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person · Reporting owner

STOLPER MARK

Disclosed activity across 5 companies

Tapewire entity
28030
SEC CIK
0001281961

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Coherus Oncology, Inc.CHRS · Entity 6276DirectorJune 03, 2024June 05, 2024
RTI SURGICAL, INC.RTIX · Entity 159205DirectorMarch 08, 2019March 11, 2019
RadNet, Inc.RDNT · Entity 3800EVP, Chief Financial OfficerMarch 03, 2026March 05, 2026
SURGALIGN HOLDINGS, INC.SRGA · Entity 109633DirectorAugust 15, 2022August 17, 2022
Starling Oncology, Inc.TOI · Entity 5327DirectorJuly 27, 2026July 29, 2026

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.

Coherus Oncology, Inc.

Report date June 03, 2024 · Filed June 05, 2024

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.76 · Expires 2034-06-03Direct112,000 Reported balance After 2024-06-03 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2024-06-03 · Grant · Acquired 112,000 · Balance 112,000

F1: The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the one year anniversary of June 3, 2024, subject to Reporting Person's continued service relationship with the Issuer on such vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the one year anniversary of June 3, 2024, subject to Reporting Person's continued service relationship with the Issuer on such vesting date.

RTI SURGICAL, INC.

Report date March 08, 2019 · Filed March 11, 2019

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2019-03-08 transaction · row 1
1 source row

Row 1 · 2019-03-08 · Disposition to issuer · Disposed 66,784 · Balance 0

F1: On March 8, 2019, pursuant to the Master Transaction Agreement, by and among the Issuer, RTI Surgical, Inc., a Delaware corporation ("Old RTI"), PS Spine Holdco, LLC, a Delaware limited liability company (the "Member"), and Bears Merger Sub, Inc., a Delaware corporation (the "Merger Sub"): (a) the Merger Sub merged with and into Old RTI, with Old RTI surviving as a wholly-owned subsidiary of the Issuer (the "Merger"); (b) the Member contributed all of the issued and outstanding membership interests of Paradigm Spine, LLC, a Delaware limited liability company and wholly owned subsidiary of the Member, to the Issuer; and (c) the Issuer was renamed "RTI Surgical Holdings, Inc."

F2: Pursuant to the Master Transaction Agreement, at the effective time of the Merger: (a) each issued and outstanding share of common stock of Old RTI converted automatically into one share of the Issuer's common stock; (b) each issued and outstanding share of Series A Convertible Preferred Stock of Old RTI converted automatically into one share of the Issuer's Series A Convertible Preferred Stock; and (c) each stock option and restricted stock award granted by Old RTI converted into a stock option or restricted stock award, as applicable, of the Issuer with respect to an equivalent number of shares of the Issuer's common stock on the same terms and conditions as were applicable prior to the Closing. This report reflects the beneficial ownership of the reporting person at the time of the consummation of the Merger and does not include the securities of the Issuer acquired by the reporting person upon the consummation of the Merger.

F3: The reporting person will file a Form 4 reflecting his acquisition of the Issuer's securities in connection with the consummation of the Mergers.

F4: Total includes 21,322 shares of restricted stock that will vest on 2/26/2020.

Filing footnotes · ownership attribution and instrument terms

F1: On March 8, 2019, pursuant to the Master Transaction Agreement, by and among the Issuer, RTI Surgical, Inc., a Delaware corporation ("Old RTI"), PS Spine Holdco, LLC, a Delaware limited liability company (the "Member"), and Bears Merger Sub, Inc., a Delaware corporation (the "Merger Sub"): (a) the Merger Sub merged with and into Old RTI, with Old RTI surviving as a wholly-owned subsidiary of the Issuer (the "Merger"); (b) the Member contributed all of the issued and outstanding membership interests of Paradigm Spine, LLC, a Delaware limited liability company and wholly owned subsidiary of the Member, to the Issuer; and (c) the Issuer was renamed "RTI Surgical Holdings, Inc."

F2: Pursuant to the Master Transaction Agreement, at the effective time of the Merger: (a) each issued and outstanding share of common stock of Old RTI converted automatically into one share of the Issuer's common stock; (b) each issued and outstanding share of Series A Convertible Preferred Stock of Old RTI converted automatically into one share of the Issuer's Series A Convertible Preferred Stock; and (c) each stock option and restricted stock award granted by Old RTI converted into a stock option or restricted stock award, as applicable, of the Issuer with respect to an equivalent number of shares of the Issuer's common stock on the same terms and conditions as were applicable prior to the Closing. This report reflects the beneficial ownership of the reporting person at the time of the consummation of the Merger and does not include the securities of the Issuer acquired by the reporting person upon the consummation of the Merger.

F3: The reporting person will file a Form 4 reflecting his acquisition of the Issuer's securities in connection with the consummation of the Mergers.

