Form4insider filings, from the source

Company · CIK 0001355790 · SIC 2834 — Pharmaceutical Preparations · OTC

International Stem Cell CORP · ISCO

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $6.3M · 12sales $108k · 12net $6.2M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesFeb 2015Jan 2017Dec 2018Dec 2020Nov 2022Oct 2024Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 SForm 4 →Sep 15, 4:12 pm EDTPaul V MaierDirector32,802$0.32$10,4970−100%
Jan 21, 2019 PForm 4 →Jan 22, 6:15 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner599,222$1.75$1,048,6394,034,594+17.4% plan?
Dec 4, 2018 SForm 4 →Dec 6, 7:59 am ESTSophia GarnetteVP, Legal Affairs & Operations10,636$1.54$16,379267−97.6% plan?
Dec 4, 2018 MForm 4 →Dec 6, 7:59 am ESTSophia GarnetteVP, Legal Affairs & Operations10,636$1.10$11,67210,903— plan?
Dec 3, 2018 SForm 4 →Dec 6, 8:02 am ESTRussell KernEVP and CSO, Director, 10% Owner1,800$1.67$3,006178,398−1.00% plan?
Dec 3, 2018 MForm 4 →Dec 6, 8:02 am ESTRussell KernEVP and CSO, Director, 10% Owner1,800$1.09$1,962180,198— plan?
Oct 2, 2018 SForm 4 →Oct 3, 4:45 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,494$1.58$2,361267−84.8% plan?
Oct 2, 2018 MForm 4 →Oct 3, 4:45 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,494$1.10$1,6431,761— plan?
Aug 21, 2018 SForm 4 →Aug 22, 6:14 pm EDTSophia GarnetteVP, Legal Affairs & Operation4,900$1.58$7,742267−94.8% plan?
Aug 21, 2018 MForm 4 →Aug 22, 6:14 pm EDTSophia GarnetteVP, Legal Affairs & Operation4,900$1.10$5,3905,167— plan?
Aug 20, 2018 SForm 4 →Aug 21, 4:57 pm EDTSophia GarnetteVP, Legal Affairs & Operation9,304$1.58$14,700267−97.2% plan?
Aug 20, 2018 MForm 4 →Aug 21, 4:57 pm EDTSophia GarnetteVP, Legal Affairs & Operation9,304$1.10$10,1999,571— plan?
Jul 13, 2018 SForm 4 →Jul 17, 5:46 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,100$1.58$1,738267−80.5% plan?
Jul 13, 2018 MForm 4 →Jul 17, 5:46 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,100$1.09$1,1991,367— plan?
Jul 10, 2018 SForm 4 →Jul 12, 5:20 pm EDTSophia GarnetteVP, Legal Affairs & Operation2,833$1.58$4,476267−91.4% plan?
Jul 10, 2018 MForm 4 →Jul 12, 5:20 pm EDTSophia GarnetteVP, Legal Affairs & Operation2,833$1.09$3,0883,100— plan?
Jun 26, 2018 SForm 4 →Jun 28, 5:53 pm EDTSophia GarnetteVP, Legal Affairs & Operation200$1.59$318267−42.8% plan?
Jun 26, 2018 MForm 4 →Jun 28, 5:53 pm EDTSophia GarnetteVP, Legal Affairs & Operation200$1.09$218467— plan?
Jun 25, 2018 SForm 4 →Jun 27, 6:05 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,200$1.60$1,920267−81.8% plan?
Jun 25, 2018 MForm 4 →Jun 27, 6:05 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,200$1.09$1,3081,467— plan?
Jun 21, 2018 AForm 4 →Jun 25, 4:18 pm EDTCharles J CasamentoDirector4,328——14,431— plan?
May 16, 2018 GForm 4 →May 16, 6:55 pm EDTCharles J CasamentoDirector12,280——10,103— plan?
Mar 30, 2018 AForm 4 →Apr 4, 1:31 pm EDTCharles J CasamentoDirector5,527——22,383— plan? late
Feb 20, 2018 MForm 4 →Feb 22, 3:34 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner46,112$1.09$50,4183,435,372— plan?
Feb 20, 2018 MForm 4 →Feb 22, 3:33 pm ESTRussell KernEVP and CSO, Director, 10% Owner36,389$1.09$39,753178,398— plan?
