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Centessa (NASDAQ: CNTA) CEO’s shares and options canceled in Eli Lilly cash-and-CVR deal

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

Rhea-AI Filing Summary

Centessa Pharmaceuticals CEO Mario Alberto Accardi reported the automatic disposition of his equity in Centessa following its acquisition by Eli Lilly and Company. All 243,282 Ordinary Shares, which may be represented by ADSs, were transferred at the effective time of a court-approved Scheme of Arrangement.

Each Ordinary Share entitled the holder to receive $38.00 in cash plus one non-transferable contingent value right (CVR) for potential additional payments of up to $9.00 per share, subject to specified milestones. In addition, 81,806 Ordinary Shares underlying RSUs became fully vested and were converted into the same cash-and-CVR package.

All outstanding share options held by Accardi, across multiple grants with exercise prices ranging from $3.85 to $25.19, were automatically cancelled and converted into cash equal to the excess of the $38.00 cash consideration over each option’s exercise price, plus one CVR per underlying share. No shares or options were exercised before closing, and the filing shows zero Ordinary Shares and options remaining afterward.

Positive

  • None.

Negative

  • None.
Insider Accardi Mario Alberto
Role Chief Executive Officer
Type Security Shares Price Value
Disposition Share Option (right to buy) 6,250 $0.00 --
Disposition Share Option (right to buy) 16,875 $0.00 --
Disposition Share Option (right to buy) 15,300 $0.00 --
Disposition Share Option (right to buy) 30,000 $0.00 --
Disposition Share Option (right to buy) 225,000 $0.00 --
Disposition Share Option (right to buy) 273,000 $0.00 --
Disposition Ordinary Shares 243,282 $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 81,806 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.
Ordinary Shares disposed 243,282 shares Disposition to issuer at Effective Time under Scheme of Arrangement
Cash consideration per share $38.00 per Ordinary Share Paid at Effective Time of Scheme of Arrangement
Maximum CVR value up to $9.00 per share Contingent on specified milestones under Contingent Value Rights Agreement
RSUs underlying shares 81,806 shares Ordinary Shares underlying RSUs that vested and converted at Effective Time
Option exercise price example $25.19 per share Exercise price for 273,000-share option grant canceled and cashed out
Option exercise price example $3.85 per share Exercise price for 15,300-share option grant canceled and cashed out
Options transaction count 6 derivative transactions Share option dispositions to issuer on Form 4 date
Remaining holdings 0 shares/options Total shares and options following transactions in this Form 4
Scheme of Arrangement regulatory
"acquired all outstanding Ordinary Shares of Centessa Pharmaceuticals plc ... 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.
Restricted Share Units ("RSUs") financial
"Includes 81,806 Ordinary Shares underlying Restricted Share Units ("RSUs"). Each RSU represented a contingent right to receive one Ordinary Share of the Company."
Cash Consideration financial
"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"
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.
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*
Accardi Mario Alberto

(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
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)243,282(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)$9.5306/24/2026D(2)6,250 (6)02/01/2032Ordinary Shares(1)6,250(6)0D
Share Option (right to buy)$9.5306/24/2026D(2)16,875 (6)02/01/2032Ordinary Shares(1)16,875(6)0D
Share Option (right to buy)$3.8506/24/2026D(2)15,300 (6)02/01/2033Ordinary Shares(1)15,300(6)0D
Share Option (right to buy)$8.0106/24/2026D(2)30,000 (6)02/01/2034Ordinary Shares(1)30,000(6)0D
Share Option (right to buy)$16.906/24/2026D(2)225,000 (6)02/03/2035Ordinary Shares(1)225,000(6)0D
Share Option (right to buy)$25.1906/24/2026D(2)273,000 (6)02/02/2036Ordinary Shares(1)273,000(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 81,806 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 insider transaction did Centessa (CNTA) CEO Mario Accardi report?

Mario Accardi reported an automatic disposition of all his Centessa equity. His Ordinary Shares, RSUs, and share options were canceled or transferred in connection with Eli Lilly’s acquisition under a UK Scheme of Arrangement, leaving no shares or options reported as remaining.

What did Centessa (CNTA) shareholders receive in the Eli Lilly acquisition?

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

How were Centessa (CNTA) RSUs treated at the Effective Time?

Outstanding unvested RSUs, including 81,806 Ordinary Shares underlying RSUs for the CEO, became fully vested at the Effective Time. Each RSU was then canceled and converted into the right to receive $38.00 in cash per underlying share plus one CVR, less applicable withholding taxes.

What happened to Centessa (CNTA) share options held by the CEO?

Each outstanding share option was automatically canceled at the Effective Time. For each option, the holder became entitled to cash equal to the excess of the $38.00 cash consideration over the exercise price, plus one CVR per underlying Ordinary Share, instead of exercising the options.

Do Centessa (CNTA) ADS holders receive the same consideration as Ordinary Share holders?

Yes. Each American Depositary Share (ADS) currently represents one Ordinary Share. ADS holders became entitled to the same per-share consideration: $38.00 in cash plus one CVR per ADS, mirroring the terms provided to Ordinary Share holders in the transaction.

Were the CEO’s Centessa (CNTA) share transfers discretionary trades?

No. The filing explains that the transfer of Ordinary Shares occurred automatically at the Effective Time under the Scheme of Arrangement. It states the transfer happened without any action by or discretion of the reporting person, reflecting mandatory deal mechanics rather than open-market trading.