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Eli Lilly acquisition sees Centessa (CNTA) shares paid $38 plus CVR

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Centessa Pharmaceuticals plc Chief Technology & Quality Officer Tia L. Bush reported the automatic disposition of her equity in connection with Eli Lilly and Company’s acquisition of all outstanding Centessa ordinary shares. Bush’s 147,954 Ordinary Shares and all reported share options were transferred to the acquirer under a UK scheme of arrangement, leaving her with zero directly held shares and options after the transactions.

At the effective time of the scheme, holders of Ordinary Shares became entitled to receive $38.00 in cash per share, less applicable taxes, plus one non-transferable contingent value right (CVR) for each share. Each CVR provides for potential contingent payments of up to an aggregate of $9.00 per share, subject to specified milestones. The same per-share terms apply to American Depositary Shares, each representing one Ordinary Share. Unvested restricted share units fully vested and, along with share options, were cancelled and converted into the right to receive the cash consideration and one CVR per underlying Ordinary Share.

Positive

  • None.

Negative

  • None.

Insights

Centessa executives’ equity was cashed out into $38 plus CVR as Eli Lilly acquired the company.

The transactions show how Centessa Pharmaceuticals equity awards were treated when Eli Lilly acquired all outstanding ordinary shares via a UK scheme of arrangement. Tia L. Bush’s 147,954 Ordinary Shares and multiple option grants were automatically disposed of to the issuer, reducing her reported direct holdings and derivatives to zero.

Footnotes specify that each Ordinary Share, including shares represented by ADSs, receives $38.00 in cash plus one contingent value right for up to an additional $9.00 per share upon achieving milestones. Unvested RSUs vested at closing, and all RSUs and options were converted into cash based on the cash consideration and their exercise prices, plus one CVR per underlying share.

The filing highlights a typical change-of-control outcome for employees: equity rolled into cash and CVRs rather than ongoing stock exposure. Future investor focus shifts away from Centessa’s standalone performance toward whether the CVR milestones defined in the Transaction Agreement are achieved, which would determine any additional payments.

