.55	5,121
1/8/2024	Steven S. Williamson	Insider	Sell	470	$82.35	$38,704.50	7,062
9/1/2023	Nabeel Ahmed	CFO	Sell	36	$204.15	$7,349.40	5,944
7/19/2023	John L. Brottem	General Counsel	Sell	94	$300.00	$28,200.00	3,929
7/3/2023	Leslie Trigg	CEO	Sell	1,333	$313.50	$417,895.50	27,299
7/3/2023	Nabeel Ahmed	CFO	Sell	66	$325.50	$21,483.00	6,115
6/20/2023	John L. Brottem	General Counsel	Sell	94	$329.55	$30,977.70	3,929
6/1/2023	Leslie Trigg	CEO	Sell	1,333	$316.50	$421,894.50	27,299
6/1/2023	Nabeel Ahmed	CFO	Sell	66	$312.45	$20,621.70	6,181
5/17/2023	John L. Brottem	General Counsel	Sell	182	$301.20	$54,818.40	3,929
5/16/2023	Jean-Olivier Racine	CTO	Sell	49	$298.65	$14,633.85	5,281
5/16/2023	Leslie Trigg	CEO	Sell	197	$298.65	$58,834.05	27,299
5/16/2023	Nabeel Ahmed	CFO	Sell	102	$298.65	$30,462.30	6,247
5/16/2023	Steven S. Williamson	Insider	Sell	45	$298.65	$13,439.25	7,814
5/8/2023	Steven S. Williamson	Insider	Sell	666	$297.45	$198,101.70	7,859
5/3/2023	John L. Brottem	General Counsel	Sell	94	$300.00	$28,200.00	4,106
5/3/2023	Leslie Trigg	CEO	Sell	2,666	$300.00	$799,800.00	27,496
5/3/2023	Nabeel Ahmed	CFO	Sell	66	$300.00	$19,800.00	6,349
3/20/2023	John L. Brottem	General Counsel	Sell	275	$312.30	$85,882.50	4,106
3/1/2023	Leslie Trigg	CEO	Sell	2,000	$337.20	$674,400.00	27,496
3/1/2023	Martin Vazquez	COO	Sell	333	$334.95	$111,538.35	6,874
2/16/2023	Jean-Olivier Racine	CTO	Sell	49	$365.40	$17,904.60	5,236
2/16/2023	John L. Brottem	General Counsel	Sell	90	$365.40	$32,886.00	4,428
2/16/2023	Leslie Trigg	CEO	Sell	201	$365.40	$73,445.40	27,401
2/16/2023	Martin Vazquez	COO	Sell	128	$365.40	$46,771.20	6,833
2/16/2023	Nabeel Ahmed	CFO	Sell	103	$365.40	$37,636.20	6,356
2/16/2023	Stacey L Porter	Insider	Sell	41	$365.40	$14,981.40	4,260
2/2/2023	Martin Vazquez	COO	Sell	1,300	$450.00	$585,000.00	6,962
2/1/2023	Leslie Trigg	CEO	Sell	2,000	$420.90	$841,800.00	27,602
1/27/2023	Jean-Olivier Racine	CTO	Sell	137	$418.80	$57,375.60	5,285
1/27/2023	John L. Brottem	General Counsel	Sell	285	$418.80	$119,358.00	4,518
1/27/2023	Leslie Trigg	CEO	Sell	418	$418.80	$175,058.40	27,602
1/27/2023	Martin Vazquez	COO	Sell	311	$418.80	$130,246.80	6,962
1/27/2023	Nabeel Ahmed	CFO	Sell	329	$418.80	$137,785.20	6,460
1/27/2023	Steven S. Williamson	Insider	Sell	201	$418.80	$84,178.80	8,477
1/3/2023	Leslie Trigg	CEO	Sell	2,000	$378.90	$757,800.00	19,349
1/3/2023	Martin Vazquez	COO	Sell	333	$392.10	$130,569.30	3,286

SEC Filings (Institutional Ownership Changes) for Outset Medical (NASDAQ:OM)