F4: Total includes 21,322 shares of restricted stock that will vest on 2/26/2020.

RadNet, Inc.

Report date March 03, 2026 · Filed March 05, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect121,943 Reported balance After 2026-03-03 transaction · row 1
1 source row

Row 1 · 2026-03-03 · Grant · Acquired 18,228 · Balance 121,943

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock. Amount reported is net of 1,060 restricted stock awards transferred pursuant to a domestic relations order. Subject to the reporting person's continued service, twenty-percent (20%) of the RSUs will vest on March 10, 2026; the remaining eighty-percent (80%) will vest in three equal annual installments with one-third (1/3) vesting on each of March 10, 2027, 2028, and 2029, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock. Amount reported is net of 1,060 restricted stock awards transferred pursuant to a domestic relations order. Subject to the reporting person's continued service, twenty-percent (20%) of the RSUs will vest on March 10, 2026; the remaining eighty-percent (80%) will vest in three equal annual installments with one-third (1/3) vesting on each of March 10, 2027, 2028, and 2029, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

SURGALIGN HOLDINGS, INC.

Report date August 15, 2022 · Filed August 17, 2022

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect28,867 Reported balance After 2022-08-15 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2022-08-15 · Grant · Acquired 22,857 · Balance 28,867

F1: Represents shares of restricted stock of Surgalign Holdings, Inc. (the "Company") granted as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

F2: The total shares reported reflect 1:30 reverse stock split on May 17, 2022.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of restricted stock of Surgalign Holdings, Inc. (the "Company") granted as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

F2: The total shares reported reflect 1:30 reverse stock split on May 17, 2022.

Starling Oncology, Inc.

Report date July 27, 2026 · Filed July 29, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect56,957 Reported balance After 2026-07-27 transaction · row 1
1 source row

Row 1 · 2026-07-27 · Grant · Acquired 31,124 · Balance 56,957

F1: Represents grant of restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of the Issuer's common stock upon settlement. The RSUs vest in full on the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on the vesting date.

Filing footnotes · ownership attribution and instrument terms

F1: Represents grant of restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of the Issuer's common stock upon settlement. The RSUs vest in full on the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on the vesting date.

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
July 27, 2026 Filed Jul 29, 2026 22:52 UTC Starling Oncology, Inc. TOI · Entity 5327 GrantCommon Stock 31,124 $0.00 $0.00
Disclosure

SEC source: 0001079973-26-000987 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,957

F1 · kind: Represents grant of restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of the Issuer's common stock upon settlement. The RSUs vest in full on the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continued service with the Issuer on the vesting date.

Read SEC document
July 07, 2026 Filed Jul 9, 2026 20:30 UTC Starling Oncology, Inc. TOI · Entity 5327 GrantCommon Stock 25,833 $0.00 $0.00
Disclosure

SEC source: 0001079973-26-000939 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,833

F1 · kind: Represents RSU award that was fully vested upon grant.

Read SEC document
March 03, 2026 Filed Mar 5, 2026 21:15 UTC RadNet, Inc. RDNT · Entity 3800 GrantCommon Stock 18,228 $0.00 $0.00
Disclosure

SEC source: 0001683168-26-001529 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,943

F1 · shares: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock. Amount reported is net of 1,060 restricted stock awards transferred pursuant to a domestic relations order. Subject to the reporting person's continued service, twenty-percent (20%) of the RSUs will vest on March 10, 2026; the remaining eighty-percent (80%) will vest in three equal annual installments with one-third (1/3) vesting on each of March 10, 2027, 2028, and 2029, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

Read SEC document
December 10, 2025 Filed Dec 12, 2025 21:15 UTC RadNet, Inc. RDNT · Entity 3800 Exercise / conversionEmployee Stock Option (right to buy) · Derivative 35,703 $0.00 Strike: $6.07 $0.00
Disclosure

SEC source: 0001683168-25-009105 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,703 shares

Expires 2026-01-04

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

F2 · derivative.exercise_date: On January 4, 2016, the reporting person was granted a stock option to purchase up to 35,703 shares of common stock of RadNet, Inc., subject to time-based vesting. Subject to the reporting person's continued service, the stock option vested in three equal annual installments, 1/3 on first anniversary of issuance and 1/3 on each anniversary thereafter.

Read SEC document
December 10, 2025 Filed Dec 12, 2025 21:15 UTC RadNet, Inc. RDNT · Entity 3800 Exercise / conversionCommon Stock 35,703 $6.07 $216,717.21
Disclosure

SEC source: 0001683168-25-009105 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,715

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: Exercise of previously granted option.

