IPSC

Century Therapeutics, Inc.

Insider trading activity for Century Therapeutics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$10.4K

net selling

Bought(0 · 0 insiders): $0
Sold(5 · 2 insiders): $10.4K

Past 6 months

-$22.1K

net selling

Bought(0 · 0 insiders): $0
Sold(10 · 2 insiders): $22.1K

Past 12 months

+$10.7K

net buying

Bought(3 · 2 insiders): $96.9K
Sold(20 · 4 insiders): $86.2K

Transaction history

The 73 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 14	Russotti Gregory	See Remarks	SSELL	2,587	$1.93	$5K	-0.5%	Open the original filing on SEC.gov
Sep 14	Carr Douglas	SVP Finance & Operations	SSELL	1,658	$1.93	$3.2K	-0.3%	Open the original filing on SEC.gov
Sep 11	Pfeiffenberger Brent	President and CEO	FTAX	13,850	$1.94	$26.9K	-0.4%	Open the original filing on SEC.gov
Sep 9	Truitt Joseph	Director	AGRANT◆	148,000	—	—	—	Open the original filing on SEC.gov
Sep 8	Carr Douglas	SVP Finance & Operations	SSELL	254	$2.05	$521	<0.1%	Open the original filing on SEC.gov
Sep 8	Russotti Gregory	See Remarks	SSELL	534	$2.05	$1.1K	-0.1%	Open the original filing on SEC.gov
Sep 4	Pfeiffenberger Brent	President and CEO	FTAX	463	$2.11	$977	<0.1%	Open the original filing on SEC.gov
Aug 14	Pfeiffenberger Brent	President and CEO	FTAX	31,172	$1.92	$59.9K	-0.9%	Open the original filing on SEC.gov
Aug 3	Carr Douglas	SVP Finance & Operations	SSELL	275	$1.98	$544	<0.1%	Open the original filing on SEC.gov
Jun 12	Russotti Gregory	See Remarks	SSELL	2,584	$2.23	$5.8K	-0.5%	Open the original filing on SEC.gov
Jun 12	Carr Douglas	SVP Finance & Operations	SSELL	1,654	$2.23	$3.7K	-0.3%	Open the original filing on SEC.gov
Jun 11	Murphy Martin Patrick	Director	AGRANT◆	74,000	—	—	—	Open the original filing on SEC.gov
Jun 11	Lee Han Myung	Director	AGRANT◆	74,000	—	—	—	Open the original filing on SEC.gov
Jun 11	Riva Alessandro	Director	AGRANT◆	74,000	—	—	—	Open the original filing on SEC.gov
Jun 11	Quimi Daphne	Director	AGRANT◆	74,000	—	—	—	Open the original filing on SEC.gov
Jun 11	Blackwell Kimberly	Director	AGRANT◆	74,000	—	—	—	Open the original filing on SEC.gov
Jun 11	Cowan Chad	Chief Scientific Officer	FTAX	358	$2.24	$802	<0.1%	Open the original filing on SEC.gov
Jun 11	Pfeiffenberger Brent	President and CEO	FTAX	13,849	$2.24	$31K	-0.4%	Open the original filing on SEC.gov
Jun 8	Russotti Gregory	See Remarks	SSELL	524	$2.11	$1.1K	-0.1%	Open the original filing on SEC.gov
Jun 8	Carr Douglas	SVP Finance & Operations	SSELL	249	$2.11	$526	<0.1%	Open the original filing on SEC.gov
Jun 5	Pfeiffenberger Brent	President and CEO	FTAX	463	$2.13	$986	<0.1%	Open the original filing on SEC.gov
May 15	Pfeiffenberger Brent	President and CEO	FTAX	31,172	$2.34	$72.9K	-0.8%	Open the original filing on SEC.gov
