Tapewire

Nasdaq · USD

ALEC

Alector, Inc.

Export transactions ↓
Tapewire entity
6051
SEC CIK
0001653087
Parsed reports
298

Last 12 months

Inside the activity.

0 purchase rows · 21 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202505
Jan 202600
Feb 202601
Mar 202605
Apr 202601
May 202600
Jun 202604
Jul 202600
Aug 202600
Sep 202605
Oct 202600

Latest available

Insider transactions

JSON API
Reset

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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 04, 2026 Filed Sep 4, 2026 21:45 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 3,625 $2.51 $9,094.40
Disclosure

SEC source: 0001193125-26-383858 · ownership.xml · nonDerivative · entry 3

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,015

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on September 5, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.495 to $2.52. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:45 UTC
Rosenthal ArnonDirector · Chief Executive Officer
SaleCommon Stock 72,606 $2.66 $193,473.21
Disclosure

SEC source: 0001193125-26-383857 · ownership.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,294,600

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.49 to $2.75. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:45 UTC
Berkley Neil LindsayCFO & Chief Business Officer
SaleCommon Stock 29,251 $2.66 $77,948.06
Disclosure

SEC source: 0001193125-26-383856 · ownership.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · CFO & Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,649

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.49 to $2.75. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:45 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 5,165 $2.67 $13,767.31
Disclosure

SEC source: 0001193125-26-383858 · ownership.xml · nonDerivative · entry 2

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,640

F2 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.49 to $2.75. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
September 02, 2026 Filed Sep 4, 2026 21:45 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 656 $2.75 $1,804.00
Disclosure

SEC source: 0001193125-26-383858 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,805

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 September 5, 2025.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 22:00 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GiftCommon Stock 350,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-361376 · ownership.xml · nonDerivative · entry 4

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,002,500

F4 · ownership.nature: The reported securities are held directly by the Shani Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 22:00 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GiftCommon Stock 350,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-361376 · ownership.xml · nonDerivative · entry 3

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,002,500

F3 · ownership.nature: The reported securities are held directly by the Noam Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 22:00 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GiftCommon Stock 350,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-361376 · ownership.xml · nonDerivative · entry 2

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,002,500

F2 · ownership.nature: The reported securities are held directly by the Adi Rosenthal 2007 Trust dated March 27, 2007, for which the Reporting Person serves as trustee.

Read SEC document
August 19, 2026 Filed Aug 21, 2026 22:00 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GiftCommon Stock 1,050,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-361376 · ownership.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 922,875

F1 · ownership.nature: The reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee.

Read SEC document
July 09, 2026 Filed Jul 9, 2026 20:05 UTC
Wong-Sarad GracePrincipal Accounting Officer
GrantCommon Stock 20,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-299678 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,461

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on September 1, 2026.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274131 · ownership.xml · derivative · entry 2

Hammond Paula · CIK 0001805348 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274131 · ownership.xml · nonDerivative · entry 1

Hammond Paula · CIK 0001805348 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,609

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274124 · ownership.xml · derivative · entry 2

Altmeyer Mark · CIK 0001643074 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274124 · ownership.xml · nonDerivative · entry 1

Altmeyer Mark · CIK 0001643074 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,650

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274123 · ownership.xml · derivative · entry 2

DESOUZA ERROL B · CIK 0001213895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274123 · ownership.xml · nonDerivative · entry 1

DESOUZA ERROL B · CIK 0001213895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,650

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274120 · ownership.xml · derivative · entry 3

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F3 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274120 · ownership.xml · nonDerivative · entry 1

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,109

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274128 · ownership.xml · derivative · entry 2

SCHELLER RICHARD H · CIK 0001214133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274128 · ownership.xml · nonDerivative · entry 1

SCHELLER RICHARD H · CIK 0001214133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,899

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274134 · ownership.xml · derivative · entry 2

Yaffe Kristine · CIK 0001783895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274134 · ownership.xml · nonDerivative · entry 1

Yaffe Kristine · CIK 0001783895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,109

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantStock Option (right to buy) · Derivative 9,450 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274132 · ownership.xml · derivative · entry 2

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,450

Underlying: Common Stock · 9,450 shares

Expires 2036-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 17, 2026, provided that the shares subject to the option will vest in full on the earlier of the one-year anniversary of the date of grant or the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 17, 2026 Filed Jun 17, 2026 20:05 UTC GrantCommon Stock 28,700 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-274132 · ownership.xml · nonDerivative · entry 1

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,650

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 17, 2027 or (ii) the date of the Issuer's next annual meeting of stockholders.

