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person · Reporting owner

Zachary Jennifer

Disclosed activity across 2 companies

Tapewire entity
10469
SEC CIK
0001737231

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Merck & Co., Inc.MRK · Entity 2807EVP, General CounselAugust 12, 2026August 13, 2026
REGENXBIO Inc.RGNX · Entity 2211DirectorMay 29, 2026June 02, 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.

Merck & Co., Inc.

Report date August 12, 2026 · Filed August 13, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect45,509.254 Ending reported balance After 2026-08-12 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-08-12 · Exercise / conversion · Acquired 41,494 · Balance 112,391.254

Row 2 · 2026-08-12 · Exercise / conversion · Acquired 13,433 · Balance 125,824.254

Row 3 · 2026-08-12 · Sale · Disposed 80,315 · Balance 45,509.254

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.0300 to $133.5000, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $117.89 · Expires 2033-05-01Direct0 Reported balance After 2026-08-12 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-08-12 · Exercise / conversion · Disposed 41,494 · Balance 0

F2: The options vested and became exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $84.71 · Expires 2035-04-28Direct0 Reported balance After 2026-08-12 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-08-12 · Exercise / conversion · Disposed 13,433 · Balance 0

F3: The options vest and become exercisable in equal installments on 4/29/2026, 4/29/2027, and 4/29/2028.

Filing footnotes · ownership attribution and instrument terms

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.0300 to $133.5000, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

F2: The options vested and became exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026.

F3: The options vest and become exercisable in equal installments on 4/29/2026, 4/29/2027, and 4/29/2028.

REGENXBIO Inc.

Report date May 29, 2026 · Filed June 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect31,871 Reported balance After 2026-05-29 transaction · row 1
1 source row

Row 1 · 2026-05-29 · Grant · Acquired 9,807 · Balance 31,871

F1: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $7.01 · Expires 2036-05-29Direct46,600 Reported balance After 2026-05-29 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-05-29 · Grant · Acquired 46,600 · Balance 46,600

F2: The option will vest on May 29, 2027 subject to the continuous service of the optionee to the Issuer.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer.

F2: The option will vest on May 29, 2027 subject to the continuous service of the optionee to the Issuer.

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
August 12, 2026 Filed Aug 13, 2026 20:11 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 13,433 $0.00 Strike: $84.71 $0.00
Disclosure

SEC source: 0000310158-26-000221 · form4.xml · derivative · entry 5

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 13,433 shares

Expires 2035-04-28

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_date: The options vest and become exercisable in equal installments on 4/29/2026, 4/29/2027, and 4/29/2028.

Read SEC document
August 12, 2026 Filed Aug 13, 2026 20:11 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 41,494 $0.00 Strike: $117.89 $0.00
Disclosure

SEC source: 0000310158-26-000221 · form4.xml · derivative · entry 4

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 41,494 shares

Expires 2033-05-01

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: The options vested and became exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026.

Read SEC document
August 12, 2026 Filed Aug 13, 2026 20:11 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 80,315 $133.46 $10,718,494.55
Disclosure

SEC source: 0000310158-26-000221 · form4.xml · nonDerivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,509.254

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.0300 to $133.5000, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
August 12, 2026 Filed Aug 13, 2026 20:11 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 13,433 $84.71 $1,137,909.43
Disclosure

SEC source: 0000310158-26-000221 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,824.254

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.

Read SEC document
August 12, 2026 Filed Aug 13, 2026 20:11 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 41,494 $117.89 $4,891,727.66
Disclosure

SEC source: 0000310158-26-000221 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,391.254

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.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Options (Right to Buy) · Derivative 46,600 $0.00 Strike: $7.01 $0.00
Disclosure

SEC source: 0001737231-26-000002 · primarydocument.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,600

Underlying: Common Stock · 46,600 shares

Expires 2036-05-29

F2 · derivative.exercise_date: The option will vest on May 29, 2027 subject to the continuous service of the optionee to the Issuer.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 21:20 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 9,807 $0.00 $0.00
Disclosure

SEC source: 0001737231-26-000002 · primarydocument.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,871

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer.