May 4	Carr Douglas	SVP Finance & Operations	SSELL	264	$2.34	$618	<0.1%	Open the original filing on SEC.gov
Apr 1	Cowan Chad	Chief Scientific Officer	FTAX	1,365	$2.19	$3K	-0.1%	Open the original filing on SEC.gov
Mar 12	Russotti Gregory	See Remarks	SSELL	10,076	$2.55	$25.7K	-1.9%	Open the original filing on SEC.gov
Mar 12	Carr Douglas	SVP Finance & Operations	SSELL	7,043	$2.55	$18K	-1.4%	Open the original filing on SEC.gov
Mar 11	Cowan Chad	Chief Scientific Officer	FTAX	1,431	$2.73	$3.9K	-0.1%	Open the original filing on SEC.gov
Mar 11	Pfeiffenberger Brent	President and CEO	FTAX	55,397	$2.73	$151.2K	-1.5%	Open the original filing on SEC.gov
Mar 9	Russotti Gregory	See Remarks	SSELL	479	$2.54	$1.2K	<0.1%	Open the original filing on SEC.gov
Mar 9	Carr Douglas	SVP Finance & Operations	SSELL	247	$2.54	$626	<0.1%	Open the original filing on SEC.gov
Mar 6	Pfeiffenberger Brent	President and CEO	FTAX	463	$2.56	$1.2K	<0.1%	Open the original filing on SEC.gov
Feb 13	Pfeiffenberger Brent	President and CEO	FTAX	31,172	$1.75	$54.6K	-0.8%	Open the original filing on SEC.gov
Feb 3	Carr Douglas	SVP Finance & Operations	SSELL	323	$1.82	$589	<0.1%	Open the original filing on SEC.gov
Feb 2	Cowan Chad	Chief Scientific Officer	AGRANT◆	265,000	—	—	—	Open the original filing on SEC.gov
Feb 2	Cowan Chad	Chief Scientific Officer	AGRANT	135,000	—	—	+12.9%	Open the original filing on SEC.gov
Feb 2	Pfeiffenberger Brent	President and CEO	AGRANT◆	945,000	—	—	—	Open the original filing on SEC.gov
Feb 2	Pfeiffenberger Brent	President and CEO	AGRANT	475,000	—	—	+14.3%	Open the original filing on SEC.gov
Feb 2	Russotti Gregory	See Remarks	AGRANT◆	265,000	—	—	—	Open the original filing on SEC.gov
Feb 2	Russotti Gregory	See Remarks	AGRANT	135,000	—	—	+34.5%	Open the original filing on SEC.gov
Feb 2	Carr Douglas	SVP Finance & Operations	AGRANT◆	225,000	—	—	—	Open the original filing on SEC.gov
Feb 2	Carr Douglas	SVP Finance & Operations	AGRANT	110,000	—	—	+27.2%	Open the original filing on SEC.gov
Jan 2	Cowan Chad	Chief Scientific Officer	FTAX	1,611	$0.995	$1.6K	-0.1%	Open the original filing on SEC.gov
Dec 22, 2025	Cowan Chad	Chief Scientific Officer	PBUY★	58,060	$0.8483	$49.3K	+5.9%	Open the original filing on SEC.gov
Dec 12, 2025	Pfeiffenberger Brent	President and CEO	PBUY	52,000	$0.5837	$30.4K	+1.6%	Open the original filing on SEC.gov
Dec 10, 2025	Pfeiffenberger Brent	President and CEO	FTAX	463	$0.526	$244	<0.1%	Open the original filing on SEC.gov
Dec 9, 2025	Lee Han Myung	Director	AGRANT◆	88,000	—	—	—	Open the original filing on SEC.gov
Dec 9, 2025	Murphy Martin Patrick	Director	AGRANT◆	88,000	—	—	—	Open the original filing on SEC.gov
