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Greef Roderick DE Insider Trading Activity
Every SEC Form 4 transaction reported by Greef Roderick DE, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Is Greef Roderick DE buying or selling?
Greef Roderick DE reported 1 open-market buys ($88.1K) and 53 sells ($21.9M) across 54 Form 4 filings at 1 company — a net selling position of $21.8M.
Source: SEC EDGAR Form 4
Key Statistics (as of Nov 13, 2025)
Total Form 4 filings
54
SEC EDGAR
Companies
1
Buys (1)
$88.1K
Sells (53)
$21.9M
Insider sentiment
Net sellingNet insider flow of $21.8M in net selling, filed between May 29, 2018 – Nov 13, 2025.
Companies Greef Roderick DE files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | BLFSBIOLIFE SOLUTIONS INC | 54 |
Recent Greef Roderick DE transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Nov 13, 2025 | BLFS | President and CEO | Sale | 100.0K | $2.6M |
| Oct 24, 2025 | BLFS | President and CEO | Sale | 37.8K | $1.0M |
| Jan 9, 2025 | BLFS | President and CEO | Sale | 46.9K | $1.1M |
| Mar 13, 2024 | BLFS | President and CEO | Sale | 7.2K | $120.3K |
| Jan 23, 2024 | BLFS | President and CEO | Sale | 2.6K | $44.3K |
| Jan 25, 2023 | BLFS | Director | Sale | 3.8K | $88.1K |
| Jan 21, 2023 | BLFS | Director | Purchase | 3.8K | $88.1K |
| Dec 1, 2022 | BLFS | COO & President | Sale | 45.4K | $939.6K |
| Nov 24, 2022 | BLFS | COO & President | Sale | 14.0K | $303.2K |
| Nov 19, 2022 | BLFS | COO & President | Sale | 3.0K | $68.0K |
| Nov 16, 2022 | BLFS | COO & President | Sale | 20.0K | $477.2K |
| Oct 12, 2022 | BLFS | COO & President | Sale | 8.6K | $194.0K |
| Oct 5, 2022 | BLFS | COO & President | Sale | 1.2K | $27.1K |
| Apr 20, 2022 | BLFS | COO & President | Sale | 18.5K | $325.9K |
| Apr 12, 2022 | BLFS | COO & President | Sale | 10.7K | $233.8K |
| Jan 12, 2022 | BLFS | COO & President | Sale | 10.8K | $332.6K |
| Dec 31, 2021 | BLFS | COO & President | Sale | 705 | $27.8K |
| Nov 19, 2021 | BLFS | COO & President | Sale | 21.0K | $1.1M |
| Oct 28, 2021 | BLFS | Chief Financial Officer | Sale | 2.4K | $105.8K |
| Oct 19, 2021 | BLFS | Chief Financial Officer | Sale | 1.2K | $48.8K |
| Oct 1, 2021 | BLFS | CFO | Sale | 689 | $29.7K |
| Aug 20, 2021 | BLFS | CFO | Sale | 46.2K | $2.1M |
| Jul 2, 2021 | BLFS | CFO | Sale | 685 | $30.0K |
| Apr 16, 2021 | BLFS | CFO & COO | Sale | 20.9K | $720.6K |
| Apr 6, 2021 | BLFS | CFO & COO | Sale | 3.9K | $140.8K |
Showing the 25 most recent filings of 54. Screen every filing.
Greef Roderick DE insider trading FAQ
Is Greef Roderick DE buying or selling?
Across 54 SEC Form 4 filings, Greef Roderick DE reported 1 open-market purchases totaling $88.1K and 53 sales totaling $21.9M — a net selling position of $21.8M.
Which companies does Greef Roderick DE file Form 4s for?
Greef Roderick DE has reported insider transactions at 1 company, most often BIOLIFE SOLUTIONS INC (BLFS).
How far back does Greef Roderick DE's filing history go?
Trabud holds Greef Roderick DE's SEC Form 4 filings from May 29, 2018 – Nov 13, 2025, sourced directly from SEC EDGAR.
Where does Trabud get Greef Roderick DE's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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