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person · Reporting owner

Gagnon Robert E.

Disclosed activity across 5 companies

Tapewire entity
28521
SEC CIK
0001504983

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Bone Biologics CorpBBLG · Entity 8560DirectorSeptember 28, 2026September 30, 2026
HARVARD BIOSCIENCE INCHBIO · Entity 7369DirectorJune 09, 2026June 11, 2026
Opus Genetics, Inc.IRD · Entity 5892Chief Financial OfficerSeptember 03, 2026September 08, 2026
PURPLE BIOTECH LTD.PPBT · Entity 8457DirectorMarch 18, 2026March 18, 2026
Verastem, Inc.VSTM · Entity 5242DirectorDecember 16, 2025December 18, 2025

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.

Bone Biologics Corp

Report date September 28, 2026 · Filed September 30, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Non-Employee Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $0.50 · Expires 2036-09-28Direct113,896 Reported balance After 2026-09-28 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-09-28 · Grant · Acquired 113,896 · Balance 113,896

F1: This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests infour equal quarterly installments.

Non-Employee Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $5.28 · Expires 2035-06-04Direct10,483 Reported balance Holding disclosure · report date 2026-09-28 · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · Balance 10,483

F2: This option is fully exercisable as of the date of this report.

Non-Employee Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $10.38 · Expires 2034-09-17Direct5,119 Reported balance Holding disclosure · report date 2026-09-28 · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · Balance 5,119

F2: This option is fully exercisable as of the date of this report.

Non-Employee Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $25.44 · Expires 2034-01-08Direct2 Reported balance Holding disclosure · report date 2026-09-28 · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · Balance 2

F2: This option is fully exercisable as of the date of this report.

Non-Employee Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $25.44 · Expires 2034-01-08Direct1,335 Reported balance Holding disclosure · report date 2026-09-28 · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · Balance 1,335

F2: This option is fully exercisable as of the date of this report.

Filing footnotes · ownership attribution and instrument terms

F1: This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests infour equal quarterly installments.

F2: This option is fully exercisable as of the date of this report.

HARVARD BIOSCIENCE INC

Report date June 09, 2026 · Filed June 11, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect27,556 Reported balance After 2026-06-09 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-06-09 · Grant · Acquired 16,556 · Balance 27,556

F1: Represents an award of 16,556 restricted stock units that vests in full (i) immediately prior to the Company's next annual meeting; or (ii) one year from the date of grant, whichever is earlier.

F2: Includes (a) the award described in footnote (1) above and (b) 11,000 shares of common stock beneficially owned by the Reporting Person.

F3: On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 11,000 shares referenced in Footnote 2(b) were previously reported as covering 110,000 restricted stock units (which have now vested) and are beneficially owned by the Reporting Person. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: Represents an award of 16,556 restricted stock units that vests in full (i) immediately prior to the Company's next annual meeting; or (ii) one year from the date of grant, whichever is earlier.

F2: Includes (a) the award described in footnote (1) above and (b) 11,000 shares of common stock beneficially owned by the Reporting Person.

F3: On March 13, 2026, the common stock of Harvard Bioscience, Inc. underwent a reverse stock split in a ratio of 10-for-1. The 11,000 shares referenced in Footnote 2(b) were previously reported as covering 110,000 restricted stock units (which have now vested) and are beneficially owned by the Reporting Person. These numbers have been adjusted to reflect the stock split that occurred on March 13, 2026.

Opus Genetics, Inc.

Report date September 03, 2026 · Filed September 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect556,375 Reported balance After 2026-09-03 transaction · row 1
1 source row

Row 1 · 2026-09-03 · Sale · Disposed 28,000 · Balance 556,375

F1: A portion of the shares reported on this line were sold automatically on behalf of the Reporting Person, as required by the Issuer, to satisfy tax withholding obligations that arose in connection with the vesting and settlement of restricted stock units, and the remainder of the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026. The Rule 10b5-1 trading plan is a pre-arranged written trading plan pursuant to which shares of the Issuer's common stock are sold automatically based on a predetermined formula that was established by the Reporting Person at a time when the Reporting Person was not aware of any material nonpublic information about the Issuer.

