Tapewire

Nasdaq · USD

IPSC

Century Therapeutics, Inc.

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Tapewire entity
5739
SEC CIK
0001850119
Parsed reports
187

Last 12 months

Inside the activity.

3 purchase rows · 20 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202513
Dec 202522
Jan 202600
Feb 202601
Mar 202604
Apr 202600
May 202601
Jun 202604
Jul 202600
Aug 202601
Sep 202604
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 14, 2026 Filed Sep 15, 2026 22:25 UTC
Russotti GregorySee Remarks
SaleCommon Stock 2,587 $1.93 $4,992.91
Disclosure

SEC source: 0001867305-26-000014 · form4-09152026_100952.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 509,198

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
September 14, 2026 Filed Sep 15, 2026 22:25 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 1,658 $1.93 $3,199.94
Disclosure

SEC source: 0001867173-26-000020 · form4-09152026_100903.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 502,907

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
September 11, 2026 Filed Sep 15, 2026 22:23 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 13,850 $1.94 $26,869.00
Disclosure

SEC source: 0002001162-26-000018 · form4-09152026_100955.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,633,839

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
September 09, 2026 Filed Sep 10, 2026 21:48 UTC GrantStock Option (right to buy) · Derivative 148,000 $0.00 Strike: $2.03 $0.00
Disclosure

SEC source: 0001452429-26-000005 · form4-09102026_090949.xml · derivative · entry 1

Truitt Joseph · CIK 0001452429 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,000

Underlying: Common Stock · 148,000 shares

Expires 2036-09-09

F1 · derivative.exercise_date: Century Therapeutics, Inc. (the "Company") issued to the Reporting Person stock options (the "Options") in connection with his appointment as a director. The Options vest in equal monthly installments over 36 months subject to the Reporting Person's continued service to the Company and are issued pursuant to the Company's 2021 Equity Incentive Plan.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 20:35 UTC
Russotti GregorySee Remarks
SaleCommon Stock 534 $2.05 $1,094.70
Disclosure

SEC source: 0001867305-26-000012 · form4-09092026_080938.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 511,785

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 20:34 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 254 $2.05 $520.70
Disclosure

SEC source: 0001867173-26-000018 · form4-09092026_080900.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 504,565

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 20:36 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 463 $2.11 $976.93
Disclosure

SEC source: 0002001162-26-000016 · form4-09092026_080950.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,633,839

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
August 14, 2026 Filed Aug 18, 2026 20:17 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 31,172 $1.92 $59,850.24
Disclosure

SEC source: 0002001162-26-000014 · form4-08182026_080855.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,634,302

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
August 03, 2026 Filed Aug 5, 2026 20:08 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 275 $1.98 $543.68
Disclosure

SEC source: 0001867173-26-000016 · form4-08052026_080803.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 504,819

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
June 12, 2026 Filed Jun 15, 2026 23:56 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 1,654 $2.23 $3,691.73
Disclosure

SEC source: 0001867173-26-000014 · form4-06152026_110627.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 505,094

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
June 12, 2026 Filed Jun 15, 2026 23:57 UTC
Russotti GregorySee Remarks
SaleCommon Stock 2,584 $2.23 $5,767.49
Disclosure

SEC source: 0001867305-26-000010 · form4-06152026_110632.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 512,319

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:08 UTC GrantStock Option (right to buy) · Derivative 74,000 $0.00 Strike: $2.24 $0.00
Disclosure

SEC source: 0001867172-26-000006 · form4-06122026_090629.xml · derivative · entry 1

Riva Alessandro · CIK 0001867172 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Common Stock · 74,000 shares

Expires 2036-06-11

F1 · derivative.exercise_date: The option vests on the earlier of (a) June 11, 2027, or (b) the next annual meeting of stockholders, in each case subject to the Reporting Person's continued service through the applicable vesting date.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:07 UTC
Quimi DaphneDirector
GrantStock Option (right to buy) · Derivative 74,000 $0.00 Strike: $2.24 $0.00
Disclosure

SEC source: 0001543031-26-000002 · form4-06122026_090652.xml · derivative · entry 1

Quimi Daphne · CIK 0001543031 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Common Stock · 74,000 shares

Expires 2036-06-11

F1 · derivative.exercise_date: The option vests on the earlier of (a) June 11, 2027, or (b) the next annual meeting of stockholders, in each case subject to the Reporting Person's continued service through the applicable vesting date.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:05 UTC GrantStock Option (right to buy) · Derivative 74,000 $0.00 Strike: $2.24 $0.00
Disclosure