Read SEC document
September 16, 2025 Filed Sep 18, 2025 21:29 UTC RadNet, Inc. RDNT · Entity 3800 SaleCommon Stock 35,000 $73.89 $2,586,150.00
Disclosure

SEC source: 0001683168-25-007119 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,012

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.51 to $74.57.

Read SEC document
January 08, 2025 Filed Jan 10, 2025 22:47 UTC RadNet, Inc. RDNT · Entity 3800 GrantCommon Stock 22,889 $0.00 $0.00
Disclosure

SEC source: 0001683168-25-000257 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,012

F1 · shares: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock. Amount reported is net of 1,332 restricted stock awards transferred pursuant to a domestic relations order. Subject to the reporting person's continued service, twenty-percent (20%) of the RSUs will vest on March 10, 2025; the remaining eighty-percent (80%) will vest in three equal annual installments with one-third (1/3) vesting on each of March 10, 2026, 2027, and 2028, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

Read SEC document
December 16, 2024 Filed Dec 18, 2024 22:14 UTC RadNet, Inc. RDNT · Entity 3800 GiftCommon Stock 275 $0.00 $0.00
Disclosure

SEC source: 0001683168-24-008817 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,123

F1 · price: Shares were transferred in a charitable donation.

Read SEC document
June 10, 2024 Filed Jun 12, 2024 21:36 UTC RadNet, Inc. RDNT · Entity 3800 SaleCommon Stock 25,000 $61.27 $1,531,750.00
Disclosure

SEC source: 0001683168-24-004151 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,398

Read SEC document
June 03, 2024 Filed Jun 5, 2024 22:49 UTC Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 112,000 $0.00 Strike: $1.76 $0.00
Disclosure

SEC source: 0001610717-24-000289 · form4.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,000

Underlying: Common Stock · 112,000 shares

Expires 2034-06-03

F1 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 100% of the total number of shares subject to the option on the one year anniversary of June 3, 2024, subject to Reporting Person's continued service relationship with the Issuer on such vesting date.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 02:25 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 27,276 $0.00 Strike: $18.64 $0.00
Disclosure

SEC source: 0001683168-24-001297 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,276

Underlying: Common Stock · 27,276 shares

Expires 2033-01-02

F3 · shares: On January 3, 2023, the reporting person was granted a stock option to purchase up to 29,891 shares of Issuer common stock, subject to performance and time-based vesting. As a result of the Issuer's performance for fiscal year 2023, 100% of the shares subject to the option vested as to the performance-based vesting requirements and, subject to the reporting person's continued service, such performance vested option shares will vest as to the time-based vesting requirements in three equal annual installments on March 10, 2025, March 10, 2026, and March 10, 2027, respectively.

F4 · shares: Amount reported is net of 2,615 option shares transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: On January 3, 2023, the reporting person was granted a stock option to purchase up to 29,891 shares of Issuer common stock, subject to performance and time-based vesting. As a result of the Issuer's performance for fiscal year 2023, 100% of the shares subject to the option vested as to the performance-based vesting requirements and, subject to the reporting person's continued service, such performance vested option shares will vest as to the time-based vesting requirements in three equal annual installments on March 10, 2025, March 10, 2026, and March 10, 2027, respectively.

Read SEC document
March 01, 2024 Filed Mar 5, 2024 02:25 UTC RadNet, Inc. RDNT · Entity 3800 GrantCommon Stock 14,072 $0.00 $0.00
Disclosure

SEC source: 0001683168-24-001297 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,398

F1 · shares: On January 3, 2023, the reporting person was granted a target number of 7,711 restricted stock units ("RSUs"), subject to a domestic relations order and subject to performance and time-based vesting. On March 1, 2024 the Compensation Committee determined that based on the Issuer's fiscal year 2023 performance, 200% of the target number of RSUs vested on performance-based vesting requirements. The RSU's will vest in two equal annual installments on March 10, 2025 and March 10, 2026, respectively, subject to continued service. Each RSU represents the contingent right to receive one share of RDNT common stock. Vested RSUs will be settled for RDNT shares on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of the Issuer, or (iv) a future date(s) if so specified in the reporting person's deferral election.

F2 · shares: Amount reported is net of 1,350 restricted stock units transferred pursuant to a domestic relations order.

Read SEC document
January 09, 2024 Filed Jan 11, 2024 00:39 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 14,558 $0.00 $0.00
Disclosure

SEC source: 0001683168-24-000203 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,558

Underlying: Common Stock · 14,558 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock.

F2 · shares: Amount reported is net of 1,396 restricted stock units transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: Subject to the reporting person's continued service, the RSU will vest in three equal annual installments with one-third vesting on March 10, 2024, and one-third vesting on each of March 10, 2025 and 2026, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

F3 · derivative.expiration_date: Subject to the reporting person's continued service, the RSU will vest in three equal annual installments with one-third vesting on March 10, 2024, and one-third vesting on each of March 10, 2025 and 2026, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in equal annual installment payments over five years beginning on January 10, 2028.

