Transaction · 0001280263-26-000036

Wang Feng-Ming

Wang Feng-Ming, CEO, reported an open-market or private sale at AMBARELLA INC involving 6065.000000 shares for an estimated $553306.31. Reported holdings after the transaction were 815211.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
AMBAAMBARELLA INC
Trade date
May 26, 2026
Filing date
May 29, 2026
View on SEC Insider profile
Disclosed value-$553kShares × reported price
Shares traded6.06k$91.23 per share
Holdings after815kDirect
% of reported position traded0.74%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 821,276 shares.

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

Non-derivative
Type
Sell
Code S
Identifier
0001280263-26-000036
Ordinary Shares
Transaction date
May 26, 2026
Filed May 29, 2026, 12:02 AM · 3d delay
Shares
6,065 sh
$91.23 per share
Estimated value
-$553k
Computed from shares × price
Holdings after
815,211 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

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

-4 points

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • 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

CEO

Officer YesDirector Yes10% 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 October 8, 2025.

  2. F2

    The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $90.00 to $$90.98 per share. Upon request by the Commission staff, the Issuer,…

  3. F3

    The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $91.00 to $91.98 per share. Upon request by the Commission staff, the Issuer,…

  4. F4

    The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $92.00 to $92.50 per share. Upon request by the Commission staff, the Issuer,…

Original filing · 0001280263-26-000036
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

AMBA