F2: The price in column 4 represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $4.29 to $4.79, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Filing footnotes · ownership attribution and instrument terms

F1: A portion of the shares reported on this line were sold automatically on behalf of the Reporting Person, as required by the Issuer, to satisfy tax withholding obligations that arose in connection with the vesting and settlement of restricted stock units, and the remainder of the shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026. The Rule 10b5-1 trading plan is a pre-arranged written trading plan pursuant to which shares of the Issuer's common stock are sold automatically based on a predetermined formula that was established by the Reporting Person at a time when the Reporting Person was not aware of any material nonpublic information about the Issuer.

F2: The price in column 4 represents the weighted average price. The shares were sold in multiple transactions at prices ranging from $4.29 to $4.79, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

PURPLE BIOTECH LTD.

Report date March 18, 2026 · Filed March 18, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Ordinary SharesSEC Table I · non-derivativeDirect3,062,500 Reported balance Holding disclosure · report date 2026-03-18 · row 1 Holding and transaction disclosures are not merged.
1 source row

Row 1 · Balance 3,062,500

F1: Includes 2,454,167 unvested restricted stock units ("RSUs"), each with respect to one ordinary share, no par value, per share ("Ordinary Shares"), of Purple Biotech Ltd. (the "Issuer"). The RSUs are subject to time-based vesting conditions and are settled in Ordinary Shares. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents 2,000 Ordinary Shares

Stock Option (Right to Buy)SEC Table II · derivative / convertible securityDirectNot disclosed Reported balance Holding disclosure · report date 2026-03-18 · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · Balance Not disclosed

F2: Represents stock option to purchase 112,500 Ordinary Shares (equivalent to 56 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. The shares underlying this stock option are fully vested and exercisable. The exercise price of this stock option is $0.146765625 per Ordinary Share and the option expires on December 29, 2026.

Stock Option (Right to Buy)SEC Table II · derivative / convertible securityDirectNot disclosed Reported balance Holding disclosure · report date 2026-03-18 · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · Balance Not disclosed

F3: Represents stock option to purchase 300,000 Ordinary Shares (equivalent to 150 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. Options to purchase 274,997 Ordinary Shares are vested and exercisable, with the remaining options to purchase 25,003 Ordinary Shares vesting in equal quarterly installments until April 24,2026.The exercise price of this stock option is $0.059375 per Ordinary Share and the option expires on April 24, 2028.

Stock Option (Right to Buy)SEC Table II · derivative / convertible securityDirectNot disclosed Reported balance Holding disclosure · report date 2026-03-18 · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · Balance Not disclosed

F4: Represents stock option to purchase 2,650,000 Ordinary Shares (equivalent to 1,325 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. Options to purchase 220,833 Ordinary Shares are vested and exercisable, with the remaining options to purchase 2,429,167 Ordinary Shares vesting in equal quarterly installments until October 21, 2029.The exercise price of this stock option is $0.00309375 per Ordinary Share and the option expires on October 21, 2030.

Filing footnotes · ownership attribution and instrument terms

F1: Includes 2,454,167 unvested restricted stock units ("RSUs"), each with respect to one ordinary share, no par value, per share ("Ordinary Shares"), of Purple Biotech Ltd. (the "Issuer"). The RSUs are subject to time-based vesting conditions and are settled in Ordinary Shares. The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents 2,000 Ordinary Shares

F2: Represents stock option to purchase 112,500 Ordinary Shares (equivalent to 56 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. The shares underlying this stock option are fully vested and exercisable. The exercise price of this stock option is $0.146765625 per Ordinary Share and the option expires on December 29, 2026.

