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Aktis Oncology, Inc.

For the period ended Jun 30, 2026. Filed Aug 13, 2026.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 13, 2026

AKTS$16.37+3.5%Stored close · as of Nov 9, 2026

What changed in Risk Factors?

Read the current filing

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 15 previous paragraphs and 18 current paragraphs.

11 unchanged; 2 reworded; 5 added; 2 removed; 0 previous and 0 current paragraphs rearranged.

Tables are not compared: 0 previous and 1 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

The current filing states there were no material changes to risk factors.

This is the filer’s own statement, not a conclusion from the comparison. Read its qualifications and the report it references.

Current filing’s statement

There have been no material changes to the risk factors set forth in Part I, Item 1A of our Annual Report filed with the SEC on March 30, 2026.
Added paragraphs (5)

Current report

Set forth below is information regarding shares of equity securities sold, and options granted, by us during the three months ended June 30, 2026 were not registered under the Securities Act.

Current report

Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.

Current report

(1) This amount represents the maximum total shares that could be sold under the plan.

Current report

(2) On July 7, 2026, Ms. Ron-Bigger terminated her trading plan prior to any shares of common stock being sold pursuant to the trading plan.
Removed paragraphs (2)

Previous report

On January 8, 2026, we issued to certain of our employees and directors options to purchase an aggregate of 1,720,277 shares of our common stock at an exercise price per share equal to $18.00 under our 2026 Equity Incentive Plan, or the 2026 Plan. The offers, sales and issuances of the securities described in this paragraph were deemed to be exempt from registration either under Rule 701 promulgated under the Securities Act, or Rule 701, in that the transactions were under compensatory benefit plans and contracts relating to compensation. The recipients of such securities were our employees, directors or consultants and received the securities under the 2026 Plan, as applicable. Appropriate legends were affixed to the securities issued in these transactions. Each of the recipients of securities in these transactions had adequate access, through employment, business or other relationships, to information about our company. We filed a registration statement on Form S-8 (File No. 333-292679) under the Securities Act on January 12, 2026 to register all of the shares of our common stock subject to outstanding options and all shares of our common stock otherwise issuable pursuant to the 2026 Plan.

Previous report

On January 12, 2026, immediately prior to the closing of our initial public offering, or the IPO, all of our outstanding shares of convertible preferred stock automatically converted into 32,184,389 shares of our common stock and 1,872,829 shares of our Class A common stock. The issuance of such common stock and Class A common stock upon conversion of the convertible preferred stock was exempt from the registration requirements of the Securities Act pursuant to Section 3(a)(9) thereof, involving an exchange of securities exchanged by the issuer with its existing security holders exclusively where no commission or other remuneration is paid or given directly or indirectly for soliciting such exchange.
Reworded paragraphs (2)

Previous wording

On January 8, 2026, the SEC declared effective our registration statement on Form S-1 (File No. 333-292283), as amended, or the Registration Statement, filed in connection with our IPO. Pursuant to the Registration Statement, we registered the offer and sale of 20,297,500 shares of our common stock with a maximum aggregate offering price of approximately $365.4 million. J.P. Morgan Securities LLC, BofA Securities, Inc., Leerink Partners LLC and TD Securities (USA) LLC acted as representatives of the underwriters for the IPO. We received net proceeds of $334.4 million from the sale of 20,297,500 shares of common stock at a price of $18.00 per share, which included 2,647,500 shares of common stock sold pursuant to the underwriters' full exercise of their option to purchase additional shares, after deducting offering costs payable by us of $5.4 million incurred through March 31, 2026. None of the expenses associated with the IPO were paid to directors, officers, persons owning 10% or more of any class of equity securities, or to our affiliates.

Current wording

On January 8, 2026, the SEC declared effective our registration statement on Form S-1 (File No. 333-292283), as amended, or the Registration Statement, filed in connection with our IPO. Pursuant to the Registration Statement, we registered the offer and sale of 20,297,500 shares of our common stock with a maximum aggregate offering price of approximately $365.4 million. J.P. Morgan Securities LLC, BofA Securities, Inc., Leerink Partners LLC and TD Securities (USA) LLC acted as representatives of the underwriters for the IPO. We received net proceeds of $334.4 million from the sale of 20,297,500 shares of common stock at a price of $18.00 per share, which included 2,647,500 shares of common stock sold pursuant to the underwriters' full exercise of their option to purchase additional shares, after deducting underwriting discounts and commissions and offering costs payable by us. None of the expenses associated with the IPO were paid to directors, officers, persons owning 10% or more of any class of equity securities, or to our affiliates.

Previous wording

During the three months ended March 31 2026, none of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act)adopted orterminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Item 408 of Regulation S-K.

Current wording

During the three months ended June 30, 2026, the following directors and/or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” in each case as defined in Item 408 of Regulation S-K.