KIDS

SEC source: 0001425450-18-000108 · wf-form4_153694848736412.xml · nonDerivative · entry 1

Unger Kevin · CIK 0001478366 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,400

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: 0001425450-18-000106 · wf-form4_153626320755147.xml · derivative · entry 6

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,278 shares

Expires 2020-07-23

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_date: The stock option is fully vested and immediately exercisable.

SEC source: 0001425450-18-000106 · wf-form4_153626320755147.xml · derivative · entry 5

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,247 shares

Expires 2019-01-19

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_date: The stock option is fully vested and immediately exercisable.

SEC source: 0001425450-18-000106 · wf-form4_153626320755147.xml · nonDerivative · entry 4

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,218

SEC source: 0001425450-18-000106 · wf-form4_153626320755147.xml · nonDerivative · entry 3

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,496

SEC source: 0001425450-18-000106 · wf-form4_153626320755147.xml · nonDerivative · entry 2

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,743

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: 0001425450-18-000106 · wf-form4_153626320755147.xml · nonDerivative · entry 1

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,465

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.

SEC source: 0001425450-18-000090 · wf-form4_152970136859728.xml · nonDerivative · entry 1

Hughes Bryan W · CIK 0001719269 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,204

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000093 · wf-form4_152970145519016.xml · nonDerivative · entry 1

Schlotterback Terry D · CIK 0001719251 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,951

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000088 · wf-form4_152970130948542.xml · nonDerivative · entry 1

Unger Kevin · CIK 0001478366 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,204

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000094 · wf-form4_152970148419513.xml · nonDerivative · entry 1

Infante (Reynolds) Marie C · CIK 0001719206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,802

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000092 · wf-form4_152970142672123.xml · nonDerivative · entry 1

Ruf Harold · CIK 0001719213 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,400

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

F2 · ownership.nature: These shares are held by Ruf and Associates LLC ("Ruf"). As the President of Ruf, the reporting person is deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

SEC source: 0001425450-18-000091 · wf-form4_152970139928086.xml · nonDerivative · entry 1

Riccitelli Samuel D · CIK 0001414839 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,400

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000089 · wf-form4_152970133730820.xml · nonDerivative · entry 1

Berry Bernie B III · CIK 0001719253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,410

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000087 · wf-form4_152970128106232.xml · nonDerivative · entry 1

Burns Stephen F · CIK 0001719297 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,400

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000086 · wf-form4_152970125333171.xml · nonDerivative · entry 1

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,400

F1 · balance_after: Includes restricted stock awards totaling 1,400 shares.

SEC source: 0001425450-18-000072 · wf-form4_152718742764554.xml · nonDerivative · entry 1

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,000

F1 · shares: Represents shares purchased by Mr. Pelizzon in the open market.

SEC source: 0001425450-18-000066 · wf-form4_152632066497400.xml · nonDerivative · entry 1

Burns Stephen F · CIK 0001719297 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 35,862

F1 · kind: Pro rata distribution to Stephen F Burns Trust from Stepstone OrthoPediatrics Holdings, LLC in which the Trust was a non-managing member.

F1 · price: Pro rata distribution to Stephen F Burns Trust from Stepstone OrthoPediatrics Holdings, LLC in which the Trust was a non-managing member.

F1 · balance_after: Pro rata distribution to Stephen F Burns Trust from Stepstone OrthoPediatrics Holdings, LLC in which the Trust was a non-managing member.

SEC source: 0001425450-18-000054 · wf-form4_152390712454404.xml · nonDerivative · entry 1

Odle Gregory A · CIK 0001719088 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,679

F1 · shares: Shares sold to satisfy tax withholding obligations upon vesting of restricted shares.

SEC source: 0001425450-18-000057 · wf-form4_152390720769178.xml · nonDerivative · entry 1

Throdahl Mark C · CIK 0001439415 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,651

F1 · shares: Shares sold to satisfy tax withholding obligations upon vesting of restricted shares.

SEC source: 0001425450-18-000056 · wf-form4_152390719155277.xml · nonDerivative · entry 1

Hite Fred · CIK 0001298644 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,529

F1 · shares: Shares sold to satisfy tax withholding obligations upon vesting of restricted shares.