Read SEC document
June 07, 2023 Filed Jun 9, 2023 21:08 UTC Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 38,250 $0.00 Strike: $5.38 $0.00
Disclosure

SEC source: 0001610717-23-000121 · form4.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,250

Underlying: Common Stock · 38,250 shares

Expires 2033-06-07

F1 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 1/12th of the total number of shares subject to the option in successive, equal monthly installments measured from June 7, 2023, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

Read SEC document
May 12, 2023 Filed May 16, 2023 22:30 UTC RadNet, Inc. RDNT · Entity 3800 GiftCommon Stock 900 $0.00 $0.00
Disclosure

SEC source: 0001683168-23-003479 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,326

Read SEC document
May 04, 2023 Filed May 9, 2023 00:39 UTC RadNet, Inc. RDNT · Entity 3800 GiftCommon Stock 375 $0.00 $0.00
Disclosure

SEC source: 0001683168-23-003045 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,226

Read SEC document
February 28, 2023 Filed Mar 2, 2023 23:22 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 4,854 $0.00 Strike: $29.44 $0.00
Disclosure

SEC source: 0001683168-23-001258 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,854

Underlying: Common Stock · 4,854 shares

Expires 2032-01-03

F5 · shares: Amount reported is net of 465 option shares transferred pursuant to a domestic relations order.

F6 · derivative.exercise_date: On January 4, 2022, the reporting person was granted a stock option to purchase 21,275 shares of Issuer common stock, subject to a domestic relations order. The option vests upon (i) the achievement of certain performance criteria by the Issuer for fiscal year 2022, and (ii) satisfaction of time-based vesting conditions requiring the reporting person's continued service. As a result of the Issuer's performance for fiscal year 2022, 25% of the shares subject to the option vested as to the performance-based vesting requirements and, subject to the reporting person's continued service, such performance vested option shares will vest as to the time-based vesting requirements in three equal annual installments on January 4, 2024, January 4, 2025, and January 4, 2026, respectively. The performance vesting conditions for the RSUs and the stock option were the same.

Read SEC document
February 28, 2023 Filed Mar 2, 2023 23:22 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 2,227 $0.00 $0.00
Disclosure

SEC source: 0001683168-23-001258 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,227

Underlying: Common Stock · 2,227 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right, upon vesting of the RSU, to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · shares: Amount reported is net of 214 restricted stock units transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: On January 4, 2022, the reporting person was granted a target number of 4,882 RSUs, subject to a domestic relations order, that vest upon (i) the achievement of certain performance criteria by the Issuer for fiscal year 2022, and (ii) satisfaction of time-based vesting conditions requiring the reporting person's continued service. As a result of the Issuer's performance for fiscal year 2022, 50% of the target number of RSUs vested as to the performance-based vesting requirements and, subject to the reporting person's continued service, such performance vested RSUs will vest as to the time-based vesting requirements in two equal annual installments on January 4, 2024 and January 4, 2025, respectively.

F4 · derivative.exercise_date: The performance vesting conditions for the RSUs and the stock option were the same. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of the Issuer, or (iv) in annual installment payments over five years beginning on January 10, 2028.

F3 · derivative.expiration_date: On January 4, 2022, the reporting person was granted a target number of 4,882 RSUs, subject to a domestic relations order, that vest upon (i) the achievement of certain performance criteria by the Issuer for fiscal year 2022, and (ii) satisfaction of time-based vesting conditions requiring the reporting person's continued service. As a result of the Issuer's performance for fiscal year 2022, 50% of the target number of RSUs vested as to the performance-based vesting requirements and, subject to the reporting person's continued service, such performance vested RSUs will vest as to the time-based vesting requirements in two equal annual installments on January 4, 2024 and January 4, 2025, respectively.

F4 · derivative.expiration_date: The performance vesting conditions for the RSUs and the stock option were the same. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of the Issuer, or (iv) in annual installment payments over five years beginning on January 10, 2028.

Read SEC document
January 03, 2023 Filed Jan 6, 2023 00:35 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 27,276 $0.00 Strike: $18.64 $0.00
Disclosure

SEC source: 0001683168-23-000069 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,276

Underlying: Common Stock · 27,276 shares

Expires 2033-01-02

F4 · shares: Amount reported is net of 2,615 option shares transferred pursuant to a domestic relations order.

F5 · derivative.exercise_date: Subject to the reporting person's continued service, the option will vest as to one-third of the shares on March 10, 2023, one-third of the shares on March 10, 2024, and one-third of the shares on March 10, 2025, or the first business day thereafter if such date falls on a weekend or holiday, respectively.

