30% off. Use code SUMMERSALE30 at checkout for 30% off for 12 months on Plus, Pro and Premium subscriptions. Subscribe now
United States Biotechnology & Medical Research

International Stem Cell Corp (ISCO)

Track

Stock chart
Ticker: ISCO Exchange: OTC
Preparing chart...
Download chart Copy chart image Copy link Share to X Share


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
MAIER PAUL V
1 sale — total 1,681 USD
Sale 18 Apr 2019
Value US$4,808,416.93 | Price 158.18 | Shares 66,506
Buy 21 Jan 2019
Value US$2,452,728.89 | Price 29.28 | Shares 99,300
Sale 4 Dec 2018
Value US$16,379.44 | Price 1.54 | Shares 10,636
Sale 3 Dec 2018
Value US$3,006.00 | Price 1.67 | Shares 1,800
Sale 2 Oct 2018
Value US$2,360.52 | Price 1.58 | Shares 1,494
Sale 21 Aug 2018
Value US$7,742.00 | Price 1.58 | Shares 4,900
Sale 20 Aug 2018
Value US$14,700.32 | Price 1.58 | Shares 9,304
Sale 13 Jul 2018
Value US$1,738.00 | Price 1.58 | Shares 1,100
Sale 10 Jul 2018
Value US$4,476.14 | Price 1.58 | Shares 2,833
Sale 26 Jun 2018
Value US$318.00 | Price 1.59 | Shares 200
Sale 25 Jun 2018
Value US$1,920.00 | Price 1.60 | Shares 1,200
Sale 12 Dec 2017
Value US$6,000.00 | Price 1.50 | Shares 4,000
Sale 11 Dec 2017
Value US$1,500.00 | Price 1.50 | Shares 1,000
Sale 11 Dec 2017
Value US$916.50 | Price 1.50 | Shares 611
Sale 11 Dec 2017
Value US$3,150.00 | Price 1.50 | Shares 2,100
Sale 11 Dec 2017
Value US$399.00 | Price 1.50 | Shares 266
Sale 8 Dec 2017
Value US$1,050.00 | Price 1.50 | Shares 700
Sale 8 Dec 2017
Value US$3,876.00 | Price 1.50 | Shares 2,584
Sale 8 Dec 2017
Value US$3,000.00 | Price 1.50 | Shares 2,000
Sale 8 Dec 2017
Value US$15,000.00 | Price 1.50 | Shares 10,000
Sale 8 Dec 2017
Value US$3,150.00 | Price 1.50 | Shares 2,100
Buy 7 Dec 2017
Value US$3,256,417.50 | Price 1.75 | Shares 1,860,810
Sale 7 Dec 2017
Value US$1,558.50 | Price 1.50 | Shares 1,039
Sale 7 Dec 2017
Value US$750.00 | Price 1.50 | Shares 500
Sale 6 Dec 2017
Value US$3,000.00 | Price 1.50 | Shares 2,000
Sale 6 Dec 2017
Value US$770.00 | Price 1.54 | Shares 500
Sale 6 Dec 2017
Value US$775.00 | Price 1.55 | Shares 500
Buy 22 May 2017
Value US$5,248.00 | Price 1.64 | Shares 3,200
Buy 22 Mar 2017
Value US$5,070.00 | Price 1.69 | Shares 3,000
Buy 21 Mar 2017
Value US$800.00 | Price 1.60 | Shares 500
Buy 20 Mar 2017
Value US$10,790.00 | Price 1.66 | Shares 6,500
Buy 14 Mar 2017
Value US$3,339.00 | Price 1.59 | Shares 2,100
Buy 13 Mar 2017
Value US$1,500.00 | Price 1.50 | Shares 1,000
Buy 10 Mar 2017
Value US$6,600.00 | Price 1.32 | Shares 5,000
Buy 8 Dec 2016
Value US$499,999.50 | Price 1.75 | Shares 285,714
Buy 14 Sep 2016
Value US$350,000.00 | Price 1.75 | Shares 200,000
Buy 22 Aug 2016
Value US$269,998.75 | Price 1.75 | Shares 154,285
Buy 29 Jun 2016
Value US$376,250.00 | Price 1.75 | Shares 215,000