SEC source: 0001425450-18-000053 · wf-form4_152390710549038.xml · nonDerivative · entry 1

Bailey David R · CIK 0001719296 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,764

F1 · shares: Shares sold to satisfy tax withholding obligations upon vesting of restricted shares.

SEC source: 0001425450-18-000055 · wf-form4_152390714306366.xml · nonDerivative · entry 1

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,218

F1 · shares: Shares sold to satisfy tax withholding obligations upon vesting of restricted shares.

SEC source: 0001425450-18-000038 · wf-form4_152097536366040.xml · nonDerivative · entry 1

Berry Bernie B III · CIK 0001719253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,010

F1 · shares: Represents shares that were purchased by Mr. Berry via his IRA in the open market.

SEC source: 0001425450-18-000037 · wf-form4_152097534718300.xml · nonDerivative · entry 1

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

F1 · shares: Represents shares that were purchased by Mr. Pelizzon in the open market.

SEC source: 0001425450-18-000028 · wf-form4_151993676197740.xml · nonDerivative · entry 1

Odle Gregory A · CIK 0001719088 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,840

F1 · balance_after: Includes restricted stock awards totaling 94,280 shares.

SEC source: 0001425450-18-000027 · wf-form4_151993674208926.xml · nonDerivative · entry 1

Throdahl Mark C · CIK 0001439415 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,200

F1 · balance_after: Includes restricted stock awards totaling 75,424 shares.

SEC source: 0001425450-18-000029 · wf-form4_151993678133731.xml · nonDerivative · entry 1

Bailey David R · CIK 0001719296 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,995

F1 · balance_after: Includes restricted stock awards totaling 79,283 shares.

SEC source: 0001425450-18-000030 · wf-form4_151993681427453.xml · nonDerivative · entry 1

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,363

F1 · balance_after: Includes restricted stock awards totaling 31,330 shares.

SEC source: 0001425450-18-000026 · wf-form4_151993672072711.xml · nonDerivative · entry 1

Hite Fred · CIK 0001298644 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,000

F1 · balance_after: Includes restricted stock awards totaling 77,000 shares.

SEC source: 0001144204-17-052683 · tv477016_4.xml · nonDerivative · entry 2

Odle Gregory A · CIK 0001719088 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,840

F2 · shares: Represents shares delivered to the Issuer to satisfy tax withholdings in connection with the lapse of restrictions on 32.117 shares of restricted common stock.

SEC source: 0001144204-17-052683 · tv477016_4.xml · nonDerivative · entry 1

Odle Gregory A · CIK 0001719088 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,613

F1 · shares: Represents shares of restricted stock granted pursuant to the Issuer's 2017 Incentive Award Plan. These shares will vest in full on the six month anniversary of the grant date (subject to the reporting person's continued service through such date); provided, however, that these shares will vest in full if the reporting person's employment is terminated by reason of death or disability or without "cause," or if the reporting person terminates his employment for "good reason" (each as defined in the reporting person's employment agreement).

SEC source: 0001144204-17-052691 · tv477024_4.xml · derivative · entry 4

Squadron Capital LLC · CIK 0001719228 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,785,833 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 share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F3 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F3 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

SEC source: 0001144204-17-052691 · tv477024_4.xml · derivative · entry 3

Squadron Capital LLC · CIK 0001719228 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 670,000 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 share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F3 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F3 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

SEC source: 0001144204-17-052691 · tv477024_4.xml · nonDerivative · entry 2

Squadron Capital LLC · CIK 0001719228 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,378,441

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 · shares: Represents shares received upon conversion of a $16.0 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F3 · price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

SEC source: 0001144204-17-052691 · tv477024_4.xml · nonDerivative · entry 1

Squadron Capital LLC · CIK 0001719228 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,458,379

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: Represents shares received upon conversion of the Series A Convertible Preferred Stock and the Series B Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F3 · price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

SEC source: 0001144204-17-052686 · tv477019_4.xml · derivative · entry 3

Throdahl Mark C · CIK 0001439415 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,640 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.

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

SEC source: 0001144204-17-052686 · tv477019_4.xml · nonDerivative · entry 2

Throdahl Mark C · CIK 0001439415 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 157,200

F3 · shares: Represents shares delivered to the Issuer to satisfy tax withholdings in connection with the lapse of restrictions on 67,877 shares of restricted common stock.