Read SEC document
May 05, 2026 Filed May 7, 2026 16:18 UTC Merck & Co., Inc. MRK · Entity 2807 GrantStock Option (Right to Buy) · Derivative 35,312 $0.00 Strike: $113.15 $0.00
Disclosure

SEC source: 0000310158-26-000139 · form4.xml · derivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,312

Underlying: Common Stock · 35,312 shares

Expires 2036-05-04

F3 · derivative.exercise_date: The option vests and becomes exercisable in equal installments on 5/5/2027, 5/5/2028, and, 5/5/2029.

Read SEC document
May 05, 2026 Filed May 7, 2026 16:18 UTC Merck & Co., Inc. MRK · Entity 2807 GrantRestricted Stock Unit · Derivative 12,064 $0.00 $0.00
Disclosure

SEC source: 0000310158-26-000139 · form4.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,064

Underlying: Common Stock · 12,064 shares

Expires 2029-05-05

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

F2 · derivative.exercise_date: These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/5/2027, 5/5/2028, and, 5/5/2029.

Read SEC document
April 29, 2026 Filed May 1, 2026 21:43 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionRestricted Stock Unit · Derivative 2,951 $0.00 $0.00
Disclosure

SEC source: 0000310158-26-000086 · form4.xml · derivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,903

Underlying: Common Stock · 2,951 shares

Expires 2028-04-29

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

F2 · derivative.exercise_date: These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028.

Read SEC document
April 29, 2026 Filed May 1, 2026 21:43 UTC Merck & Co., Inc. MRK · Entity 2807 Tax withholdingCommon Stock 1,454 $110.03 $159,983.62
Disclosure

SEC source: 0000310158-26-000086 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,897.254

Read SEC document
April 29, 2026 Filed May 1, 2026 21:43 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 2,951 $110.03 $324,698.53
Disclosure

SEC source: 0000310158-26-000086 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,351.254

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.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 38,835 $0.00 Strike: $87.10 $0.00
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · derivative · entry 9

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 38,835 shares

Expires 2032-05-02

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_date: The option vests and becomes exercisable in equal installments on 5/3/2023, 5/3/2024 and 5/3/2025.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 56,792 $0.00 Strike: $73.73 $0.00
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · derivative · entry 8

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 56,792 shares

Expires 2031-05-03

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_date: The option vests and becomes exercisable in three equal installments on 5/4/2022, 5/4/2023 and 5/4/2024.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 25,946 $0.00 Strike: $75.36 $0.00
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · derivative · entry 7

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,946 shares

Expires 2030-04-30

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: The option vested and became exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 38,835 $119.15 $4,627,275.69
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 6

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,915.671

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 38,835 $119.15 $4,627,275.69
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 5

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,750.671

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

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 56,792 $119.15 $6,766,891.74
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 4

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,915.671

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 56,792 $119.15 $6,766,891.74
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,707.671

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

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 25,946 $119.15 $3,091,522.98
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,915.671

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
February 09, 2026 Filed Feb 9, 2026 21:01 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 25,946 $119.15 $3,091,522.98
Disclosure

SEC source: 0000310158-26-000046 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,861.671

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

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
January 26, 2026 Filed Jan 28, 2026 21:19 UTC Merck & Co., Inc. MRK · Entity 2807 GrantCommon Stock 11,583 $107.40 $1,244,014.20
Disclosure

SEC source: 0000310158-26-000028 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,915.671

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/23. Performance shares were paid out at 94 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2025.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 30, 2025 Filed Jun 3, 2025 20:33 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Options (Right to Buy) · Derivative 39,815 $0.00 Strike: $8.85 $0.00
Disclosure

SEC source: 0001562180-25-004354 · primarydocument.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,815

Underlying: Common Stock · 39,815 shares

Expires 2035-05-30

F2 · derivative.exercise_date: The option will vest in 12 equal monthly installments following May 30, 2025 subject to the continuous service of the optionee to the Issuer.

Read SEC document
May 30, 2025 Filed Jun 3, 2025 20:33 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 7,768 $0.00 $0.00
Disclosure

SEC source: 0001562180-25-004354 · primarydocument.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,064

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 1, 2026 subject to the continuous service of the recipient to the Issuer.

Read SEC document
April 29, 2025 Filed May 1, 2025 22:03 UTC Merck & Co., Inc. MRK · Entity 2807 GrantStock Option (Right to Buy) · Derivative 40,301 $0.00 Strike: $84.71 $0.00
Disclosure

SEC source: 0001127602-25-013037 · form4.xml · derivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,301

Underlying: Common Stock · 40,301 shares

Expires 2035-04-28

F4 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028.

Read SEC document
April 29, 2025 Filed May 1, 2025 22:03 UTC Merck & Co., Inc. MRK · Entity 2807 GrantRestricted Stock Unit · Derivative 8,854 $0.00 $0.00
Disclosure

SEC source: 0001127602-25-013037 · form4.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,854

Underlying: Common Stock · 8,854 shares

Expires 2028-04-29

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

F3 · derivative.exercise_date: These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028.

Read SEC document
January 27, 2025 Filed Jan 29, 2025 23:29 UTC Merck & Co., Inc. MRK · Entity 2807 GrantCommon Stock 25,423 $97.94 $2,489,928.62
Disclosure

SEC source: 0001127602-25-002357 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,285.685

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/22. Performance shares were paid out at 169 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2024.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 31, 2024 Filed Jun 4, 2024 20:43 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Options (Right to Buy) · Derivative 24,454 $0.00 Strike: $14.35 $0.00
Disclosure

SEC source: 0001562180-24-004656 · primarydocument.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,454

Underlying: Common Stock · 24,454 shares

Expires 2034-05-31

F2 · derivative.exercise_date: The option will vest in 12 equal monthly installments following May 31, 2024 subject to the continuous service of the optionee to the Issuer.

Read SEC document
May 31, 2024 Filed Jun 4, 2024 20:43 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 4,790 $0.00 $0.00
Disclosure

SEC source: 0001562180-24-004656 · primarydocument.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,296

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 1, 2025 subject to the continuous service of the recipient to the Issuer.

Read SEC document
April 30, 2024 Filed May 2, 2024 20:19 UTC Merck & Co., Inc. MRK · Entity 2807 GrantStock Option (Right to Buy) · Derivative 35,156 $0.00 Strike: $129.22 $0.00
Disclosure

SEC source: 0001127602-24-013964 · form4.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,156

Underlying: Common Stock · 35,156 shares

Expires 2034-04-29

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 4/30/2025, 4/30/2026 and 4/30/2027.

Read SEC document
February 02, 2024 Filed Feb 2, 2024 21:05 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 19,417 $0.00 Strike: $87.10 $0.00
Disclosure

SEC source: 0001127602-24-003093 · form4.xml · derivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,835

Underlying: Common Stock · 19,417 shares

Expires 2032-05-02

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_date: The option vests and becomes exercisable in equal installments on 5/3/2023, 5/3/2024 and 5/3/2025.

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February 02, 2024 Filed Feb 2, 2024 21:05 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 49,499 $126.97 $6,284,779.13
Disclosure

SEC source: 0001127602-24-003093 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,057.76

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.8650 to $127.3000, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 02, 2024 Filed Feb 2, 2024 21:05 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 19,417 $87.10 $1,691,220.70
Disclosure

SEC source: 0001127602-24-003093 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,556.76

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.

Read SEC document
January 22, 2024 Filed Jan 24, 2024 21:11 UTC Merck & Co., Inc. MRK · Entity 2807 GrantCommon Stock 23,298 $119.43 $2,782,480.14
Disclosure

SEC source: 0001127602-24-002026 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,139.76

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/21. Performance shares were paid out at 161 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2023.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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June 02, 2023 Filed Jun 6, 2023 21:11 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantStock Options (Right to Buy) · Derivative 17,892 $0.00 Strike: $19.72 $0.00
Disclosure

SEC source: 0001562180-23-004888 · primarydocument.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,892

Underlying: Common Stock · 17,892 shares

Expires 2033-06-02

F2 · derivative.exercise_date: The option will vest in 12 equal monthly installments following June 2, 2023 subject to the continuous service of the optionee to the Issuer.

