CSW

SEC source: 0001624794-19-000045 · wf-form4_156599113636011.xml · nonDerivative · entry 5

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,978

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.00 to $69.28, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001624794-19-000045 · wf-form4_156599113636011.xml · nonDerivative · entry 4

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,978

F5 · acquired: Represents shares donated by the Reporting Person to a charitable donor advised fund.

SEC source: 0001624794-19-000045 · wf-form4_156599113636011.xml · nonDerivative · entry 3

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,140

F1 · kind: Within the transactions reported, a total of 5,000 shares were effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.98 to $70.17, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001624794-19-000045 · wf-form4_156599113636011.xml · nonDerivative · entry 2

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,866

F1 · kind: Within the transactions reported, a total of 5,000 shares were effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.93 to $69.91, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001624794-19-000045 · wf-form4_156599113636011.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,340

F1 · kind: Within the transactions reported, a total of 5,000 shares were effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.77 to $68.53, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001624794-19-000028 · wf-form4_156043869320418.xml · nonDerivative · entry 1

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,243.715

F1 · shares: Reflects an automatic dividend reinvestment on the Reporting Person's directly owned common stock.

SEC source: 0001624794-19-000027 · wf-form4_156027627497229.xml · nonDerivative · entry 1

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,226

SEC source: 0001624794-19-000023 · wf-form4_155907950992300.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,140

F1 · acquired: Represents shares donated by the Reporting Person to a charitable donor advised fund.

SEC source: 0001624794-19-000022 · wf-form4_155907948378215.xml · nonDerivative · entry 1

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,909

F1 · acquired: Represents shares donated by the Reporting Person to a charitable donor advised fund.

SEC source: 0001624794-19-000014 · wf-form4_155501648531023.xml · derivative · entry 3

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,322

Underlying: Common Stock · 2,201 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 performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.exercise_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.expiration_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F2 · balance_after: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on each of March 31, 2020, 2021, and 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000014 · wf-form4_155501648531023.xml · nonDerivative · entry 2

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,224

SEC source: 0001624794-19-000014 · wf-form4_155501648531023.xml · nonDerivative · entry 1

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,999

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.

SEC source: 0001624794-19-000016 · wf-form4_155501656712000.xml · derivative · entry 3

Sullivan Don · CIK 0001663176 · SVP & GM, Ind. Products

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,153

Underlying: Common Stock · 2,481 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 performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.exercise_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.expiration_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F2 · balance_after: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on each of March 31, 2020, 2021, and 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000016 · wf-form4_155501656712000.xml · nonDerivative · entry 2

Sullivan Don · CIK 0001663176 · SVP & GM, Ind. Products

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,304

SEC source: 0001624794-19-000016 · wf-form4_155501656712000.xml · nonDerivative · entry 1

Sullivan Don · CIK 0001663176 · SVP & GM, Ind. Products

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,227

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.

SEC source: 0001624794-19-000015 · wf-form4_155501652375029.xml · derivative · entry 4

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,286

Underlying: Common Stock · 22,407 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 performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.exercise_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.expiration_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F2 · balance_after: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on each of March 31, 2020, 2021, and 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000015 · wf-form4_155501652375029.xml · nonDerivative · entry 2

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,254

SEC source: 0001624794-19-000015 · wf-form4_155501652375029.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,632

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.

SEC source: 0001624794-19-000012 · wf-form4_155501640343090.xml · derivative · entry 3

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,474

Underlying: Common Stock · 5,961 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 performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.exercise_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.expiration_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F2 · balance_after: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on each of March 31, 2020, 2021, and 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000012 · wf-form4_155501640343090.xml · nonDerivative · entry 2

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,617

SEC source: 0001624794-19-000012 · wf-form4_155501640343090.xml · nonDerivative · entry 1

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,842

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.

SEC source: 0001624794-19-000013 · wf-form4_155501644742789.xml · derivative · entry 3

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,025

Underlying: Common Stock · 2,281 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 performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.exercise_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F1 · derivative.expiration_date: Each performance right represented a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vested at a rate between 0% and 100% during a three-year performance cycle ending on each of March 31, 2019 based on the issuer's relative total shareholder return in comparison to a pre-selected peer group. The performance rights vested at 95% of the target award amount and were settled in shares of common stock pursuant to the award agreement terms.

F2 · balance_after: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on each of March 31, 2020, 2021, and 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000013 · wf-form4_155501644742789.xml · nonDerivative · entry 2

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,176

SEC source: 0001624794-19-000013 · wf-form4_155501644742789.xml · nonDerivative · entry 1

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,002

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.

