Follow the people · Insider
Richard R. DeLuca
Richard R. DeLuca files insider transactions with the SEC as an evp&pres, merck animal heallth of Merck & Co (MRK). We hold 5 disclosed purchases and sales filed since 25 January 2008, 4 of them in the last 90 days.
- Files forMRK
- Disclosed buys and sells5 in all, 4 in the last 90 days
- Last disclosure12 August 2026
Positions held
2 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 2 November 2011 — 12 August 2026EVP&Pres, Merck Animal Heallth · Merck & Co (MRK)93 Form 4 lines · source: SEC Form 4
- Filed 23 January 2008 — 15 October 2009Pres. Fort Dodge Animal Health · Wyeth (WYE)22 Form 4 lines · source: SEC Form 4
Everything they disclosed
115 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 20,784 shares of Merck & CoSEC Form 412 August 2026Common Stock · traded 10 August 2026 · filed 12 August 2026
- ▼ sold on the open market 7,410 shares of Merck & CoSEC Form 412 August 2026Common Stock · traded 11 August 2026 · filed 12 August 2026
- ▼ sold on the open market 5,427 shares of Merck & CoSEC Form 412 August 2026Common Stock · traded 11 August 2026 · filed 12 August 2026
- ▼ sold on the open market 11,099 shares of Merck & CoSEC Form 412 August 2026Common Stock · traded 12 August 2026 · filed 12 August 2026
- ▼ sold on the open market 600 shares of Merck & CoSEC Form 412 August 2026Common Stock · traded 12 August 2026 · filed 12 August 2026
- ▼ sold on the open market 805 shares of Merck & CoSEC Form 410 August 2026Common Stock · traded 6 August 2026 · filed 10 August 2026
- ▼ sold on the open market 4,945 shares of Merck & CoSEC Form 410 August 2026Common Stock · traded 6 August 2026 · filed 10 August 2026
- ▼ sold on the open market 300 shares of Merck & CoSEC Form 410 August 2026Common Stock · traded 6 August 2026 · filed 10 August 2026
- was granted 11,931 shares of Merck & Co (a derivative holding)SEC Form 47 May 2026Restricted Stock Unit · traded 5 May 2026 · filed 7 May 2026
- was granted 34,924 shares of Merck & Co (a derivative holding)SEC Form 47 May 2026Stock Option (Right to Buy) · traded 5 May 2026 · filed 7 May 2026
- exercised options over 2,518 shares of Merck & CoSEC Form 41 May 2026Common Stock · traded 29 April 2026 · filed 1 May 2026
- had shares withheld for tax on 1,241 shares of Merck & CoSEC Form 41 May 2026Common Stock · traded 29 April 2026 · filed 1 May 2026
- exercised options over 2,518 shares of Merck & Co (a derivative holding)SEC Form 41 May 2026Restricted Stock Unit · traded 29 April 2026 · filed 1 May 2026
- ▼ sold on the open market 37,685 shares of Merck & CoSEC Form 46 February 2026Common Stock · traded 6 February 2026 · filed 6 February 2026
- ▼ sold on the open market 37,685 shares of Merck & CoSEC Form 46 February 2026Common Stock · traded 6 February 2026 · filed 6 February 2026
- was granted 12,264 shares of Merck & CoSEC Form 428 January 2026Common Stock · traded 26 January 2026 · filed 28 January 2026
- was granted 12,264 shares of Merck & CoSEC Form 428 January 2026Common Stock · traded 26 January 2026 · filed 28 January 2026
- was granted 7,555 shares of Merck & Co (a derivative holding)SEC Form 41 May 2025Restricted Stock Unit · traded 29 April 2025 · filed 1 May 2025
- was granted 34,390 shares of Merck & Co (a derivative holding)SEC Form 41 May 2025Stock Option (Right to Buy) · traded 29 April 2025 · filed 1 May 2025
- was granted 25,438 shares of Merck & CoSEC Form 429 January 2025Common Stock · traded 27 January 2025 · filed 29 January 2025
- exercised options over 27,126 shares of Merck & Co (a derivative holding)SEC Form 46 May 2024Restricted Stock Unit · traded 4 May 2024 · filed 6 May 2024
- exercised options over 27,126 shares of Merck & CoSEC Form 46 May 2024Common Stock · traded 4 May 2024 · filed 6 May 2024
- had shares withheld for tax on 13,360 shares of Merck & CoSEC Form 46 May 2024Common Stock · traded 4 May 2024 · filed 6 May 2024
- was granted 23,216 shares of Merck & Co (a derivative holding)SEC Form 42 May 2024Restricted Stock Unit · traded 30 April 2024 · filed 2 May 2024
- was granted 37,500 shares of Merck & Co (a derivative holding)SEC Form 42 May 2024Stock Option (Right to Buy) · traded 30 April 2024 · filed 2 May 2024
- was granted 23,296 shares of Merck & CoSEC Form 424 January 2024Common Stock · traded 22 January 2024 · filed 24 January 2024
- ▼ sold on the open market 43,823 shares of Merck & CoSEC Form 49 November 2023Common Stock · traded 8 November 2023 · filed 9 November 2023
- was granted 44,260 shares of Merck & Co (a derivative holding)SEC Form 44 May 2023Stock Option (Right to Buy) · traded 2 May 2023 · filed 4 May 2023
- exercised options over 66,163 shares of Merck & Co (a derivative holding)SEC Form 42 May 2023Stock Option (Right to Buy) · traded 28 April 2023 · filed 2 May 2023
