Insider Trading March 5, 2026

Pacific Biosciences Accounting Chief Sells Small Block of Shares to Cover Taxes

Michele Farmer disposed of 2,979 PACB shares on March 3, 2026; company reported modest beats for Q4 2025

By Avery Klein PACB
Pacific Biosciences Accounting Chief Sells Small Block of Shares to Cover Taxes
PACB

Michele Farmer, Chief Accounting Officer at Pacific Biosciences of California, sold 2,979 shares on March 3, 2026, to satisfy tax withholding obligations tied to RSU vesting. The trade totaled $4,510 at a weighted average price of $1.514. Separately, Pacific Biosciences reported fourth-quarter 2025 results that beat analyst expectations on both EPS and revenue, though the company remains loss-making on a per-share basis.

Key Points

  • Michele Farmer sold 2,979 shares on March 3, 2026, at a weighted average price of $1.514 - total proceeds $4,510; prices ranged from $1.49 to $1.56.
  • After the sale, Farmer directly owns 305,948 shares; the sale was executed to satisfy tax withholding for vested restricted stock units.
  • Pacific Biosciences reported Q4 2025 results that beat expectations - EPS of -$0.12 versus -$0.15 expected (20% positive surprise) and revenue of $44.6 million versus $42.27 million expected (5.51% surprise).

Michele Farmer, Chief Accounting Officer at Pacific Biosciences of California, Inc. (NASDAQ: PACB), executed a sale of 2,979 shares of the company's common stock on March 3, 2026. The transaction carried a weighted average sale price of $1.514 per share for an aggregate value of $4,510. Reported trade prices ranged between $1.49 and $1.56.

Following the disposition, Farmer retains direct ownership of 305,948 Pacific Biosciences shares. The company reported that the sale was made to satisfy tax withholding obligations arising from the vesting of restricted stock units.


Quarterly results highlighted alongside the insider sale

In an earnings update for the fourth quarter of 2025, Pacific Biosciences posted results that exceeded market expectations. The company reported an earnings per share (EPS) loss of -$0.12, compared with the -$0.15 per share analysts had expected. That EPS print represents a 20% positive surprise relative to consensus.

Revenue for the quarter was $44.6 million, above the forecasted $42.27 million and constituting a 5.51% upside versus estimates. The company characterized the announcement as a notable development for investors.


Context and clarity

The share sale by Farmer was disclosed as a tax-withholding action related to restricted stock unit vesting. The transaction details - number of shares sold, price range, weighted average price, and remaining direct ownership - are presented in the company filing. Separately disclosed financial results for Q4 2025 indicate the company recorded a smaller-than-expected loss per share and revenue above consensus.

No additional motivations or forward-looking statements tied to the insider sale were provided beyond the stated tax withholding purpose. Likewise, the financial release contained the EPS and revenue figures noted above but did not include other performance metrics or guidance in the information furnished here.

Risks

  • The company remains loss-making on a per-share basis despite the quarter's positive surprise - EPS was -$0.12.
  • Details beyond the stated tax-withholding reason for the insider sale are limited in the disclosure, leaving uncertainty about future insider activity.
  • While Q4 2025 results beat expectations, the information provided here does not include forward-looking guidance or additional metrics that could affect near-term investor assessment.

More from Insider Trading

Newmont Executive Sells $164,381 in Stock as Firm Faces Mixed Analyst Views Mar 5, 2026 Peoples Bancorp Director Disposes of $17,935 in Stock; Company Declares Special Dividend Mar 5, 2026 Honest Company's Chief Innovation Officer Sells 73,685 Shares; Stock, Guidance and Analyst Takeaways Noted Mar 5, 2026 Charles River EVP Buys Small Stake as Company Reports Q4 Beat and Announces Divestitures Mar 5, 2026 Quest Diagnostics EVP executes $263k in stock disposals around tax vesting and 10b5-1 plan Mar 5, 2026