SEC source: 0002100154-26-000002 · form4-06122026_090649.xml · derivative · entry 1

Lee Han Myung · CIK 0002100154 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Common Stock · 74,000 shares

Expires 2036-06-11

F1 · derivative.exercise_date: The option vests on the earlier of (a) June 11, 2027, or (b) the next annual meeting of stockholders, in each case subject to the Reporting Person's continued service through the applicable vesting date.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:06 UTC GrantStock Option (right to buy) · Derivative 74,000 $0.00 Strike: $2.24 $0.00
Disclosure

SEC source: 0002127581-26-000006 · form4-06122026_090645.xml · derivative · entry 1

Murphy Martin Patrick · CIK 0002127581 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Common Stock · 74,000 shares

Expires 2036-06-11

F1 · derivative.exercise_date: The option vests on the earlier of (a) June 11, 2027, or (b) the next annual meeting of stockholders, in each case subject to the Reporting Person's continued service through the applicable vesting date.

Read SEC document
June 11, 2026 Filed Jun 12, 2026 21:05 UTC GrantStock Option (right to buy) · Derivative 74,000 $0.00 Strike: $2.24 $0.00
Disclosure

SEC source: 0001816465-26-000002 · form4-06122026_090611.xml · derivative · entry 1

Blackwell Kimberly · CIK 0001816465 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Common Stock · 74,000 shares

Expires 2036-06-11

F1 · derivative.exercise_date: The option vests on the earlier of (a) June 11, 2027, or (b) the next annual meeting of stockholders, in each case subject to the Reporting Person's continued service through the applicable vesting date.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 23:54 UTC
Cowan ChadChief Scientific Officer
Tax withholdingCommon Stock 358 $2.24 $801.92
Disclosure

SEC source: 0002039294-26-000010 · form4-06152026_110619.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,175,322

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 23:55 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 13,849 $2.24 $31,021.76
Disclosure

SEC source: 0002001162-26-000012 · form4-06152026_110631.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,665,474

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
June 08, 2026 Filed Jun 9, 2026 20:10 UTC
Russotti GregorySee Remarks
SaleCommon Stock 524 $2.11 $1,106.16
Disclosure

SEC source: 0001867305-26-000008 · form4-06092026_040607.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,903

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
June 08, 2026 Filed Jun 9, 2026 20:10 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 249 $2.11 $525.64
Disclosure

SEC source: 0001867173-26-000012 · form4-06092026_040605.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,748

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
June 05, 2026 Filed Jun 9, 2026 20:10 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 463 $2.13 $986.19
Disclosure

SEC source: 0002001162-26-000010 · form4-06092026_040603.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,679,323

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:10 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 31,172 $2.34 $72,942.48
Disclosure

SEC source: 0002001162-26-000008 · form4-05192026_040501.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,679,786

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
May 04, 2026 Filed May 6, 2026 21:27 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 264 $2.34 $618.02
Disclosure

SEC source: 0001867173-26-000010 · form4-05062026_090521.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 506,997

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 23:18 UTC
Cowan ChadChief Scientific Officer
Tax withholdingCommon Stock 1,365 $2.19 $2,989.35
Disclosure

SEC source: 0002039294-26-000008 · form4-04032026_110429.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,175,680

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
March 12, 2026 Filed Mar 16, 2026 20:04 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 7,043 $2.55 $17,952.61
Disclosure

SEC source: 0001867173-26-000008 · form4-03162026_080351.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 507,261

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
March 12, 2026 Filed Mar 16, 2026 20:03 UTC
Russotti GregorySee Remarks
SaleCommon Stock 10,076 $2.55 $25,683.72
Disclosure

SEC source: 0001867305-26-000006 · form4-03162026_080350.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 515,427

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
March 11, 2026 Filed Mar 13, 2026 20:05 UTC
Cowan ChadChief Scientific Officer
Tax withholdingCommon Stock 1,431 $2.73 $3,906.63
Disclosure

SEC source: 0002039294-26-000006 · form4-03132026_080344.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,177,045

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
March 11, 2026 Filed Mar 13, 2026 20:07 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 55,397 $2.73 $151,233.81
Disclosure

SEC source: 0002001162-26-000006 · form4-03132026_080321.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,710,958

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:11 UTC
Russotti GregorySee Remarks
SaleCommon Stock 479 $2.54 $1,214.74
Disclosure