Buy 31 Mar 2015
Value US$83,387.63 | Price 0.04 | Shares 1,861,331
Buy 31 Mar 2015
Value US$264,060.79 | Price 0.04 | Shares 5,894,214
Buy 23 Feb 2015
Value US$83,387.63 | Price 0.04 | Shares 1,861,331
Buy 22 Dec 2014
Value US$339,506.73 | Price 0.06 | Shares 5,894,214
Buy 10 Oct 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 10 Oct 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 10 Oct 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 26 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 26 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 26 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 12 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 12 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 12 Sep 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 10 Sep 2014
Value US$50,000.04 | Price 0.09 | Shares 555,556
Buy 10 Sep 2014
Value US$350,000.01 | Price 0.09 | Shares 3,888,889
Buy 29 Aug 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 29 Aug 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 29 Aug 2014
Value US$1,000.00 | Price 0.10 | Shares 10,000
Buy 6 Aug 2014
Value US$500,000.00 | Price 0.10 | Shares 5,000,000
Buy 6 Aug 2014
Value US$100,000.00 | Price 0.10 | Shares 1,000,000
Buy 26 Jun 2014
Value US$70,000.00 | Price 0.10 | Shares 700,000
Buy 26 Jun 2014
Value US$480,000.00 | Price 0.10 | Shares 4,800,000
Buy 29 May 2014
Value US$69,499.95 | Price 0.15 | Shares 463,333
Buy 29 May 2014
Value US$430,500.00 | Price 0.15 | Shares 2,870,000
Buy 24 Jul 2013
Value US$100,150.05 | Price 0.15 | Shares 667,667
Buy 24 Jul 2013
Value US$899,849.85 | Price 0.15 | Shares 5,998,999
Buy 12 Mar 2013
Value US$100,000.00 | Price 0.20 | Shares 500,000
Buy 22 Jan 2013
Value US$2,000,000.00 | Price 0.20 | Shares 10,000,000
Planned sale 25 Mar 2011
Value US$13,872.00 | Price 1.39 | Shares 10,000
Planned sale 2 Mar 2011
Value US$7,500.00 | Price 1.50 | Shares 5,000
Planned sale 24 Feb 2011
Value US$13,400.00 | Price 1.34 | Shares 10,000
Planned sale 22 Feb 2011
Value US$15,198.00 | Price 1.52 | Shares 10,000
Planned sale 1 Feb 2011
Value US$7,500.00 | Price 1.50 | Shares 5,000
Planned sale 21 Jan 2011
Value US$16,898.00 | Price 1.69 | Shares 10,000
Planned sale 20 Jan 2011
Value US$18,500.00 | Price 1.85 | Shares 10,000
Planned sale 19 Jan 2011
Value US$18,850.00 | Price 1.89 | Shares 10,000
Planned sale 3 Jan 2011
Value US$9,000.00 | Price 1.80 | Shares 5,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2019-04-22 2019-04-18 S Sale
MAIER PAUL V
66,506 -29.9%
158.18
US$4,808,417 		66,506 -29.9% 158.18 US$4,808,417
2019-01-22 2019-01-21 B Purchase
Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
99,300 +44.4%
29.28
US$2,452,729 		99,300 +44.4% 29.28 US$2,452,729
2018-12-06 2018-12-04 S Sale Garnette Sophia