F3: Represents stock option to purchase 300,000 Ordinary Shares (equivalent to 150 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. Options to purchase 274,997 Ordinary Shares are vested and exercisable, with the remaining options to purchase 25,003 Ordinary Shares vesting in equal quarterly installments until April 24,2026.The exercise price of this stock option is $0.059375 per Ordinary Share and the option expires on April 24, 2028.

F4: Represents stock option to purchase 2,650,000 Ordinary Shares (equivalent to 1,325 ADSs), issued to the reporting person pursuant to the Issuer's 2016 Equity-Based Incentive Plan. Options to purchase 220,833 Ordinary Shares are vested and exercisable, with the remaining options to purchase 2,429,167 Ordinary Shares vesting in equal quarterly installments until October 21, 2029.The exercise price of this stock option is $0.00309375 per Ordinary Share and the option expires on October 21, 2030.

Verastem, Inc.

Report date December 16, 2025 · Filed December 18, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect41,678 Reported balance After 2025-12-16 transaction · row 1
1 source row

Row 1 · 2025-12-16 · Sale · Disposed 283 · Balance 41,678

F1: The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units.

Filing footnotes · ownership attribution and instrument terms

F1: The sale reported on this Form 4 represents shares sold by the Reporting Person to satisfy statutory withholding requirements in connection with the vesting of restricted stock units.

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
March 07, 2018 Filed Mar 12, 2018 21:23 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 SaleCommon Stock 97,087 $4.62 $448,541.94
Disclosure

SEC source: 0001209191-18-018906 · doc4.xml · nonDerivative · entry 1

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 357,938

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.55 to $4.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes (a) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (b) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (c) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (d) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (e) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; and (f) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return.

Read SEC document
January 01, 2018 Filed Jan 4, 2018 13:50 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 Tax withholdingCommon Stock 20,048 $3.30 $66,158.40
Disclosure

SEC source: 0001209191-18-001630 · doc4.xml · nonDerivative · entry 1

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 455,025

F1 · shares: The shares were disposed to satisfy the Reporting Person's tax withholding obligation in connection with deferred stock awards previously granted to the Reporting Person which vested in part on January 1, 2018.

F2 · balance_after: Includes (a) a deferred stock award of 81,522 restricted stock units which shall vest in three equal installments on January 1, 2019, 2020 and 2021; (b) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (c) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (d) a deferred stock award of 44,326 restricted stock units which shall vest in two equal installments on January 1, 2019 and 2020; (e) a deferred stock award of 6,625 restricted stock units which shall vest in full on January 1, 2019; (f) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (g) 97,087 shares of common stock held by the Reporting Person.

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May 26, 2017 Filed May 31, 2017 00:46 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 PurchaseCommon Stock 1,000 $2.33 $2,330.00
Disclosure

SEC source: 0001209191-17-036309 · doc4.xml · nonDerivative · entry 3

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 475,073

F5 · price: This transaction was executed in multiple trades at prices ranging from $2.33 to $2.34. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F6 · balance_after: Includes (a) a deferred stock award of 108,696 restricted stock units which shall vest in four equal installments on January 1, 2018, 2019, 2020 and 2021; (b) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (c) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (d) a deferred stock award of 66,489 restricted stock units which shall vest in three equal installments on January 1, 2018, 2019 and 2020; (e) a deferred stock award of 13,250 restricted stock units which shall vest in two equal installments on January 1, 2018 and 2019; (f) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (g) 61,173 shares of common stock held by the Reporting Person.

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May 25, 2017 Filed May 31, 2017 00:46 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 GrantCommon Stock 108,696 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-036309 · doc4.xml · nonDerivative · entry 2

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 474,073

F3 · shares: Represents a deferred stock award of 108,696 restricted stock units which shall vest in four equal installments on January 1, 2018, 2019, 2020 and 2021.

