Sirius Investors

Insider Trading for GCTK

View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.

Insider Trading Summary

Shares Acquired10.7M
Past 100 transactions
Shares Disposed273.0K
Past 100 transactions
Net Position10.5M
Overall insider sentiment: bullish

Recent Activity (30 Days)

No insider transactions in the past 30 days.

Quarterly Activity (3 Months)

No insider transactions in the past 3 months.

Key Insider Activity: Mar 20, 2017 to Mar 26, 2025

John A. Ballantyne Revocable Living Trust dated 08/01/2017
Other10 Percent Owner
+3.1M shares
9 transactions
BALLANTYNE JOHN
DirectorDirector, 10 Percent Owner:
+3.1M shares
10 transactions
GRAHAM JOHN A
ExecutiveCorporate Officer
+2.5M shares
2 transactions
Malka David
ExecutivePresident
+653.5K shares
3 transactions
podwalski david
ExecutiveCorporate Officer
+290.6K shares
2 transactions

Transaction Details

Show Less
DateInsiderRoleTransactionSharesPriceValueOwned AfterSEC Filing
Mar 26, 2025BALLANTYNE JOHNDDirector, 10 Percent Owner: Award/Grant4.1K$0.00$0.004.1KView
Mar 26, 2025Malave LuisDDirectorAward/Grant2.1K$0.00$0.00143.6KView
Mar 26, 2025Carter Erin CatherineDDirectorAward/Grant1.9K$0.00$0.0045.6KView
Mar 26, 2025Danzig AllenDDirectorAward/Grant1.5K$0.00$0.001.9KView
Mar 26, 2025Balo Andrew KDDirectorAward/Grant4.5K$0.00$0.004.5KView
Mar 26, 2025Fischell RobertDDirectorAward/Grant1.5K$0.00$0.002.0KView
Mar 12, 2025John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerX-InTheMoney2.6M$0.00$0.002.7MView
Mar 12, 2025John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerX-InTheMoney132.0K$0.00$0.000View
Mar 12, 2025BALLANTYNE JOHNDDirector, 10 Percent Owner: X-InTheMoney2.6M$0.00$0.002.7MView
Mar 12, 2025BALLANTYNE JOHNDDirector, 10 Percent Owner: X-InTheMoney132.0K$0.00$0.000View
Mar 12, 2025Malave LuisDDirectorX-InTheMoney133.5K$0.00$0.00141.5KView
Mar 12, 2025Malave LuisDDirectorX-InTheMoney6.9K$0.00$0.000View
Mar 12, 2025Carter Erin CatherineDDirectorX-InTheMoney40.3K$0.00$0.0043.7KView
Mar 12, 2025Carter Erin CatherineDDirectorX-InTheMoney2.1K$0.00$0.000View
Mar 12, 2025Goode PaulECorporate OfficerX-InTheMoney15.4K$0.00$0.0019.0KView
Mar 12, 2025Goode PaulECorporate OfficerX-InTheMoney796$0.00$0.000View
Feb 5, 2025Goode PaulECorporate OfficerJ-Other1.5K$0.00$0.003.6KView
Jan 28, 2025Wulff Peter CEOfficer0$0.00$0.000View
Nov 14, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerJ-Other132.0K$31.00$4,093,116.00183.0KView
Nov 14, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerAward/Grant132.0K$5.60$739,401.60132.0KView
Nov 14, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerAward/Grant132.0K$5.60$739,401.60132.0KView
Nov 14, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: J-Other132.0K$31.00$4,093,116.00183.0KView
Nov 14, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: Award/Grant132.0K$5.60$739,401.60132.0KView