Dec 8, 2025	Russotti Gregory	See Remarks	SSELL	526	$0.532	$280	-0.1%	Open the original filing on SEC.gov
Dec 8, 2025	Carr Douglas	SVP Finance & Operations	SSELL	257	$0.532	$137	<0.1%	Open the original filing on SEC.gov
Nov 20, 2025	Cowan Chad	Chief Scientific Officer	SSELL	5,462	$0.501	$2.7K	-0.5%	Open the original filing on SEC.gov
Nov 19, 2025	Pfeiffenberger Brent	President and CEO	PBUY★	35,000	$0.4951	$17.3K	+1.1%	Open the original filing on SEC.gov
Nov 17, 2025	Pfeiffenberger Brent	President and CEO	SSELL	32,456	$0.454	$14.7K	-1.0%	Open the original filing on SEC.gov
Nov 3, 2025	Carr Douglas	SVP Finance & Operations	SSELL	292	$0.586	$171	<0.1%	Open the original filing on SEC.gov
Sep 18, 2025	Cowan Chad	Chief Scientific Officer	AGRANT	762,543	—	—	+331.6%	Open the original filing on SEC.gov
Sep 8, 2025	Pfeiffenberger Brent	President and CEO	SSELL	488	$0.5	$244	<0.1%	Open the original filing on SEC.gov
Sep 8, 2025	Russotti Gregory	See Remarks	SSELL	539	$0.5	$270	-0.1%	Open the original filing on SEC.gov
Sep 8, 2025	Carr Douglas	SVP Finance & Operations	SSELL	263	$0.5	$132	<0.1%	Open the original filing on SEC.gov
Aug 14, 2025	Pfeiffenberger Brent	President and CEO	AGRANT	1.6M	—	—	+94.4%	Open the original filing on SEC.gov
Aug 4, 2025	Carr Douglas	SVP Finance & Operations	SSELL	296	$0.534	$158	<0.1%	Open the original filing on SEC.gov
Jun 12, 2025	Jimenez Joseph	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Riva Alessandro	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Quimi Daphne	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Walbert Timothy P	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Carlo Rizzuto	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Blackwell Kimberly	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Butitta Cynthia M	Director	AGRANT◆	44,000	—	—	—	Open the original filing on SEC.gov
Jun 9, 2025	Farid Adrienne	Chief Operations Officer	SSELL	552	$0.622	$343	-0.2%	Open the original filing on SEC.gov
Jun 9, 2025	Pfeiffenberger Brent	President and CEO	SSELL	475	$0.622	$295	<0.1%	Open the original filing on SEC.gov
Jun 9, 2025	Russotti Gregory	See Remarks	SSELL	526	$0.622	$327	-0.1%	Open the original filing on SEC.gov
Jun 9, 2025	Carr Douglas	SVP Finance & Operations	SSELL	4,904	$0.622	$3.1K	-1.2%	Open the original filing on SEC.gov
May 16, 2025	Pfeiffenberger Brent	President and CEO	SSELL	29,552	$0.546	$16.1K	-1.7%	Open the original filing on SEC.gov
May 5, 2025	Farid Adrienne	Chief Operations Officer	SSELL	1,024	$0.55	$563	-0.4%	Open the original filing on SEC.gov
May 5, 2025	Carr Douglas	SVP Finance & Operations	SSELL	295	$0.55	$162	<0.1%	Open the original filing on SEC.gov

