MarketPeel
Insider Trading Intelligence
MF

Michele Farmer

PACB
SEE REMARKS · PACIFIC BIOSCIENCES OF CALIFORNIA, INC. · CIK 0001860876
FILING MIX · LIFETIME45%/55%
BUYS
10
SELLS
12
TOTAL VALUE
$324.5K
COMPANIES
1
ACTIVE SINCE
May 2021
HOLDINGS NOW
305,948
AVG SELL PX
$2.86
TRADE KIND
SHOWING 22 / 22
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
12 backtested trades · 8 horizons · 12 pending
Forward-return performance of every backtestable P/S trade by Michele Farmer, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d12+66.67%-5.66%-0.75%-4.91%-6.92%
14d12+91.67%-8.88%-0.51%-8.37%-5.19%
30d12+75.00%-10.89%-1.11%-9.77%-10.39%
60d12+50.00%-12.49%+1.28%-13.78%-6.05%
90d12+75.00%-13.45%+5.46%-19.95%-26.55%
180d12(3 pending)+66.67%-7.97%+9.19%-17.16%-28.13%
1y12(3 pending)+66.67%-17.02%+18.99%-36.01%-60.14%
2y12(6 pending)+100.00%-69.08%+41.64%-110.73%-106.38%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
PACB · 305,948 shares · as of Mar 3, 2026
077,232154,464231,695308,92720222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
FLOW · 10 buys / 12 sellsCOVERAGE · 20 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
2,979$1.51$4.5K305,948Mar 3, 2026Mar 4, 2026View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
89,835308,927Feb 27, 2026Mar 3, 2026View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
179,670179,670Feb 27, 2026Mar 3, 2026View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
14,952$1.63$24.4K219,092Feb 18, 2026Feb 19, 2026View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
35,215$1.58$55.5K234,044Feb 17, 2026Feb 19, 2026View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
5,195$1.00$5.2K269,259May 19, 2025May 21, 2025View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
179,670179,670Mar 19, 2025Mar 21, 2025View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
89,835274,454Mar 19, 2025Mar 21, 2025View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
2,973$1.41$4.2K184,619Mar 3, 2025Mar 5, 2025View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
24,349$1.88$45.7K187,592Feb 18, 2025Feb 19, 2025View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
5,275$2.03$10.7K211,941May 20, 2024May 22, 2024View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
2,968$4.87$14.5K217,216Mar 4, 2024Mar 6, 2024View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
115,384216,548Feb 22, 2024Feb 26, 2024View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
7,562$5.96$45.1K101,164Feb 16, 2024Feb 21, 2024View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
5,165$12.59$65.0K107,577May 18, 2023May 19, 2023View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
3,153$9.49$29.9K112,742Mar 3, 2023Mar 6, 2023View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
52,100115,895Mar 2, 2023Mar 6, 2023View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
SALE
See Remarks
3,573$5.55$19.8K60,354May 18, 2022May 20, 2022View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
44,80044,800Mar 2, 2022Mar 4, 2022View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
22,50062,500Mar 2, 2022Mar 4, 2022View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
40,00040,000May 17, 2021May 19, 2021View →
PACB
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
PURCHASEGRANT
Stock grant
80,00080,000May 17, 2021May 19, 2021View →
Other insiders · PACB
Loading peer insiders…
About this filer
CIK 0001860876
ROLE
See Remarks
PRIMARY
PACB
COMPANIES
1
ACTIVE SINCE
May 2021
MARKETPEEL · /INSIDER/0001860876DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback