Richard Craig Bealmear - 12 Mar 2026 Form 4 Insider Report for Oklo Inc. (OKLO)

Role
Chief Financial Officer
Signature
/s/ Richard Craig Bealmear
Issuer symbol
OKLO
Transactions as of
12 Mar 2026
Net transactions value
-$4,325,400
Form type
4
Filing time
16 Mar 2026, 17:58:46 UTC
Previous filing
05 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bealmear Richard Craig Chief Financial Officer C/O OKLO INC., 3190 CORONADO DR., SANTA CLARA /s/ Richard Craig Bealmear 16 Mar 2026 0001855623

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OKLO Class A Common Stock Options Exercise +80,000 +27% $59.59* 374,255 12 Mar 2026 Direct F1
transaction OKLO Class A Common Stock Options Exercise +78,652 +21% $59.59* 452,907 12 Mar 2026 Direct F1
transaction OKLO Class A Common Stock Options Exercise +5,191 +1.1% $59.59* 458,098 12 Mar 2026 Direct F1
transaction OKLO Class A Common Stock Sale $4,325,400 -72,090 -16% $60.00 386,008 13 Mar 2026 Direct F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction OKLO Restricted Stock Units Options Exercise -80,000 -100% $0.000000* 0 12 Mar 2026 Class A Common Stock 80,000 Direct F3, F4
transaction OKLO Restricted Stock Units Options Exercise -78,652 -40% $0.000000* 117,977 12 Mar 2026 Class A Common Stock 78,652 Direct F5, F6
transaction OKLO Restricted Stock Units Options Exercise -5,191 -33% $0.000000* 10,383 12 Mar 2026 Class A Common Stock 5,191 Direct F7, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 For more information about the equity of the Issuer held by the Reporting Person, please see the Issuer's most recent definitive proxy statement filed with the Securities and Exchange Commission.
F2 Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of the restricted stock units ("RSUs") listed in Table II. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.
F3 Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.
F4 The RSUs vest in full on November 29, 2025.
F5 Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 12, 2026, 78,652 RSUs were released to the Reporting Person.
F6 The RSUs vest in 12 substantially equal quarterly installments beginning on August 9, 2024.
F7 Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. On March 12, 2026, 5,191 RSUs were released to the Reporting Person.
F8 On December 22, 2025, the Reporting Person was granted 15,574 RSUs, vesting in three substantially equal annual installments beginning on December 31, 2025.