Read SEC document
January 03, 2023 Filed Jan 6, 2023 00:35 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 14,073 $0.00 $0.00
Disclosure

SEC source: 0001683168-23-000069 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,073

Underlying: Common Stock · 14,073 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · shares: Amount reported is net of 1,350 restricted stock units transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: Subject to the reporting person's continued service, the RSU will vest in two equal annual installments with one-half vesting on March 10, 2023 and one-half vesting on March 10, 2024, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in annual installment payments over five years beginning on January 10, 2028.

F3 · derivative.expiration_date: Subject to the reporting person's continued service, the RSU will vest in two equal annual installments with one-half vesting on March 10, 2023 and one-half vesting on March 10, 2024, or the first business day thereafter if such date falls on a weekend or holiday, respectively. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) the reporting person's death or disability, (iii) a change in control of RadNet, or (iv) in annual installment payments over five years beginning on January 10, 2028.

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August 15, 2022 Filed Aug 17, 2022 16:42 UTC SURGALIGN HOLDINGS, INC. SRGA · Entity 109633 GrantCommon Stock 22,857 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-046165 · doc4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,867

F1 · shares: Represents shares of restricted stock of Surgalign Holdings, Inc. (the "Company") granted as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

F2 · balance_after: The total shares reported reflect 1:30 reverse stock split on May 17, 2022.

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January 07, 2022 Filed Jan 10, 2022 21:32 UTC Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 27,000 $0.00 Strike: $15.94 $0.00
Disclosure

SEC source: 0001567619-22-000924 · doc1.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires 2032-01-07

F1 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 1/12th of the total number of shares subject to the option in successive, equal monthly installments measured from January 1, 2022, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

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January 07, 2022 Filed Feb 11, 2022 21:13 UTC Amendment Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 27,000 $0.00 Strike: $14.67 $0.00
Disclosure

SEC source: 0001567619-22-003508 · doc1.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires 2032-01-07

F1 · derivative.exercise_price: The Form 4/A is being filed solely to correct a typographical error in the exercise price. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported.

F2 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 1/12th of the total number of shares subject to the option in successive, equal monthly installments measured from January 1, 2022, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

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January 04, 2022 Filed Jan 7, 2022 00:06 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee stock option (right to buy) · Derivative 10,635 $0.00 Strike: $29.44 $0.00
Disclosure

SEC source: 0001683168-22-000159 · ownership.xml · derivative · entry 4

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,635

Underlying: Common Stock · 10,635 shares

Expires 2032-01-03

Read SEC document
January 04, 2022 Filed Jan 7, 2022 00:06 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee stock option (right to buy) · Derivative 29,140 $0.00 Strike: $29.44 $0.00
Disclosure

SEC source: 0001683168-22-000159 · ownership.xml · derivative · entry 3

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,140

Underlying: Common Stock · 29,140 shares

Expires 2032-01-03

F4 · derivative.exercise_date: The option vested as to one-third of the shares on January 4, 2022, and will vest with respect to the remaining two-thirds of the shares, subject to the reporting person's continued service, in three equal annual installments on January 3, 2023, January 3, 2024, and January 3, 2025.

Read SEC document
January 04, 2022 Filed Jan 7, 2022 00:06 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 4,882 $0.00 $0.00
Disclosure

SEC source: 0001683168-22-000159 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,882

Underlying: Common Stock · 4,882 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F3 · derivative.exercise_date: The RSU will vest on January 3, 2023. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) death or disability, (iii) a change in control of RadNet, or (iv) in annual installments over five years, commencing on January 1, 2027. The vesting of RSUs may be accelerated under certain circumstances.

F3 · derivative.expiration_date: The RSU will vest on January 3, 2023. RDNT shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, (ii) death or disability, (iii) a change in control of RadNet, or (iv) in annual installments over five years, commencing on January 1, 2027. The vesting of RSUs may be accelerated under certain circumstances.

Read SEC document
January 04, 2022 Filed Jan 7, 2022 00:06 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 13,374 $0.00 $0.00
Disclosure

SEC source: 0001683168-22-000159 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,374

Underlying: Common Stock · 13,374 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · derivative.exercise_date: The RSU vested as to one-third of the shares on January 4, 2022, and will vest with respect to the remaining two-thirds of the shares, subject to the reporting person's continued service, in two equal annual installments on January 3, 2023 and January 3, 2024.

F2 · derivative.expiration_date: The RSU vested as to one-third of the shares on January 4, 2022, and will vest with respect to the remaining two-thirds of the shares, subject to the reporting person's continued service, in two equal annual installments on January 3, 2023 and January 3, 2024.

Read SEC document
September 21, 2021 Filed Sep 25, 2021 01:22 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 2,410 $0.00 $0.00
Disclosure

SEC source: 0001683168-21-004493 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,410

Underlying: Common Stock · 2,410 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · derivative.exercise_date: The RSUs are fully vested. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) September 21, 2026. The vesting of RSUs may also be accelerated under certain circumstances.

