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ASSEMBLY BIOSCIENCES, INC.

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5216
SEC CIK
0001426800
Parsed reports
238

Last 12 months

Inside the activity.

0 purchase rows · 5 sale rows

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

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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
July 19, 2018 Filed Jul 20, 2018 20:01 UTC
Small Derek ADirector · CEO and President
PurchaseCommon Stock 1,200 $41.19 $49,428.24
Disclosure

SEC source: 0001144204-18-039136 · tv498888_4.xml · nonDerivative · entry 1

Small Derek A · CIK 0001613260 · Director · CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 668,091

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $40.98 to $41.40, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the price range.

Read SEC document
July 02, 2018 Filed Jul 3, 2018 20:00 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-037217 · v497988_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F3 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
July 02, 2018 Filed Jul 3, 2018 20:00 UTC SaleCommon Stock 1,000 $38.50 $38,503.00
Disclosure

SEC source: 0001144204-18-037217 · v497988_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.50 to $38.515, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

Read SEC document
July 02, 2018 Filed Jul 3, 2018 20:00 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-037217 · v497988_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 21:54 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-032476 · tv495701_4.xml · derivative · entry 4

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F3 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 21:54 UTC SaleCommon Stock 1,000 $42.47 $42,470.00
Disclosure

SEC source: 0001144204-18-032476 · tv495701_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
June 01, 2018 Filed Jun 1, 2018 21:54 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-032476 · tv495701_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 17:48 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032472 · tv495558_4.xml · derivative · entry 1

AUERBACH MARK · CIK 0001018007 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:45 UTC
Mahony SusanDirector
GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032466 · tv495556_4.xml · derivative · entry 1

Mahony Susan · CIK 0001463321 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:54 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032476 · tv495701_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F2 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:52 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032474 · tv495565_4.xml · derivative · entry 1

DiMarchi Richard D · CIK 0001311733 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:46 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032470 · tv495555_4.xml · derivative · entry 1

HOLUBIAK MYRON Z · CIK 0001199080 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:46 UTC
LEWIS ALANDirector
GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032469 · tv495554_4.xml · derivative · entry 1

LEWIS ALAN · CIK 0001207604 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:45 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032468 · tv495553_4.xml · derivative · entry 1

Kim Helen Susan · CIK 0001422772 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 30, 2018 Filed Jun 1, 2018 21:45 UTC GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $42.09 $0.00
Disclosure

SEC source: 0001144204-18-032465 · tv495552_4.xml · derivative · entry 1

ALTIG ANTHONY E · CIK 0001215907 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-05-30

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest upon the earlier of (i) May 30, 2019 and (ii) the date of the Issuer's 2019 annual meeting of stockholders.

Read SEC document
May 01, 2018 Filed May 2, 2018 20:05 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-024758 · tv492751_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
May 01, 2018 Filed May 2, 2018 20:05 UTC SaleCommon Stock 1,000 $43.06 $43,060.00
Disclosure

SEC source: 0001144204-18-024758 · tv492751_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
May 01, 2018 Filed May 2, 2018 20:05 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-024758 · tv492751_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
April 17, 2018 Filed Apr 18, 2018 17:29 UTC PurchaseCall Options · Derivative 246 $8.50 Strike: $60.00 $2,091.00
Disclosure

SEC source: 0001140361-18-018902 · doc1.xml · derivative · entry 1

EcoR1 Capital Fund Qualified, L.P. · CIK 0001598292 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,213

Underlying: Common Stock · 24,600 shares

Expires 2018-11-16

Read SEC document
April 13, 2018 Filed Apr 17, 2018 20:05 UTC PurchaseCall Options · Derivative 967 $7.47 Strike: $60.00 $7,226.39
Disclosure

SEC source: 0001140361-18-018797 · doc1.xml · derivative · entry 1

EcoR1 Capital Fund Qualified, L.P. · CIK 0001598292 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 967

Underlying: Common Stock · 96,700 shares

Expires 2018-11-16

Read SEC document
April 02, 2018 Filed Apr 2, 2018 18:11 UTC GrantStock Option (right to buy) · Derivative 106,200 $0.00 Strike: $46.75 $0.00
Disclosure

SEC source: 0001144204-18-018750 · tv490173_form4.xml · derivative · entry 1

Papkoff Jacqueline Sybil · CIK 0001735729 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,200

Underlying: Common Stock · 106,200 shares

Expires 2028-04-02

F1 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, April 2, 2019; and the remaining 75% shall vest in 36 equal monthly installments, with the options becoming fully vested on April 2, 2022.