Read SEC document
June 03, 2026 Filed Jun 3, 2026 21:30 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 3,475 $1.88 $6,542.73
Disclosure

SEC source: 0001193125-26-255814 · ownership.xml · nonDerivative · entry 2

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,461

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on September 5, 2025.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.86 to $1.94. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
June 02, 2026 Filed Jun 3, 2026 21:30 UTC
Rosenthal ArnonDirector · Chief Executive Officer
SaleCommon Stock 87,216 $1.97 $172,190.55
Disclosure

SEC source: 0001193125-26-255816 · ownership.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,367,206

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.92 to $2.08. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
June 02, 2026 Filed Jun 3, 2026 21:30 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 5,709 $1.97 $11,270.71
Disclosure

SEC source: 0001193125-26-255814 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,936

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.92 to $2.08. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
June 02, 2026 Filed Jun 3, 2026 21:30 UTC
Berkley Neil LindsayCFO & Chief Business Officer
SaleCommon Stock 19,360 $1.97 $38,220.51
Disclosure

SEC source: 0001193125-26-255811 · ownership.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · CFO & Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,900

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.92 to $2.08. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
June 01, 2026 Filed Jun 3, 2026 23:08 UTC GrantCommon Stock 10,833 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-255990 · ownership.xml · nonDerivative · entry 1

SCHELLER RICHARD H · CIK 0001214133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,199

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 4 equal quarterly installments beginning on June 1, 2026.

Read SEC document
April 16, 2026 Filed Apr 17, 2026 21:30 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 1,820 $2.65 $4,823.00
Disclosure

SEC source: 0001193125-26-161848 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 104,645

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 September 5, 2025.

Read SEC document
March 15, 2026 Filed Mar 13, 2026 20:30 UTC
Berkley Neil LindsayCFO & Chief Business Officer
GrantCommon Stock 54,600 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-106246 · ownership.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · CFO & Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 399,260

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, one half (1/2) of the total shares shall vest on September 1, 2026 and one half (1/2th) of the total shares shall vest on March 1, 2027.

Read SEC document
March 13, 2026 Filed Mar 13, 2026 20:30 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GrantCommon Stock 116,246 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-106250 · ownership.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,454,422

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, one half (1/2) of the total shares shall vest on September 1, 2026 and one half (1/2th) of the total shares shall vest on March 1, 2027.

Read SEC document
March 10, 2026 Filed Mar 12, 2026 23:30 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 1,000 $2.65 $2,650.00
Disclosure

SEC source: 0001193125-26-104633 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 106,465

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 September 5, 2025.

Read SEC document
March 03, 2026 Filed Mar 3, 2026 23:01 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 3,367 $2.08 $7,012.11
Disclosure

SEC source: 0002074667-26-000004 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,465

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 September 5, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.06 to $2.12. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 21:05 UTC
Rosenthal ArnonDirector · Chief Executive Officer
SaleCommon Stock 81,864 $2.12 $173,821.83
Disclosure

SEC source: 0001757770-26-000002 · ownership.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,338,176

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.04 to $2.37. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 21:05 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 8,071 $2.12 $17,137.96
Disclosure

SEC source: 0002074667-26-000002 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,832

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.04 to $2.37. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 21:05 UTC
Berkley Neil LindsayCFO & Chief Business Officer
SaleCommon Stock 29,649 $2.12 $62,953.72
Disclosure

SEC source: 0002075298-26-000002 · ownership.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · CFO & Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 344,660

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.04 to $2.37. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
February 26, 2026 Filed Feb 26, 2026 23:11 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 4,079 $2.50 $10,197.50
Disclosure

SEC source: 0001193125-26-077735 · ownership.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,903

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 September 5, 2025.

Read SEC document
December 05, 2025 Filed Dec 8, 2025 23:03 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 4,753 $1.21 $5,751.13
Disclosure

SEC source: 0002074667-25-000008 · form4-12082025_111231.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,982

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 5, 2025.