F2 · derivative.expiration_date: The RSUs are fully vested. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) September 21, 2026. The vesting of RSUs may also be accelerated under certain circumstances.

Read SEC document
May 21, 2021 Filed May 25, 2021 20:56 UTC Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 20,000 $0.00 Strike: $13.48 $0.00
Disclosure

SEC source: 0001567619-21-011154 · doc1.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2031-05-21

F1 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 1/12th of the total number of shares subject to the option in successive, equal monthly installments measured from May 21, 2021, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

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May 07, 2021 Filed May 10, 2021 21:23 UTC SURGALIGN HOLDINGS, INC. SRGA · Entity 109633 GrantCommon Stock 57,803 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-031329 · doc4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,946

F1 · shares: Represents restricted stock units of Surgalign Holdings, Inc. (the "Company") granted as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

Read SEC document
May 07, 2021 Filed Jul 2, 2021 20:48 UTC Amendment SURGALIGN HOLDINGS, INC. SRGA · Entity 109633 GrantCommon Stock 72,254 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-045021 · doc4a.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,397

F1 · shares: The Form 4 filed on 5/10/2021 representing restricted stock units of Surgalign Holdings, Inc. (the "Company") granted as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant erroneously reported 57,803 RSUs in column four. The purpose of this amendment is to correct the total underlying shares in columns four and five.

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February 01, 2021 Filed Feb 2, 2021 15:43 UTC SURGALIGN HOLDINGS, INC. SRGA · Entity 109633 PurchaseCommon Stock 16,667 $1.50 $25,000.50
Disclosure

SEC source: 0001209191-21-006640 · doc4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,143

Read SEC document
January 05, 2021 Filed Jan 7, 2021 21:32 UTC Coherus Oncology, Inc. CHRS · Entity 6276 GrantStock Option (Right to Buy) · Derivative 40,000 $0.00 Strike: $16.85 $0.00
Disclosure

SEC source: 0001567619-21-000738 · doc1.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 40,000 shares

Expires 2031-01-05

F1 · derivative.exercise_date: The underlying shares subject to the option vest and become exercisable as to 1/36th of the total number of shares subject to the option in successive, equal monthly installments measured from January 5, 2021, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.

Read SEC document
January 04, 2021 Filed Jan 7, 2021 01:59 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 19,317 $0.00 $0.00
Disclosure

SEC source: 0001683168-21-000050 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,317

Underlying: Common Stock · 19,317 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · shares: Amount reported is net of 1,852 restricted stock awards transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 4, 2021. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 4, 2026. The vesting of RSUs may also be accelerated under certain circumstances.

F3 · derivative.expiration_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 4, 2021. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 4, 2026. The vesting of RSUs may also be accelerated under certain circumstances.

Read SEC document
February 26, 2020 Filed Mar 2, 2020 18:40 UTC SURGALIGN HOLDINGS, INC. RTIX · Entity 109633 GrantCommon Stock 24,692 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-014370 · doc4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,476

F1 · shares: Represents shares of restricted stock of RTI Surgical Holdings, Inc. (the "Company") granted to Mr. Stolper as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

Read SEC document
January 06, 2020 Filed Jan 11, 2020 02:14 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 11,625 $0.00 Strike: $20.43 $0.00
Disclosure

SEC source: 0001683168-20-000093 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,354

Underlying: Common Stock · 11,625 shares

Expires 2030-01-06

F2 · derivative.exercise_date: Issued in connection with retention of employment. Vests in three equal annual installments with such vesting occurring on January 6, 2021, January 6, 2022, and January 6, 2023, respectively. The vesting of the stock option may also be accelerated under certain circumstances.

Read SEC document
January 06, 2020 Filed Jan 11, 2020 02:14 UTC RadNet, Inc. RDNT · Entity 3800 GrantCommon Stock 11,625 Not disclosed Not disclosed
Disclosure

SEC source: 0001683168-20-000093 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,239

F1 · price: Issued in connection with retention of employment. Vests in three equal annual installments with such vesting occurring on January 6, 2020, January 6, 2021, and January 6, 2022, respectively. The vesting of the common stock may also be accelerated under certain circumstances.

Read SEC document
January 06, 2020 Filed May 9, 2023 00:39 UTC Amendment RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 11,625 $0.00 Strike: $20.43 $0.00
Disclosure

SEC source: 0001683168-23-003046 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,354

Underlying: Common Stock · 11,625 shares

Expires 2030-01-06

F4 · derivative.exercise_date: Issued in connection with retention of employment. Vests in three equal annual installments with such vesting occurring on January 6, 2021, January 6, 2022, and January 6, 2023, respectively. The vesting of the stock option may also be accelerated under certain circumstances.

