Last 12 months
Inside the activity.
12 purchase rows · 33 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 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 10 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 3 |
| Jun 2026 | 0 | 12 |
| Jul 2026 | 0 | 4 |
| Aug 2026 | 2 | 7 |
| Sep 2026 | 0 | 7 |
| 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 |
|---|---|---|---|---|---|---|
| October 07, 2019 Filed Oct 8, 2019 00:30 UTC |
Loose Christopher R.Chief Scientific Officer
|
ConversionCommon Stock | 6,708 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025214 · doc4.xml · nonDerivative · entry 1 Loose Christopher R. · CIK 0001785299 · Chief Scientific Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 205,282 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. F1 · shares: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 8, 2019 20:31 UTC |
COHEN MARC ADirector
|
ConversionSeries C Preferred Stock · Derivative | 163,388 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025352 · doc4.xml · derivative · entry 5 COHEN MARC A · CIK 0001132945 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · The Marc Andrew Cohen Revocable Trust Disclosed balance after: 0 Underlying: Common Stock · 24,258 shares Expires not disclosed 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. F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 8, 2019 20:31 UTC |
COHEN MARC ADirector
|
ConversionSeries B Preferred Stock · Derivative | 543,219 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025352 · doc4.xml · derivative · entry 4 COHEN MARC A · CIK 0001132945 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · The Marc Andrew Cohen Revocable Trust Disclosed balance after: 0 Underlying: Common Stock · 80,650 shares Expires not disclosed 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. F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 8, 2019 20:31 UTC |
COHEN MARC ADirector
|
ConversionSeries A Preferred Stock · Derivative | 2,292,235 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025352 · doc4.xml · derivative · entry 3 COHEN MARC A · CIK 0001132945 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · The Marc Andrew Cohen Revocable Trust Disclosed balance after: 0 Underlying: Common Stock · 340,321 shares Expires not disclosed 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. F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 8, 2019 20:31 UTC |
COHEN MARC ADirector
|
PurchaseCommon Stock | 17,857 | $14.00 | $249,998.00 |
DisclosureSEC source: 0000899243-19-025352 · doc4.xml · nonDerivative · entry 2 COHEN MARC A · CIK 0001132945 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 17,857 Read SEC document |
| October 07, 2019 Filed Oct 8, 2019 20:31 UTC |
COHEN MARC ADirector
|
ConversionCommon Stock | 445,229 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025352 · doc4.xml · nonDerivative · entry 1 COHEN MARC A · CIK 0001132945 · Director 10b5-1 filing: Not disclosed Ownership: Indirect · The Marc Andrew Cohen Revocable Trust Disclosed balance after: 517,704 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. F1 · shares: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 00:30 UTC |
Mitrano Richard J.VP Finance & Operations
|
ConversionSeries B Preferred Stock · Derivative | 27,160 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025351 · doc4.xml · derivative · entry 3 Mitrano Richard J. · CIK 0001785287 · VP Finance & Operations 10b5-1 filing: Not disclosed Ownership: Indirect · The Carey/Mitrano Family Trust Disclosed balance after: 0 Underlying: Common Stock · 4,032 shares Expires not disclosed 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. F1 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 00:30 UTC |
Mitrano Richard J.VP Finance & Operations
|
PurchaseCommon Stock | 107 | $14.00 | $1,498.00 |
DisclosureSEC source: 0000899243-19-025351 · doc4.xml · nonDerivative · entry 2 Mitrano Richard J. · CIK 0001785287 · VP Finance & Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 15,673 Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 00:30 UTC |
Mitrano Richard J.VP Finance & Operations
|
ConversionCommon Stock | 4,032 | Not disclosed | Not disclosed |
DisclosureSEC source: 0000899243-19-025351 · doc4.xml · nonDerivative · entry 1 Mitrano Richard J. · CIK 0001785287 · VP Finance & Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 15,566 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. F1 · shares: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. F1 · price: Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a 0.148467077-for-one basis. Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 20:52 UTC |