F4 · balance_after: Includes (a) a deferred stock award of 108,696 restricted stock units which shall vest in four equal installments on January 1, 2018, 2019, 2020 and 2021; (b) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (c) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (d) a deferred stock award of 66,489 restricted stock units which shall vest in three equal installments on January 1, 2018, 2019 and 2020; (e) a deferred stock award of 13,250 restricted stock units which shall vest in two equal installments on January 1, 2018 and 2019; (f) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (g) 60,173 shares of common stock held by the Reporting Person.

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May 25, 2017 Filed May 31, 2017 00:46 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 GrantCommon Stock 108,696 $0.00 $0.00
Disclosure

SEC source: 0001209191-17-036309 · doc4.xml · nonDerivative · entry 1

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 365,377

F1 · shares: Represents a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019.

F2 · balance_after: Includes (a) a deferred stock award of 108,696 restricted stock units which shall vest in full on May 25, 2019; (b) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (c) a deferred stock award of 66,489 restricted stock units which shall vest in three equal installments on January 1, 2018, 2019 and 2020; (d) a deferred stock award of 13,250 restricted stock units which shall vest in two equal installments on January 1, 2018 and 2019; (e) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (f) 60,173 shares of common stock held by the Reporting Person.

Read SEC document
January 01, 2017 Filed Jan 4, 2017 21:35 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 Tax withholdingCommon Stock 10,868 $3.05 $33,147.40
Disclosure

SEC source: 0001209191-17-000951 · doc4.xml · nonDerivative · entry 1

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,681

F1 · shares: The shares were disposed to satisfy the Reporting Person's tax withholding obligation in connection with deferred stock awards previously granted to the Reporting Person which vested in part on January 1, 2017.

F2 · balance_after: Includes (a) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (b) a deferred stock award of 66,489 restricted stock units which shall vest in three equal installments on January 1, 2018, 2019 and 2020; (c) a deferred stock award of 13,250 restricted stock units which shall vest in two equal installments on January 1, 2018 and 2019; (d) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (e) 60,173 shares of common stock held by the Reporting Person.

Read SEC document
November 03, 2016 Filed Nov 3, 2016 20:11 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 PurchaseCommon Stock 20,000 $2.34 $46,800.00
Disclosure

SEC source: 0001209191-16-148156 · doc4.xml · nonDerivative · entry 2

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,549

F3 · price: This transaction was executed in several trades between $2.30 and $2.40. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 · balance_after: Includes (a) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (b) a deferred stock award of 88,652 restricted stock units which shall vest in four equal installments on January 1, 2017, 2018, 2019 and 2020; (c) a deferred stock award of 19,875 restricted stock units which shall vest in three equal installments on January 1, 2017, 2018 and 2019; (d) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (e) 42,253 shares of common stock held by the Reporting Person.

Read SEC document
November 02, 2016 Filed Nov 3, 2016 20:11 UTC HARVARD BIOSCIENCE INC HBIO · Entity 7369 PurchaseCommon Stock 5,000 $2.33 $11,650.00
Disclosure

SEC source: 0001209191-16-148156 · doc4.xml · nonDerivative · entry 1

Gagnon Robert E. · CIK 0001504983 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 247,549

F1 · price: This transaction was executed in two trades at $2.3415 and $2.3258. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · balance_after: Includes (a) a deferred stock award of 88,652 restricted stock units which shall vest in full on May 6, 2018; (b) a deferred stock award of 88,652 restricted stock units which shall vest in four equal installments on January 1, 2017, 2018, 2019 and 2020; (c) a deferred stock award of 19,875 restricted stock units which shall vest in three equal installments on January 1, 2017, 2018 and 2019; (d) a deferred stock award of 28,117 restricted stock units with performance based vesting conditions, which shall vest on August 3, 2018 contingent upon achievement of a performance condition tied to relative total shareholder return; and (e) 22,253 shares of common stock held by the Reporting Person.

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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.