Read SEC document
January 06, 2020 Filed May 9, 2023 00:39 UTC Amendment RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 10,607 $0.00 $0.00
Disclosure

SEC source: 0001683168-23-003046 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,607

Underlying: Common Stock · 10,607 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · shares: Amount reported is net of 1,018 restricted stock awards transferred pursuant to a domestic relations order.

F3 · derivative.exercise_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 6, 2021. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 6, 2025. The vesting of RSUs may also be accelerated under certain circumstances.

F3 · derivative.expiration_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 6, 2021. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 6, 2025. The vesting of RSUs may also be accelerated under certain circumstances.

Read SEC document
August 15, 2019 Filed Aug 16, 2019 16:09 UTC RadNet, Inc. RDNT · Entity 3800 SaleCommon Stock 20,703 $15.15 $313,650.45
Disclosure

SEC source: 0001683168-19-002661 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,614

F1 · balance_after: This amount also reflects a reduction by two shares to correct the previously reported total number of shares benefically owned.

Read SEC document
March 18, 2019 Filed Mar 20, 2019 19:41 UTC RadNet, Inc. RDNT · Entity 3800 SaleCommon Stock 15,000 $14.99 $224,895.00
Disclosure

SEC source: 0001683168-19-000733 · ownership.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,317

F1 · balance_after: This amount also reflects a reduction by two shares to correct the previously reported total number of shares beneficially owned.

Read SEC document
March 08, 2019 Filed Mar 11, 2019 13:05 UTC RTI SURGICAL, INC. RTIX · Entity 159205 Disposition to issuerCommon Stock 66,784 Not disclosed Not disclosed
Disclosure

SEC source: 0001100441-19-000008 · primary_doc.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: On March 8, 2019, pursuant to the Master Transaction Agreement, by and among the Issuer, RTI Surgical, Inc., a Delaware corporation ("Old RTI"), PS Spine Holdco, LLC, a Delaware limited liability company (the "Member"), and Bears Merger Sub, Inc., a Delaware corporation (the "Merger Sub"): (a) the Merger Sub merged with and into Old RTI, with Old RTI surviving as a wholly-owned subsidiary of the Issuer (the "Merger"); (b) the Member contributed all of the issued and outstanding membership interests of Paradigm Spine, LLC, a Delaware limited liability company and wholly owned subsidiary of the Member, to the Issuer; and (c) the Issuer was renamed "RTI Surgical Holdings, Inc."

F2 · price: Pursuant to the Master Transaction Agreement, at the effective time of the Merger: (a) each issued and outstanding share of common stock of Old RTI converted automatically into one share of the Issuer's common stock; (b) each issued and outstanding share of Series A Convertible Preferred Stock of Old RTI converted automatically into one share of the Issuer's Series A Convertible Preferred Stock; and (c) each stock option and restricted stock award granted by Old RTI converted into a stock option or restricted stock award, as applicable, of the Issuer with respect to an equivalent number of shares of the Issuer's common stock on the same terms and conditions as were applicable prior to the Closing. This report reflects the beneficial ownership of the reporting person at the time of the consummation of the Merger and does not include the securities of the Issuer acquired by the reporting person upon the consummation of the Merger.

F3 · price: The reporting person will file a Form 4 reflecting his acquisition of the Issuer's securities in connection with the consummation of the Mergers.

F4 · price: Total includes 21,322 shares of restricted stock that will vest on 2/26/2020.

Read SEC document
March 08, 2019 Filed Mar 11, 2019 17:11 UTC SURGALIGN HOLDINGS, INC. RTIX · Entity 109633 GrantCommon Stock 66,784 Not disclosed Not disclosed
Disclosure

SEC source: 0001760173-19-000022 · primary_doc.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,784

F1 · price: On March 8, 2019, pursuant to the Master Transaction Agreement, by and among the Issuer, RTI Surgical, Inc., a Delaware corporation ("Old RTI"), PS Spine Holdco, LLC, a Delaware limited liability company (the "Member"), and Bears Merger Sub, Inc., a Delaware corporation (the "Merger Sub"): (a) the Merger Sub merged with and into Old RTI, with Old RTI surviving as a wholly-owned subsidiary of the Issuer (the "Merger"); (b) the Member contributed all of the issued and outstanding membership interests of Paradigm Spine, LLC, a Delaware limited liability company and wholly owned subsidiary of the Member, to the Issuer; and (c) the Issuer was renamed "RTI Surgical Holdings, Inc."

