Insider

Christopher Day Insider Trading Activity

Every SEC Form 4 transaction reported by Christopher Day, 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 Christopher Day buying or selling?

Christopher Day reported 0 open-market buys ($0) and 61 sells ($8.4M) across 61 Form 4 filings at 1 company — a net selling position of $8.4M.

Source: SEC EDGAR Form 4

What stands out

  • All 61 of Christopher Day's Form 4 filings are for one company, AMBARELLA INC (AMBA).
  • The most recent Form 4 was accepted on Jun 20, 2025 (15 months ago).
  • No open-market purchases or sales were reported in the last 12 months.

Key Statistics (as of Jun 20, 2025)

Total Form 4 filings
61
SEC EDGAR
Companies
1
Buys (0)
$0
Sells (61)
$8.4M

Insider sentiment

Net selling

Net insider flow of $8.4M in net selling, filed between Mar 20, 2018 – Jun 20, 2025.

Companies Christopher Day files for

#CompanyForm 4 filings
1AMBAAMBARELLA INC61

Recent Christopher Day transactions

DateTickerRoleTypeSharesValueFiling
Jun 20, 2025AMBAVP, MarketingSale342$17.9KSEC ↗
Mar 20, 2025AMBAVP, MarketingSale479$26.4KSEC ↗
Mar 7, 2025AMBAVP, MarketingSale834$46.0KSEC ↗
Jan 7, 2025AMBAVP, MarketingSale1.2K$97.4KSEC ↗
Dec 20, 2024AMBAVP, MarketingSale929$70.0KSEC ↗
Dec 18, 2024AMBAVP, MarketingSale482$36.3KSEC ↗
Dec 3, 2024AMBAVP, MarketingSale1.3K$91.5KSEC ↗
Oct 4, 2024AMBAVP, MarketingSale2.9K$168.4KSEC ↗
Sep 19, 2024AMBAVP, MarketingSale483$25.9KSEC ↗
Jul 10, 2024AMBAVP, MarketingSale1.4K$86.8KSEC ↗
Jun 20, 2024AMBAVP, MarketingSale487$27.0KSEC ↗
Mar 20, 2024AMBAVP, MarketingSale416$20.5KSEC ↗
Mar 11, 2024AMBAVP, MarketingSale302$17.3KSEC ↗
Sep 20, 2023AMBAVP, MarketingSale351$20.1KSEC ↗
Jul 14, 2023AMBAVP, MarketingSale2.3K$188.5KSEC ↗
Jun 20, 2023AMBAVP, MarketingSale354$30.0KSEC ↗
Jun 14, 2023AMBAVP, MarketingSale3.0K$260.8KSEC ↗
Jun 12, 2023AMBAVP, MarketingSale4.3K$355.6KSEC ↗
Mar 18, 2023AMBAVP, MarketingSale2.4K$186.0KSEC ↗
Mar 10, 2023AMBAVP, MarketingSale358$29.4KSEC ↗
Dec 20, 2022AMBAVP, MarketingSale3.1K$255.6KSEC ↗
Dec 15, 2022AMBAVP, MarketingSale2.3K$211.9KSEC ↗
Sep 20, 2022AMBAVP, MarketingSale670$42.4KSEC ↗
Mar 18, 2022AMBAVP, MarketingSale7.4K$675.3KSEC ↗
Mar 14, 2022AMBAVP, MarketingSale713$60.2KSEC ↗

Showing the 25 most recent filings of 61. Screen every filing.

Christopher Day insider trading FAQ

Is Christopher Day buying or selling?

Across 61 SEC Form 4 filings, Christopher Day reported 0 open-market purchases totaling $0 and 61 sales totaling $8.4M — a net selling position of $8.4M.

Which companies does Christopher Day file Form 4s for?

Christopher Day has reported insider transactions at 1 company, most often AMBARELLA INC (AMBA).

How far back does Christopher Day's filing history go?

Trabud holds Christopher Day's SEC Form 4 filings from Mar 20, 2018 – Jun 20, 2025, sourced directly from SEC EDGAR.

Where does Trabud get Christopher Day'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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