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person · Reporting owner

Aunins John G.

Disclosed activity across 1 company

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152081
SEC CIK
0001643756

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Seres Therapeutics, Inc.MCRB · Entity 7191Chief Technology Officer & EVPJanuary 29, 2020January 31, 2020

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Seres Therapeutics, Inc.

Report date January 29, 2020 · Filed January 31, 2020

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
STOCK OPTION (RIGHT TO BUY)SEC Table II · derivative / convertible security · Conversion / exercise price $3.30 · Expires 2030-01-28Direct300,000 Reported balance After 2020-01-29 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2020-01-29 · Grant · Acquired 300,000 · Balance 300,000

F1: The option will vest as to 25% of the shares on January 29, 2021. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Filing footnotes · ownership attribution and instrument terms

F1: The option will vest as to 25% of the shares on January 29, 2021. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 29, 2020 Filed Jan 31, 2020 21:05 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantSTOCK OPTION (RIGHT TO BUY) · Derivative 300,000 $0.00 Strike: $3.30 $0.00
Disclosure

SEC source: 0000899243-20-002418 · doc4.xml · derivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2030-01-28

F1 · derivative.exercise_date: The option will vest as to 25% of the shares on January 29, 2021. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Read SEC document
January 26, 2020 Filed Jan 28, 2020 21:05 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 12,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-20-002210 · doc4.xml · derivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,500 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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: The restricted stock units are fully vested and do not have an expiration date.

F2 · derivative.expiration_date: The restricted stock units are fully vested and do not have an expiration date.

Read SEC document
January 26, 2020 Filed Jan 28, 2020 21:05 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 12,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-20-002210 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,250

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
January 26, 2019 Filed Jan 29, 2019 23:51 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 7,500 $0.00 $0.00
Disclosure

SEC source: 0000899243-19-002137 · doc4.xml · derivative · entry 3

Aunins John G. · CIK 0001643756 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 7,500 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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: These restricted stock units have vested and settled or will vest and settle as to 20% of the restricted stock units on January 26, 2018, 30% on January 26, 2019, and 50% on January 26, 2020.

F3 · derivative.expiration_date: These restricted stock units have vested and settled or will vest and settle as to 20% of the restricted stock units on January 26, 2018, 30% on January 26, 2019, and 50% on January 26, 2020.

Read SEC document
January 26, 2019 Filed Jan 29, 2019 23:51 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 7,500 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-19-002137 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,750

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
January 25, 2019 Filed Jan 29, 2019 23:51 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantSTOCK OPTION (RIGHT TO BUY) · Derivative 60,000 $0.00 Strike: $6.01 $0.00
Disclosure

SEC source: 0000899243-19-002137 · doc4.xml · derivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 shares

Expires 2029-01-24

F2 · derivative.exercise_date: The option will vest as to 25% of the shares on January 25, 2020. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Read SEC document
December 19, 2018 Filed Dec 19, 2018 21:11 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 10,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-031411 · doc4.xml · derivative · entry 3

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 10,000 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.

F3 · derivative.exercise_price: Each restricted stock unit represents right to receive one share of Issuer common stock.

F4 · derivative.exercise_date: These restricted stock units have vested and settled as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

F4 · derivative.expiration_date: These restricted stock units have vested and settled as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

Read SEC document
December 19, 2018 Filed Dec 19, 2018 21:11 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 10,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-031411 · doc4.xml · nonDerivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,250

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 · price: Each restricted stock unit represents right to receive one share of Issuer common stock.

