Transaction · 0001628280-26-067084

Lu Timothy K

Lu Timothy K, CEO, reported a transaction classified as withholding at Senti Biosciences Holdings, Inc. involving 157312.000000 shares for an estimated $0.00. Reported holdings after the transaction were 482271.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FCEO
SNTISenti Biosciences Holdings, Inc.
Trade date
Oct 21, 2026
Filing date
Oct 23, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded157k$0.00 per share
Holdings after482kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

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.

SNTI price since this filing

Daily closing prices, with the filing date and available return windows
SNTI · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +0.0%1w ago +0.0%1d ago +0.0%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0001628280-26-067084
Common Stock
Transaction date
Oct 21, 2026
Filed Oct 23, 2026, 08:37 PM · 2d delay
Shares
157,312 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
482,271 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Reduction
Filing-only score

-12 points

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
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

    Represents the number of shares of common stock that have been withheld by the Issuer to satisfy its income tax withholding and remittance obligations in connection with the net settlement of certain…

  2. F2

    The shares are held by Luminen Services, LLC, as trustee of the Luminen Trust, of which the reporting person is the settlor. The reporting person disclaims Section 16 beneficial ownership of the secur…

Original filing · 0001628280-26-067084
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