Insider Bush Tia L
Role Chief Technology & Quality Ofc
Type Security Shares Price Value
Disposition Share Option (right to buy) 360,338 $0.00 --
Disposition Share Option (right to buy) 140,000 $0.00 --
Disposition Share Option (right to buy) 27,187 $0.00 --
Disposition Share Option (right to buy) 145,208 $0.00 --
Disposition Share Option (right to buy) 125,000 $0.00 --
Disposition Share Option (right to buy) 140,000 $0.00 --
Disposition Ordinary Shares 147,954 $0.00 --
Holdings After Transaction: Share Option (right to buy) — 0 shares (Direct, null); Ordinary Shares — 0 shares (Direct, null)
Footnotes (1)
  1. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share. On June 24, 2026, Eli Lilly and Company ("Parent"), through its wholly owned subsidiary LDH XV Corporation ("Purchaser"), acquired all outstanding Ordinary Shares of Centessa Pharmaceuticals plc (the "Company") by means of a scheme of arrangement under Part 26 of the UK Companies Act 2006 (the "Scheme of Arrangement"), pursuant to the Transaction Agreement dated as of March 31, 2026, by and among the Company, Parent and Purchaser (the "Transaction Agreement"). At the effective time of the Scheme of Arrangement (the "Effective Time"), holders of Ordinary Shares became entitled to receive (a) $38.00 in cash per Ordinary Share (the "Cash Consideration"), without interest and less any applicable withholding taxes, and (b) one non-transferable contingent value right (a "CVR") entitling the holders to receive contingent payments of up to an aggregate of $9.00 per Ordinary Share, without interest and less any applicable withholding taxes, contingent upon the achievement of specified milestones set forth in the Contingent Value Rights Agreement between Parent, Purchaser and a rights agent mutually agreeable to the Company and Parent. Because each ADS represents one Ordinary Share, holders of ADSs became entitled to the same per-share consideration of $38.00 in cash plus one CVR per ADS. (continued from footnote 3) The transfer of Ordinary Shares occurred automatically at the Effective Time pursuant to the Scheme of Arrangement, without any action by or discretion of the Reporting Person. Includes 63,800 Ordinary Shares underlying Restricted Share Units ("RSUs"). Each RSU represented a contingent right to receive one Ordinary Share of the Company. Pursuant to the Transaction Agreement, at the Effective Time, each outstanding and unvested RSU became fully vested, and at the Effective Time, each RSU was automatically cancelled and converted into the right to receive (i) $38.00 in cash per Ordinary Share underlying such RSU award, without interest and less applicable withholding taxes, and (ii) one CVR per underlying Ordinary Share, in each case in accordance with the Transaction Agreement. No Ordinary Shares were issued upon settlement of RSUs prior to the Effective Time. Pursuant to the Transaction Agreement at the Effective Time, each outstanding share option, whether or not vested, was automatically cancelled and converted into the right to receive (i) an amount in cash equal to the excess of the Cash Consideration over the per-share exercise price of such option, without interest and less applicable withholding taxes, and (ii) one CVR per underlying Ordinary Share, in each case in accordance with the Transaction Agreement. No share options were exercised prior to the Effective Time.
Cash consideration per share $38.00 per Ordinary Share Paid at effective time of scheme of arrangement
Maximum CVR payments Up to $9.00 per share Aggregate contingent payments per Ordinary Share under CVR
Ordinary Shares disposed 147,954 shares Ordinary Shares held by Tia L. Bush transferred at closing
Option grant 1 140,000 options at $25.19 Share options cancelled; expiration on 2036-02-02
Option grant 2 125,000 options at $16.90 Share options cancelled; expiration on 2035-02-03
Option grant 3 145,208 options at $8.01 Share options cancelled; expiration on 2034-02-01
Option grant 4 27,187 options at $3.85 Share options cancelled; expiration on 2033-02-01
Option grant 5 360,338 options at $9.42 Share options cancelled; expiration on 2031-05-07
Scheme of Arrangement regulatory
"acquired all outstanding Ordinary Shares of Centessa Pharmaceuticals plc (the "Company") by means of a scheme of arrangement under Part 26 of the UK Companies Act 2006"
A scheme of arrangement is a legal agreement between a company and its shareholders or creditors to reorganize or settle debts, often to avoid bankruptcy or make big changes. It’s like a carefully planned handshake that everyone agrees to, helping the company stay afloat or improve its financial health.
contingent value right financial
"one non-transferable contingent value right (a "CVR") entitling the holders to receive contingent payments of up to an aggregate of $9.00 per Ordinary Share"
A contingent value right is a special security that gives its holder the right to receive one or more future payments only if specified events happen, such as a product reaching a sales target or getting regulatory approval. It matters to investors because it offers potential extra payout tied to uncertain outcomes—like a bet that a project will succeed—so it can add upside to a deal while also carrying extra risk and valuation uncertainty.
Cash Consideration financial
"holders of Ordinary Shares became entitled to receive (a) $38.00 in cash per Ordinary Share (the "Cash Consideration")"
Cash consideration is the actual money paid to buy a company, asset, or stake rather than payment in shares or other forms. For investors it matters because cash payments deliver immediate, certain value and affect the buyer’s and seller’s cash reserves and balance sheets—like selling a car for cash versus taking a trade-in, one side gets instant spending power while the other changes its liquidity and risk profile.
Restricted Share Units ("RSUs") financial
"Includes 63,800 Ordinary Shares underlying Restricted Share Units ("RSUs"). Each RSU represented a contingent right to receive one Ordinary Share"
Transaction Agreement regulatory
"pursuant to the Transaction Agreement dated as of March 31, 2026, by and among the Company, Parent and Purchaser"
American Depositary Shares financial
"The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share"
American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.
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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
X
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Bush Tia L

(Last)(First)(Middle)
C/O CENTESSA PHARMACEUTICALS PLC
3RD FL., 1 ASHLEY RD, ALTRINCHAM

(Street)
CHESHIREWA14 2DT

(City)(State)(Zip)