F2 · price: Pursuant to the Master Transaction Agreement, at the effective time of the Merger: (a) each issued and outstanding share of common stock of Old RTI converted automatically into one share of the Issuer's common stock; (b) each issued and outstanding share of Series A Convertible Preferred Stock of Old RTI converted automatically into one share of the Issuer's Series A Convertible Preferred Stock; and (c) each stock option and restricted stock award granted by Old RTI converted into a stock option or restricted stock award, as applicable, of the Issuer with respect to an equivalent number of shares of the Issuer's common stock on the same terms and conditions as were applicable prior to the Closing. This report reflects the beneficial ownership of the reporting person at the time of the consummation of the Merger and does not include the securities of the Issuer acquired by the reporting person upon the consummation of the Merger.

F3 · price: Total includes 21,322 shares of restricted stock that will vest on 2/26/2020.

Read SEC document
February 26, 2019 Filed Feb 27, 2019 14:43 UTC RTI SURGICAL, INC. RTIX · Entity 159205 GrantCommon Stock 21,322 $0.00 $0.00
Disclosure

SEC source: 0001100441-19-000001 · primary_doc.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,784

F1 · shares: Represents shares of restricted stock of RTI Surgical, Inc.(the "Company") granted to Mr. Stolper as part of the director compensation program of the Company, all of which will vest on the first anniversary of the date of grant.

Read SEC document
January 07, 2019 Filed Jan 15, 2019 20:25 UTC RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 21,729 $0.00 Strike: $10.93 $0.00
Disclosure

SEC source: 0001683168-19-000105 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,729

Underlying: Common Stock · 21,729 shares

Expires 2029-01-06

F3 · derivative.exercise_date: The stock option vests in three equal annual installments with the first such vesting installment occurring on January 7, 2019. The vesting of the stock option may also be accelerated under certain circumstances.

Read SEC document
January 07, 2019 Filed Jan 15, 2019 20:25 UTC RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 21,729 $0.00 $0.00
Disclosure

SEC source: 0001683168-19-000105 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,729

Underlying: Common Stock · 21,729 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · derivative.exercise_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 7, 2020. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 7, 2024. The vesting of RSUs may also be accelerated under certain circumstances.

F2 · derivative.expiration_date: The RSUs vest in three equal annual installments with the first such vesting installment occurring on January 7, 2020. RDNT Shares (and/or cash) will be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 7, 2024. The vesting of RSUs may also be accelerated under certain circumstances.

Read SEC document
January 07, 2019 Filed Mar 5, 2019 17:27 UTC Amendment RadNet, Inc. RDNT · Entity 3800 GrantEmployee Stock Option (right to buy) · Derivative 21,729 $0.00 Strike: $10.93 $0.00
Disclosure

SEC source: 0001683168-19-000552 · ownership.xml · derivative · entry 2

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,729

Underlying: Common Stock · 21,729 shares

Expires 2029-01-07

F3 · derivative.exercise_date: The stock option vests in three equal annual installments with such vesting occurring on January 7, 2020, January 7, 2021, and January 7, 2022, respectively. The vesting of the stock option may also be accelerated under certain circumstances.

Read SEC document
January 07, 2019 Filed Mar 5, 2019 17:27 UTC Amendment RadNet, Inc. RDNT · Entity 3800 GrantRestricted Stock Units · Derivative 21,729 $0.00 $0.00
Disclosure

SEC source: 0001683168-19-000552 · ownership.xml · derivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,729

Underlying: Common Stock · 21,729 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of RDNT common stock and/or the cash equivalent of such share.

F2 · derivative.exercise_date: The RSUs vest in three equal annual installments with such vesting occurring on January 7, 2019, January 7, 2020, and January 7, 2021, respectively. RDNT Shares (and/or cash) will generally be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 7, 2024. The vesting of RSUs may also be accelerated under certain circumstances.

F2 · derivative.expiration_date: The RSUs vest in three equal annual installments with such vesting occurring on January 7, 2019, January 7, 2020, and January 7, 2021, respectively. RDNT Shares (and/or cash) will generally be delivered to the reporting person in exchange for vested RSUs on the earlier of (i) the reporting person's separation from service, death or disability, (ii) a change in control of RDNT, or (iii) January 7, 2024. The vesting of RSUs may also be accelerated under certain circumstances.

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April 11, 2018 Filed Apr 11, 2018 20:33 UTC RadNet, Inc. RDNT · Entity 3800 GiftCommon Stock 2,000 $0.00 $0.00
Disclosure

SEC source: 0001683168-18-000971 · stolper_frm4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 128,319

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March 20, 2018 Filed Mar 20, 2018 22:58 UTC RadNet, Inc. RDNT · Entity 3800 SaleCommon Stock 15,000 $13.19 $197,850.00
Disclosure

SEC source: 0001683168-18-000730 · stolper_frm4.xml · nonDerivative · entry 1

STOLPER MARK · CIK 0001281961 · Executive VP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,319

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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.