Institutional Buying and Selling by Quarter

Outset Medical Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/17/2025	Alyeska Investment Group L.P.	1,614,582	$22.80M	0.1%	+10.2%	8.896%
11/17/2025	Verition Fund Management LLC	15,796	$0.22M	0.0%	-31.9%	0.087%
11/17/2025	Parkman Healthcare Partners LLC	454,512	$6.42M	0.7%	-17.2%	2.504%
11/17/2025	Millennium Management LLC	421,409	$5.95M	0.0%	+165.8%	2.322%
11/17/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	7,646	$0.11M	0.0%	-21.2%	0.042%
11/17/2025	Citadel Advisors LLC	96,084	$1.36M	0.0%	+372.8%	0.529%
11/17/2025	Bank of America Corp DE	23,051	$0.33M	0.0%	-83.0%	0.127%
11/17/2025	Algert Global LLC	72,931	$1.03M	0.0%	+419.8%	0.402%
11/14/2025	Schonfeld Strategic Advisors LLC	114,800	$1.62M	0.0%	-55.3%	0.633%
11/14/2025	Durable Capital Partners LP	1,023,706	$14.46M	0.1%	-38.2%	5.640%
11/14/2025	Two Sigma Investments LP	146,598	$2.07M	0.0%	+97.9%	0.808%
11/14/2025	Squarepoint Ops LLC	94,966	$1.34M	0.0%	+155.0%	0.523%
11/13/2025	Marshall Wace LLP	419,118	$5.92M	0.0%	-19.6%	2.309%
11/13/2025	UBS Group AG	72,441	$1.02M	0.0%	-9.0%	0.399%
11/13/2025	BNP Paribas Financial Markets	103,766	$1.47M	0.0%	+4,929.9%	0.572%
11/13/2025	Russell Investments Group Ltd.	12,391	$0.18M	0.0%	N/A	0.068%
11/12/2025	Pura Vida Investments LLC	5,000	$71K	0.5%	-98.8%	0.028%
11/12/2025	Dimensional Fund Advisors LP	33,535	$0.47M	0.0%	N/A	0.189%
11/12/2025	Quantbot Technologies LP	2,245	$32K	0.0%	-71.6%	0.013%
11/12/2025	R Squared Ltd	10,308	$0.15M	0.1%	N/A	0.058%
11/7/2025	Vanguard Group Inc.	982,618	$13.88M	0.0%	-0.9%	5.530%
11/7/2025	JPMorgan Chase & Co.	116,306	$1.64M	0.0%	+1,276.1%	0.655%
11/6/2025	Rhumbline Advisers	24,316	$0.34M	0.0%	-6.4%	0.137%
11/3/2025	Federated Hermes Inc.	72,117	$1.02M	0.0%	+44,416.7%	0.406%
10/31/2025	Y Intercept Hong Kong Ltd	54,005	$0.76M	0.0%	N/A	0.304%
10/7/2025	Assenagon Asset Management S.A.	377,033	$5.32M	0.0%	N/A	2.122%
8/27/2025	Squarepoint Ops LLC	37,247	$0.72M	0.0%	+77.4%	0.210%
8/15/2025	Massar Capital Management LP	20,000	$0.38M	0.3%	N/A	0.113%
8/15/2025	BNP Paribas Financial Markets	2,063	$40K	0.0%	+7,013.8%	0.012%
8/15/2025	Birchview Capital LP	34,584	$0.66M	0.7%	+40.7%	0.195%
8/15/2025	Balyasny Asset Management L.P.	143,160	$2.75M	0.0%	N/A	0.806%
8/15/2025	Bank of America Corp DE	135,890	$2.61M	0.0%	+37,130.1%	0.765%
8/14/2025	PDT Partners LLC	14,159	$0.27M	0.0%	N/A	0.080%
8/14/2025	Durable Capital Partners LP	1,657,126	$31.83M	0.2%	-4.8%	9.325%
8/14/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	9,703	$0.19M	0.0%	N/A	0.055%
8/13/2025	Marshall Wace LLP	521,400	$10.02M	0.0%	-19.8%	2.935%
8/13/2025	Walleye Capital LLC	56,101	$1.08M	0.0%	N/A	0.316%
8/13/2025	Invesco Ltd.	12,109	$0.23M	0.0%	N/A	0.068%
8/13/2025	Quantbot Technologies LP	7,893	$0.15M	0.0%	N/A	0.044%
8/13/2025	Pura Vida Investments LLC	429,120	$8.24M	74.2%	+8,482.4%	2.415%
8/13/2025	New York State Common Retirement Fund	5,600	$0.11M	0.0%	N/A	0.032%
8/12/2025	XTX Topco Ltd	11,299	$0.22M	0.0%	N/A	0.064%
8/12/2025	Ameritas Investment Partners Inc.	1,809	$35K	0.0%	N/A	0.010%
8/12/2025	Rhumbline Advisers	25,975	$0.50M	0.0%	N/A	0.146%
8/12/2025	Legal & General Group Plc	1,754	$34K	0.0%	N/A	0.010%
8/12/2025	JPMorgan Chase & Co.	8,452	$0.16M	0.0%	+662.8%	0.048%
8/12/2025	Ensign Peak Advisors Inc	314,522	$6.04M	0.0%	+272.4%	1.770%
8/8/2025	Police & Firemen s Retirement System of New Jersey	4,055	$78K	0.0%	N/A	0.023%
8/8/2025	Geode Capital Management LLC	415,552	$7.98M	0.0%	+955.9%	2.345%
5/21/2025	Acadian Asset Management LLC	89,299	$0.99M	0.0%	-91.1%	2.484%