SEC source: 0001867305-26-000004 · form4-03112026_080313.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,503

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:10 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 247 $2.54 $626.39
Disclosure

SEC source: 0001867173-26-000006 · form4-03112026_080344.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,304

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
March 06, 2026 Filed Mar 10, 2026 23:53 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 463 $2.56 $1,185.28
Disclosure

SEC source: 0002001162-26-000004 · form4-03102026_110303.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,766,355

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
February 13, 2026 Filed Feb 18, 2026 22:12 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 31,172 $1.75 $54,551.00
Disclosure

SEC source: 0001104659-26-017132 · tm266779-1_4seq1.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,766,818

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Read SEC document
February 03, 2026 Filed Feb 5, 2026 21:14 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 323 $1.82 $588.51
Disclosure

SEC source: 0001867173-26-000004 · form4-02052026_090230.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,551

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:15 UTC
Cowan ChadChief Scientific Officer
GrantStock Option (right to buy) · Derivative 265,000 $0.00 Strike: $1.84 $0.00
Disclosure

SEC source: 0002039294-26-000004 · form4-02042026_090252.xml · derivative · entry 3

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 265,000

Underlying: Common Stock · 265,000 shares

Expires 2036-02-02

F3 · derivative.exercise_date: The option vests 25% on February 2, 2027, with the remaining 75% vesting in 36 equal monthly installments, subject to the Reporting Person's continued service through each applicable vesting date.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:15 UTC
Cowan ChadChief Scientific Officer
GrantCommon Stock 135,000 $0.00 $0.00
Disclosure

SEC source: 0002039294-26-000004 · form4-02042026_090252.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,178,476

F1 · kind: Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 25% on February 2, 2027, with the remaining 75% vesting on a quarterly basis for the three years thereafter, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:22 UTC
Pfeiffenberger BrentDirector · President and CEO
GrantStock Option (right to buy) · Derivative 945,000 $0.00 Strike: $1.84 $0.00
Disclosure

SEC source: 0002001162-26-000002 · form4-02042026_090254.xml · derivative · entry 2

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 945,000

Underlying: Common Stock · 945,000 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The option vests 25% on February 2, 2027, with the remaining 75% vesting in 36 equal monthly installments, subject to the Reporting Person's continued service through each applicable vesting date.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:22 UTC
Pfeiffenberger BrentDirector · President and CEO
GrantCommon Stock 475,000 $0.00 $0.00
Disclosure

SEC source: 0002001162-26-000002 · form4-02042026_090254.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,797,990

F1 · kind: Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 25% on February 2, 2027, with the remaining 75% vesting on a quarterly basis for the three years thereafter, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:19 UTC
Russotti GregorySee Remarks
GrantStock Option (right to buy) · Derivative 265,000 $0.00 Strike: $1.84 $0.00
Disclosure

SEC source: 0001867305-26-000002 · form4-02042026_090235.xml · derivative · entry 3

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 265,000

Underlying: Common Stock · 265,000 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The option vests 25% on February 2, 2027, with the remaining 75% vesting in 36 equal monthly installments, subject to the Reporting Person's continued service through each applicable vesting date.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:19 UTC
Russotti GregorySee Remarks
GrantCommon Stock 135,000 $0.00 $0.00
Disclosure

SEC source: 0001867305-26-000002 · form4-02042026_090235.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,982

F1 · kind: Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 25% on February 2, 2027, with the remaining 75% vesting on a quarterly basis for the three years thereafter, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:12 UTC
Carr DouglasSVP Finance & Operations
GrantStock Option (right to buy) · Derivative 225,000 $0.00 Strike: $1.84 $0.00
Disclosure

SEC source: 0001867173-26-000002 · form4-02042026_090202.xml · derivative · entry 2

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

Underlying: Common Stock · 225,000 shares

Expires 2036-02-02

F2 · derivative.exercise_date: The option vests 25% on February 2, 2027, with the remaining 75% vesting in 36 equal monthly installments, subject to the Reporting Person's continued service through each applicable vesting date.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 21:12 UTC
Carr DouglasSVP Finance & Operations
GrantCommon Stock 110,000 $0.00 $0.00
Disclosure

SEC source: 0001867173-26-000002 · form4-02042026_090202.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 514,874

F1 · kind: Reflects the grant of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock. The RSUs vest 25% on February 2, 2027, with the remaining 75% vesting on a quarterly basis for the three years thereafter, in each case subject the Reporting Person's continued service through the applicable vesting date. The RSUs will be settled on each applicable vesting date in shares of the Issuer's common stock.