UNITED KINGDOM

(Country)
2. Issuer Name and Ticker or Trading Symbol
Centessa Pharmaceuticals plc [ CNTA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology & Quality Ofc
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/24/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Ordinary Shares(1)06/24/2026D(2)(3)(4)(5)147,954(5)D(3)(4)(5)0D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Share Option (right to buy)$9.4206/24/2026D(2)360,338 (6)05/07/2031Ordinary Shares(1)360,338(6)0D
Share Option (right to buy)$9.5306/24/2026D(2)140,000 (6)02/01/2032Ordinary Shares(1)140,000(6)0D
Share Option (right to buy)$3.8506/24/2026D(2)27,187 (6)02/01/2033Ordinary Shares(1)27,187(6)0D
Share Option (right to buy)$8.0106/24/2026D(2)145,208 (6)02/01/2034Ordinary Shares(1)145,208(6)0D
Share Option (right to buy)$16.906/24/2026D(2)125,000 (6)02/03/2035Ordinary Shares(1)125,000(6)0D
Share Option (right to buy)$25.1906/24/2026D(2)140,000 (6)02/02/2036Ordinary Shares(1)140,000(6)0D
Explanation of Responses:
1. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.
2. On June 24, 2026, Eli Lilly and Company ("Parent"), through its wholly owned subsidiary LDH XV Corporation ("Purchaser"), acquired all outstanding Ordinary Shares of Centessa Pharmaceuticals plc (the "Company") by means of a scheme of arrangement under Part 26 of the UK Companies Act 2006 (the "Scheme of Arrangement"), pursuant to the Transaction Agreement dated as of March 31, 2026, by and among the Company, Parent and Purchaser (the "Transaction Agreement").
3. At the effective time of the Scheme of Arrangement (the "Effective Time"), holders of Ordinary Shares became entitled to receive (a) $38.00 in cash per Ordinary Share (the "Cash Consideration"), without interest and less any applicable withholding taxes, and (b) one non-transferable contingent value right (a "CVR") entitling the holders to receive contingent payments of up to an aggregate of $9.00 per Ordinary Share, without interest and less any applicable withholding taxes, contingent upon the achievement of specified milestones set forth in the Contingent Value Rights Agreement between Parent, Purchaser and a rights agent mutually agreeable to the Company and Parent. Because each ADS represents one Ordinary Share, holders of ADSs became entitled to the same per-share consideration of $38.00 in cash plus one CVR per ADS.
4. (continued from footnote 3) The transfer of Ordinary Shares occurred automatically at the Effective Time pursuant to the Scheme of Arrangement, without any action by or discretion of the Reporting Person.
5. Includes 63,800 Ordinary Shares underlying Restricted Share Units ("RSUs"). Each RSU represented a contingent right to receive one Ordinary Share of the Company. Pursuant to the Transaction Agreement, at the Effective Time, each outstanding and unvested RSU became fully vested, and at the Effective Time, each RSU was automatically cancelled and converted into the right to receive (i) $38.00 in cash per Ordinary Share underlying such RSU award, without interest and less applicable withholding taxes, and (ii) one CVR per underlying Ordinary Share, in each case in accordance with the Transaction Agreement. No Ordinary Shares were issued upon settlement of RSUs prior to the Effective Time.
6. Pursuant to the Transaction Agreement at the Effective Time, each outstanding share option, whether or not vested, was automatically cancelled and converted into the right to receive (i) an amount in cash equal to the excess of the Cash Consideration over the per-share exercise price of such option, without interest and less applicable withholding taxes, and (ii) one CVR per underlying Ordinary Share, in each case in accordance with the Transaction Agreement. No share options were exercised prior to the Effective Time.
Remarks:
/s/ Raphael Deferiere, attorney-in-fact06/24/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did the Centessa (CNTA) Form 4 disclose about Tia L. Bush?

The Form 4 shows Chief Technology & Quality Officer Tia L. Bush disposed of 147,954 Ordinary Shares and all reported share options. These were automatically transferred at closing of Eli Lilly’s acquisition, leaving her with zero directly held shares and zero outstanding options.

How much are Centessa (CNTA) shareholders receiving per Ordinary Share?

Shareholders became entitled to receive $38.00 in cash per Ordinary Share plus one contingent value right (CVR). The CVR can deliver additional contingent payments of up to an aggregate of $9.00 per share if specified milestones in the Contingent Value Rights Agreement are met.

Do Centessa (CNTA) ADS holders receive the same consideration as ordinary shareholders?

Yes. Each American Depositary Share represents one Ordinary Share, so ADS holders receive the same per-share package: $38.00 in cash plus one CVR per ADS. This mirrors the treatment of Ordinary Shares under the scheme of arrangement with Eli Lilly and its subsidiary.

What happened to Centessa (CNTA) restricted share units (RSUs) in this transaction?

Outstanding and unvested RSUs, including 63,800 underlying Ordinary Shares mentioned, became fully vested at the effective time. Each RSU was cancelled and converted into the right to receive $38.00 in cash per underlying share plus one CVR, with no shares issued prior to closing.

How were Centessa (CNTA) employee share options treated at closing?

At the effective time, each outstanding share option, vested or unvested, was automatically cancelled. Holders became entitled to cash equal to the excess of the $38.00 cash consideration over the option’s exercise price per share, plus one CVR for each underlying Ordinary Share, as defined in the Transaction Agreement.

Was Tia L. Bush’s disposition in Centessa (CNTA) voluntary?

The filing states the transfer of Ordinary Shares occurred automatically at the effective time of the scheme of arrangement. It notes the transfer happened without any action by or discretion of the reporting person, reflecting mechanical treatment tied to Eli Lilly’s agreed acquisition terms.