InsiderChief Accounting Officer

Robert F. Werner Insider Trading Activity

Every SEC Form 4 transaction reported by Robert F. Werner, sourced directly from SEC EDGAR and updated as new filings are accepted.

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 Robert F. Werner buying or selling?

Robert F. Werner reported 0 open-market buys ($0) and 51 sells ($3.0M) across 51 Form 4 filings at 2 companies — a net selling position of $3.0M.

Source: SEC EDGAR Form 4

Key Statistics (as of Oct 5, 2026)

Total Form 4 filings
51
SEC EDGAR
Companies
2
Buys (0)
$0
Sells (51)
$3.0M

Insider sentiment

Net selling

Net insider flow of $3.0M in net selling, filed between Aug 20, 2020 – Oct 5, 2026.

Companies Robert F. Werner files for

#CompanyForm 4 filings
1TWSTTwist Bioscience Corp40
2NVTAInvitae Corp11

Recent Robert F. Werner transactions

DateTickerRoleTypeSharesValueFiling
Oct 5, 2026TWSTChief Accounting OfficerSale1.5K$279.9KSEC ↗
Sep 10, 2026TWSTChief Accounting OfficerSale238$29.2KSEC ↗
Aug 25, 2026TWSTChief Accounting OfficerSale1.5K$213.3KSEC ↗
Aug 5, 2026TWSTChief Accounting OfficerSale167$14.2KSEC ↗
Jun 10, 2026TWSTChief Accounting OfficerSale1.4K$94.0KSEC ↗
May 28, 2026TWSTChief Accounting OfficerSale800$50.0KSEC ↗
May 26, 2026TWSTChief Accounting OfficerSale688$36.6KSEC ↗
May 12, 2026TWSTChief Accounting OfficerSale5.0K$282.2KSEC ↗
May 6, 2026TWSTChief Accounting OfficerSale164$9.4KSEC ↗
Mar 10, 2026TWSTChief Accounting OfficerSale246$11.4KSEC ↗
Feb 25, 2026TWSTChief Accounting OfficerSale1.7K$79.1KSEC ↗
Feb 5, 2026TWSTChief Accounting OfficerSale7.2K$327.7KSEC ↗
Dec 10, 2025TWSTChief Accounting OfficerSale230$7.6KSEC ↗
Nov 25, 2025TWSTChief Accounting OfficerSale1.1K$29.7KSEC ↗
Nov 5, 2025TWSTChief Accounting OfficerSale160$5.1KSEC ↗
Nov 3, 2025TWSTChief Accounting OfficerSale1.0K$31.9KSEC ↗
Oct 8, 2025TWSTChief Accounting OfficerSale2.0K$65.7KSEC ↗
Sep 10, 2025TWSTChief Accounting OfficerSale235$6.1KSEC ↗
Aug 27, 2025TWSTChief Accounting OfficerSale853$23.6KSEC ↗
Aug 25, 2025TWSTChief Accounting OfficerSale238$6.2KSEC ↗
Aug 6, 2025TWSTChief Accounting OfficerSale186$5.3KSEC ↗
Jun 10, 2025TWSTChief Accounting OfficerSale225$7.1KSEC ↗
May 28, 2025TWSTChief Accounting OfficerSale839$23.3KSEC ↗
May 23, 2025TWSTChief Accounting OfficerSale242$7.2KSEC ↗
May 7, 2025TWSTChief Accounting OfficerSale162$6.1KSEC ↗

Showing the 25 most recent filings of 51. Screen every filing.

Robert F. Werner insider trading FAQ

Is Robert F. Werner buying or selling?

Across 51 SEC Form 4 filings, Robert F. Werner reported 0 open-market purchases totaling $0 and 51 sales totaling $3.0M — a net selling position of $3.0M.

Which companies does Robert F. Werner file Form 4s for?

Robert F. Werner has reported insider transactions at 2 companies, most often Twist Bioscience Corp (TWST), Invitae Corp (NVTA).

How far back does Robert F. Werner's filing history go?

Trabud holds Robert F. Werner's SEC Form 4 filings from Aug 20, 2020 – Oct 5, 2026, sourced directly from SEC EDGAR.

Where does Trabud get Robert F. Werner'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.

Related Content

Track Robert F. Werner and every other insider

Screen all SEC Form 4 filings by insider, company, transaction value, and role — or ask Trabud's AI agent in plain English.

Open the screener