Oklo Inc. SEC Filings

Oklo Inc. insider William Goodwin has filed a notice to sell Class A shares under Rule 144. The filing covers 5,864 Class A shares to be sold through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $518,517.75 and 156,247,075 Class A shares outstanding. These shares were acquired from the issuer on 11/28/2025 via restricted stock vesting as compensation.

Over the prior three months, William Goodwin reported additional Class A share sales, including 41,387 shares on 09/05/2025 for gross proceeds of $2,900,900.87 and 11,936 shares on 11/19/2025 for gross proceeds of $1,215,541.95. By signing the notice, the seller represents that he is not aware of any material adverse, nonpublic information about Oklo’s current or prospective operations.

Oklo Inc. (OKLO) reported insider equity activity by its Chief Legal & Strategy Officer. On November 18, 2025, the officer acquired 20,686 shares of Class A Common Stock through the vesting and settlement of restricted stock units (RSUs). On November 19, 2025, 11,936 shares were sold at $101.838 per share to cover tax withholding obligations under a "sell to cover" arrangement, described as a non-discretionary transaction.

Following these transactions, the officer directly owned 8,750 shares of Class A Common Stock and 144,798 RSUs remained outstanding as derivative securities. The RSUs relate to a prior grant of 248,227 RSUs made on August 6, 2025, which vests as to one-third of the underlying shares on August 12, 2025 and then in eight substantially equal quarterly installments.

OKLO Inc. (OKLO) has a Form 144 notice indicating a planned sale of 11,936 Class A shares through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $1,215,541.95. These shares were acquired on 11/12/2025 via restricted stock vesting from the issuer as compensation.

The notice states that 156,247,075 Class A shares were outstanding. It also shows that the same seller, William Goodwin, previously sold 41,387 Class A shares on 09/05/2025 for $2,900,900.87 in gross proceeds during the prior three months.

Oklo Inc. filed Amendment No. 1 to a shelf registration statement to offer up to $3,500,000,000 of securities, including common stock, preferred stock, debt securities, warrants, rights, and units. The company may sell these from time to time in one or more offerings, with specific terms, amounts, and prices to be detailed in accompanying prospectus supplements.

Sales may occur through underwriters, dealers, agents, directly to purchasers, or via methods deemed an “at the market offering” under Rule 415(a)(4), after effectiveness. Oklo qualifies as an emerging growth company and notes that investing in its securities involves risks described in the prospectus and incorporated reports. Oklo’s Class A common stock trades on the NYSE under “OKLO,” and the closing price was $111.17 on November 12, 2025.

Oklo Inc. reported third-quarter 2025 results marked by higher spending to advance its advanced fission projects and strong liquidity after capital raises. Net loss was $29.7 million for Q3, driven by operating expenses of $36.3 million (research and development $14.9 million; general and administrative $21.4 million). Interest and dividend income contributed $7.1 million in the quarter.

Liquidity strengthened materially: as of September 30, 2025, cash, cash equivalents, and marketable debt securities totaled $1.18 billion. The company completed an underwritten public offering for net proceeds of $440.1 million and sold shares via its at-the-market program for net proceeds of $526.1 million during the period. Oklo acquired Atomic Alchemy for total consideration of $28.4 million, recording $27.5 million of indefinite‑lived IPR&D and $6.7 million of goodwill. A $25.0 million right‑of‑first‑refusal liability reflects an LOI tied to future power sales capacity. Class A common shares outstanding were 156,247,075 as of November 7, 2025.

The Vanguard Group filed an amended Schedule 13G reporting passive beneficial ownership of Oklo Inc. common stock. Vanguard reports 11,593,468 shares beneficially owned, representing 7.85% of the class as of the stated event date.

The filing details 0 shares with sole voting power and 739,468 shares with shared voting power. It also lists 10,730,641 shares with sole dispositive power and 862,827 shares with shared dispositive power. Vanguard certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.

Oklo Inc. filed a universal shelf registration on Form S-3 to offer and sell up to $3,500,000,000 of securities, including common stock, preferred stock, debt securities, warrants, rights, and units, from time to time. Each sale will be detailed in a prospectus supplement with specific amounts, prices, and terms.

The company may sell through underwriters, dealers, agents, directly to purchasers, or via an “at the market offering” under Rule 415(a)(4). Use of proceeds will be described in the applicable supplement. Oklo is an emerging growth company and its common stock trades on the NYSE under OKLO. The closing price of the common stock was $132.28 on October 28, 2025.

Oklo Inc. (OKLO): Beneficial ownership update. BlackRock, Inc. filed a Schedule 13G reporting beneficial ownership of 8,076,075 Class A shares, representing 5.5% of the class as of 09/30/2025.

BlackRock reports sole voting power over 7,839,797 shares and sole dispositive power over 8,076,075 shares, with no shared voting or dispositive power. The filing states the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control.

Oklo Inc. (OKLO) filed a Form 144 reporting a proposed sale of 300,000 Class A common shares through J.P. Morgan Securities LLC. The filing shows the shares were founder shares originally acquired from the issuer on 12/31/2013. The filing reports an aggregate market value of $34,953,000, lists 147,609,194 shares outstanding, and states an approximate sale date of 09/30/2025 on the NYSE. The filer reports no securities sold in the past three months and includes the standard attestation that the selling person is not aware of undisclosed material adverse information.