SSELL$5K

Russotti Gregory · See RemarksSep 14

2,587 sh @ $1.93 · -0.5% own

SSELL$3.2K

Carr Douglas · SVP Finance &…Sep 14

1,658 sh @ $1.93 · -0.3% own

FTAX$26.9K

Pfeiffenberger Brent · President and CEOSep 11

13,850 sh @ $1.94 · -0.4% own

AGRANT◆—

Truitt Joseph · DirectorSep 9

148,000 sh

SSELL$521

Carr Douglas · SVP Finance &…Sep 8

254 sh @ $2.05 · <0.1% own

SSELL$1.1K

Russotti Gregory · See RemarksSep 8

534 sh @ $2.05 · -0.1% own

FTAX$977

Pfeiffenberger Brent · President and CEOSep 4

463 sh @ $2.11 · <0.1% own

FTAX$59.9K

Pfeiffenberger Brent · President and CEOAug 14

31,172 sh @ $1.92 · -0.9% own

SSELL$544

Carr Douglas · SVP Finance &…Aug 3

275 sh @ $1.98 · <0.1% own

SSELL$5.8K

Russotti Gregory · See RemarksJun 12

2,584 sh @ $2.23 · -0.5% own

SSELL$3.7K

Carr Douglas · SVP Finance &…Jun 12

1,654 sh @ $2.23 · -0.3% own

AGRANT◆—

Murphy Martin Patrick · DirectorJun 11

74,000 sh

AGRANT◆—

Lee Han Myung · DirectorJun 11

74,000 sh

AGRANT◆—

Riva Alessandro · DirectorJun 11

74,000 sh

AGRANT◆—

Quimi Daphne · DirectorJun 11

74,000 sh

AGRANT◆—

Blackwell Kimberly · DirectorJun 11

74,000 sh

FTAX$802

Cowan Chad · Chief Scientific…Jun 11

358 sh @ $2.24 · <0.1% own

FTAX$31K

Pfeiffenberger Brent · President and CEOJun 11

13,849 sh @ $2.24 · -0.4% own

SSELL$1.1K

Russotti Gregory · See RemarksJun 8

524 sh @ $2.11 · -0.1% own

SSELL$526

Carr Douglas · SVP Finance &…Jun 8

249 sh @ $2.11 · <0.1% own

FTAX$986

Pfeiffenberger Brent · President and CEOJun 5

463 sh @ $2.13 · <0.1% own

FTAX$72.9K

Pfeiffenberger Brent · President and CEOMay 15

31,172 sh @ $2.34 · -0.8% own

SSELL$618

Carr Douglas · SVP Finance &…May 4

264 sh @ $2.34 · <0.1% own

FTAX$3K

Cowan Chad · Chief Scientific…Apr 1

1,365 sh @ $2.19 · -0.1% own

SSELL$25.7K

Russotti Gregory · See RemarksMar 12

10,076 sh @ $2.55 · -1.9% own

SSELL$18K

Carr Douglas · SVP Finance &…Mar 12

7,043 sh @ $2.55 · -1.4% own

FTAX$3.9K

Cowan Chad · Chief Scientific…Mar 11

1,431 sh @ $2.73 · -0.1% own

FTAX$151.2K

Pfeiffenberger Brent · President and CEOMar 11

55,397 sh @ $2.73 · -1.5% own

SSELL$1.2K

Russotti Gregory · See RemarksMar 9

479 sh @ $2.54 · <0.1% own

SSELL$626

Carr Douglas · SVP Finance &…Mar 9

247 sh @ $2.54 · <0.1% own

FTAX$1.2K

Pfeiffenberger Brent · President and CEOMar 6

463 sh @ $2.56 · <0.1% own

FTAX$54.6K

Pfeiffenberger Brent · President and CEOFeb 13

31,172 sh @ $1.75 · -0.8% own

SSELL$589

Carr Douglas · SVP Finance &…Feb 3

323 sh @ $1.82 · <0.1% own

AGRANT◆—

Cowan Chad · Chief Scientific…Feb 2

265,000 sh

AGRANT—

Cowan Chad · Chief Scientific…Feb 2

135,000 sh · +12.9% own

AGRANT◆—

Pfeiffenberger Brent · President and CEOFeb 2

945,000 sh

AGRANT—

Pfeiffenberger Brent · President and CEOFeb 2

475,000 sh · +14.3% own

AGRANT◆—

Russotti Gregory · See RemarksFeb 2

265,000 sh

AGRANT—

Russotti Gregory · See RemarksFeb 2

135,000 sh · +34.5% own

AGRANT◆—

Carr Douglas · SVP Finance &…Feb 2

225,000 sh

AGRANT—

Carr Douglas · SVP Finance &…Feb 2

110,000 sh · +27.2% own

FTAX$1.6K

Cowan Chad · Chief Scientific…Jan 2

1,611 sh @ $0.995 · -0.1% own

