PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
NASDAQ · Healthcare · Medical - Devices · US
$1.37
−0.72%0
Insider buys (3m)
1
Insider sells (3m)
-$30.4K
Net value (3m)
+3.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 18, 2026 | Van Oene Mark · officer: See Remarks | Sale | 26,911 | $1.13 |
| Aug 11, 2026 | Van Oene Mark · officer: See Remarks | A-Award | 489,130 | $0.00 |
| Aug 11, 2026 | Van Oene Mark · officer: See Remarks | A-Award | 1,967,888 | $1.15 |
| Jun 4, 2026 | Smith Christopher M · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | Gibson Christopher · director | A-Award | 74,497 | $1.58 |
| Jun 4, 2026 | LIVINGSTON RANDALL S · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | MILLIGAN JOHN F · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | Ericson William W. · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | Valantine Hannah · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | MOHR MARSHALL · director | A-Award | 223,492 | $1.58 |
| Jun 4, 2026 | ORDONEZ KATHY · director | A-Award | 223,492 | $1.58 |
| Apr 10, 2026 | Gibson Christopher · director | A-Award | 57,473 | $0.00 |
| Apr 10, 2026 | Gibson Christopher · director | A-Award | 77,842 | $1.52 |
| Apr 3, 2026 | Gibson James R II · officer: See Remarks | Sale | 88,185 | $1.37 |
| Mar 5, 2026 | Gibson Christopher · director | A-Award | 73,087 | $1.52 |
| Mar 5, 2026 | Gibson Christopher · director | A-Award | 53,913 | $0.00 |
| Mar 4, 2026 | Van Oene Mark · officer: See Remarks | Sale | 6,504 | $1.51 |
| Mar 4, 2026 | HENRY CHRISTIAN O · officer: See Remarks | Sale | 12,497 | $1.51 |
| Mar 4, 2026 | Farmer Michele · officer: See Remarks | Sale | 2,979 | $1.51 |
| Mar 3, 2026 | Van Oene Mark · officer: See Remarks | A-Award | 1,000,000 | $1.68 |
| Mar 3, 2026 | Van Oene Mark · officer: See Remarks | A-Award | 500,000 | $0.00 |
| Mar 3, 2026 | Farmer Michele · officer: See Remarks | A-Award | 89,835 | $0.00 |
| Mar 3, 2026 | HENRY CHRISTIAN O · officer: See Remarks | A-Award | 1,841,621 | $1.68 |
| Mar 3, 2026 | Gibson James R II · officer: See Remarks | A-Award | 667,696 | $1.68 |
| Mar 3, 2026 | Gibson James R II · officer: See Remarks | A-Award | 333,848 | $0.00 |
| Mar 3, 2026 | HENRY CHRISTIAN O · officer: See Remarks | A-Award | 920,810 | $0.00 |
| Mar 3, 2026 | Farmer Michele · officer: See Remarks | A-Award | 179,670 | $1.68 |
| Feb 19, 2026 | HENRY CHRISTIAN O · officer: See Remarks | Sale | 331,793 | $1.58 |
| Feb 19, 2026 | Farmer Michele · officer: See Remarks | Sale | 35,215 | $1.58 |
| Feb 19, 2026 | Van Oene Mark · officer: See Remarks | Sale | 55,107 | $1.63 |
Institutional positioning
13F filings over the trailing two quarters
New 75Increased 131Reduced 151Sold out 29
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ARK INVESTMENT MANAGEMENT LLC | Reduced | 36,273,288 | May 12, 2026 |
| BlackRock, Inc. | Increased | 32,339,550 | Aug 7, 2026 |
| ARK Investment Management LLC | Reduced | 29,781,416 | Aug 14, 2026 |
| BLACKROCK, INC. | Increased | 25,267,429 | May 13, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 20,451,570 | Aug 14, 2026 |
| SOFTBANK GROUP CORP. | Unchanged | 20,451,570 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 13,397,934 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12,777,449 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7,606,518 | Aug 12, 2026 |
| SUMITOMO MITSUI TRUST HOLDINGS, INC. | Reduced | 7,037,987 | Apr 30, 2026 |
| NIKKO ASSET MANAGEMENT AMERICAS, INC. | Reduced | 7,037,987 | May 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 6,975,266 | May 15, 2026 |
| STATE STREET CORP | Increased | 6,121,716 | May 15, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | Reduced | 6,009,715 | Jul 30, 2026 |
| Amova Asset Management Americas, Inc. | Reduced | 6,009,715 | Aug 13, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 18, 2026