SEC source: 0001144204-17-052686 · tv477019_4.xml · nonDerivative · entry 1

Throdahl Mark C · CIK 0001439415 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Represents shares received upon conversion of the Series B Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F2 · price: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

SEC source: 0001144204-17-052690 · tv477023_4.xml · derivative · entry 5

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,785,833 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.

F4 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F4 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F4 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F5 · ownership.nature: These shares are held by Squadron Capital LLC ("Squadron"). As the President and a member of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

SEC source: 0001144204-17-052690 · tv477023_4.xml · derivative · entry 4

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 670,000 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.

F4 · derivative.exercise_price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F4 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F4 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F5 · ownership.nature: These shares are held by Squadron Capital LLC ("Squadron"). As the President and a member of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

SEC source: 0001144204-17-052690 · tv477023_4.xml · nonDerivative · entry 3

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

F3 · shares: Represents shares that were purchased through a directed share program in connection with the Issuer's initial public offering.

SEC source: 0001144204-17-052690 · tv477023_4.xml · nonDerivative · entry 2

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,378,441

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 · shares: Represents shares received upon conversion of a $16.0 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F4 · price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F5 · ownership.nature: These shares are held by Squadron Capital LLC ("Squadron"). As the President and a member of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

SEC source: 0001144204-17-052690 · tv477023_4.xml · nonDerivative · entry 1

Pelizzon David R · CIK 0001719217 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,458,379

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: Represents shares received upon conversion of the Series A Convertible Preferred Stock and the Series B Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F4 · price: Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering. In connection with the conversion of the Series A Convertible Preferred Stock into Common Stock, a $16.00 million preference payment, and approximately $8.96 million of accrued and unpaid dividends, on the Series A Convertible Preferred Stock converted into 1,920,062 shares of Common Stock for no additional consideration at a conversion price of $13.00 per share (the initial public offering price of the Common Stock).

F5 · ownership.nature: These shares are held by Squadron Capital LLC ("Squadron"). As the President and a member of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

SEC source: 0001144204-17-052689 · tv477022_4.xml · nonDerivative · entry 1

Ruf Harold · CIK 0001719213 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,500

F1 · shares: Represents shares that were purchased through a directed share program in connection with the Issuer's initial public offering.

F2 · ownership.direct: Held as tenants-in-common with the reporting person's son.

SEC source: 0001144204-17-052688 · tv477021_4.xml · derivative · entry 2

Berry Bernie B III · CIK 0001719253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,020 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.

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

SEC source: 0001144204-17-052688 · tv477021_4.xml · nonDerivative · entry 1

Berry Bernie B III · CIK 0001719253 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,263

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: Represents shares received upon conversion of the Series B Convertible Preferred Stock immediately prior to the completion of the Issuer's initial public offering.

F2 · price: Each share of Series B Convertible Preferred Stock converted into approximately 0.67 shares of Common Stock for no additional consideration immediately prior to the completion of the Issuer's initial public offering.

SEC source: 0001144204-17-052687 · tv477020_4.xml · nonDerivative · entry 1

Hite Fred · CIK 0001298644 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,000

F1 · shares: Represents shares of restricted stock granted pursuant to the Issuer's 2017 Incentive Award Plan. These shares will vest in full on the six month anniversary of the grant date (subject to the reporting person's continued service through such date); provided, however, that these shares will vest in full if the reporting person's employment is terminated by reason of death or disability or without "cause," or if the reporting person terminates his employment for "good reason" (each as defined in the reporting person's employment agreement).

SEC source: 0001144204-17-052685 · tv477018_4.xml · nonDerivative · entry 2

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,363

F2 · shares: Represents shares delivered to the Issuer to satisfy tax withholdings in connection with the lapse of restrictions on 5,333 shares of restricted common stock.

SEC source: 0001144204-17-052685 · tv477018_4.xml · nonDerivative · entry 1

Gerritzen Daniel J · CIK 0001718972 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,663

F1 · shares: Represents shares of restricted stock granted pursuant to the Issuer's 2017 Incentive Award Plan. These shares will vest in full on the six month anniversary of the grant date (subject to the reporting person's continued service through such date); provided, however, that these shares will vest in full if the reporting person's employment is terminated by reason of death or disability or without "cause," or if the reporting person terminates his employment for "good reason" (each as defined in the reporting person's employment agreement).