Read SEC document
April 02, 2018 Filed Apr 2, 2018 22:07 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-018748 · tv490129_form4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
April 02, 2018 Filed Apr 2, 2018 22:07 UTC SaleCommon Stock 1,000 $49.32 $49,320.00
Disclosure

SEC source: 0001144204-18-018748 · tv490129_form4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
April 02, 2018 Filed Apr 2, 2018 22:07 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-018748 · tv490129_form4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 18:30 UTC
Rollins Thomas EChief Development Officer
GrantStock Option (right to buy) · Derivative 7,500 $0.00 Strike: $49.14 $0.00
Disclosure

SEC source: 0001144204-18-018348 · tv490032_4.xml · derivative · entry 2

Rollins Thomas E · CIK 0001667428 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2028-03-29

F2 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, March 29, 2019; and the remaining 75% shall vest in 36 equal monthly installments, with the options becoming fully vested on March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 18:30 UTC
Rollins Thomas EChief Development Officer
GrantCommon Stock 3,750 $0.00 $0.00
Disclosure

SEC source: 0001144204-18-018348 · tv490032_4.xml · nonDerivative · entry 1

Rollins Thomas E · CIK 0001667428 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,750

F1 · shares: Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2019; March 29, 2020; March 29, 2021; and March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:29 UTC
Lopatin Uri AChief Med. Off., VP Res. Dev.
GrantStock Option (right to buy) · Derivative 15,000 $0.00 Strike: $49.14 $0.00
Disclosure

SEC source: 0001144204-18-018347 · tv490034_4.xml · derivative · entry 3

Lopatin Uri A · CIK 0001613259 · Chief Med. Off., VP Res. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2028-03-29

F3 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, March 29, 2019; and the remaining 75% shall vest in 36 equal monthly installments, with the options becoming fully vested on March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:29 UTC
Lopatin Uri AChief Med. Off., VP Res. Dev.
GrantCommon Stock 7,500 $0.00 $0.00
Disclosure

SEC source: 0001144204-18-018347 · tv490034_4.xml · nonDerivative · entry 1

Lopatin Uri A · CIK 0001613259 · Chief Med. Off., VP Res. Dev.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 629,151

F1 · shares: Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2019; March 29, 2020; March 29, 2021; and March 29, 2022.

F2 · balance_after: Total includes 621,651 shares that are held by the Uri Lopatin Revocable Trust for which the reporting person is the trustee and sole beneficiary. Accordingly, these shares are reported as being held directly by the reporting person.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:27 UTC GrantStock Option (right to buy) · Derivative 30,000 $0.00 Strike: $49.14 $0.00
Disclosure

SEC source: 0001144204-18-018346 · tv490031_4.xml · derivative · entry 2

Colonno Richard James · CIK 0001663018 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2028-03-29

F2 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, March 29, 2019; and the remaining 75% shall vest in 36 equal monthly installments, with the options becoming fully vested on March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:27 UTC GrantCommon Stock 15,000 $0.00 $0.00
Disclosure

SEC source: 0001144204-18-018346 · tv490031_4.xml · nonDerivative · entry 1

Colonno Richard James · CIK 0001663018 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

F1 · shares: Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2019; March 29, 2020; March 29, 2021; and March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:26 UTC
Small Derek ADirector · CEO and President
GrantStock Option (right to buy) · Derivative 65,000 $0.00 Strike: $49.14 $0.00
Disclosure

SEC source: 0001144204-18-018344 · tv490033_4.xml · derivative · entry 2

Small Derek A · CIK 0001613260 · Director · CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,000

Underlying: Common Stock · 65,000 shares

Expires 2028-03-29

F2 · derivative.exercise_date: Grant of stock options. The stock options vest over four years, assuming continuous service on each vesting date, as follows: 25% shall vest on the first anniversary of the date of grant, March 29, 2019; and the remaining 75% shall vest in 36 equal monthly installments, with the options becoming fully vested on March 29, 2022.

Read SEC document
March 29, 2018 Filed Mar 30, 2018 22:26 UTC
Small Derek ADirector · CEO and President
GrantCommon Stock 32,500 $0.00 $0.00
Disclosure

SEC source: 0001144204-18-018344 · tv490033_4.xml · nonDerivative · entry 1

Small Derek A · CIK 0001613260 · Director · CEO and President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 666,891

F1 · shares: Grant of restricted stock units. The restricted stock units vest in four equal installments, assuming continuous service on each vesting date, as follows: March 29, 2019; March 29, 2020; March 29, 2021; and March 29, 2022.

Read SEC document
March 08, 2018 Filed Mar 12, 2018 11:26 UTC GrantStock Option (right to buy) · Derivative 20,000 $0.00 Strike: $57.53 $0.00
Disclosure

SEC source: 0001144204-18-013977 · tv488258_4.xml · derivative · entry 1

Kim Helen Susan · CIK 0001422772 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2028-03-08

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest in equal annual installments on the first, second and third anniversaries of the grant date.

