IPSC Century Therapeutics, Inc.

NASDAQ
$1.94

Century Therapeutics, Inc. (IPSC) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
2
3 transactions
Insiders selling
4
18 transactions
Purchases
$96.9K
145,060 shares
Sales
$78.0K
63,499 shares
Net activity
$18.9K
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $78.0K 18 transactions · 63,499 shares

Largest single sale: $25.7K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: December 22, 2025 , by Cowan Chad .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Russotti Gregory See Remarks Sell 534 $2.05 $1.1K 511,785 −0.1% of holding
Carr Douglas SVP Finance & Operations Sell 254 $2.05 $521 504,565 −0.1% of holding
Carr Douglas SVP Finance & Operations Sell 275 $1.98 $544 504,819 −0.1% of holding
Russotti Gregory See Remarks Sell 2,584 $2.23 $5.8K 512,319 −0.5% of holding
Carr Douglas SVP Finance & Operations Sell 1,654 $2.23 $3.7K 505,094 −0.3% of holding
Russotti Gregory See Remarks Sell 524 $2.11 $1.1K 514,903 −0.1% of holding
Carr Douglas SVP Finance & Operations Sell 249 $2.11 $526 506,748 −0% of holding
Carr Douglas SVP Finance & Operations Sell 264 $2.34 $618 506,997 −0.1% of holding
Russotti Gregory See Remarks Sell 10,076 $2.55 $25.7K 515,427 −1.9% of holding
Carr Douglas SVP Finance & Operations Sell 7,043 $2.55 $18.0K 507,261 −1.4% of holding
Russotti Gregory See Remarks Sell 479 $2.54 $1.2K 525,503 −0.1% of holding
Carr Douglas SVP Finance & Operations Sell 247 $2.54 $626 514,304 −0% of holding
Carr Douglas SVP Finance & Operations Sell 323 $1.82 $589 514,551 −0.1% of holding
Cowan Chad Chief Scientific Officer Buy 58,060 $0.85 $49.3K 1,045,087
Pfeiffenberger Brent President and CEO Buy 52,000 $0.58 $30.4K 3,322,990
Russotti Gregory See Remarks Sell 526 $0.53 $280 390,982 −0.1% of holding
Carr Douglas SVP Finance & Operations Sell 257 $0.53 $137 404,874 −0.1% of holding
Cowan Chad Chief Scientific Officer Sell 5,462 $0.50 $2.7K 987,027 −0.6% of holding
Pfeiffenberger Brent President and CEO Buy 35,000 $0.50 $17.3K 3,271,453
Pfeiffenberger Brent President and CEO Sell 32,456 $0.45 $14.7K 3,236,453 −1% of holding
Carr Douglas SVP Finance & Operations Sell 292 $0.59 $171 405,131 −0.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.