ISCOOTCPharmaceutical PreparationsFiscal year ends December 31
International Stem Cell CORP
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$0.28+0.00 (+0.89%)
Close on Oct 19, 2026
- Market cap
- $2.27M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Who owns International Stem Cell's shares
Held by institutions
–
Shares held, 13F filers
Institutional holders
–
Net institutional buying
–
Insider trades, 12 months
0 buys · 1 sales
Net sold $10.50K
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Paul V. Maier | Director | 31,710 | 0.40% | Sep 17, 2026 |
| Wright Don | Director | 4,739 | 0.06% | Jun 23, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Paul V. Maier Director | Sep 11, 2026 | Sale | −32,802 | $0.32 | $10.50K | 0 |
| Paul V. Maier Director | Apr 18, 2019 | Sale | −1,350 | $1.25 | $1.69K | 31,710 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Jan 21, 2019 | Buy | +599,222 | $1.75 | $1.05M | 4,034,594 |
| Sophia Garnette VP, Legal Affairs & Operations | Dec 4, 2018 | Option exercise | +2,778 | $1.09 | $3.03K | 3,045 |
| Sophia Garnette VP, Legal Affairs & Operations | Dec 4, 2018 | Option exercise | +7,858 | $1.10 | $8.64K | 10,903 |
| Sophia Garnette VP, Legal Affairs & Operations | Dec 4, 2018 | Sale | −10,636 | $1.54 | $16.38K | 267 |
| Russell Kern EVP and CSO, Director, 10% owner | Dec 3, 2018 | Sale | −1,800 | $1.67 | $3.01K | 178,398 |
| Russell Kern EVP and CSO, Director, 10% owner | Dec 3, 2018 | Option exercise | +1,800 | $1.09 | $1.96K | 180,198 |
| Sophia Garnette VP, Legal Affairs & Operation | Oct 2, 2018 | Option exercise | +1,494 | $1.10 | $1.64K | 1,761 |
| Sophia Garnette VP, Legal Affairs & Operation | Oct 2, 2018 | Sale | −1,494 | $1.58 | $2.36K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Aug 21, 2018 | Option exercise | +4,900 | $1.10 | $5.39K | 5,167 |
| Sophia Garnette VP, Legal Affairs & Operation | Aug 21, 2018 | Sale | −4,900 | $1.58 | $7.74K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Aug 20, 2018 | Option exercise | +3,556 | $1.09 | $3.88K | 3,823 |
| Sophia Garnette VP, Legal Affairs & Operation | Aug 20, 2018 | Sale | −9,304 | $1.58 | $14.70K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Aug 20, 2018 | Option exercise | +5,748 | $1.10 | $6.32K | 9,571 |
| Sophia Garnette VP, Legal Affairs & Operation | Jul 13, 2018 | Sale | −1,100 | $1.58 | $1.74K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Jul 13, 2018 | Option exercise | +1,100 | $1.09 | $1.20K | 1,367 |
| Sophia Garnette VP, Legal Affairs & Operation | Jul 10, 2018 | Option exercise | +2,833 | $1.09 | $3.09K | 3,100 |
| Sophia Garnette VP, Legal Affairs & Operation | Jul 10, 2018 | Sale | −2,833 | $1.58 | $4.48K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Jun 26, 2018 | Sale | −200 | $1.59 | $318 | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Jun 26, 2018 | Option exercise | +200 | $1.09 | $218 | 467 |
| Sophia Garnette VP, Legal Affairs & Operation | Jun 25, 2018 | Sale | −1,200 | $1.60 | $1.92K | 267 |
| Sophia Garnette VP, Legal Affairs & Operation | Jun 25, 2018 | Option exercise | +1,200 | $1.09 | $1.31K | 1,467 |
| Charles J. Casamento Director | Jun 21, 2018 | Award | +4,328 | – | – | 14,431 |
| Charles J. Casamento Director | May 16, 2018 | Gift | −12,280 | – | – | 10,103 |
