John L. Brottem

CIK: 0001823381

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)16 (80.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

ALMR

Alamar Biosciences, Inc.

Officer

Outset Medical, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (20 total)

ALMR
Alamar Biosciences, Inc.
Sep 14, 2026
Award(A)
Direct
29K shares-
OM
Outset Medical, Inc.
Aug 17, 2026
Sale(S)
Direct
2.6K shares at avg. $4.39$12K
OM
Outset Medical, Inc.
Jun 26, 2026
Award(A)
Direct
59.8K shares-
OM
Outset Medical, Inc.
May 15, 2026
Sale(S)
Direct
2.6K shares at avg. $3.70$10K
OM
Outset Medical, Inc.
Feb 17, 2026
Sale(S)
Direct
2.8K shares at avg. $3.35$10K
OM
Outset Medical, Inc.
Jan 21, 2026
Sale(S)
Direct
1.2K shares at avg. $5.01$6K
OM
Outset Medical, Inc.
Jan 20, 2026
Sale(S)
Direct
9.3K shares at avg. $5.12$48K
OM
Outset Medical, Inc.
Jan 7, 2026
Sale(S)
Direct
224 shares at avg. $4.27$956.48
OM
Outset Medical, Inc.
Nov 17, 2025
Sale(S)
Direct
388 shares at avg. $4.60$2K
OM
Outset Medical, Inc.
Aug 15, 2025
Sale(S)
Direct
383 shares at avg. $12.88$5K
OM
Outset Medical, Inc.
Jun 10, 2025
Award(A)
Direct
36K shares-
OM
Outset Medical, Inc.
May 15, 2025
Sale(S)
Direct
396 shares at avg. $17.82$7K
OM
Outset Medical, Inc.
Feb 18, 2025
Sale(S)
Direct
6.1K shares at avg. $0.90$6K
OM
Outset Medical, Inc.
Jan 21, 2025
Sale(S)
Direct
2.7K shares at avg. $0.80$2K
OM
Outset Medical, Inc.
Jan 21, 2025
Sale(S)
Direct
29.5K shares at avg. $0.80$24K
OM
Outset Medical, Inc.
Jan 21, 2025
Sale(S)
Direct
777 shares at avg. $0.80$621.6
OM
Outset Medical, Inc.
Jan 17, 2025
Award(A)
Direct
9.1K shares-
OM
Outset Medical, Inc.
Jan 13, 2025
Sale(S)
Direct
20.5K shares at avg. $0.81$17K
OM
Outset Medical, Inc.
Jan 7, 2025
Sale(S)
Direct
1.6K shares at avg. $1.29$2K
OM
Outset Medical, Inc.
Nov 15, 2024
Sale(S)
Direct
3.2K shares at avg. $0.80$3K

		Type	Shares	Price		Ownership
Sep 14, 2026	ALMR Alamar Biosciences, Inc.	Award(A)	29,000	-	$0	Direct
Aug 17, 2026	OM Outset Medical, Inc.	Sale(S)	2,632	$4.39	$11,554	Direct
Jun 26, 2026	OM Outset Medical, Inc.	Award(A)	59,830	-	$0	Direct
May 15, 2026	OM Outset Medical, Inc.	Sale(S)	2,638	$3.70	$9,761	Direct
Feb 17, 2026	OM Outset Medical, Inc.	Sale(S)	2,842	$3.35	$9,521	Direct
Jan 21, 2026	OM Outset Medical, Inc.	Sale(S)	1,180	$5.01	$5,912	Direct
Jan 20, 2026	OM Outset Medical, Inc.	Sale(S)	9,314	$5.12	$47,688	Direct
Jan 7, 2026	OM Outset Medical, Inc.	Sale(S)	224	$4.27	$956	Direct
Nov 17, 2025	OM Outset Medical, Inc.	Sale(S)	388	$4.60	$1,785	Direct
Aug 15, 2025	OM Outset Medical, Inc.	Sale(S)	383	$12.88	$4,933	Direct
Jun 10, 2025	OM Outset Medical, Inc.	Award(A)	35,993	-	-	Direct
May 15, 2025	OM Outset Medical, Inc.	Sale(S)	396	$17.82	$7,057	Direct
Feb 18, 2025	OM Outset Medical, Inc.	Sale(S)	6,145	$0.90	$5,531	Direct
Jan 21, 2025	OM Outset Medical, Inc.	Sale(S)	2,679	$0.80	$2,143	Direct
Jan 21, 2025	OM Outset Medical, Inc.	Sale(S)	29,474	$0.80	$23,579	Direct
Jan 21, 2025	OM Outset Medical, Inc.	Sale(S)	777	$0.80	$622	Direct
Jan 17, 2025	OM Outset Medical, Inc.	Award(A)	9,090	-	$0	Direct
Jan 13, 2025	OM Outset Medical, Inc.	Sale(S)	20,492	$0.81	$16,599	Direct
Jan 7, 2025	OM Outset Medical, Inc.	Sale(S)	1,572	$1.29	$2,028	Direct
Nov 15, 2024	OM Outset Medical, Inc.	Sale(S)	3,203	$0.80	$2,562	Direct

1-20 of 20 transactions

About Brottem John L.

Brottem John L. (SEC CIK 0001823381) files insider reports with the SEC as General Counsel of Alamar Biosciences, Inc. (ALMR) and General Counsel of Outset Medical, Inc. (OM).

Signal8 holds 17 ownership filings by Brottem John L. (1 Form 3, 16 Form 4), filed between Nov 18, 2024 and Sep 16, 2026. Those filings report 20 transactions, from Nov 15, 2024 to Sep 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Brottem John L.'s filings is in FREMONT, CA.

Recent filings by Brottem John L.

Sep 14, 2026: Grant or award of ALMR shares (Form 4, code A).
Aug 17, 2026: Open-market sale of OM shares (Form 4, code S).
Jun 26, 2026: Grant or award of OM shares (Form 4, code A).
May 15, 2026: Open-market sale of OM shares (Form 4, code S).
Feb 17, 2026: Open-market sale of OM shares (Form 4, code S).

Other insiders filing for Alamar Biosciences, Inc. (ALMR)

Qiming Corporate GP VI, Ltd., 10% Owner
RAGUSA ROBERT P, Director
Illumina Innovation Fund II GP, L.L.C., 10% Owner
Chambers Rebecca, Director
Witney Frank, Director
White Timothy Ogden, President

How to read Form 4 transaction codes