Jami K. Nachtsheim

CIK: 0001223017

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (12.5%)

Position reduction

Option Exercises (M)3 (37.5%)

Derivative conversions

Awards (A)4 (50.0%)

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)

CERS

CERUS CORP

Director

ISRG

INTUITIVE SURGICAL INC

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

CERS
CERUS CORP
Jun 2, 2026
Award(A)
Direct
60K shares-
ISRG
INTUITIVE SURGICAL INC
Apr 30, 2026
Award(A)
Restricted Stock Units - 4-30-2026
Direct
554 shares-
ISRG
INTUITIVE SURGICAL INC
Apr 30, 2026
Exercise(M)
Direct
531 shares-
CERS
CERUS CORP
Jun 3, 2025
Award(A)
Direct
60K shares-
ISRG
INTUITIVE SURGICAL INC
May 1, 2025
Award(A)
Restricted Stock Units
Direct
531 shares-
ISRG
INTUITIVE SURGICAL INC
May 1, 2025
Exercise(M)
Direct
2.4K shares at avg. $90.49$217K
ISRG
INTUITIVE SURGICAL INC
May 1, 2025
Sale(S)
Direct
2.4K shares at avg. $520.00$1.2M
ISRG
INTUITIVE SURGICAL INC
Apr 25, 2025
Exercise(M)
Direct
739 shares-

		Type	Shares	Price		Ownership
Jun 2, 2026	CERS CERUS CORP	Award(A)	60,000	-	$0	Direct
Apr 30, 2026	ISRG INTUITIVE SURGICAL INC	Award(A) Restricted Stock Units - 4-30-2026	554	-	-	Direct
Apr 30, 2026	ISRG INTUITIVE SURGICAL INC	Exercise(M)	531	-	$0	Direct
Jun 3, 2025	CERS CERUS CORP	Award(A)	60,000	-	-	Direct
May 1, 2025	ISRG INTUITIVE SURGICAL INC	Award(A) Restricted Stock Units	531	-	-	Direct
May 1, 2025	ISRG INTUITIVE SURGICAL INC	Exercise(M)	2,400	$90.49	$217,187	Direct
May 1, 2025	ISRG INTUITIVE SURGICAL INC	Sale(S)	2,400	$520.00	$1,248,000	Direct
Apr 25, 2025	ISRG INTUITIVE SURGICAL INC	Exercise(M)	739	-	-	Direct

1-8 of 8 transactions

About NACHTSHEIM JAMI K

NACHTSHEIM JAMI K (SEC CIK 0001223017) files insider reports with the SEC as Director of CERUS CORP (CERS) and Director of INTUITIVE SURGICAL INC (ISRG).

Signal8 holds 5 ownership filings by NACHTSHEIM JAMI K, all Form 4s, filed between Apr 25, 2025 and Jun 2, 2026. Those filings report 8 transactions, from Apr 25, 2025 to Jun 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on NACHTSHEIM JAMI K's filings is in CONCORD, CA.

Recent filings by NACHTSHEIM JAMI K

Jun 2, 2026: Grant or award of CERS shares (Form 4, code A).
Apr 30, 2026: Grant or award of ISRG derivative securities (Form 4, code A).
Apr 30, 2026: Option exercise of ISRG shares (Form 4, code M).
Jun 3, 2025: Grant or award of CERS shares (Form 4, code A).
May 1, 2025: Grant or award of ISRG derivative securities (Form 4, code A).

Other insiders filing for CERUS CORP (CERS)

Jensen Chrystal, Chief Legal Officer
Jayaraman Vivek K, Chief Operating Officer
Green Kevin Dennis, Chief Financial Officer
Greenman William Mariner, President and CEO
BJERKHOLT ERIC, Director
Lucena Ann, Director

How to read Form 4 transaction codes