Pacific Biosciences of California, Inc. (PACB) Insider Trading

Over the last 3 months, PACB insiders made 0 open-market buys and 1 sale, a net sale of -$121K (SEC Form 4). Over the last 6 months, 147 institutions increased and 126 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$120.8K
Insider trades by month Buys Sells
Mar
May
Aug
Feb
Mar
Apr
Context3-month price +1.3%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 4, 2026MILLIGAN JOHN FdirectorGrant223,492$1.58
Jun 4, 2026Smith Christopher MdirectorGrant223,492$1.58
Jun 4, 2026Gibson ChristopherdirectorGrant74,497$1.58
Jun 4, 2026ORDONEZ KATHYdirectorGrant223,492$1.58
Jun 4, 2026LIVINGSTON RANDALL SdirectorGrant223,492$1.58
Jun 4, 2026Valantine HannahdirectorGrant223,492$1.58
Jun 4, 2026Ericson William W.directorGrant223,492$1.58
Jun 4, 2026MOHR MARSHALLdirectorGrant223,492$1.58
Apr 10, 2026Gibson ChristopherdirectorGrant57,473—
Apr 10, 2026Gibson ChristopherdirectorGrant77,842$1.52
Apr 3, 2026Gibson James R IIofficer: See RemarksSell88,185$1.37
Mar 5, 2026Gibson ChristopherdirectorGrant73,087$1.52
Mar 5, 2026Gibson ChristopherdirectorGrant53,913—
Mar 4, 2026HENRY CHRISTIAN Oofficer: See RemarksSell12,497$1.51
Mar 4, 2026Van Oene Markofficer: See RemarksSell6,504$1.51
Mar 4, 2026Farmer Micheleofficer: See RemarksSell2,979$1.51
Mar 3, 2026Gibson James R IIofficer: See RemarksGrant667,696$1.68
Mar 3, 2026Farmer Micheleofficer: See RemarksGrant89,835—
Mar 3, 2026Van Oene Markofficer: See RemarksGrant500,000—
Mar 3, 2026HENRY CHRISTIAN Oofficer: See RemarksGrant1,841,621$1.68
Mar 3, 2026Gibson James R IIofficer: See RemarksGrant333,848—
Mar 3, 2026HENRY CHRISTIAN Oofficer: See RemarksGrant920,810—
Mar 3, 2026Farmer Micheleofficer: See RemarksGrant179,670$1.68
Mar 3, 2026Van Oene Markofficer: See RemarksGrant1,000,000$1.68
Feb 19, 2026HENRY CHRISTIAN Oofficer: See RemarksSell331,793$1.58
Feb 19, 2026Farmer Micheleofficer: See RemarksSell35,215$1.58
Feb 19, 2026HENRY CHRISTIAN Oofficer: See RemarksSell140,874$1.63
Feb 19, 2026Van Oene Markofficer: See RemarksSell55,107$1.63
Feb 19, 2026Van Oene Markofficer: See RemarksSell129,790$1.58
Feb 19, 2026Farmer Micheleofficer: See RemarksSell14,952$1.63

Source: PACB SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their PACB positions over the last 6 months (SEC Form 13F).

Increased
147
New positions
80
Reduced
126
Sold out
60
Largest moves
InstitutionActionSharesFiled
ARK INVESTMENT MANAGEMENT LLCIncreased37.3MFeb 11, 2026
ARK INVESTMENT MANAGEMENT LLCReduced36.3MMay 12, 2026
BLACKROCK, INC.Increased25.3MMay 13, 2026
BLACKROCK, INC.Increased23.3MFeb 12, 2026
SOFTBANK GROUP CORP.Unchanged20.5MFeb 17, 2026
SOFTBANK GROUP CORP.Unchanged20.5MMay 15, 2026
VANGUARD GROUP INCIncreased17.0MJan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position12.8MMay 15, 2026
NIKKO ASSET MANAGEMENT AMERICAS, INC.Reduced7.8MFeb 11, 2026
SUMITOMO MITSUI TRUST HOLDINGS, INC.Reduced7.8MJan 23, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased7.1MFeb 9, 2026
SUMITOMO MITSUI TRUST HOLDINGS, INC.Reduced7.0MApr 30, 2026
NIKKO ASSET MANAGEMENT AMERICAS, INC.Reduced7.0MMay 7, 2026
GEODE CAPITAL MANAGEMENT, LLCReduced7.0MMay 15, 2026
STATE STREET CORPIncreased6.1MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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