Jan 9, 2018 GForm 4 →Feb 1, 3:12 pm ESTCharles J CasamentoDirector34,000——16,856— plan? late
Dec 29, 2017 AForm 4 →Jan 2, 2018, 5:17 pm ESTCharles J CasamentoDirector5,175——50,856— plan?
Dec 8, 2017 SForm 4 →Dec 12, 2:59 pm ESTWright DonDirector11,261$1.50$16,8924,739−70.4% plan?
Dec 7, 2017 PForm 4 →Dec 8, 2:34 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner1,860,810$1.75$3,256,4183,389,260+122% plan?
Dec 6, 2017 SForm 4 →Dec 8, 1:19 pm ESTWright DonDirector18,639$1.50$28,00416,000−53.8% plan?
Sep 29, 2017 AForm 4 →Oct 2, 7:48 pm EDTCharles J CasamentoDirector4,415——45,681— plan?
Jun 30, 2017 AForm 4 →Jul 5, 5:48 pm EDTCharles J CasamentoDirector7,127——41,266— plan?
May 22, 2017 PForm 4 →May 24, 3:10 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner3,200$1.64$5,2481,528,450+0.21% plan?
Mar 31, 2017 AForm 4 →Apr 3, 1:14 pm EDTWright DonDirector4,642——34,639— plan?
Mar 31, 2017 AForm 4 →Apr 3, 1:14 pm EDTPaul V MaierDirector4,642——33,060— plan?
Mar 31, 2017 AForm 4 →Apr 3, 1:14 pm EDTCharles J CasamentoDirector4,642——34,139— plan?
Mar 20, 2017 PForm 4 →Mar 22, 5:11 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner10,000$1.67$16,6601,525,250+0.66% plan?
Mar 10, 2017 PForm 4 →Mar 14, 5:25 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner8,100$1.41$11,4391,515,250+0.54% plan?
Dec 30, 2016 AForm 4 →Dec 30, 3:00 pm ESTWright DonDirector7,523——29,997— plan?
Dec 30, 2016 AForm 4 →Dec 30, 2:59 pm ESTPaul V MaierDirector7,523——28,418— plan?
Dec 30, 2016 AForm 4 →Dec 30, 2:55 pm ESTCharles J CasamentoDirector7,523——29,497— plan?
Dec 8, 2016 PForm 4 →Dec 8, 7:03 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner285,714$1.75$500,0001,507,150+23.4% plan?
Oct 13, 2016 AForm 4 →Oct 14, 3:40 pm EDTWright DonDirector1,334——22,474— plan?
Oct 13, 2016 AForm 4 →Oct 14, 3:40 pm EDTPaul V MaierDirector1,334——20,895— plan?
Oct 13, 2016 AForm 4 →Oct 14, 3:39 pm EDTCharles J CasamentoDirector1,334——21,974— plan?
Sep 30, 2016 AForm 4 →Sep 30, 4:55 pm EDTWright DonDirector4,391——21,140— plan?
Sep 30, 2016 AForm 4 →Sep 30, 4:53 pm EDTPaul V MaierDirector4,391——19,561— plan?
Sep 30, 2016 AForm 4 →Sep 30, 4:52 pm EDTCharles J CasamentoDirector4,391——20,640— plan?
Sep 14, 2016 PForm 4 →Sep 15, 2:04 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner200,000$1.75$350,0001,221,436+19.6% plan?
Aug 22, 2016 PForm 4 →Aug 23, 2:22 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner154,285$1.75$269,9991,021,436+17.8% plan?
Jun 30, 2016 AForm 4 →Jun 30, 5:56 pm EDTWright DonDirector4,042——16,749— plan?
Jun 30, 2016 AForm 4 →Jun 30, 5:55 pm EDTPaul V MaierDirector4,042——15,170— plan?
Jun 30, 2016 AForm 4 →Jun 30, 5:54 pm EDTCharles J CasamentoDirector4,042——16,249— plan?
Jun 29, 2016 PForm 4 →Jun 30, 5:56 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner215,000$1.75$376,250867,151+33.0% plan?
Jun 29, 2016 XForm 4 →Jun 30, 5:54 pm EDTRussell KernEVP & Chief Scientific Officer, Director, 10% Owner12,408$1.75$21,714142,009— plan?
Mar 31, 2016 AForm 4 →Apr 4, 5:08 pm EDTWright DonDirector2,104——12,707— plan?