VP, Legal Affairs & Operations

Officer
13,987 +41.2%
489.63
US$2,846,834 		13,987 +41.2% 489.63 US$2,846,834
2018-12-06 2018-12-03 S Sale Kern Russell

EVP and CSO

Executive Director Large shareholder
1,800 -1.0%
1.67
US$3,006 		1,800 -1.0% 1.67 US$3,006
2018-10-03 2018-10-02 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
1,494 -84.8%
1.58
US$2,361 		1,494 -84.8% 1.58 US$2,361
2018-08-22 2018-08-21 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
4,900 -94.8%
1.58
US$7,742 		4,900 -94.8% 1.58 US$7,742
2018-08-21 2018-08-20 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
9,304 -97.2%
1.58
US$14,700 		9,304 -97.2% 1.58 US$14,700
2018-07-17 2018-07-13 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
1,100 -80.5%
1.58
US$1,738 		1,100 -80.5% 1.58 US$1,738
2018-07-12 2018-07-10 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
2,833 -91.4%
1.58
US$4,476 		2,833 -91.4% 1.58 US$4,476
2018-06-28 2018-06-26 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
200 -42.8%
1.59
US$318 		200 -42.8% 1.59 US$318
2018-06-27 2018-06-25 S Sale Garnette Sophia

VP, Legal Affairs & Operation

Officer
1,200 -81.8%
1.60
US$1,920 		1,200 -81.8% 1.60 US$1,920
2017-12-12 2017-12-12 S Sale Don Wright
4,000 -45.8%
1.50
US$6,000 		4,000 -45.8% 1.50 US$6,000
2017-12-12 2017-12-11 S Sale Don Wright
1,000 -10.3%
1.50
US$1,500 		1,000 -10.3% 1.50 US$1,500
2017-12-12 2017-12-11 S Sale Don Wright
611 -5.9%
1.50
US$916 		611 -5.9% 1.50 US$916
2017-12-12 2017-12-11 S Sale Don Wright
2,100 -16.9%
1.50
US$3,150 		2,100 -16.9% 1.50 US$3,150
2017-12-12 2017-12-11 S Sale Don Wright
266 -2.1%
1.50
US$399 		266 -2.1% 1.50 US$399
2017-12-12 2017-12-08 S Sale Don Wright
700 -5.2%
1.50
US$1,050 		700 -5.2% 1.50 US$1,050
2017-12-12 2017-12-08 S Sale Don Wright
2,584 -16.2%
1.50
US$3,876 		2,584 -16.2% 1.50 US$3,876
2017-12-08 2017-12-08 S Sale Don Wright
2,000 -11.1%
1.50
US$3,000 		2,000 -11.1% 1.50 US$3,000
2017-12-08 2017-12-08 S Sale Don Wright
10,000 -35.7%
1.50
US$15,000 		10,000 -35.7% 1.50 US$15,000
2017-12-08 2017-12-08 S Sale Don Wright
2,100 -7.0%
1.50
US$3,150 		2,100 -7.0% 1.50 US$3,150
2017-12-08 2017-12-07 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
1,860,810 +121.7%
1.75
US$3,256,418 		1,860,810 +121.7% 1.75 US$3,256,418
2017-12-08 2017-12-07 S Sale Don Wright
1,039 -3.3%
1.50
US$1,558 		1,039 -3.3% 1.50 US$1,558
2017-12-08 2017-12-07 S Sale Don Wright
500 -1.6%
1.50
US$750 		500 -1.6% 1.50 US$750
2017-12-08 2017-12-06 S Sale Don Wright
2,000 -5.9%
1.50
US$3,000 		2,000 -5.9% 1.50 US$3,000
2017-12-08 2017-12-06 S Sale Don Wright
500 -1.5%
1.54
US$770 		500 -1.5% 1.54 US$770
2017-12-08 2017-12-06 S Sale Don Wright
500 -1.4%
1.55
US$775 		500 -1.4% 1.55 US$775
2017-05-24 2017-05-22 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
3,200 +0.2%
1.64
US$5,248 		3,200 +0.2% 1.64 US$5,248
2017-03-22 2017-03-22 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
3,000 +0.2%
1.69
US$5,070 		3,000 +0.2% 1.69 US$5,070
2017-03-22 2017-03-21 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
500 +0.0%
1.60
US$800 		500 +0.0% 1.60 US$800
2017-03-22 2017-03-20 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
6,500 +0.4%
1.66
US$10,790 		6,500 +0.4% 1.66 US$10,790
2017-03-14 2017-03-14 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
2,100 +0.1%
1.59
US$3,339 		2,100 +0.1% 1.59 US$3,339
2017-03-14 2017-03-13 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
1,000 +0.1%
1.50
US$1,500 		1,000 +0.1% 1.50 US$1,500
2017-03-14 2017-03-10 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
5,000 +0.3%
1.32
US$6,600 		5,000 +0.3% 1.32 US$6,600
2016-12-08 2016-12-08 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
285,714 +23.4%
1.75
US$500,000 		285,714 +23.4% 1.75 US$500,000
2016-09-15 2016-09-14 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
200,000 +19.6%
1.75
US$350,000 		200,000 +19.6% 1.75 US$350,000
2016-08-23 2016-08-22 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
154,285 +17.8%
1.75
US$269,999 		154,285 +17.8% 1.75 US$269,999
2016-06-30 2016-06-29 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
215,000 +33.0%
1.75
US$376,250 		215,000 +33.0% 1.75 US$376,250
2015-04-02 2015-03-31 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
1,861,331 +24.7%
0.04
US$83,388 		1,861,331 +24.7% 0.04 US$83,388
2015-04-02 2015-03-31 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
5,894,214 +10.9%
0.04
US$264,061 		5,894,214 +10.9% 0.04 US$264,061
2015-02-24 2015-02-23 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
1,861,331 +32.8%
0.04
US$83,388 		1,861,331 +32.8% 0.04 US$83,388
2014-12-24 2014-12-22 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
5,894,214 +12.2%
0.06
US$339,507 		5,894,214 +12.2% 0.06 US$339,507
2014-10-10 2014-10-10 B Purchase Bakalova Sofya