Read SEC document
December 03, 2025 Filed Dec 4, 2025 02:05 UTC
Kenkare-Mitra SaraPresident and Head of R&D
SaleCommon Stock 41,687 $1.12 $46,672.77
Disclosure

SEC source: 0001895592-25-000005 · form4-12042025_021236.xml · nonDerivative · entry 1

Kenkare-Mitra Sara · CIK 0001895592 · President and Head of R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 501,652

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
December 03, 2025 Filed Dec 4, 2025 02:06 UTC
Rosenthal ArnonDirector · Chief Executive Officer
SaleCommon Stock 104,347 $1.12 $116,826.90
Disclosure

SEC source: 0001757770-25-000007 · form4-12042025_021222.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,420,040

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
December 03, 2025 Filed Dec 4, 2025 02:04 UTC
Berkley Neil LindsayChief Bus Ofcr & Interim CFO
SaleCommon Stock 37,261 $1.12 $41,717.42
Disclosure

SEC source: 0002075298-25-000006 · form4-12042025_021252.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · Chief Bus Ofcr & Interim CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 374,309

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
December 03, 2025 Filed Dec 4, 2025 02:07 UTC
Wong-Sarad GracePrincipal Accounting Officer
SaleCommon Stock 8,056 $1.12 $9,018.69
Disclosure

SEC source: 0002074667-25-000006 · form4-12042025_021215.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,735

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $1.095 to $1.14. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:10 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GrantEmployee Stock Option (right to buy) · Derivative 522,500 $0.00 Strike: $1.31 $0.00
Disclosure

SEC source: 0001757770-25-000006 · form4-11122025_091119.xml · derivative · entry 6

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 522,500

Underlying: Common Stock · 522,500 shares

Expires 2035-11-09

F6 · derivative.exercise_date: Shares subject to the option vest in 48 equal monthly installments beginning on December 10, 2025.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:10 UTC
Rosenthal ArnonDirector · Chief Executive Officer
GrantCommon Stock 174,167 $0.00 $0.00
Disclosure

SEC source: 0001757770-25-000006 · form4-11122025_091119.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,524,387

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2025.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:19 UTC
Wong-Sarad GracePrincipal Accounting Officer
GrantEmployee Stock Option (right to buy) · Derivative 48,535 $0.00 Strike: $1.31 $0.00
Disclosure

SEC source: 0002074667-25-000005 · form4-11122025_091118.xml · derivative · entry 2

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,535

Underlying: Common Stock · 48,535 shares

Expires 2035-11-09

F2 · derivative.exercise_date: Shares subject to the option vest in 48 equal monthly installments beginning on December 10, 2025.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:19 UTC
Wong-Sarad GracePrincipal Accounting Officer
GrantCommon Stock 32,343 $0.00 $0.00
Disclosure

SEC source: 0002074667-25-000005 · form4-11122025_091118.xml · nonDerivative · entry 1

Wong-Sarad Grace · CIK 0002074667 · Principal Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,791

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2025.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:17 UTC
Berkley Neil LindsayChief Bus Ofcr & Interim CFO
GrantEmployee Stock Option (right to buy) · Derivative 195,000 $0.00 Strike: $1.31 $0.00
Disclosure

SEC source: 0002075298-25-000005 · form4-11122025_091112.xml · derivative · entry 2

Berkley Neil Lindsay · CIK 0002075298 · Chief Bus Ofcr & Interim CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,000

Underlying: Common Stock · 195,000 shares

Expires 2035-11-09

F2 · derivative.exercise_date: Shares subject to the option vest in 48 equal monthly installments beginning on December 10, 2025.

Read SEC document
November 10, 2025 Filed Nov 12, 2025 21:17 UTC
Berkley Neil LindsayChief Bus Ofcr & Interim CFO
GrantCommon Stock 65,000 $0.00 $0.00
Disclosure

SEC source: 0002075298-25-000005 · form4-11122025_091112.xml · nonDerivative · entry 1

Berkley Neil Lindsay · CIK 0002075298 · Chief Bus Ofcr & Interim CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 411,570

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2025.

Read SEC document
September 02, 2025 Filed Sep 4, 2025 20:29 UTC
Kenkare-Mitra SaraPresident and Head of R&D
SaleCommon Stock 23,638 $2.50 $59,019.36
Disclosure

SEC source: 0001415889-25-023674 · form4-09042025_080906.xml · nonDerivative · entry 1

Kenkare-Mitra Sara · CIK 0001895592 · President and Head of R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 543,339

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.30 to $2.59. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

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.