Last 12 months
Inside the activity.
2 purchase rows · 18 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 2 | 1 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 4 |
| Apr 2026 | 0 | 6 |
| May 2026 | 0 | 1 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 4 |
| Aug 2026 | 0 | 0 |
| Sep 2026 | 0 | 2 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 28, 2018 Filed Mar 2, 2018 21:39 UTC |
Benaim ElyChief Medical Officer
|
Exercise / conversionCommon Stock | 2,375 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-18-011667 · form4.xml · nonDerivative · entry 1 Benaim Ely · CIK 0001632237 · Chief Medical Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 2,375 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| January 26, 2018 Filed Jan 30, 2018 16:39 UTC |
Suzdak Peter DavidDirector · Chief Executive Officer
|
GrantStock Option (right to buy) · Derivative | 112,271 | $0.00 Strike: $2.29 | $0.00 |
DisclosureSEC source: 0001140361-18-003900 · form4.xml · derivative · entry 1 Suzdak Peter David · CIK 0001296629 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 112,271 Underlying: Common Stock · 112,271 shares Expires 2028-01-26 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 26, 2019, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 26, 2018 Filed Jan 30, 2018 21:31 UTC |
Nolan LisaChief Business Officer
|
GrantStock Option (right to buy) · Derivative | 42,101 | $0.00 Strike: $2.29 | $0.00 |
DisclosureSEC source: 0001140361-18-003894 · form4.xml · derivative · entry 1 Nolan Lisa · CIK 0001661400 · Chief Business Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 42,101 Underlying: Common Stock · 42,101 shares Expires 2028-01-26 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 26, 2019, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 26, 2018 Filed Jan 30, 2018 21:26 UTC |
Benaim ElyChief Medical Officer
|
GrantStock Option (right to buy) · Derivative | 45,443 | $0.00 Strike: $2.29 | $0.00 |
DisclosureSEC source: 0001140361-18-003889 · form4.xml · derivative · entry 1 Benaim Ely · CIK 0001632237 · Chief Medical Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 45,443 Underlying: Common Stock · 45,443 shares Expires 2028-01-26 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 26, 2019, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 02, 2018 Filed Jan 4, 2018 21:56 UTC |
Swirsky Douglas JPresident and CFO
|
GrantStock Option (right to buy) · Derivative | 250,000 | $0.00 Strike: $2.10 | $0.00 |
DisclosureSEC source: 0001140361-18-000861 · form4.xml · derivative · entry 1 Swirsky Douglas J · CIK 0001375884 · President and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 250,000 Underlying: Common Stock · 250,000 shares Expires 2028-01-02 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 2, 2019, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month following such date until fully vested. Read SEC document |
| August 16, 2017 Filed Aug 16, 2017 16:05 UTC |
Suzdak Peter DavidDirector · Chief Executive Officer
|
GrantCommon Stock | 10,000 | $1.99 | $19,872.00 |
DisclosureSEC source: 0001140361-17-032420 · form4.xml · nonDerivative · entry 1 Suzdak Peter David · CIK 0001296629 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 16,000 F1 · price: The price of $1.9872 per share represents a weighted average of purchase prices ranging from $1.96 to $2.01 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Read SEC document |
| April 11, 2017 Filed Apr 12, 2017 21:21 UTC |
Brandt Peter C.Director
|
GrantStock Option (right to buy) · Derivative | 110,000 | $0.00 Strike: $0.62 | $0.00 |
DisclosureSEC source: 0001140361-17-015706 · form4.xml · derivative · entry 1 Brandt Peter C. · CIK 0001434099 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 110,000 Underlying: Common Stock · 110,000 shares Expires 2027-04-11 Read SEC document |
| April 11, 2017 Filed Apr 12, 2017 17:28 UTC |
CARTHY MARKDirector
|
GrantStock Option (right to buy) · Derivative | 110,000 | $0.00 Strike: $0.62 | $0.00 |
DisclosureSEC source: 0001140361-17-015716 · form4.xml · derivative · entry 1 CARTHY MARK · CIK 0001286397 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 110,000 Underlying: Common Stock · 110,000 shares Expires 2027-04-11 Read SEC document |
| April 11, 2017 Filed Apr 12, 2017 21:26 UTC |
Cheong Kwang SooDirector
|
GrantStock Option (right to buy) · Derivative | 110,000 | $0.00 Strike: $0.62 | $0.00 |
DisclosureSEC source: 0001140361-17-015714 · form4.xml · derivative · entry 1 Cheong Kwang Soo · CIK 0001361686 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 110,000 Underlying: Common Stock · 110,000 shares Expires 2027-04-11 Read SEC document |
| April 11, 2017 Filed Apr 12, 2017 21:25 UTC |
Rodgers Richard JDirector
|
GrantStock Option (right to buy) · Derivative | 110,000 | $0.00 Strike: $0.62 | $0.00 |
DisclosureSEC source: 0001140361-17-015709 · form4.xml · derivative · entry 1 Rodgers Richard J · CIK 0001313397 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 110,000 Underlying: Common Stock · 110,000 shares Expires 2027-04-11 Read SEC document |
| April 11, 2017 Filed Apr 12, 2017 21:20 UTC |
Beever CharlesDirector
|
GrantStock Option (right to buy) · Derivative | 110,000 | $0.00 Strike: $0.62 | $0.00 |
DisclosureSEC source: 0001140361-17-015704 · form4.xml · derivative · entry 1 Beever Charles · CIK 0001361687 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 110,000 Underlying: Common Stock · 110,000 shares Expires 2027-04-11 Read SEC document |
| April 10, 2017 Filed Apr 12, 2017 17:26 UTC |
Ahn Chang HoDirector
|
Exercise / conversionStock Option (right to purchase) · Derivative | 250,000 | $0.00 Strike: $0.31 | $0.00 |
DisclosureSEC source: 0001140361-17-015713 · form4.xml · derivative · entry 4 Ahn Chang Ho · CIK 0001316420 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 250,000 shares Expires 2023-03-01 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. F4 · derivative.exercise_date: The options vested and became exercisable based on the following schedule: 75,000 on March 1, 2014, 75,000 on March 1, 2015 and 100,000 on March 1, 2016. Read SEC document |