Read SEC document
December 17, 2018 Filed Dec 19, 2018 21:11 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,282 $6.39 $91,313.40
Disclosure

SEC source: 0000899243-18-031411 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,250

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $6.2100 to $6.5900. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
November 15, 2018 Filed Nov 19, 2018 21:27 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $8.26 $117,911.70
Disclosure

SEC source: 0000899243-18-029310 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,532

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $8.0600 to $8.4200. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
October 15, 2018 Filed Oct 16, 2018 20:16 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $5.94 $84,800.13
Disclosure

SEC source: 0000899243-18-026790 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,811

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $5.6400 to $6.2912. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
September 17, 2018 Filed Sep 20, 2018 01:22 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $7.27 $103,875.44
Disclosure

SEC source: 0000899243-18-024819 · doc4.xml · nonDerivative · entry 3

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,090

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $7.0914 to $7.5600. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
August 15, 2018 Filed Sep 20, 2018 01:22 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $7.57 $108,069.18
Disclosure

SEC source: 0000899243-18-024819 · doc4.xml · nonDerivative · entry 2

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,369

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $7.2500 to $7.7600. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. This filing is being reported late due to an inadvertent administrative error.

Read SEC document
July 15, 2018 Filed Jul 18, 2018 20:58 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $8.10 $115,725.58
Disclosure

SEC source: 0000899243-18-020074 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,927

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $7.82 to $8.60. The Reporting Persons undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
June 19, 2018 Filed Jun 19, 2018 21:03 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-017198 · doc4.xml · derivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: COMMON STOCK · 5,000 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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: These restricted stock units have vested and settled or will vest and settle as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

F2 · derivative.expiration_date: These restricted stock units have vested and settled or will vest and settle as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

Read SEC document
June 19, 2018 Filed Jun 19, 2018 21:03 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-017198 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,206

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
June 15, 2018 Filed Jun 18, 2018 20:43 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCommon Stock 14,279 $8.57 $122,325.34
Disclosure

SEC source: 0000899243-18-017017 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,206

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5 1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $8.39 to $8.69. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
May 15, 2018 Filed Sep 20, 2018 01:22 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 14,279 $8.08 $115,400.02
Disclosure

SEC source: 0000899243-18-024819 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 146,648

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $7.8800 to $8.1400. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. This filing is being reported late due to an inadvertent administrative error.

Read SEC document
April 25, 2018 Filed Apr 26, 2018 20:55 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCommon Stock 14,279 $7.58 $108,266.23
Disclosure

SEC source: 0000899243-18-010837 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,485

F1 · kind: The sale reported in the Form 4 was effected pursuant to a Rule 10b5 1 trading plan adopted by the Reporting Person on March 15, 2018.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at per share prices ranging from $7.47 to $7.95. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer, or any stockholder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Read SEC document
January 30, 2018 Filed Jan 31, 2018 02:01 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantSTOCK OPTION (RIGHT TO BUY) · Derivative 40,000 $0.00 Strike: $10.42 $0.00
Disclosure

SEC source: 0000899243-18-002334 · doc4.xml · derivative · entry 4

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: COMMON STOCK · 40,000 shares

Expires 2028-01-29

F3 · derivative.exercise_date: The Option will vest as to 25% of the shares on January 30, 2019. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Read SEC document
January 26, 2018 Filed Jan 31, 2018 02:01 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRESTRICTED STOCK UNITS · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-002334 · doc4.xml · derivative · entry 3

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: COMMON STOCK · 5,000 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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: These restricted stock units have vested and settled or will vest and settle as to 20% of the restricted stock units on January 26, 2018, 30% on January 26, 2019; and 50% on January 26, 2020.

F2 · derivative.expiration_date: These restricted stock units have vested and settled or will vest and settle as to 20% of the restricted stock units on January 26, 2018, 30% on January 26, 2019; and 50% on January 26, 2020.

Read SEC document
January 26, 2018 Filed Jan 31, 2018 02:01 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 1,738 $11.02 $19,152.76
Disclosure

SEC source: 0000899243-18-002334 · doc4.xml · nonDerivative · entry 2

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,764

Read SEC document
January 26, 2018 Filed Jan 31, 2018 02:01 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-002334 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 200,502

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
December 19, 2017 Filed Dec 20, 2017 21:56 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionRestricted Stock Units · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-17-029325 · doc4.xml · derivative · entry 3

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 5,000 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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: These restricted stock units vest and settle as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

F2 · derivative.expiration_date: These restricted stock units vest and settle as to 25% of the restricted stock units on December 19, 2017, 25% on June 19, 2018; and 50% on December 19, 2018.

