Karen A. Foster (Chief Quality and Operations) sold ~$49K of BioLife Solutions, Inc.
Scheduled in advanceTraded Mar 3, 2026 · Filed Mar 5, 2026
BioLife Solutions's Chief Human Resources Officer sold $4.5K of BioLife Solutions shares. The filing says it was made under a pre-arranged trading plan.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
open market sale
Code S — open-market or private sale
~$4,542
Shares × reported transaction price
5 days after results of Feb 26, 2026, 65 days before results of May 7, 2026
Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results
Footnote references a pre-arranged trading plan (Rule 10b5-1)
Only flagged when a footnote says so; never inferred
| After | Stock | S&P 500 | Difference |
|---|---|---|---|
| 7 days | −7.5% | −1.5% | −6.0% |
| 30 days | −3.0% | −2.0% | −1.0% |
| 90 days | +36.4% | +12.6% | +23.8% |
| 180 days | +80.9% | +13.8% | +67.1% |
Past results only. Not a forecast.
Karen A. Foster (Chief Quality and Operations) sold ~$49K of BioLife Solutions, Inc.
Scheduled in advanceTraded Mar 19 · filed 4 days later
Routine share withholding; mechanical by default.
Traded Mar 19 · filed 4 days later
Routine share withholding; mechanical by default.