Alexandria Venture Investments, LLC10% owner
|
ConversionSeries B Convertible Preferred Stock · Derivative | 2,278,345 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001722024-19-000022 · wf-form4_157065430537878.xml · derivative · entry 3 Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 338,259 shares Expires not disclosed 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. F1 · derivative.exercise_price: Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 6.7355 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 7, 2019, for no additional consideration. The shares had no expiration date. F2 · price: Not applicable. F1 · derivative.exercise_date: Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 6.7355 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 7, 2019, for no additional consideration. The shares had no expiration date. F2 · derivative.expiration_date: Not applicable. Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 20:52 UTC |
Alexandria Venture Investments, LLC10% owner
|
ConversionSeries A Convertible Preferred Stock · Derivative | 4,161,974 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001722024-19-000022 · wf-form4_157065430537878.xml · derivative · entry 2 Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 617,916 shares Expires not disclosed 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. F1 · derivative.exercise_price: Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 6.7355 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 7, 2019, for no additional consideration. The shares had no expiration date. F2 · price: Not applicable. F1 · derivative.exercise_date: Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 6.7355 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 7, 2019, for no additional consideration. The shares had no expiration date. F2 · derivative.expiration_date: Not applicable. Read SEC document |
| October 07, 2019 Filed Oct 9, 2019 20:52 UTC |
Alexandria Venture Investments, LLC10% owner
|
ConversionCommon Stock | 956,175 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001722024-19-000022 · wf-form4_157065430537878.xml · nonDerivative · entry 1 Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 956,175 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. F1 · price: Each share of preferred stock automatically converted into the Issuer's common stock at a ratio of 6.7355 shares of preferred stock to 1 share of common stock upon closing of the Issuer's initial public offering on October 7, 2019, for no additional consideration. The shares had no expiration date. Read SEC document |
| October 02, 2019 Filed Oct 2, 2019 21:38 UTC |
LeBel CarlChief Development Officer
|
GrantStock Option · Derivative | 178,937 | $0.00 Strike: $14.00 | $0.00 |
DisclosureSEC source: 0000899243-19-024830 · doc4.xml · derivative · entry 3 LeBel Carl · CIK 0001439275 · Chief Development Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 178,937 Underlying: Common Stock · 178,937 shares Expires 2029-10-01 F4 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023. Read SEC document |
| October 02, 2019 Filed Oct 3, 2019 01:42 UTC |
Loose Christopher R.Chief Scientific Officer
|
GrantStock Option · Derivative | 146,826 | $0.00 Strike: $14.00 | $0.00 |
DisclosureSEC source: 0000899243-19-024835 · doc4.xml · derivative · entry 3 Loose Christopher R. · CIK 0001785299 · Chief Scientific Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 146,826 Underlying: Common Stock · 146,826 shares Expires 2029-10-01 F4 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023. Read SEC document |
| October 02, 2019 Filed Oct 3, 2019 01:46 UTC |
McLean William J.10% owner
|
GrantStock Option · Derivative | 111,350 | $0.00 Strike: $14.00 | $0.00 |
DisclosureSEC source: 0000899243-19-024839 · doc4.xml · derivative · entry 1 McLean William J. · CIK 0001789996 · 10% owner 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 111,350 Underlying: Common Stock · 111,350 shares Expires 2029-10-01 F1 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023. Read SEC document |
| October 02, 2019 Filed Oct 3, 2019 01:45 UTC |
Lucchino David L.Director · President and CEO
|
GrantStock Option · Derivative | 714,413 | $0.00 Strike: $14.00 | $0.00 |
DisclosureSEC source: 0000899243-19-024838 · doc4.xml · derivative · entry 3 Lucchino David L. · CIK 0001785288 · Director · President and CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 714,413 Underlying: Common Stock · 714,413 shares Expires 2029-10-01 F4 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023. Read SEC document |
| October 02, 2019 Filed Oct 3, 2019 01:42 UTC |