| Charles J. Casamento Director | Mar 30, 2018 | Award | +5,527 | – | – | 22,383 |
| Russell Kern EVP and CSO, Director, 10% owner | Feb 20, 2018 | Option exercise | +27,500 | $1.09 | $29.98K | 169,509 |
| Russell Kern EVP and CSO, Director, 10% owner | Feb 20, 2018 | Option exercise | +8,889 | $1.10 | $9.78K | 178,398 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Feb 20, 2018 | Option exercise | +30,556 | $1.09 | $33.31K | 3,419,816 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Feb 20, 2018 | Option exercise | +15,556 | $1.10 | $17.11K | 3,435,372 |
| Charles J. Casamento Director | Jan 9, 2018 | Gift | −34,000 | – | – | 16,856 |
| Charles J. Casamento Director | Dec 29, 2017 | Award | +5,175 | – | – | 50,856 |
| Wright Don Director | Dec 12, 2017 | Sale | −4,000 | $1.50 | $6.00K | 4,739 |
| Wright Don Director | Dec 11, 2017 | Sale | −2,100 | $1.50 | $3.15K | 10,350 |
| Wright Don Director | Dec 11, 2017 | Sale | −611 | $1.50 | $917 | 9,739 |
| Wright Don Director | Dec 11, 2017 | Sale | −1,000 | $1.50 | $1.50K | 8,739 |
| Wright Don Director | Dec 11, 2017 | Sale | −266 | $1.50 | $399 | 12,450 |
| Wright Don Director | Dec 8, 2017 | Sale | −2,584 | $1.50 | $3.88K | 13,416 |
| Wright Don Director | Dec 8, 2017 | Sale | −700 | $1.50 | $1.05K | 12,716 |
| Wright Don Director | Dec 8, 2017 | Sale | −10,000 | $1.50 | $15.00K | 18,000 |
| Wright Don Director | Dec 8, 2017 | Sale | −2,000 | $1.50 | $3.00K | 16,000 |
| Wright Don Director | Dec 8, 2017 | Sale | −2,100 | $1.50 | $3.15K | 28,000 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Dec 7, 2017 | Buy | +1,860,810 | $1.75 | $3.26M | 3,389,260 |
| Wright Don Director | Dec 7, 2017 | Sale | −1,039 | $1.50 | $1.56K | 30,100 |
| Wright Don Director | Dec 7, 2017 | Sale | −500 | $1.50 | $750 | 31,139 |
| Wright Don Director | Dec 6, 2017 | Sale | −500 | $1.55 | $775 | 34,139 |
| Wright Don Director | Dec 6, 2017 | Sale | −500 | $1.54 | $770 | 33,639 |
| Wright Don Director | Dec 6, 2017 | Sale | −2,000 | $1.50 | $3.00K | 31,639 |
| Charles J. Casamento Director | Sep 29, 2017 | Award | +4,415 | – | – | 45,681 |
| Charles J. Casamento Director | Jun 30, 2017 | Award | +7,127 | – | – | 41,266 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | May 22, 2017 | Buy | +3,200 | $1.64 | $5.25K | 1,528,450 |
| Wright Don Director | Mar 31, 2017 | Award | +4,642 | – | – | 34,639 |
| Charles J. Casamento Director | Mar 31, 2017 | Award | +4,642 | – | – | 34,139 |
| Paul V. Maier Director | Mar 31, 2017 | Award | +4,642 | – | – | 33,060 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 22, 2017 | Buy | +3,000 | $1.69 | $5.07K | 1,525,250 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 21, 2017 | Buy | +500 | $1.60 | $800 | 1,522,250 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 20, 2017 | Buy | +6,500 | $1.66 | $10.79K | 1,521,750 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 14, 2017 | Buy | +2,100 | $1.59 | $3.34K | 1,515,250 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 13, 2017 | Buy | +1,000 | $1.50 | $1.50K | 1,513,150 |
| Andrey Semechkin Chief Executive Officer, Director, 10% owner | Mar 10, 2017 | Buy | +5,000 | $1.32 | $6.60K | 1,512,150 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Paul V. Maier Director | Sep 11, 2026 | 32,802 | $11.81K | Sep 11, 2026 | Stock Grants |