Todd Foley - 12 Jan 2026 Form 4 Insider Report for Aktis Oncology, Inc. (AKTS)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
14 Jan 2026, 18:20:21 UTC
Prior SEC filing
08 Jan 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/sTodd Foley

Key filing fact

Todd Foley filed Form 4 for Aktis Oncology, Inc. (AKTS) on 14 Jan 2026.

Key facts

  • This page summarizes Todd Foley's Form 4 filing for Aktis Oncology, Inc. (AKTS).
  • 7 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 14 Jan 2026, 18:20.

Change

  • Previous filing in this sequence was filed on 08 Jan 2026.
  • Current net transaction value: +$4,191,660.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001473930 Primary reporting owner

Foley Todd

Relationship
Director, 10%+ Owner
Address
C/O MPM BIOIMPACT LLC, 399 BOYLSTON STREET, SUITE 1100, BOSTON
Signature
/sTodd Foley
Signature date
14 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AKTS transaction

Common Stock

Conversion of derivative security

Transaction value
Shares
+597,391
Change %
Price
Shares after
597,391
Date
12 Jan 2026
Ownership
See Footnote
Footnotes
F1, F2, F3, F4
AKTS transaction

Common Stock

Conversion of derivative security

Transaction value
Shares
+2,688,270
Change %
+450%
Price
Shares after
3,285,661
Date
12 Jan 2026
Ownership
See Footnote
Footnotes
F2, F3, F5, F6
AKTS transaction

Common Stock

Conversion of derivative security

Transaction value
Shares
+716,872
Change %
+22%
Price
Shares after
4,002,533
Date
12 Jan 2026
Ownership
See Footnote
Footnotes
F2, F3, F7, F8
AKTS transaction

Common Stock

Purchase

Transaction value
$4,191,660
Shares
+232,870
Change %
+5.8%
Price
$18.00
Shares after
4,235,403
Date
12 Jan 2026
Ownership
See Footnote
Footnotes
F3, F9, F10

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AKTS transaction Derivative

Series Seed Redeemable Convertible Preferred Stock

Conversion of derivative security

Transaction value
$0
Shares
-2,272,727
Change %
-100%
Price
$0.000000
Shares after
0
Date
12 Jan 2026
Ownership
See Footnote
Underlying class
Common Stock
Underlying amount
597,391
Exercise price
Footnotes
F1, F2, F3
AKTS transaction Derivative

Series A Redeemable Convertible Preferred Stock

Conversion of derivative security

Transaction value
$0
Shares
-10,227,273
Change %
-100%
Price
$0.000000
Shares after
0
Date
12 Jan 2026
Ownership
See Footnote
Underlying class
Common Stock
Underlying amount
2,688,270
Exercise price
Footnotes
F2, F3, F5
AKTS transaction Derivative

Series B Redeemable Convertible Preferred Stock

Conversion of derivative security

Transaction value
$0
Shares
-2,727,273
Change %
-100%
Price
$0.000000
Shares after
0
Date
12 Jan 2026
Ownership
See Footnote
Underlying class
Common Stock
Underlying amount
716,872
Exercise price
Footnotes
F2, F3, F7
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 10 footnotes

Footnote F1

The shares of common stock were issued upon conversion as follows: 556,810 by MPM BioVentures 2018, L.P. ("BV 2018"), 29,593 by MPM BioVentures 2018 (B), L.P. ("BV 2018(B)") and 10,988 by MPM Asset Management Investors BV2018 LLC ("AM BV2018"). MPM BioVentures 2018 GP LLC and MPM BioVentures 2018 LLC ("BV2018 LLC") are the direct and indirect general partners of BV 2018 and BV 2018(B). BV 2018 LLC is the manager of AM BV2018. The Reporting Person is a managing director of BV 2018 LLC.

Footnote F2

Each share of Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 3.8044-for-1 basis into the number of shares of Common Stock shown in Column 7 without payment of further consideration upon the closing of the initial public offering of the Issuer's Common Stock. The Series Seed Redeemable Convertible Preferred Stock, Series A Redeemable Convertible Preferred Stock and Series B Redeemable Convertible Preferred Stock had no expiration date.

Footnote F3

The Reporting Persons disclaim beneficial ownership of the securities except to the extent of his or its pecuniary interest therein.

Footnote F4

The shares are held as follows: 556,810 by BV 2018, 29,593 by BV 2018(B) and 10,988 by AM BV2018.

Footnote F5

The shares of common stock were issued upon conversion as follows: 2,505,648 by BV 2018, 133,170 by BV 2018(B) and 49,452 by AM BV2018.

Footnote F6

The shares are held as follows: 3,062,458 by BV 2018, 162,763 by BV 2018(B) and 60,440 by AM BV2018.

Footnote F7

The shares of common stock were issued upon conversion as follows: 668,173 by BV 2018, 35,512 by BV 2018(B) and 13,187 by AM BV2018.

Footnote F8

The shares are held as follows: 3,730,631 by BV 2018, 198,275 by BV 2018(B) and 73,627 by AM BV2018.

Footnote F9

The shares were purchased as follows: 219,897 by BV 2018, 8,689 by BV 2018(B) and 4,284 by AM BV2018.

Footnote F10

The shares are held as follows: 3,950,528 by BV 2018, 206,964 by BV 2018(B) and 77,911 by AM BV2018.

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