PBUY★$49.3K

Cowan Chad · Chief Scientific…Dec 22, 2025

58,060 sh @ $0.8483 · +5.9% own

PBUY$30.4K

Pfeiffenberger Brent · President and CEODec 12, 2025

52,000 sh @ $0.5837 · +1.6% own

FTAX$244

Pfeiffenberger Brent · President and CEODec 10, 2025

463 sh @ $0.526 · <0.1% own

AGRANT◆—

Lee Han Myung · DirectorDec 9, 2025

88,000 sh

AGRANT◆—

Murphy Martin Patrick · DirectorDec 9, 2025

88,000 sh

SSELL$280

Russotti Gregory · See RemarksDec 8, 2025

526 sh @ $0.532 · -0.1% own

SSELL$137

Carr Douglas · SVP Finance &…Dec 8, 2025

257 sh @ $0.532 · <0.1% own

SSELL$2.7K

Cowan Chad · Chief Scientific…Nov 20, 2025

5,462 sh @ $0.501 · -0.5% own

PBUY★$17.3K

Pfeiffenberger Brent · President and CEONov 19, 2025

35,000 sh @ $0.4951 · +1.1% own

SSELL$14.7K

Pfeiffenberger Brent · President and CEONov 17, 2025

32,456 sh @ $0.454 · -1.0% own

SSELL$171

Carr Douglas · SVP Finance &…Nov 3, 2025

292 sh @ $0.586 · <0.1% own

AGRANT—

Cowan Chad · Chief Scientific…Sep 18, 2025

762,543 sh · +331.6% own

SSELL$244

Pfeiffenberger Brent · President and CEOSep 8, 2025

488 sh @ $0.5 · <0.1% own

SSELL$270

Russotti Gregory · See RemarksSep 8, 2025

539 sh @ $0.5 · -0.1% own

SSELL$132

Carr Douglas · SVP Finance &…Sep 8, 2025

263 sh @ $0.5 · <0.1% own

AGRANT—

Pfeiffenberger Brent · President and CEOAug 14, 2025

1.6M sh · +94.4% own

SSELL$158

Carr Douglas · SVP Finance &…Aug 4, 2025

296 sh @ $0.534 · <0.1% own

AGRANT◆—

Jimenez Joseph · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Riva Alessandro · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Quimi Daphne · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Walbert Timothy P · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Carlo Rizzuto · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Blackwell Kimberly · DirectorJun 12, 2025

44,000 sh

AGRANT◆—

Butitta Cynthia M · DirectorJun 12, 2025

44,000 sh

SSELL$343

Farid Adrienne · Chief Operations…Jun 9, 2025

552 sh @ $0.622 · -0.2% own

SSELL$295

Pfeiffenberger Brent · President and CEOJun 9, 2025

475 sh @ $0.622 · <0.1% own

SSELL$327

Russotti Gregory · See RemarksJun 9, 2025

526 sh @ $0.622 · -0.1% own

SSELL$3.1K

Carr Douglas · SVP Finance &…Jun 9, 2025

4,904 sh @ $0.622 · -1.2% own

SSELL$16.1K

Pfeiffenberger Brent · President and CEOMay 16, 2025

29,552 sh @ $0.546 · -1.7% own

SSELL$563

Farid Adrienne · Chief Operations…May 5, 2025

1,024 sh @ $0.55 · -0.4% own

SSELL$162

Carr Douglas · SVP Finance &…May 5, 2025

295 sh @ $0.55 · <0.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

2 of 69 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 81 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 9, 2025	Apr 9	Murphy Martin PatrickDirector	81days · about 4 months	—	Filing ↗
Dec 22, 2025	Dec 28, 2025	Cowan ChadChief Scientific Officer	1day	$49.3K	Filing ↗

Murphy Martin PatrickDirector

81days · about 4 months

Traded Dec 9, 2025 · filed Apr 9Filing ↗

Cowan ChadChief Scientific Officer

1day

Traded Dec 22, 2025 · filed Dec 28, 2025Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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