Dir. Legal Affairs & Operation

Officer
10,000 +33.3%
0.10
US$1,000 		10,000 +33.3% 0.10 US$1,000
2014-10-10 2014-10-10 B Purchase Novak Tibor Jay

Chief Financial Officer

Officer
10,000 +33.3%
0.10
US$1,000 		10,000 +33.3% 0.10 US$1,000
2014-10-10 2014-10-10 B Purchase Craw John Simon

Executive Vice President

Officer
10,000 +5.7%
0.10
US$1,000 		10,000 +5.7% 0.10 US$1,000
2014-09-26 2014-09-26 B Purchase Craw John Simon

Executive Vice President

Officer
10,000 +6.1%
0.10
US$1,000 		10,000 +6.1% 0.10 US$1,000
2014-09-26 2014-09-26 B Purchase Novak Tibor Jay

Chief Financial Officer

Officer
10,000 +50.0%
0.10
US$1,000 		10,000 +50.0% 0.10 US$1,000
2014-09-26 2014-09-26 B Purchase Bakalova Sofya

Dir. of Legal Affairs & Oper.

Officer
10,000 +50.0%
0.10
US$1,000 		10,000 +50.0% 0.10 US$1,000
2014-09-12 2014-09-12 B Purchase Novak Tibor Jay

Chief Financial Officer

Officer
10,000 +100.0%
0.10
US$1,000 		10,000 +100.0% 0.10 US$1,000
2014-09-12 2014-09-12 B Purchase Craw John Simon

Executive Vice President

Officer
10,000 +6.5%
0.10
US$1,000 		10,000 +6.5% 0.10 US$1,000
2014-09-12 2014-09-12 B Purchase Bakalova Sofya

Dir. of Legal Affairs & Oper.

Officer
10,000 +100.0%
0.10
US$1,000 		10,000 +100.0% 0.10 US$1,000
2014-09-12 2014-09-10 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
555,556 +10.8%
0.09
US$50,000 		555,556 +10.8% 0.09 US$50,000
2014-09-12 2014-09-10 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
3,888,889 +8.7%
0.09
US$350,000 		3,888,889 +8.7% 0.09 US$350,000
2014-09-02 2014-08-29 B Purchase Bakalova Sofya

Dir. of Legal Affairs & Oper.

