IPSC insider buying and SEC filings, explained
Century Therapeutics, Inc. · CIK 1850119
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$97K
Insiders who bought
2
Sold (not marked 10b5-1)
$86K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 14, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 2,587 shares at $1.93 ($5K). Holdings down 1% to 509,198 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 15, 2026 |
| Sep 14, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 1,658 shares at $1.93 ($3K). Holdings down <1% to 502,907 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 15, 2026 |
| Sep 8, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 534 shares at $2.05 ($1K). Holdings down <1% to 511,785 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 9, 2026 |
| Sep 8, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 254 shares at $2.05 ($521). Holdings down <1% to 504,565 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 9, 2026 |
| Aug 3, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 275 shares at $1.98 ($545). Holdings down <1% to 504,819 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Jun 12, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 2,584 shares at $2.23 ($6K). Holdings down 1% to 512,319 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 12, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 1,654 shares at $2.23 ($4K). Holdings down <1% to 505,094 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 8, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 524 shares at $2.11 ($1K). Holdings down <1% to 514,903 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| Jun 8, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 249 shares at $2.11 ($525). Holdings down <1% to 506,748 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| May 4, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 264 shares at $2.34 ($618). Holdings down <1% to 506,997 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 6, 2026 |
| Mar 12, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 10,076 shares at $2.55 ($26K). Holdings down 2% to 515,427 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 7,043 shares at $2.55 ($18K). Holdings down 1% to 507,261 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 9, 2026 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 479 shares at $2.54 ($1K). Holdings down <1% to 525,503 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 9, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 247 shares at $2.54 ($627). Holdings down <1% to 514,304 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Feb 3, 2026 | Sale | Douglas Carr (SVP Finance & Operations) sold 323 shares at $1.82 ($588). Holdings down <1% to 514,551 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 5, 2026 |
| Dec 22, 2025 | Purchase (code P) | Chad Cowan (Chief Scientific Officer) bought 58,060 shares at $0.8500 ($49K), reported as a purchase (code P). Holdings up 6% to 1,045,087 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 29, 2025 |
| Dec 12, 2025 | Purchase (code P) | Brent Pfeiffenberger (CEO and Director) bought 52,000 shares at about $0.5800 ($30K), reported as a purchase (code P). Holdings up 2% to 3,322,990 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 16, 2025 |
| Dec 8, 2025 | Sale | Gregory Russotti (Chief Technology and Manufacturing…) sold 526 shares at $0.5300 ($279). Holdings down <1% to 390,982 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 10, 2025 |
| Dec 8, 2025 | Sale | Douglas Carr (SVP Finance & Operations) sold 257 shares at $0.5300 ($136). Holdings down <1% to 404,874 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 10, 2025 |
| Nov 20, 2025 | Sale | Chad Cowan (Chief Scientific Officer) sold 5,462 shares at $0.5000 ($3K). Holdings down 1% to 987,027 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 24, 2025 |
| Nov 19, 2025 | Purchase (code P) | Brent Pfeiffenberger (CEO and Director) bought 35,000 shares at about $0.5000 ($18K), reported as a purchase (code P). Holdings up 1% to 3,271,453 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 20, 2025 |
| Nov 17, 2025 | Sale | Brent Pfeiffenberger (CEO and Director) sold 32,456 shares at $0.4500 ($15K). Holdings down 1% to 3,236,453 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 19, 2025 |
| Nov 3, 2025 | Sale | Douglas Carr (SVP Finance & Operations) sold 292 shares at $0.5900 ($172). Holdings down <1% to 405,131 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
26 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$97K in purchases since Nov 19, 2025 · Purchases traded Nov 19, 2025 to Dec 22, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Brent Pfeiffenberger (CEO) | $18K | Nov 19, 2025 | SEC filing |
| Brent Pfeiffenberger (CEO) | $30K | Dec 12, 2025 | SEC filing |
| Chad Cowan (Chief Scientific Officer) | $49K | Dec 22, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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