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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 · Insider-trading data from SEC EDGAR
Latest filing:

Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.

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

What stands out

  • All 54 of Greef Roderick DE's Form 4 filings are for one company, BIOLIFE SOLUTIONS INC (BLFS).
  • The most recent Form 4 was accepted on Nov 13, 2025 (11 months ago).
  • In the last 12 months: no open-market purchases and 2 sales ($3.6M).
  • The largest open-market sale in the last 12 months was $2.6M of BIOLIFE SOLUTIONS INC (BLFS) on Nov 13, 2025. SEC ↗

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 selling

Net insider flow of $21.8M in net selling, filed between May 29, 2018 – Nov 13, 2025.

Companies Greef Roderick DE files for

#CompanyForm 4 filings
1BLFSBIOLIFE SOLUTIONS INC54

Recent Greef Roderick DE transactions

DateTickerRoleTypeSharesValueFiling
Nov 13, 2025BLFSPresident and CEOSale100.0K$2.6MSEC ↗
Oct 24, 2025BLFSPresident and CEOSale37.8K$1.0MSEC ↗
Jan 9, 2025BLFSPresident and CEOSale46.9K$1.1MSEC ↗
Mar 13, 2024BLFSPresident and CEOSale7.2K$120.3KSEC ↗
Jan 23, 2024BLFSPresident and CEOSale2.6K$44.3KSEC ↗
Jan 25, 2023BLFSDirectorSale3.8K$88.1KSEC ↗
Jan 21, 2023BLFSDirectorPurchase3.8K$88.1KSEC ↗
Dec 1, 2022BLFSCOO & PresidentSale45.4K$939.6KSEC ↗
Nov 24, 2022BLFSCOO & PresidentSale14.0K$303.2KSEC ↗
Nov 19, 2022BLFSCOO & PresidentSale3.0K$68.0KSEC ↗
Nov 16, 2022BLFSCOO & PresidentSale20.0K$477.2KSEC ↗
Oct 12, 2022BLFSCOO & PresidentSale8.6K$194.0KSEC ↗
Oct 5, 2022BLFSCOO & PresidentSale1.2K$27.1KSEC ↗
Apr 20, 2022BLFSCOO & PresidentSale18.5K$325.9KSEC ↗
Apr 12, 2022BLFSCOO & PresidentSale10.7K$233.8KSEC ↗
Jan 12, 2022BLFSCOO & PresidentSale10.8K$332.6KSEC ↗
Dec 31, 2021BLFSCOO & PresidentSale705$27.8KSEC ↗
Nov 19, 2021BLFSCOO & PresidentSale21.0K$1.1MSEC ↗
Oct 28, 2021BLFSChief Financial OfficerSale2.4K$105.8KSEC ↗
Oct 19, 2021BLFSChief Financial OfficerSale1.2K$48.8KSEC ↗
Oct 1, 2021BLFSCFOSale689$29.7KSEC ↗
Aug 20, 2021BLFSCFOSale46.2K$2.1MSEC ↗
Jul 2, 2021BLFSCFOSale685$30.0KSEC ↗
Apr 16, 2021BLFSCFO & COOSale20.9K$720.6KSEC ↗
Apr 6, 2021BLFSCFO & COOSale3.9K$140.8KSEC ↗

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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