Mitrano Richard J.VP Finance & Operations
|
GrantStock Option · Derivative | 17,816 | $0.00 Strike: $14.00 | $0.00 |
DisclosureSEC source: 0000899243-19-024834 · doc4.xml · derivative · entry 2 Mitrano Richard J. · CIK 0001785287 · VP Finance & Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 17,816 Underlying: Common Stock · 17,816 shares Expires 2029-10-01 F3 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on November 2, 2019, and will be fully vested and exercisable on October 2, 2023. Read SEC document |
| April 17, 2019 Filed Oct 2, 2019 21:38 UTC |
LeBel CarlChief Development Officer
|
GrantStock Option · Derivative | 101,930 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024830 · doc4.xml · derivative · entry 2 LeBel Carl · CIK 0001439275 · Chief Development Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 101,930 Underlying: Common Stock · 101,930 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F3 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on February 1, 2019, and will be fully vested and exercisable on January 1, 2023. Read SEC document |
| April 17, 2019 Filed Oct 2, 2019 21:38 UTC |
LeBel CarlChief Development Officer
|
GrantStock Option · Derivative | 23,555 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024830 · doc4.xml · derivative · entry 1 LeBel Carl · CIK 0001439275 · Chief Development Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 23,555 Underlying: Common Stock · 23,555 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F2 · derivative.exercise_date: The option is fully vested. Read SEC document |
| April 17, 2019 Filed Oct 3, 2019 01:42 UTC |
Loose Christopher R.Chief Scientific Officer
|
GrantStock Option · Derivative | 360,606 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024835 · doc4.xml · derivative · entry 2 Loose Christopher R. · CIK 0001785299 · Chief Scientific Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 360,606 Underlying: Common Stock · 360,606 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F3 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on February 1, 2019, and will be fully vested and exercisable on January 1, 2023. Read SEC document |
| April 17, 2019 Filed Oct 3, 2019 01:42 UTC |
Loose Christopher R.Chief Scientific Officer
|
GrantStock Option · Derivative | 64,241 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024835 · doc4.xml · derivative · entry 1 Loose Christopher R. · CIK 0001785299 · Chief Scientific Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 64,241 Underlying: Common Stock · 64,241 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F2 · derivative.exercise_date: The option is fully vested. Read SEC document |
| April 17, 2019 Filed Oct 3, 2019 01:45 UTC |
Lucchino David L.Director · President and CEO
|
GrantStock Option · Derivative | 444,371 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024838 · doc4.xml · derivative · entry 2 Lucchino David L. · CIK 0001785288 · Director · President and CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 444,371 Underlying: Common Stock · 444,371 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F3 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on February 1, 2019, and will be fully vested and exercisable on January 1, 2023. Read SEC document |
| April 17, 2019 Filed Oct 3, 2019 01:45 UTC |
Lucchino David L.Director · President and CEO
|
GrantStock Option · Derivative | 96,361 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024838 · doc4.xml · derivative · entry 1 Lucchino David L. · CIK 0001785288 · Director · President and CEO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 96,361 Underlying: Common Stock · 96,361 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3. F2 · derivative.exercise_date: The option is fully vested. Read SEC document |
| April 17, 2019 Filed Oct 3, 2019 01:42 UTC |
Mitrano Richard J.VP Finance & Operations
|
GrantStock Option · Derivative | 33,305 | $0.00 Strike: $3.37 | $0.00 |
DisclosureSEC source: 0000899243-19-024834 · doc4.xml · derivative · entry 1 Mitrano Richard J. · CIK 0001785287 · VP Finance & Operations 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 33,305 Underlying: Common Stock · 33,305 shares Expires 2029-04-16 F1 · security: This transaction is being reported pursuant to Rule 16a-2(a), and the securities covered by such transaction were previously included on the Reporting Person's Form 3 F2 · derivative.exercise_date: The option vests and becomes exercisable in equal monthly installments over a four year period commencing on February 1, 2019, and will be fully vested and exercisable on January 1, 2023. 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.