Transaction · 0002146790-26-000021

Narayanadas Vivek

Narayanadas Vivek, GC, SECY, reported an open-market or private sale at Oklo Inc. involving 2359.000000 shares for an estimated $65179.17. Reported holdings after the transaction were 15810.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SGC, SECY
OKLOOklo Inc.
Trade date
Oct 19, 2026
Filing date
Oct 20, 2026
View on SEC Insider profile
Estimated value-$65.1kShares × reported price
Shares traded2.35k$27.63 per share
Holdings after15.8kDirect
% of reported position traded12.98%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 18,169 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.

OKLO price since this filing

Daily closing prices, with the filing date and available return windows
OKLO · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +39.5%1w ago +18.2%1d ago +2.7%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002146790-26-000021
Class A Common Stock
Transaction date
Oct 19, 2026
Filed Oct 20, 2026, 08:26 PM · 1d delay
Shares
2,359 sh
$27.63 per share
Estimated value
-$65.1k
Computed from shares × price
Holdings after
15,810 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

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

0 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.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • 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

General Counsel & Secretary

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

    Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

  2. F2

    Includes 5,000 shares held in a joint account with the Reporting Person's spouse, previously reported as indirectly owned.

  3. F3

    The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction, effected pursuant to a Rule 10b5-1 trading plan established by the reporting person on April 2, 2026,…

  4. F4

    On March 25, 2026, the Reporting Person was granted 22,000 RSUs, vesting as to 20% of the underlying shares on October 17, 2026 and continuing to vest thereafter in 48 substantially equal monthly ins…

Original filing · 0002146790-26-000021
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