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Who

Braden Michael Leonard

10% owner

Company insider

Files Form 4 as: 10% owner, Outset Medical; 10% owner, Aclaris Therapeutics; 10% owner, Adverum Biotechnologies; 10% owner, Astrotech; 10% owner, AN2 Therapeutics; 10% owner and Other, OnKure Therapeutics; 10% owner, Talis Biomedical; 10% owner and Other, Tectonic Therapeutic.

Every Form 4 they filed

In numbers

Trades disclosed
238
Buys
139
Sells
70
Bought
$32.4M
Sold
$51.2M
Companies
16
Companies where not an officer
16
First trade
28 Apr 2011
Last trade
2 Oct 2026
Last filed
5 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
OM Outset Medical10% owner · Medical Devices · last 2 Oct 20262 buys · 0 sells
ACRS Aclaris Therapeutics10% owner · Biotechnology · last 23 Apr 202619 buys · 1 sell
Adverum Biotechnologies10% owner · last 4 Dec 202519 buys · 4 sells
ASTC Astrotech10% owner · Life-science tools · last 3 Oct 202514 buys · 1 sell
ANTX AN2 Therapeutics10% owner · Biotechnology · last 30 May 20251 buy · 3 sells
OKUR OnKure Therapeutics10% owner, Other · Biotechnology · last 7 Oct 202410 buys · 0 sells
Talis Biomedical10% owner · last 6 Sep 20246 buys · 0 sells
TECX Tectonic Therapeutic10% owner, Other · Biotechnology · last 20 Jun 20242 buys · 0 sells
Cyteir Therapeutics10% owner · last 20 Mar 20242 buys · 0 sells
ELVN Enliven Therapeutics10% owner · Biotechnology · last 4 Jan 20237 buys · 7 sells
RVP Retractable Technologies10% owner · Medical Devices · last 29 Dec 202214 buys · 3 sells
Metacrine10% owner · last 21 Dec 202211 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
3010Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Oct 2026filed 5 Oct 2026OM Outset MedicalMedical DevicesSEC FORM 4 Bought$64K16,575 at $3.88filing
1 Oct 2026filed 5 Oct 2026OM Outset MedicalMedical DevicesSEC FORM 4 Bought$806K228,334 at $3.53filing
15 May 2026filed 18 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$1.6M323,000 at $5.00filing
15 May 2026filed 18 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$1.6M323,000 at $5.00filing
11 May 2026filed 12 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$485K96,900 at $5.00filing
11 May 2026filed 12 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$485K96,900 at $5.00filing
8 May 2026filed 12 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$988K197,600 at $5.00filing
8 May 2026filed 12 May 2026OM Outset MedicalMedical DevicesSEC FORM 4 Code X$988K197,600 at $5.00filing
23 Apr 2026filed 27 Apr 2026ACRS Aclaris TherapeuticsBiotechnologySEC FORM 4 Sold$1.4M300,000 at $4.53filing
23 Apr 2026filed 27 Apr 2026ACRS Aclaris TherapeuticsBiotechnologySEC FORM 4 Sold$1.4M300,000 at $4.53filing
4 Dec 2025filed 5 Dec 2025Adverum BiotechnologiesSEC FORM 4 Sold$2.2M524,560 at $4.19filing
3 Dec 2025filed 3 Dec 2025Adverum BiotechnologiesSEC FORM 4 Sold$930K222,925 at $4.17filing
2 Dec 2025filed 3 Dec 2025Adverum BiotechnologiesSEC FORM 4 Sold$218K51,961 at $4.20filing
1 Dec 2025filed 3 Dec 2025Adverum BiotechnologiesSEC FORM 4 Sold$1.3M300,000 at $4.20filing
3 Oct 2025filed 7 Oct 2025ASTC AstrotechLife-science toolsSEC FORM 4 Sold$1.6M220,410 at $7.13filing
3 Oct 2025filed 7 Oct 2025ASTC AstrotechLife-science toolsSEC FORM 4 Sold$53K9,166 at $5.83filing
30 May 2025filed 30 May 2025ANTX AN2 TherapeuticsBiotechnologySEC FORM 4 Sold$429K425,000 at $1.01filing
30 May 2025filed 30 May 2025ANTX AN2 TherapeuticsBiotechnologySEC FORM 4 Sold$7,2107,000 at $1.03filing
28 May 2025filed 16 Jun 2025ANTX AN2 TherapeuticsBiotechnologySEC FORM 4 Sold$218K200,000 at $1.09filing
28 May 2025filed 30 May 2025ANTX AN2 TherapeuticsBiotechnologySEC FORM 4 Sold$2.3M2,000,000 at $1.16filing

News

Head-To-Head Contrast: Femasys (NASDAQ:FEMY) versus Outset Medical (NASDAQ:OM)OM · dailypolitical.com · 18 Oct 2026

0 headlines in the last 90 days name Braden Michael Leonard; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.

Sectors

Health Care103
Consumer Discretionary61
Not placed45

Buys in green, sells in red, by the company’s sector.

Related people

Renee GaetaChief Financial Officer · Chief Financial Officer at Outset Medical, filing Form 4 there in the last year
John L. BrottemGeneral Counsel · General Counsel at Outset Medical, filing Form 4 there in the last year
Leslie TriggChair and CEO · Chair and CEO at Outset Medical, filing Form 4 there in the last year
Roland Wilhelm KolbeckChief Scientific Officer · Chief Scientific Officer at Aclaris Therapeutics, filing Form 4 there in the last year
Christopher P. MolineauxDirector · Director at Aclaris Therapeutics, filing Form 4 there in the last year
J. Scott GarlandDirector · Also traded ELVN in the last 90 days
Peter McNamaraChief Scientific Officer · Also traded TECX in the last 90 days
Jason A. LeveroneChief Financial Officer · Also traded OKUR in the last 90 days