Officer
10,000 +inf%
0.10
US$1,000 		10,000 +inf% 0.10 US$1,000
2014-09-02 2014-08-29 B Purchase Novak Tibor Jay

Chief Financial Officer

Officer
10,000 +inf%
0.10
US$1,000 		10,000 +inf% 0.10 US$1,000
2014-09-02 2014-08-29 B Purchase Craw John Simon

Executive Vice President

Officer
10,000 +6.9%
0.10
US$1,000 		10,000 +6.9% 0.10 US$1,000
2014-08-08 2014-08-06 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
5,000,000 +12.7%
0.10
US$500,000 		5,000,000 +12.7% 0.10 US$500,000
2014-08-08 2014-08-06 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
1,000,000 +24.2%
0.10
US$100,000 		1,000,000 +24.2% 0.10 US$100,000
2014-06-30 2014-06-26 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
700,000 +20.4%
0.10
US$70,000 		700,000 +20.4% 0.10 US$70,000
2014-06-30 2014-06-26 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
4,800,000 +13.8%
0.10
US$480,000 		4,800,000 +13.8% 0.10 US$480,000
2014-06-02 2014-05-29 B Purchase Semechkin Ruslan

Chief Scientific Officer

Executive Director Large shareholder
463,333 +34.1%
0.15
US$69,500 		463,333 +34.1% 0.15 US$69,500
2014-06-02 2014-05-29 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
2,870,000 +13.5%
0.15
US$430,500 		2,870,000 +13.5% 0.15 US$430,500
2013-07-26 2013-07-24 B Purchase Semechkin Ruslan

Chief Science Officer

Executive Director Large shareholder
667,667 +2605.0%
0.15
US$100,150 		667,667 +2605.0% 0.15 US$100,150
2013-07-26 2013-07-24 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
5,998,999 +47.8%
0.15
US$899,850 		5,998,999 +47.8% 0.15 US$899,850
2013-03-14 2013-03-12 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
500,000 +4.2%
0.20
US$100,000 		500,000 +4.2% 0.20 US$100,000
2013-01-24 2013-01-22 B Purchase Semechkin Andrey

Chief Executive Officer

Executive Director Large shareholder
10,000,000 +490.7%
0.20
US$2,000,000 		10,000,000 +490.7% 0.20 US$2,000,000
2011-03-25 2011-03-25 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -16.1%
1.39
US$13,872 		10,000 -16.1% 1.39 US$13,872
2011-03-03 2011-03-02 PlS Planned sale Wood Edmund R

CFO

Officer
5,000 -100.0%
1.50
US$7,500 		5,000 -100.0% 1.50 US$7,500
2011-02-24 2011-02-24 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -10.9%
1.34
US$13,400 		10,000 -10.9% 1.34 US$13,400
2011-02-23 2011-02-22 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -8.9%
1.52
US$15,198 		10,000 -8.9% 1.52 US$15,198
2011-02-02 2011-02-01 PlS Planned sale Wood Edmund R

CFO

Officer
5,000 -100.0%
1.50
US$7,500 		5,000 -100.0% 1.50 US$7,500
2011-01-28 2011-01-21 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -7.6%
1.69
US$16,898 		10,000 -7.6% 1.69 US$16,898
2011-01-28 2011-01-20 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -7.0%
1.85
US$18,500 		10,000 -7.0% 1.85 US$18,500
2011-01-28 2011-01-19 PlS Planned sale MAIER PAUL V Non-Executive Director
10,000 -6.6%
1.89
US$18,850 		10,000 -6.6% 1.89 US$18,850
2011-01-05 2011-01-03 PlS Planned sale Wood Edmund R

CFO

Officer
5,000 -100.0%
1.80
US$9,000 		5,000 -100.0% 1.80 US$9,000
Explore more

More insider trading research around International Stem Cell Corp

More insider trades in United States
Similar Healthcare companies with insider activity
More Pharmaceuticals & Medical Research companies with insider activity
More Biotechnology & Medical Research companies with insider activity
Insider trading in North America