Mar 31, 2016 AForm 4 →Apr 4, 5:07 pm EDTPaul V MaierDirector2,104——11,128— plan?
Mar 31, 2016 AForm 4 →Apr 4, 5:07 pm EDTCharles J CasamentoDirector2,104——12,207— plan?
Dec 31, 2015 AForm 4 →Dec 31, 2:40 pm ESTWright DonDirector2,403——10,603— plan?
Dec 31, 2015 AForm 4 →Dec 31, 2:40 pm ESTPaul V MaierDirector2,403——9,024— plan?
Dec 31, 2015 AForm 4 →Dec 31, 2:39 pm ESTCharles J CasamentoDirector2,403——10,103— plan?
Nov 23, 2015 CXForm 4 →Nov 25, 4:48 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner251,194$1.79$450,466652,151— plan?
Nov 23, 2015 CForm 4 →Nov 25, 4:48 pm ESTRussell KernChief Scientific Officer, Director, 10% Owner66,916$1.79$120,000129,601— plan?
Sep 30, 2015 AForm 4 →Oct 2, 11:05 am EDTWright DonDirector2,011——8,200— plan?
Sep 30, 2015 AForm 4 →Oct 2, 11:04 am EDTPaul V MaierDirector2,011——6,621— plan?
Sep 30, 2015 AForm 4 →Oct 2, 11:03 am EDTCharles J CasamentoDirector2,011——7,700— plan?
Jun 30, 2015 AForm 4 →Jul 2, 1:13 pm EDTWright DonDirector181,767——928,324— plan?
Jun 30, 2015 AForm 4 →Jul 2, 1:12 pm EDTPaul V MaierDirector181,767——691,449— plan?
Jun 30, 2015 AForm 4 →Jul 2, 1:11 pm EDTCharles J CasamentoDirector181,767——853,344— plan?
Apr 8, 2015 AForm 4 →Apr 8, 8:46 pm EDTWright DonDirector99,946——746,557— plan?
Apr 8, 2015 AForm 4 →Apr 8, 8:45 pm EDTPaul V MaierDirector99,946——509,682— plan?
Apr 8, 2015 AForm 4 →Apr 8, 8:45 pm EDTCharles J CasamentoDirector99,946——671,577— plan?
Apr 3, 2015 AForm 4 →Apr 3, 4:06 pm EDTWright DonDirector76,958——646,611— plan?
Apr 3, 2015 AForm 4 →Apr 3, 4:00 pm EDTPaul V MaierDirector76,958——409,736— plan?
Mar 31, 2015 PForm 4 →Apr 2, 7:18 pm EDTRuslan SemechkinChief Scientific Officer, Director, 10% Owner1,861,331$0.0448$83,3889,402,715+24.7% plan?
Mar 31, 2015 PForm 4 →Apr 2, 7:17 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner5,894,214$0.0448$264,06160,143,521+10.9% plan?
Mar 6, 2015 AForm 4 →Mar 23, 8:40 pm EDTCharles J CasamentoDirector76,958——571,611— plan? late
Feb 23, 2015 PForm 4 →Feb 24, 8:46 pm ESTRuslan SemechkinChief Scientific Officer, Director, 10% Owner1,861,331$0.0448$83,3887,541,384+32.8% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 DForm 4 →Sep 17, 8:46 pm EDTPaul V MaierDirector30,000——0—
Jun 11, 2026 AForm 4 →Jun 23, 8:31 pm EDTWright DonDirector212,584——182,584— late
Jun 11, 2026 AForm 4 →Jun 23, 8:30 pm EDTPaul V MaierDirector212,584——182,584— late
Feb 28, 2019 AForm 4 →Mar 4, 4:39 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner150,000——150,000—
Feb 28, 2019 AForm 4 →Mar 4, 4:39 pm ESTRussell KernEVP and CSO, Director, 10% Owner120,000——120,000—
Feb 28, 2019 AForm 4 →Mar 4, 4:38 pm ESTSophia GarnetteVP, Legal Affairs & Operations120,000——120,000—
Dec 4, 2018 MForm 4 →Dec 6, 7:59 am ESTSophia GarnetteVP, Legal Affairs & Operations10,636——40,273—
Dec 3, 2018 MForm 4 →Dec 6, 8:02 am ESTRussell KernEVP and CSO, Director, 10% Owner1,800——88,200—
Oct 2, 2018 MForm 4 →Oct 3, 4:45 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,494——47,858—
