Century Therapeutics, Inc. (IPSC) has 20 known insider and institutional holders on record. The largest holder is Versant Venture Capital VI, L.P. with 11,452,014 shares. Other notable holders include Versant Vantage II GP-GP, LLC and Pfeiffenberger Brent.
Over the last 12 months, insiders have made 45 transactions in IPSC stock — 17 buys (valued at $3.46M) and 20 sells (valued at $85.18K). Insider selling has exceeded buying during this period.
IPSC Insider Ownership
Top Holder
Versant Venture Capital VI, L.P.
11,452,014 shares
Buys (12 mo)
17
$3.46M value
Sells (12 mo)
20
$85.18K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Versant Venture Capital Vi, L.p. |
10 Percent Owner |
11,452,014 |
2022-08-11 |
|
| 2 |
Versant Vantage Ii Gp-gp, Llc |
Director |
11,452,014 |
2022-08-11 |
|
| 3 |
Pfeiffenberger Brent |
President and CEO |
3,710,958 |
2026-03-13 |
|
| 4 |
Cowan Chad |
Chief Scientific Officer |
1,175,680 |
2026-04-03 |
|
| 5 |
Flores Osvaldo |
Chief Executive Officer |
637,500 |
2023-02-06 |
|
| 6 |
Russotti Gregory |
See Remarks |
515,427 |
2026-03-16 |
|
| 7 |
Carr Douglas |
SVP Finance & Operations |
507,261 |
2026-03-16 |
|
| 8 |
Diem Michael Craig |
Chief Financial Officer |
253,533 |
2023-11-03 |
|
| 9 |
Farid Adrienne |
Chief Operations Officer |
250,141 |
2025-06-11 |
|
| 10 |
Lee Han Myung |
Director |
88,000 |
2025-12-11 |
|
| 11 |
Carlo Rizzuto |
Director |
44,000 |
2025-06-16 |
|
| 12 |
Jimenez Joseph |
Director |
44,000 |
2025-06-16 |
|
| 13 |
Riva Alessandro |
Director |
44,000 |
2025-06-16 |
|
| 14 |
Blackwell Kimberly |
Director |
44,000 |
2025-06-16 |
|
| 15 |
Butitta Cynthia M |
Director |
44,000 |
2025-06-16 |
|
| 16 |
Quimi Daphne |
Director |
44,000 |
2025-06-16 |
|
| 17 |
Walbert Timothy P |
Director |
44,000 |
2025-06-16 |
|
| 18 |
Borges Luis |
Chief Scientific Officer |
43,750 |
2023-03-23 |
|
| 19 |
Levitsky Hyam |
President of R&d |
24,000 |
2024-03-11 |
|
| 20 |
Casdin Eli |
Director |
19,872 |
2022-06-10 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Cowan Chad |
Chief Scientific Officer |
Tax Withholding of RSU |
1,365 |
$2.19 |
$2.99K |
| 2026-03-12 |
Russotti Gregory |
See Remarks |
Informative Sell |
10,076 |
$2.55 |
$25.68K |
| 2026-03-12 |
Carr Douglas |
SVP Finance & Operations |
Informative Sell |
7,043 |
$2.55 |
$17.95K |
| 2026-03-11 |
Cowan Chad |
Chief Scientific Officer |
Tax Withholding of RSU |
1,431 |
$2.73 |
$3.91K |
| 2026-03-11 |
Pfeiffenberger Brent |
President and CEO |
Tax Withholding of RSU |
55,397 |
$2.73 |
$151.23K |
| 2026-03-09 |
Russotti Gregory |
See Remarks |
Informative Sell |
479 |
$2.54 |
$1.21K |
| 2026-03-06 |
Pfeiffenberger Brent |
President and CEO |
Tax Withholding of RSU |
463 |
$2.56 |
$1.19K |
| 2026-02-13 |
Pfeiffenberger Brent |
President and CEO |
Tax Withholding of RSU |
31,172 |
$1.75 |
$54.55K |
| 2026-02-03 |
Carr Douglas |
SVP Finance & Operations |
Informative Sell |
323 |
$1.82 |
$588.51 |
| 2026-02-02 |
Cowan Chad |
Chief Scientific Officer |
RSU Award |
265,000 |
$1.84 |
$487.6K |
| 2026-02-02 |
Pfeiffenberger Brent |
President and CEO |
RSU Award |
945,000 |
$1.84 |
$1.74M |
| 2026-02-02 |
Russotti Gregory |
See Remarks |
RSU Award |
265,000 |
$1.84 |
$487.6K |
| 2026-02-02 |
Carr Douglas |
SVP Finance & Operations |
RSU Award |
225,000 |
$1.84 |
$414K |
| 2026-01-02 |
Cowan Chad |
Chief Scientific Officer |
Tax Withholding of RSU |
1,611 |
$1.00 |
$1.6K |
| 2025-12-22 |
Cowan Chad |
Chief Scientific Officer |
Informative Buy |
58,060 |
$0.85 |
$49.25K |
| 2025-12-12 |
Pfeiffenberger Brent |
President and CEO |
Informative Buy |
52,000 |
$0.58 |
$30.35K |
| 2025-12-10 |
Pfeiffenberger Brent |
President and CEO |
Tax Withholding of RSU |
463 |
$0.53 |
$243.54 |
| 2025-12-09 |
Lee Han Myung |
Director |
RSU Award |
88,000 |
$0.59 |
$52.1K |
| 2025-12-09 |
Lee Han Myung |
Officer |
Unknown |
- |
- |
- |
| 2025-12-08 |
Russotti Gregory |
See Remarks |
Informative Sell |
526 |
$0.53 |
$279.83 |
| 2025-12-08 |
Carr Douglas |
SVP Finance & Operations |
Informative Sell |
257 |
$0.53 |
$136.72 |
| 2025-11-20 |
Cowan Chad |
Chief Scientific Officer |
Informative Sell |
5,462 |
$0.50 |
$2.74K |
| 2025-11-19 |
Pfeiffenberger Brent |
President and CEO |
Informative Buy |
35,000 |
$0.50 |
$17.33K |
| 2025-11-17 |
Pfeiffenberger Brent |
President and CEO |
Informative Sell |
32,456 |
$0.45 |
$14.74K |
| 2025-11-03 |
Carr Douglas |
SVP Finance & Operations |
Informative Sell |
292 |
$0.59 |
$171.11 |