Nov 14, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: Award/Grant132.0K$5.60$739,401.60132.0KView
Nov 14, 2024Malave LuisDDirectorC-Conversion6.9K$31.20$214,843.208.0KView
Nov 14, 2024Malave LuisDDirectorAward/Grant6.9K$5.60$38,561.606.9KView
Nov 14, 2024Malave LuisDDirectorAward/Grant6.9K$5.60$38,561.606.9KView
Nov 14, 2024Malave LuisDDirectorC-Conversion0$31.20$0.000View
Nov 14, 2024Carter Erin CatherineDDirectorC-Conversion2.1K$31.20$64,833.603.4KView
Nov 14, 2024Carter Erin CatherineDDirectorAward/Grant2.1K$5.60$11,636.802.1KView
Nov 14, 2024Carter Erin CatherineDDirectorAward/Grant2.1K$5.60$11,636.802.1KView
Nov 14, 2024Carter Erin CatherineDDirectorC-Conversion0$31.20$0.000View
Nov 14, 2024Goode PaulECorporate OfficerC-Conversion796$31.20$24,835.202.1KView
Nov 14, 2024Goode PaulECorporate OfficerAward/Grant796$5.60$4,457.60796View
Nov 14, 2024Goode PaulECorporate OfficerAward/Grant796$5.60$4,457.60796View
Nov 14, 2024Goode PaulECorporate OfficerC-Conversion0$31.20$0.000View
Aug 16, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: 0$0.00$0.001.0MView
Jul 30, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerPurchase106.7K$37.50$4,000,012.50106.7KView
Jul 30, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerPurchase76.2K$52.50$4,000,027.5076.2KView
Jul 30, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent OwnerPurchase59.3K$67.50$4,000,050.0059.3KView
Jul 30, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: Purchase106.7K$37.50$4,000,012.50106.7KView
Jul 30, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: Purchase76.2K$52.50$4,000,027.5076.2KView
Jul 30, 2024BALLANTYNE JOHNDDirector, 10 Percent Owner: Purchase59.3K$67.50$4,000,050.0059.3KView
Jul 30, 2024John A. Ballantyne Revocable Living Trust dated 08/01/201710 Percent Owner0$0.00$0.0051.0KView
Jul 18, 2024Malave LuisDDirectorPurchase0$31.20$0.000View
Jul 18, 2024Carter Erin CatherineDDirectorPurchase0$31.20$0.000View
Jul 18, 2024Goode PaulECorporate OfficerPurchase0$31.20$0.000View
Jul 1, 2024Goode PaulECorporate OfficerPurchase2.1K$99.00$207,900.002.1KView
Jul 1, 2024SYCOFF DREWDDirector, 10 Percent Owner: Purchase138.0K$4.95$683,100.00138.0KView
Jul 1, 2024Goode PaulECorporate OfficerPurchase42.0K$4.95$207,900.0042.0KView
Jun 14, 2024Goode PaulECorporate OfficerAward/Grant3.3K$49.00$160,573.003.3KView
Jun 14, 2024Balo Andrew KDDirector: 0$0.00$0.000View
Apr 22, 2024Goode PaulECorporate Officer0$0.00$0.00398.8KView
Apr 22, 2024SYCOFF DREWDDirector, 10 Percent Owner: Purchase182.5K$1.26$229,999.903.0MView
Apr 8, 2024Malave LuisDDirectorAward/Grant489$0.00$0.001.1KView
Apr 8, 2024Carter Erin CatherineDDirectorAward/Grant458$0.00$0.001.4KView
Apr 8, 2024Danzig AllenDDirectorAward/Grant229$0.00$0.00424View
Apr 8, 2024Fischell RobertDDirectorAward/Grant229$0.00$0.00547View
Dec 31, 2023Malave LuisDDirectorAward/Grant362$0.00$0.00634View
Dec 31, 2023Carter Erin CatherineDDirectorAward/Grant903$0.00$0.00903View
