Transaction · 0001280263-26-000037

Young John Alexander

Young John Alexander, CFO, reported a transaction classified as exercise at AMBARELLA INC involving 400.000000 shares for an estimated $0.00. Reported holdings after the transaction were 24600.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MCFO
AMBAAMBARELLA INC
Trade date
May 26, 2026
Filing date
May 29, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded400$0.00 per share
Holdings after24.6kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

AMBA price since this filing

Daily closing prices, with the filing date and available return windows
AMBA · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -7.4%1w ago +6.2%1d ago +21.3%
Returns since7d -12.0%30d -13.9%90d -1.4%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001280263-26-000037
Non-Qualified Stock Option (right to buy)
Transaction date
May 26, 2026
Filed May 29, 2026, 12:02 AM · 3d delay
Shares
400 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
24,600 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership 10b5-1 Detected
Filing-only score

-20 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CFO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2026.

  2. F2

    25% of the Shares subject to the option vest on March 27, 2018 and 1/48 of the shares vest monthly thereafter.

Original filing · 0001280263-26-000037
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