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January 02, 2026 Filed Jan 6, 2026 21:10 UTC
Cowan ChadChief Scientific Officer
Tax withholdingCommon Stock 1,611 $1.00 $1,602.95
Disclosure

SEC source: 0002039294-26-000002 · form4-01062026_090146.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,043,476

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

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December 22, 2025 Filed Dec 29, 2025 21:52 UTC
Cowan ChadChief Scientific Officer
PurchaseCommon Stock 58,060 $0.85 $49,252.30
Disclosure

SEC source: 0002039294-25-000008 · form4-12292025_091223.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,045,087

F1 · kind: All profits from the reported transactions will be disgorged to the issuer pursuant to applicable requirements.

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December 12, 2025 Filed Dec 16, 2025 23:38 UTC
Pfeiffenberger BrentDirector · President and CEO
PurchaseCommon Stock 52,000 $0.58 $30,352.40
Disclosure

SEC source: 0002001162-25-000009 · form4-12162025_111214.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,322,990

F1 · kind: All profits from the reported transactions will be disgorged to the issuer pursuant to applicable requirements.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $0.577 to $0.5838. Full information regarding the number of shares purchased at each separate price can be furnished to the SEC staff upon request.

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December 10, 2025 Filed Dec 12, 2025 21:16 UTC
Pfeiffenberger BrentDirector · President and CEO
Tax withholdingCommon Stock 463 $0.53 $243.54
Disclosure

SEC source: 0002001162-25-000007 · form4-12122025_091213.xml · nonDerivative · entry 1

Pfeiffenberger Brent · CIK 0002001162 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,270,990

F1 · kind: Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

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December 09, 2025 Filed Dec 11, 2025 23:04 UTC GrantStock Option (right to buy) · Derivative 88,000 $0.00 Strike: $0.59 $0.00
Disclosure

SEC source: 0002100154-25-000004 · form4-12112025_111254.xml · derivative · entry 1

Lee Han Myung · CIK 0002100154 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,000

Underlying: Common Stock · 88,000 shares

Expires 2035-12-09

F1 · derivative.exercise_date: Century Therapeutics, Inc. (the "Company") issued to the Reporting Person stock options (the "Options") in connection with his appointment as a director. The Options vest in equal monthly installments over 36 months subject to the Reporting Person's continued service to the Company and are issued pursuant to the Company's 2021 Equity Incentive Plan.

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December 09, 2025 Filed Apr 10, 2026 21:07 UTC GrantStock Option (right to buy) · Derivative 88,000 $0.00 Strike: $0.59 $0.00
Disclosure

SEC source: 0002127581-26-000004 · form4-04102026_090449.xml · derivative · entry 1

Murphy Martin Patrick · CIK 0002127581 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,000

Underlying: Common Stock · 88,000 shares

Expires 2035-12-09

F1 · derivative.exercise_date: Century Therapeutics, Inc. (the "Company") issued to the Reporting Person stock options (the "Options") in connection with his appointment as a director. The Options vest in equal monthly installments over 36 months subject to the Reporting Person's continued service to the Company and are issued pursuant to the Company's 2021 Equity Incentive Plan.

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December 08, 2025 Filed Dec 10, 2025 21:34 UTC
Carr DouglasSVP Finance & Operations
SaleCommon Stock 257 $0.53 $136.72
Disclosure

SEC source: 0001867173-25-000005 · form4-12102025_091245.xml · nonDerivative · entry 1

Carr Douglas · CIK 0001867173 · SVP Finance & Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,874

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

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December 08, 2025 Filed Dec 10, 2025 21:34 UTC
Russotti GregorySee Remarks
SaleCommon Stock 526 $0.53 $279.83
Disclosure

SEC source: 0001867305-25-000003 · form4-12102025_091259.xml · nonDerivative · entry 1

Russotti Gregory · CIK 0001867305 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 390,982

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

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November 20, 2025 Filed Nov 24, 2025 21:05 UTC
Cowan ChadChief Scientific Officer
SaleCommon Stock 5,462 $0.50 $2,736.46
Disclosure

SEC source: 0002039294-25-000006 · form4-11242025_091151.xml · nonDerivative · entry 1

Cowan Chad · CIK 0002039294 · Chief Scientific Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 987,027

F1 · kind: The sales reported on this Form 4 represent the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. Such sales were automatic and not at the discretion of the Reporting Person.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.