Oct 11, 2023Cardwell James SEOfficer0$0.00$0.000View
Aug 25, 2023Carter Erin CatherineDDirector: 0$0.00$0.000View
Apr 20, 2023Malave LuisDDirectorAward/Grant121$0.00$0.00272View
Jan 9, 2023Malave LuisDDirectorAward/Grant29$0.00$0.00151View
Oct 4, 2022Malave LuisDDirectorAward/Grant44$0.00$0.00122View
Oct 4, 2022Danzig AllenDDirectorAward/Grant44$0.00$0.00195View
Jun 30, 2022Malave LuisDDirectorAward/Grant34$0.00$0.0078View
May 17, 2022Danzig AllenDDirector0$0.00$0.0015.0KView
Mar 31, 2022Malave LuisDDirectorAward/Grant25$0.00$0.0044View
Dec 31, 2021Malave LuisDDirectorAward/Grant11$0.00$0.0019View
Sep 30, 2021Malave LuisDDirectorAward/Grant8$0.00$0.008View
Aug 24, 2021Fischell RobertDDirectorAward/Grant318$0.00$0.00318View
Jun 22, 2021Malave LuisDDirector: 0$0.00$0.000View
Jul 30, 2019Rapps Shimon DDDirector: 0$0.00$0.000View
Jul 8, 2019SYCOFF DREWDDirector0$0.00$0.00952.5KView
Jul 1, 2019SYCOFF DREWDDirector3.5M$0.26$907,064.270View
Jul 1, 2019SYCOFF DREWDDirector108.3K$1.80$194,949.000View
Jul 1, 2019SYCOFF DREWDDirector108.3K$3.60$389,898.000View
Jul 1, 2019SYCOFF DREWDDirector108.3K$5.40$584,847.000View
Jun 26, 2017podwalski davidECorporate OfficerAward/Grant290.6K$4.50$1,307,632.50290.6KView
Jun 26, 2017podwalski davidEOfficer0$0.00$0.000View
Jun 1, 2017Fischell RobertDDirectorAward/Grant22.7K$0.00$0.0022.7KView
Jun 1, 2017Hauck MichaelDDirectorAward/Grant22.7K$0.00$0.0022.7KView
Jun 1, 2017Hauck MichaelDDirectorAward/Grant14.9K$4.50$67,023.0014.9KView
Jun 1, 2017SCHWARTZ REVANDDirectorAward/Grant22.7K$0.00$0.0022.7KView
Jun 1, 2017Seff LeslieDDirectorAward/Grant22.7K$0.00$0.0022.7KView
Jun 1, 2017BOYDSTON ANGELA STRANDECorporate OfficerAward/Grant25.3K$0.00$0.0025.3KView
Jun 1, 2017BOYDSTON ANGELA STRANDECorporate OfficerAward/Grant14.9K$4.50$67,023.0014.9KView
Jun 1, 2017Fischell RobertDDirectorAward/Grant22.7K$1.98$44,999.4622.7KView
Jun 1, 2017Fischell RobertDDirectorAward/Grant14.9K$4.50$67,023.0014.9KView
Jun 1, 2017Seff LeslieDDirectorAward/Grant22.7K$1.98$44,999.4622.7KView
Jun 1, 2017Seff LeslieDDirectorAward/Grant14.9K$4.50$67,023.0014.9KView
Jun 1, 2017SCHWARTZ REVANDDirectorAward/Grant22.7K$1.98$44,999.4622.7KView
Jun 1, 2017SCHWARTZ REVANDDirectorAward/Grant14.9K$4.50$67,023.0014.9KView
May 23, 2017Hauck MichaelDDirector: 0$0.00$0.000View
Apr 13, 2017Malka DavidEPresidentAward/Grant361.9K$4.50$1,628,437.50361.9KView
Apr 13, 2017Malka DavidEPresidentAward/Grant266.6K$7.75$2,066,281.75266.6KView
Apr 13, 2017Malka DavidEPresidentAward/Grant25.0K$4.50$112,500.0025.0KView
Mar 20, 2017GRAHAM JOHN AECorporate OfficerAward/Grant1.7M$4.50$7,532,982.001.7MView
Mar 20, 2017GRAHAM JOHN AECorporate OfficerAward/Grant844.1K$7.75$6,542,007.50844.1KView
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.

Executive Activity:

Executives have been net buyers of GCTK stock, which is typically a strong positive signal.