Aug 21, 2018 MForm 4 →Aug 22, 6:14 pm EDTSophia GarnetteVP, Legal Affairs & Operation4,900——49,352—
Aug 20, 2018 MForm 4 →Aug 21, 4:57 pm EDTSophia GarnetteVP, Legal Affairs & Operation9,304——54,252—
Aug 15, 2018 AForm 4/A →Sep 27, 3:03 pm EDTRussell KernEVP and CSO, Director, 10% Owner100,000——100,000—
Aug 15, 2018 AForm 4/A →Sep 27, 3:02 pm EDTSophia GarnetteVP, Legal Affairs & Operation300,000——300,000—
Aug 15, 2018 AForm 4/A →Sep 27, 3:02 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner150,000——150,000—
Aug 15, 2018 AForm 4/A →Aug 21, 1:33 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner150,000——150,000— amended
Aug 15, 2018 AForm 4/A →Aug 21, 1:32 pm EDTRussell KernEVP and CSO, Director, 10% Owner100,000——100,000— amended
Aug 15, 2018 AForm 4 →Aug 17, 1:18 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner150,000——150,000— amended
Aug 15, 2018 AForm 4 →Aug 17, 1:17 pm EDTRussell KernEVP and CSO, Director, 10% Owner100,000——100,000— amended
Aug 15, 2018 AForm 4 →Aug 17, 1:17 pm EDTSophia GarnetteVP, Legal Affairs & Operation300,000——300,000— amended
Jul 13, 2018 MForm 4 →Jul 17, 5:46 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,100——14,667—
Jul 10, 2018 MForm 4 →Jul 12, 5:20 pm EDTSophia GarnetteVP, Legal Affairs & Operation2,833——15,767—
Jun 26, 2018 MForm 4 →Jun 28, 5:53 pm EDTSophia GarnetteVP, Legal Affairs & Operation200——18,600—
Jun 25, 2018 MForm 4 →Jun 27, 6:05 pm EDTSophia GarnetteVP, Legal Affairs & Operation1,200——18,800—
Jun 21, 2018 AForm 4 →Jun 25, 4:19 pm EDTWright DonDirector77,117——30,000—
Jun 21, 2018 AForm 4 →Jun 25, 4:18 pm EDTPaul V MaierDirector77,117——30,000—
Mar 30, 2018 AForm 4 →Apr 3, 6:37 pm EDTWright DonDirector11,054——11,054—
Mar 30, 2018 AForm 4 →Apr 3, 6:36 pm EDTPaul V MaierDirector11,054——11,054—
Mar 12, 2018 AForm 4 →Mar 14, 4:18 pm EDTRussell KernEVP and CSO, Director, 10% Owner150,000——150,000—
Mar 12, 2018 AForm 4 →Mar 14, 4:17 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner200,000——200,000—
Feb 20, 2018 MForm 4 →Feb 22, 3:34 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner46,112——54,444—
Feb 20, 2018 MForm 4 →Feb 22, 3:33 pm ESTRussell KernEVP and CSO, Director, 10% Owner36,389——31,111—
Dec 29, 2017 AForm 4 →Jan 2, 2018, 5:19 pm ESTWright DonDirector10,350——10,350—
Dec 29, 2017 AForm 4 →Jan 2, 2018, 5:18 pm ESTPaul V MaierDirector10,350——10,350—
Sep 29, 2017 AForm 4 →Oct 2, 7:49 pm EDTWright DonDirector8,830——8,830—
Sep 29, 2017 AForm 4 →Oct 2, 7:49 pm EDTPaul V MaierDirector8,830——8,830—
Aug 25, 2017 AForm 4 →Aug 30, 2:12 pm EDTJennifer StephensActing Chief Financial Officer70,000$1.25$87,500150,000— late
Jun 30, 2017 AForm 4 →Jul 5, 5:49 pm EDTWright DonDirector14,254——14,254—
Jun 30, 2017 AForm 4 →Jul 5, 5:48 pm EDTPaul V MaierDirector14,254——14,254—
May 31, 2017 AForm 4 →Jun 2, 1:20 pm EDTWright DonDirector30,000——30,000—
May 31, 2017 AForm 4 →Jun 2, 1:20 pm EDTPaul V MaierDirector30,000——30,000—
May 31, 2017 AForm 4 →Jun 2, 1:19 pm EDTCharles J CasamentoDirector30,000——30,000—