SEC source: 0001624794-19-000009 · wf-form4_155432701815805.xml · derivative · entry 1

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,523

Underlying: Common Stock · 2,572 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.expiration_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000007 · wf-form4_155432528727431.xml · derivative · entry 3

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,693

Underlying: Common Stock · 13,373 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F3 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F3 · derivative.expiration_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000008 · wf-form4_155432694289628.xml · derivative · entry 1

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,435

Underlying: Common Stock · 4,510 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.expiration_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000011 · wf-form4_155432715387570.xml · derivative · entry 1

Sullivan Don · CIK 0001663176 · SVP & GM, Ind. Products

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,634

Underlying: Common Stock · 3,006 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.expiration_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000010 · wf-form4_155432708699016.xml · derivative · entry 1

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,306

Underlying: Common Stock · 2,848 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

F1 · derivative.expiration_date: Each performance right represents a contingent right to receive one share of the issuer's common stock at vesting. The performance rights vest at a rate between 0% and 200% during a three-year performance cycle beginning on April 1, 2019 and ending on March 31, 2022 based on the issuer's relative total shareholder return in comparison to the total shareholder return performance among the Russell 2000 Index over the performance cycle. The performance rights may be settled, at the issuer's discretion, in cash or shares of common stock.

SEC source: 0001624794-19-000007 · wf-form4_155432528727431.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,345

F1 · kind: The transaction reported was effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.10 to $57.72, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001593968-19-000606 · primary_01.xml · nonDerivative · entry 1

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,433

F1 · security: RSA with 3 Year Annual vesting schedule

SEC source: 0001593968-19-000479 · primary_01.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,345

F1 · kind: The transaction reported was effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.75 to $56.36, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001593968-19-000115 · primary_01.xml · nonDerivative · entry 1

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,835

SEC source: 0001593968-18-001558 · primary_01.xml · nonDerivative · entry 1

Swartz Robert M · CIK 0001413221 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,038

SEC source: 0001593968-18-001489 · primary_01.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,345

F1 · shares: Represents shares donated by the Reporting Person to a charitable donor advised fund.

SEC source: 0001593968-18-001325 · primary_01.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,345

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.85 to $52.55, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001593968-18-001406 · primary_01.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,345

F1 · date: This amended Form 4 is being filed by the reporting person solely for the purpose of including a contextual footnote to the Transaction Code that was not present in the original filing. No other changes to the original filing have been made.

F2 · kind: The transaction reported was effected pursuant to a 10b5-1 trading plan established by the reporting person on December 8, 2017.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.85 to $52.55, inclusive. The reporting person undertakes to provide to 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 the range.

SEC source: 0001593968-18-001301 · primary_01.xml · nonDerivative · entry 1

QUINN WILLIAM F · CIK 0001035219 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,427

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares cliff vest on the first anniversary of the grant.

SEC source: 0001593968-18-001308 · primary_01.xml · nonDerivative · entry 1

Sweezey Jay Kent · CIK 0001691674 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,845

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares cliff vest on the first anniversary of the grant.

SEC source: 0001593968-18-001312 · primary_01.xml · nonDerivative · entry 2

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,144

SEC source: 0001593968-18-001312 · primary_01.xml · nonDerivative · entry 1

Alverson Luke · CIK 0001668461 · SVP, GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,262

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares vest ratably over a three-year period on each annual anniversary of the grant.

SEC source: 0001593968-18-001310 · primary_01.xml · nonDerivative · entry 2

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,595

SEC source: 0001593968-18-001310 · primary_01.xml · nonDerivative · entry 1

Armes Joseph B · CIK 0001413614 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,205

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares vest ratably over a three-year period on each annual anniversary of the grant.

SEC source: 0001593968-18-001305 · primary_01.xml · nonDerivative · entry 1

Swartz Robert M · CIK 0001413221 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,038

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares cliff vest on the first anniversary of the grant.

SEC source: 0001593968-18-001307 · primary_01.xml · nonDerivative · entry 1

GAMBRELL MICHAEL R · CIK 0001277031 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,037

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares cliff vest on the first anniversary of the grant.

SEC source: 0001593968-18-001311 · primary_01.xml · nonDerivative · entry 2

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,179

F1 · security: RSA with 3 Year Annual vesting schedule

SEC source: 0001593968-18-001311 · primary_01.xml · nonDerivative · entry 1

Branning Greggory W · CIK 0001557808 · EVP, CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,662

F1 · security: RSA with 3 Year Annual vesting schedule

F2 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares vest ratably over a three-year period on each annual anniversary of the grant.

SEC source: 0001593968-18-001309 · primary_01.xml · nonDerivative · entry 1

JOHNSTON TERRY L · CIK 0001565364 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,611

F1 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares cliff vest on the first anniversary of the grant.

SEC source: 0001593968-18-001306 · primary_01.xml · nonDerivative · entry 2

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,022

F1 · security: RSA with 3 Year Annual vesting schedule

SEC source: 0001593968-18-001306 · primary_01.xml · nonDerivative · entry 1

Foster Craig James · CIK 0001663184 · SVP & GM, Spec. Chem.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,517

F1 · security: RSA with 3 Year Annual vesting schedule

F2 · price: Represents shares of restricted common stock granted to the reporting person pursuant to the issuer's Equity and Incentive Compensation Plan. The shares vest ratably over a three-year period on each annual anniversary of the grant.