5/19/2025	Jane Street Group LLC	33,912	$0.38M	0.0%	-68.9%	0.943%
5/16/2025	Woodline Partners LP	1,325,784	$14.66M	0.1%	N/A	36.879%
5/16/2025	Parkman Healthcare Partners LLC	231,099	$2.56M	0.3%	N/A	6.428%
5/16/2025	Alyeska Investment Group L.P.	1,703,083	$18.84M	0.1%	N/A	47.374%
5/15/2025	Birchview Capital LP	24,584	$0.27M	0.2%	-93.3%	0.684%
5/15/2025	Durable Capital Partners LP	1,740,216	$19.25M	0.2%	N/A	48.407%
5/15/2025	GMT Capital Corp	98,108	$1.09M	0.1%	-93.3%	2.729%
5/14/2025	T. Rowe Price Investment Management Inc.	1,603,056	$17.73M	0.0%	N/A	44.591%
5/12/2025	National Bank of Canada FI	17,602	$0.20M	0.0%	-64.8%	0.490%
5/7/2025	TD Asset Management Inc	53,267	$0.59M	0.0%	N/A	1.482%
5/5/2025	C WorldWide Group Holding A S	66,666	$0.74M	0.0%	-93.3%	1.854%
5/2/2025	Massachusetts Financial Services Co. MA	840,248	$9.29M	0.0%	N/A	23.373%
2/17/2025	Squarepoint Ops LLC	156,787	$0.17M	0.0%	N/A	0.292%
2/17/2025	Two Sigma Investments LP	488,602	$0.54M	0.0%	+36.0%	0.910%
2/17/2025	Millennium Management LLC	1,393,250	$1.55M	0.0%	-26.2%	2.595%
2/17/2025	Ensign Peak Advisors Inc	1,291,154	$1.43M	0.0%	-7.0%	2.404%
2/14/2025	Jane Street Group LLC	109,078	$0.12M	0.0%	-35.3%	0.203%
2/14/2025	Public Employees Retirement Association of Colorado	42,164	$47K	0.0%	-65.3%	0.079%
2/14/2025	Birchview Capital LP	368,766	$0.41M	0.3%	+3,587.7%	0.687%
2/14/2025	Two Sigma Securities LLC	42,477	$47K	0.0%	+190.0%	0.079%
2/14/2025	Price T Rowe Associates Inc. MD	39,300	$44K	0.0%	-43.5%	0.073%
2/13/2025	XTX Topco Ltd	45,315	$50K	0.0%	N/A	0.084%
2/13/2025	Renaissance Technologies LLC	686,748	$0.76M	0.0%	+1,167.7%	1.279%
1/14/2025	Assenagon Asset Management S.A.	289,783	$0.32M	0.0%	-27.1%	0.552%
11/15/2024	National Bank of Canada FI	52,407	$35K	0.0%	+79.2%	0.100%
11/15/2024	Jane Street Group LLC	168,656	$0.11M	0.0%	-79.7%	0.321%
11/15/2024	State Street Corp	194,673	$0.13M	0.0%	-7.4%	0.371%
11/15/2024	Jacobs Levy Equity Management Inc.	55,245	$37K	0.0%	-86.1%	0.105%
11/13/2024	FMR LLC	4,773,776	$3.23M	0.0%	-38.0%	9.086%
11/6/2024	Huntington National Bank	63,306	$43K	0.0%	+46.2%	0.122%
11/5/2024	GSA Capital Partners LLP	1,111,612	$0.75M	0.1%	+924.7%	2.134%
10/23/2024	Assenagon Asset Management S.A.	397,619	$0.27M	0.0%	-73.8%	0.763%
10/16/2024	Griffin Asset Management Inc.	42,275	$29K	0.0%	-59.9%	0.082%
9/16/2024	Point72 Asia Singapore Pte. Ltd.	67,152	$0.26M	0.1%	N/A	0.130%
8/19/2024	Point72 Asset Management L.P.	214,900	$0.83M	0.0%	N/A	0.413%
8/15/2024	Millennium Management LLC	1,942,899	$7.48M	0.0%	+58.8%	3.756%
8/15/2024	AQR Capital Management LLC	142,430	$0.55M	0.0%	-25.5%	0.275%
8/15/2024	Point72 Asia Singapore Pte. Ltd.	67,152	$0.26M	0.1%	N/A	0.130%
8/14/2024	Squarepoint Ops LLC	80,300	$0.31M	0.0%	+74.1%	0.155%
8/14/2024	Cubist Systematic Strategies LLC	200,939	$0.77M	0.0%	+228.3%	0.388%
8/14/2024	Marshall Wace LLP	314,187	$1.21M	0.0%	+487.8%	0.607%
8/13/2024	Ensign Peak Advisors Inc	1,401,865	$5.40M	0.0%	-12.6%	2.710%
8/12/2024	Vanguard Personalized Indexing Management LLC	12,649	$49K	0.0%	N/A	0.024%
8/9/2024	Dimensional Fund Advisors LP	142,290	$0.55M	0.0%	-23.2%	0.275%
8/9/2024	Massachusetts Financial Services Co. MA	1,538,859	$5.93M	0.0%	+118.5%	2.975%
8/8/2024	Ground Swell Capital LLC	12,798	$49K	0.0%	N/A	0.025%
8/6/2024	Acadian Asset Management LLC	819,563	$3.15M	0.0%	+5.2%	1.585%
8/6/2024	Los Angeles Capital Management LLC	189,780	$0.73M	0.0%	N/A	0.367%
8/1/2024	Rhumbline Advisers	22,418	$86K	0.0%	-67.6%	0.043%
7/26/2024	Summit Securities Group LLC	27,174	$0.11M	0.0%	N/A	0.053%