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June 02, 2023 Filed Jun 6, 2023 21:11 UTC REGENXBIO Inc. RGNX · Entity 2211 GrantCommon Stock 3,486 $0.00 $0.00
Disclosure

SEC source: 0001562180-23-004888 · primarydocument.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,506

F1 · shares: Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on June 1, 2024 subject to the continuous service of the recipient to the Issuer.

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May 04, 2023 Filed May 5, 2023 21:13 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 19,141 $117.59 $2,250,834.21
Disclosure

SEC source: 0001127602-23-014759 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,127.593

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.3400 to $117.6800, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
May 02, 2023 Filed May 4, 2023 21:34 UTC Merck & Co., Inc. MRK · Entity 2807 GrantStock Option (Right to Buy) · Derivative 41,494 $0.00 Strike: $117.89 $0.00
Disclosure

SEC source: 0001127602-23-014537 · form4.xml · derivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,494

Underlying: Common Stock · 41,494 shares

Expires 2033-05-01

F2 · derivative.exercise_date: The option vests and becomes exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026.

Read SEC document
February 03, 2023 Filed Feb 6, 2023 21:21 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 75,436 $0.00 Strike: $56.04 $0.00
Disclosure

SEC source: 0001127602-23-003562 · form4.xml · derivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 75,436 shares

Expires 2028-05-03

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: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

F4 · derivative.exercise_date: The option became exercisable in equal installments on 5/4/2019, 5/4/2020, and 5/4/2021.

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February 03, 2023 Filed Feb 6, 2023 21:21 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 75,436 $103.17 $7,782,762.29
Disclosure

SEC source: 0001127602-23-003562 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,919.941

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.0200 to $103.5450, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
February 03, 2023 Filed Feb 6, 2023 21:21 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 75,436 $56.04 $4,227,433.44
Disclosure

SEC source: 0001127602-23-003562 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,355.941

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.

Read SEC document
January 23, 2023 Filed Jan 25, 2023 22:03 UTC Merck & Co., Inc. MRK · Entity 2807 GrantCommon Stock 15,631 $109.88 $1,717,534.28
Disclosure

SEC source: 0001127602-23-002228 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,919.941

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/20. Performance shares were paid out at 110 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2022.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 28,396 $0.00 Strike: $73.73 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · derivative · entry 8

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,792

Underlying: Common Stock · 28,396 shares

Expires 2031-05-03

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: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

F7 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/4/2022, 5/4/2023 and 5/4/2024.

F4 · balance_after: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 51,884 $0.00 Strike: $75.36 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · derivative · entry 7

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,946

Underlying: Common Stock · 51,884 shares

Expires 2030-04-30

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: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

F6 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023.

F4 · balance_after: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionStock Option (Right to Buy) · Derivative 68,367 $0.00 Strike: $77.62 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · derivative · entry 6

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 68,367 shares

Expires 2029-05-02

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: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

F5 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022.

F4 · balance_after: Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 65,487 $99.85 $6,538,876.95
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · nonDerivative · entry 5

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,040.302

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.6100 to $100.3600, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 SaleCommon Stock 99,768 $99.07 $9,884,015.76
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · nonDerivative · entry 4

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,527.302

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.5500 to $99.4900, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., 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 above in this footnote.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 28,396 $0.00 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · nonDerivative · entry 3

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 203,295.302

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.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 51,884 $0.00 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · nonDerivative · entry 2

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,899.302

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.

Read SEC document
October 28, 2022 Filed Nov 1, 2022 20:28 UTC Merck & Co., Inc. MRK · Entity 2807 Exercise / conversionCommon Stock 68,367 $0.00 $0.00
Disclosure

SEC source: 0001127602-22-024595 · form4.xml · nonDerivative · entry 1

Zachary Jennifer · CIK 0001737231 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,015.302

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.