May 31, 2017 AForm 4 →Jun 1, 4:21 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner70,000——70,000—
May 31, 2017 AForm 4 →Jun 1, 4:21 pm EDTRussell KernEVP and CSO, Director, 10% Owner40,000——40,000—
May 31, 2017 AForm 4 →Jun 1, 4:20 pm EDTSophia GarnetteVP, Legal Affairs & Operations60,000——60,000—
May 31, 2017 AForm 4 →Jun 1, 4:20 pm EDTMahnaz EbrahimiChief Financial Officer40,000——40,000—
Feb 10, 2017 AForm 4 →Feb 14, 3:36 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner100,000——100,000—
Feb 10, 2017 AForm 4 →Feb 14, 3:35 pm ESTRussell KernEVP and CSO, Director, 10% Owner90,000——90,000—
Feb 10, 2017 AForm 4 →Feb 14, 3:35 pm ESTSophia GarnetteVP, Legal Affairs & Operation20,000——20,000—
Feb 10, 2017 AForm 4 →Feb 14, 3:35 pm ESTMahnaz EbrahimiChief Financial Officer40,000——40,000—
Dec 8, 2016 XForm 4 →Dec 8, 7:03 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner285,714——0—
Sep 14, 2016 XForm 4 →Sep 15, 2:04 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner200,000——0—
Aug 22, 2016 XForm 4 →Aug 23, 2:22 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner154,285——0—
Jun 29, 2016 XForm 4 →Jun 30, 5:56 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner215,000——0—
Jun 29, 2016 XForm 4 →Jun 30, 5:54 pm EDTRussell KernEVP & Chief Scientific Officer, Director, 10% Owner12,408——0—
May 17, 2016 AForm 4 →May 18, 4:18 pm EDTWright DonDirector30,000——30,000—
May 17, 2016 AForm 4 →May 18, 4:18 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner200,000——200,000—
May 17, 2016 AForm 4 →May 18, 4:17 pm EDTPaul V MaierDirector30,000——30,000—
May 17, 2016 AForm 4 →May 18, 4:17 pm EDTMahnaz EbrahimiChief Financial Officer24,000——24,000—
May 17, 2016 AForm 4 →May 18, 4:16 pm EDTCharles J CasamentoDirector30,000——30,000—
Mar 24, 2016 AForm 4 →Mar 28, 6:43 pm EDTRussell KernEVP, Chief Scientific Officer, Director, 10% Owner180,000——180,000—
Mar 24, 2016 AForm 4 →Mar 28, 6:42 pm EDTMahnaz EbrahimiChief Financial Officer20,000——20,000—
Mar 24, 2016 AForm 4 →Mar 28, 6:42 pm EDTSofya BakalovaVP Legal Affairs & Operations120,000——120,000—
Mar 15, 2016 PForm 4 →Mar 18, 4:29 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner7,392,878$1,000.00$4,310,0002,462,856— late
Nov 23, 2015 CXForm 4 →Nov 25, 4:48 pm ESTAndrey SemechkinChief Executive Officer, Director, 10% Owner39,674——0—
Nov 23, 2015 CForm 4 →Nov 25, 4:48 pm ESTRussell KernChief Scientific Officer, Director, 10% Owner120——0—
Sep 14, 2015 AForm 4 →Sep 16, 3:36 pm EDTMahnaz EbrahimiChief Financial Officer65,000——65,000—
Mar 31, 2015 XForm 4 →Apr 2, 7:18 pm EDTRuslan SemechkinChief Scientific Officer, Director, 10% Owner1,861,331——0—
Mar 31, 2015 CForm 4 →Apr 2, 7:17 pm EDTAndrey SemechkinChief Executive Officer, Director, 10% Owner5,894,214——0—
Mar 12, 2015 AForm 4 →Mar 13, 8:52 pm EDTJohn Simon CrawExecutive Vice President60,000——60,000—
Mar 12, 2015 AForm 4 →Mar 13, 8:51 pm EDTSofya BakalovaVice President200,000——200,000—
Feb 23, 2015 XForm 4 →Feb 24, 8:46 pm ESTRuslan SemechkinChief Scientific Officer, Director, 10% Owner1,861,331——0—