Insider Ledger

OM insider buying and SEC filings, explained

Outset Medical, Inc. · CIK 1484612

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Electromedical & Electrotherapeutic Apparatus
State of incorporation
DE
Fiscal year end
Dec 31
Former names
Home Dialysis Plus, Ltd.

Insider activity in the last 12 months

Bought
$870K
Insiders who bought
1
Sold (not marked 10b5-1)
$369K
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 1–2, 2026Purchase (code P)Braden Michael Leonard (10% owner) bought 244,909 shares indirectly (by entity) between Oct 1 and Oct 2 at about $3.55 ($870K), reported as a purchase (code P). Holdings by entity up 10% to 2,764,610 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 5, 2026, 7:24 PM ET
Aug 17, 2026SaleLeslie Trigg (CEO and Director) sold 3,437 shares at $4.39 ($15K). Holdings down 2% to 194,597 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 18, 2026
Aug 17, 2026SaleJohn L. Brottem (General Counsel) sold 2,632 shares at $4.39 ($12K). Holdings down 3% to 87,475 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 18, 2026
Aug 17, 2026SaleRenee Gaeta (CFO) sold 4,543 shares at $4.39 ($20K). Holdings down 2% to 180,840 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 18, 2026
Jun 3, 2026SaleRenee Gaeta (CFO) sold 17,672 shares at $4.94 ($87K). Holdings down 13% to 113,753 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 5, 2026
May 15, 2026SaleLeslie Trigg (CEO and Director) sold 3,445 shares at $3.70 ($13K). Holdings down 3% to 98,874 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 19, 2026
May 15, 2026SaleMarc Nash (EVP Operations R&D & Service) sold 1,582 shares at $3.70 ($6K). Holdings down 4% to 38,393 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 19, 2026
May 15, 2026SaleJohn L. Brottem (General Counsel) sold 2,638 shares at $3.70 ($10K). Holdings down 8% to 30,277 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed May 19, 2026
Feb 17, 2026SaleMarc Nash (EVP Operations R&D & Service) sold 1,817 shares at $3.35 ($6K). Holdings down 4% to 39,988 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 19, 2026
Feb 17, 2026SaleJohn L. Brottem (General Counsel) sold 2,842 shares at $3.35 ($10K). Holdings down 8% to 32,935 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 19, 2026
Feb 17, 2026SaleLeslie Trigg (CEO and Director) sold 3,361 shares at $3.35 ($11K). Holdings down 3% to 102,342 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 19, 2026
Jan 20–21, 2026SaleMarc Nash (EVP Operations R&D & Service) sold 6,355 shares between Jan 20 and Jan 21 at about $5.10 ($32K). Holdings down 13% to 41,805 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 21, 2026
Jan 20–21, 2026SaleJohn L. Brottem (General Counsel) sold 10,494 shares between Jan 20 and Jan 21 at about $5.11 ($54K). Holdings down 23% to 35,777 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 21, 2026
Jan 20–21, 2026SaleLeslie Trigg (CEO and Director) sold 13,914 shares between Jan 20 and Jan 21 at about $5.11 ($71K). Holdings down 12% to 105,703 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 21, 2026
Jan 7, 2026SaleMarc Nash (EVP Operations R&D & Service) sold 108 shares at $4.27 ($461). Holdings down <1% to 48,160 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 8, 2026
Jan 7, 2026SaleJohn L. Brottem (General Counsel) sold 224 shares at $4.27 ($956). Holdings down <1% to 46,271 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 8, 2026
Jan 7, 2026SaleLeslie Trigg (CEO and Director) sold 1,795 shares at $4.27 ($8K). Holdings down 1% to 119,617 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jan 8, 2026
Dec 1, 2025SaleKaren Drexler (Director) sold 1,548 shares at $4.37 ($7K). Holdings down 13% to 10,650 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 2, 2025
Nov 17, 2025SaleLeslie Trigg (CEO and Director) sold 916 shares at $4.60 ($4K). Holdings down 1% to 121,412 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 18, 2025
Nov 17, 2025SaleMarc Nash (EVP Operations R&D & Service) sold 247 shares at $4.60 ($1K). Holdings down 1% to 48,268 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 18, 2025
Nov 17, 2025SaleJohn L. Brottem (General Counsel) sold 388 shares at $4.60 ($2K). Holdings down 1% to 46,495 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Nov 18, 2025

13 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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