Read SEC document
March 08, 2018 Filed Mar 12, 2018 11:21 UTC
COOPER GRAHAM KSee Remarks
GrantStock Option (right to buy) · Derivative 220,000 $0.00 Strike: $57.53 $0.00
Disclosure

SEC source: 0001144204-18-013973 · tv488252_form4.xml · derivative · entry 1

COOPER GRAHAM K · CIK 0001396943 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,000

Underlying: Common Stock · 220,000 shares

Expires 2028-03-08

F1 · derivative.exercise_date: These options vest over three years as follows: one-third will vest on the first anniversary of the date of grant, March 8, 2019; and the remaining two-thirds will vest in 24 equal monthly installments, with the options becoming fully vested on March 8, 2021.

Read SEC document
March 01, 2018 Filed Mar 2, 2018 21:01 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-012524 · tv487549_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
March 01, 2018 Filed Mar 2, 2018 21:01 UTC SaleCommon Stock 1,000 $56.37 $56,370.00
Disclosure

SEC source: 0001144204-18-012524 · tv487549_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
March 01, 2018 Filed Mar 2, 2018 21:01 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-012524 · tv487549_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 21:05 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-005474 · tv484793_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
February 01, 2018 Filed Feb 2, 2018 21:05 UTC SaleCommon Stock 1,000 $46.86 $46,860.00
Disclosure

SEC source: 0001144204-18-005474 · tv484793_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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February 01, 2018 Filed Feb 2, 2018 21:05 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-005474 · tv484793_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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January 02, 2018 Filed Jan 3, 2018 21:30 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-18-000532 · tv482455_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

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January 02, 2018 Filed Jan 3, 2018 21:30 UTC SaleCommon Stock 1,000 $45.04 $45,040.00
Disclosure

SEC source: 0001144204-18-000532 · tv482455_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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January 02, 2018 Filed Jan 3, 2018 21:30 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-18-000532 · tv482455_4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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January 01, 2018 Filed Jan 3, 2018 21:30 UTC GrantCommon Stock 25,000 $0.00 $0.00
Disclosure

SEC source: 0001144204-18-000530 · tv482452_4.xml · nonDerivative · entry 1

Colonno Richard James · CIK 0001663018 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

F1 · shares: Represents shares of common stock issuable under a performance-based Restricted Stock Unit (RSU) Award dated December 8, 2017 that was granted under Assembly Biosciences, Inc.'s Amended and Restated 2014 Stock Incentive Plan. On January 1, 2018, a performance-based vesting condition was achieved with respect to these shares of common stock, which remain subject to time-based vesting and will vest in full on August 1, 2018, assuming the Reporting Person's continuous service through August 1, 2018.

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December 14, 2017 Filed Dec 18, 2017 22:17 UTC
Mahony SusanDirector
GrantStock Option (right to buy) · Derivative 20,000 $0.00 Strike: $42.61 $0.00
Disclosure

SEC source: 0001144204-17-064152 · tv481596_form4.xml · derivative · entry 1

Mahony Susan · CIK 0001463321 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2027-12-14

F1 · derivative.exercise_date: The shares of common stock underlying the option will vest in equal annual installments on the first, second and third anniversaries of the grant date.

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December 01, 2017 Filed Dec 4, 2017 21:05 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-17-062200 · tv480756_form4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F2 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

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December 01, 2017 Filed Dec 4, 2017 21:05 UTC SaleCommon Stock 1,000 $49.37 $49,370.00
Disclosure

SEC source: 0001144204-17-062200 · tv480756_form4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
December 01, 2017 Filed Dec 4, 2017 21:05 UTC Exercise / conversionCommon Stock 1,000 $7.20 $7,200.00
Disclosure

SEC source: 0001144204-17-062200 · tv480756_form4.xml · nonDerivative · entry 1

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,465

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: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
November 01, 2017 Filed Nov 3, 2017 21:15 UTC Exercise / conversionStock Option (right to buy) · Derivative 1,000 $0.00 Strike: $7.20 $0.00
Disclosure

SEC source: 0001144204-17-056293 · tv478456_4.xml · derivative · entry 3

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,000

Underlying: Common Stock · 1,000 shares

Expires 2024-07-10

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.

F3 · derivative.exercise_date: This option, initially representing a right to purchase 64,000 shares, became exercisable in three equal installments on July 11, 2014; July 11, 2015; and July 11, 2016.

Read SEC document
November 01, 2017 Filed Nov 3, 2017 21:15 UTC SaleCommon Stock 1,000 $29.55 $29,550.00
Disclosure

SEC source: 0001144204-17-056293 · tv478456_4.xml · nonDerivative · entry 2

RINGO WILLIAM R · CIK 0001238325 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,465

F1 · shares: The option exercise and sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.36 to $29.75, inclusive. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.