James R. Gibson II

CIK: 0001384133

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (40.0%)

Position reduction

Option Exercises (M)1 (20.0%)

Derivative conversions

Awards (A)2 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

PACB

PACIFIC BIOSCIENCES OF CALIFORNIA, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Oct 6, 2026
Exercise(M)
Direct
500K shares at avg. $1.18$590K
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Oct 6, 2026
Sale(S)
Direct
661.8K shares at avg. $3.11$2.1M
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Apr 1, 2026
Sale(S)
Direct
88.2K shares at avg. $1.37$121K
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Feb 27, 2026
Award(A)
Direct
333.8K shares-
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Mar 31, 2025
Award(A)
Direct
1M shares-

		Type	Shares	Price		Ownership
Oct 6, 2026	PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	Exercise(M)	500,000	$1.18	$590,000	Direct
Oct 6, 2026	PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	Sale(S)	661,815	$3.11	$2,056,921	Direct
Apr 1, 2026	PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	Sale(S)	88,185	$1.37	$120,813	Direct
Feb 27, 2026	PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	Award(A)	333,848	-	$0	Direct
Mar 31, 2025	PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.	Award(A)	1,000,000	-	-	Direct

1-5 of 5 transactions

About Gibson James R II

Gibson James R II (SEC CIK 0001384133) files insider reports with the SEC as Officer of PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB).

Signal8 holds 5 ownership filings by Gibson James R II (1 Form 3, 4 Form 4), filed between Apr 2, 2025 and Oct 8, 2026. Those filings report 5 transactions, from Mar 31, 2025 to Oct 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Gibson James R II's filings is in MENLO PARK, CA.

Recent filings by Gibson James R II

Oct 6, 2026: Option exercise of PACB shares (Form 4, code M).
Oct 6, 2026: Open-market sale of PACB shares (Form 4, code S).
Apr 1, 2026: Open-market sale of PACB shares (Form 4, code S).
Feb 27, 2026: Grant or award of PACB shares (Form 4, code A).
Mar 31, 2025: Grant or award of PACB shares (Form 4, code A).

Other insiders filing for PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB)

How to read Form 4 transaction codes