| April 10, 2017 Filed Apr 12, 2017 17:26 UTC |
Ahn Chang HoDirector
|
SaleCommon Stock | 250,000 | $0.70 | $175,375.00 |
DisclosureSEC source: 0001140361-17-015713 · form4.xml · nonDerivative · entry 2 Ahn Chang Ho · CIK 0001316420 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 6,010,000 F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 17, 2016. F2 · price: The price of $0.7015 per share represents a weighted average. The shares were sold in multiple transactions at prices ranging from $0.70 to $0.709 per share, inclusive. The reporting person undertakes to provide upon request of the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein. Read SEC document |
| April 10, 2017 Filed Apr 12, 2017 17:26 UTC |
Ahn Chang HoDirector
|
Exercise / conversionCommon Stock | 250,000 | $0.31 | $77,500.00 |
DisclosureSEC source: 0001140361-17-015713 · form4.xml · nonDerivative · entry 1 Ahn Chang Ho · CIK 0001316420 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 6,260,000 Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:52 UTC |
Jeong Tae HeumChief Financial Officer
|
GrantRestricted Stock Units · Derivative | 63,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-17-002737 · form4.xml · derivative · entry 2 Jeong Tae Heum · CIK 0001317190 · Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 63,000 Underlying: Common Stock · 63,000 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock. F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:52 UTC |
Jeong Tae HeumChief Financial Officer
|
GrantStock Option (right to buy) · Derivative | 300,000 | $0.00 Strike: $0.18 | $0.00 |
DisclosureSEC source: 0001140361-17-002737 · form4.xml · derivative · entry 1 Jeong Tae Heum · CIK 0001317190 · Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 300,000 Underlying: Common Stock · 300,000 shares Expires 2027-01-20 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 20, 2018, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:42 UTC |
Ahn Chang HoDirector
|
GrantRestricted Stock Units · Derivative | 70,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-17-002733 · form4.xml · derivative · entry 2 Ahn Chang Ho · CIK 0001316420 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 70,000 Underlying: Common Stock · 70,000 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock. F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:42 UTC |
Ahn Chang HoDirector
|
GrantStock Option (right to buy) · Derivative | 330,000 | $0.00 Strike: $0.18 | $0.00 |
DisclosureSEC source: 0001140361-17-002733 · form4.xml · derivative · entry 1 Ahn Chang Ho · CIK 0001316420 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 330,000 Underlying: Common Stock · 330,000 shares Expires 2027-01-20 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 20, 2018, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:50 UTC |
Suzdak Peter DavidDirector · Chief Executive Officer
|
GrantRestricted Stock Units · Derivative | 250,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-17-002736 · form4.xml · derivative · entry 2 Suzdak Peter David · CIK 0001296629 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 250,000 Underlying: Common Stock · 250,000 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock. F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 17:50 UTC |
Suzdak Peter DavidDirector · Chief Executive Officer
|
GrantStock Option (right to buy) · Derivative | 1,175,000 | $0.00 Strike: $0.18 | $0.00 |
DisclosureSEC source: 0001140361-17-002736 · form4.xml · derivative · entry 1 Suzdak Peter David · CIK 0001296629 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,175,000 Underlying: Common Stock · 1,175,000 shares Expires 2027-01-20 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 20, 2018, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 22:48 UTC |
Benaim ElyChief Medical Officer
|
GrantRestricted Stock Units · Derivative | 95,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-17-002735 · form4.xml · derivative · entry 2 Benaim Ely · CIK 0001632237 · Chief Medical Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 95,000 Underlying: Common Stock · 95,000 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock. F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 22:48 UTC |
Benaim ElyChief Medical Officer
|
GrantStock Option (right to buy) · Derivative | 450,000 | $0.00 Strike: $0.18 | $0.00 |
DisclosureSEC source: 0001140361-17-002735 · form4.xml · derivative · entry 1 Benaim Ely · CIK 0001632237 · Chief Medical Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 450,000 Underlying: Common Stock · 450,000 shares Expires 2027-01-20 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 20, 2018, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 22:45 UTC |
Nolan LisaChief Business Officer
|
GrantRestricted Stock Units · Derivative | 65,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001140361-17-002734 · form4.xml · derivative · entry 2 Nolan Lisa · CIK 0001661400 · Chief Business Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 65,000 Underlying: Common Stock · 65,000 shares Expires not disclosed F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of common stock. F3 · derivative.exercise_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. F3 · derivative.expiration_date: The restricted stock units vest in four equal annual installments on the last business day in February, beginning February 28, 2018. Read SEC document |
| January 20, 2017 Filed Jan 24, 2017 22:45 UTC |
Nolan LisaChief Business Officer
|
GrantStock Option (right to buy) · Derivative | 315,000 | $0.00 Strike: $0.18 | $0.00 |
DisclosureSEC source: 0001140361-17-002734 · form4.xml · derivative · entry 1 Nolan Lisa · CIK 0001661400 · Chief Business Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 315,000 Underlying: Common Stock · 315,000 shares Expires 2027-01-20 F1 · derivative.exercise_date: One quarter of the option vests and becomes exercisable on January 20, 2018, and, thereafter, 1/36th of the remaining option vests in equal installments on the first business day of each month until fully vested. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.