Read SEC document
December 19, 2017 Filed Dec 20, 2017 21:56 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCommon Stock 1,623 $10.14 $16,457.22
Disclosure

SEC source: 0000899243-17-029325 · doc4.xml · nonDerivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,437

Read SEC document
December 19, 2017 Filed Dec 20, 2017 21:56 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCommon Stock 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-17-029325 · doc4.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,060

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

Read SEC document
December 19, 2017 Filed Jan 31, 2018 01:54 UTC Amendment Seres Therapeutics, Inc. MCRB · Entity 7191 SaleCOMMON STOCK 1,623 $10.14 $16,457.22
Disclosure

SEC source: 0000899243-18-002323 · doc4a.xml · nonDerivative · entry 2

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,502

F2 · balance_after: Due to a clerical error, the reporting person's original Form 4 filed on December 20, 2017 set forth an incorrect amount of common stock beneficially owned by the reporting person following the reported transaction. This Form 4/A corrects the error and presents the correct number of common stock beneficially owned by the reporting person following the reported transaction.

Read SEC document
December 19, 2017 Filed Jan 31, 2018 01:54 UTC Amendment Seres Therapeutics, Inc. MCRB · Entity 7191 Exercise / conversionCOMMON STOCK 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0000899243-18-002323 · doc4a.xml · nonDerivative · entry 1

Aunins John G. · CIK 0001643756 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,125

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 restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · balance_after: Due to a clerical error, the reporting person's original Form 4 filed on December 20, 2017 set forth an incorrect amount of common stock beneficially owned by the reporting person following the reported transaction. This Form 4/A corrects the error and presents the correct number of common stock beneficially owned by the reporting person following the reported transaction.

Read SEC document
June 19, 2017 Filed Jun 21, 2017 21:24 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantRestricted Stock Units · Derivative 20,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-17-016868 · doc4.xml · derivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: These restricted stock units vest and settle as to 25% of the restricted stock units on December 19, 2017; 25% on June 19, 2018; and 50% on December 19, 2018.

F2 · derivative.expiration_date: These restricted stock units vest and settle as to 25% of the restricted stock units on December 19, 2017; 25% on June 19, 2018; and 50% on December 19, 2018.

Read SEC document
January 26, 2017 Filed Jan 27, 2017 22:56 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantRestricted Stock Units · Derivative 25,000 $0.00 $0.00
Disclosure

SEC source: 0000899243-17-002128 · doc4.xml · derivative · entry 2

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 25,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: These restricted stock units vest as to 20% on January 26, 2018, 30% on January 26, 2019 and 50% on January 26, 2020.

F3 · derivative.expiration_date: These restricted stock units vest as to 20% on January 26, 2018, 30% on January 26, 2019 and 50% on January 26, 2020.

Read SEC document
January 26, 2017 Filed Jan 27, 2017 22:56 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantStock Option (right to buy) · Derivative 50,000 $0.00 Strike: $9.89 $0.00
Disclosure

SEC source: 0000899243-17-002128 · doc4.xml · derivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2027-01-25

F1 · derivative.exercise_date: The option will vest as to 25% of the shares on January 26, 2018. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

Read SEC document
September 19, 2016 Filed Sep 20, 2016 20:59 UTC Seres Therapeutics, Inc. MCRB · Entity 7191 GrantStock Option (right to buy) · Derivative 30,000 $0.00 Strike: $12.55 $0.00
Disclosure

SEC source: 0000899243-16-029446 · doc4.xml · derivative · entry 1

Aunins John G. · CIK 0001643756 · Chief Technology Officer & EVP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2026-09-18

F1 · derivative.exercise_date: The option will vest as to 25% of the shares on September 19, 2017. The remainder of the shares will vest in 12 equal quarterly installments thereafter.

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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.