Data available starting January 2016

Outset Medical, Inc., a medical technology company, engages in the development of a hemodialysis system for hemodialysis in the United States. The company offers Tablo Hemodialysis System, a compact console with integrated water purification, on-demand dialysate production, and software and connectivity capabilities for dialysis care in acute and home settings; and manufactures, supports, and distributes for Tablo console, Tablo cartridge, and other consumables. It also provides Tablo Data Ecosystem, including TabloHub, a customer-facing portal; MyTablo, a patient-facing portal; and TabloDash, an internal data analytics platform. The company was formerly known as Home Dialysis Plus, Ltd. and changed its name to Outset Medical, Inc. in January 2015. Outset Medical, Inc. was incorporated in 2003 and is headquartered in San Jose, California.

Today's Range

Now: $4.72

$4.16

$4.79

50 Day Range

MA: $10.54

$4.05

$15.81

52 Week Range

Now: $4.72

$4.00

$25.35

Volume

627,131 shs

Average Volume

814,952 shs

Market Capitalization

$85.67 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.03

Who are the company insiders with the largest holdings of Outset Medical?: Outset Medical's top insider investors include:
Leslie Trigg (CEO)
Marc Nash (EVP)
John L Brottem (General Counsel)
Steven S Williamson (Insider)
Nabeel Ahmed (CFO)
Jean-Olivier Racine (CTO)
Marc Nash (SVP)
Karen Drexler (Director)
D Keith Grossman (Director)
Learn More about top insider investors at Outset Medical.
Who are the major institutional investors of Outset Medical?: Outset Medical's top institutional investors include:
Alyeska Investment Group L.P. — 8.90%
Durable Capital Partners LP — 5.64%
Vanguard Group Inc. — 5.53%
Parkman Healthcare Partners LLC — 2.50%
Millennium Management LLC — 2.32%
Marshall Wace LLP — 2.31%
Learn More about top institutional investors of Outset Medical stock.
Which major investors are selling Outset Medical stock?: In the previous quarter, OM stock was sold by these institutional investors:
Durable Capital Partners LP
Pura Vida Investments LLC
Schonfeld Strategic Advisors LLC
Bank of America Corp DE
Marshall Wace LLP
Parkman Healthcare Partners LLC
Vanguard Group Inc.
Verition Fund Management LLC
Within the previous year, company insiders that have sold Outset Medical company stock include:
Leslie Trigg (CEO)
Marc Nash (EVP)
John L Brottem (General Counsel)
Steven S Williamson (Insider)
Nabeel Ahmed (CFO)
Jean-Olivier Racine (CTO)
Learn More investors selling Outset Medical stock.
Which major investors are buying Outset Medical stock?: Within the previous quarter, OM stock was acquired by institutional investors including:
Assenagon Asset Management S.A.
Millennium Management LLC
Alyeska Investment Group L.P.
JPMorgan Chase & Co.
BNP Paribas Financial Markets
Citadel Advisors LLC
Two Sigma Investments LP
Federated Hermes Inc.