- exercised options over 75,436 shares of Merck & Co (a derivative holding)SEC Form 42 May 2023Stock Option (Right to Buy) · traded 1 May 2023 · filed 2 May 2023
- exercised options over 66,163 shares of Merck & CoSEC Form 42 May 2023Common Stock · traded 28 April 2023 · filed 2 May 2023
- ▼ sold on the open market 66,163 shares of Merck & CoSEC Form 42 May 2023Common Stock · traded 28 April 2023 · filed 2 May 2023
- exercised options over 75,436 shares of Merck & CoSEC Form 42 May 2023Common Stock · traded 1 May 2023 · filed 2 May 2023
- ▼ sold on the open market 75,436 shares of Merck & CoSEC Form 42 May 2023Common Stock · traded 1 May 2023 · filed 2 May 2023
- was granted 15,628 shares of Merck & CoSEC Form 425 January 2023Common Stock · traded 23 January 2023 · filed 25 January 2023
- exercised options over 59,564 shares of Merck & Co (a derivative holding)SEC Form 41 November 2022Stock Option (Right to Buy) · traded 28 October 2022 · filed 1 November 2022
- exercised options over 104,993 shares of Merck & Co (a derivative holding)SEC Form 41 November 2022Stock Option (Right to Buy) · traded 28 October 2022 · filed 1 November 2022
- exercised options over 59,564 shares of Merck & CoSEC Form 41 November 2022Common Stock · traded 28 October 2022 · filed 1 November 2022
- exercised options over 104,993 shares of Merck & CoSEC Form 41 November 2022Common Stock · traded 28 October 2022 · filed 1 November 2022
- ▼ sold on the open market 164,557 shares of Merck & CoSEC Form 41 November 2022Common Stock · traded 28 October 2022 · filed 1 November 2022
- was granted 58,252 shares of Merck & Co (a derivative holding)SEC Form 45 May 2022Stock Option (Right to Buy) · traded 3 May 2022 · filed 5 May 2022
- was granted 15,966 shares of Merck & CoSEC Form 428 February 2022Common Stock · traded 24 February 2022 · filed 28 February 2022
- exercised options over 29,782 shares of Merck & Co (a derivative holding)SEC Form 45 November 2021Stock Option (Right to Buy) · traded 4 November 2021 · filed 5 November 2021
- exercised options over 29,782 shares of Merck & CoSEC Form 45 November 2021Common Stock · traded 4 November 2021 · filed 5 November 2021
- ▼ sold on the open market 29,782 shares of Merck & CoSEC Form 45 November 2021Common Stock · traded 4 November 2021 · filed 5 November 2021
- was granted 26,319 shares of Merck & Co (a derivative holding)SEC Form 44 November 2021Restricted Stock Unit · traded 4 May 2021 · filed 4 November 2021
- exercised options over 73,026 shares of Merck & Co (a derivative holding)SEC Form 42 November 2021Stock Option (Right to Buy) · traded 29 October 2021 · filed 2 November 2021
- exercised options over 62,379 shares of Merck & Co (a derivative holding)SEC Form 42 November 2021Stock Option (Right to Buy) · traded 29 October 2021 · filed 2 November 2021
- exercised options over 73,026 shares of Merck & CoSEC Form 42 November 2021Common Stock · traded 29 October 2021 · filed 2 November 2021
- exercised options over 62,379 shares of Merck & CoSEC Form 42 November 2021Common Stock · traded 29 October 2021 · filed 2 November 2021
- ▼ sold on the open market 135,405 shares of Merck & CoSEC Form 42 November 2021Common Stock · traded 29 October 2021 · filed 2 November 2021
- was granted 82,653 shares of Merck & Co (a derivative holding)SEC Form 46 May 2021Stock Option (Right to Buy) · traded 4 May 2021 · filed 6 May 2021
- was granted 25,510 shares of Merck & CoSEC Form 42 March 2021Common Stock · traded 26 February 2021 · filed 2 March 2021
- was granted 75,514 shares of Merck & Co (a derivative holding)SEC Form 45 May 2020Stock Option (Right to Buy) · traded 1 May 2020 · filed 5 May 2020
- was granted 14,374 shares of Merck & CoSEC Form 43 March 2020Common Stock · traded 28 February 2020 · filed 3 March 2020
- exercised options over 31,699 shares of Merck & Co (a derivative holding)SEC Form 412 August 2019Stock Option (Right to Buy) · traded 8 August 2019 · filed 12 August 2019
- exercised options over 6,427 shares of Merck & Co (a derivative holding)SEC Form 412 August 2019Stock Option (Right to Buy) · traded 9 August 2019 · filed 12 August 2019
- exercised options over 31,699 shares of Merck & CoSEC Form 412 August 2019Common Stock · traded 8 August 2019 · filed 12 August 2019
- ▼ sold on the open market 31,699 shares of Merck & CoSEC Form 412 August 2019Common Stock · traded 8 August 2019 · filed 12 August 2019
- exercised options over 6,427 shares of Merck & CoSEC Form 412 August 2019Common Stock · traded 9 August 2019 · filed 12 August 2019
- ▼ sold on the open market 6,427 shares of Merck & CoSEC Form 412 August 2019Common Stock · traded 9 August 2019 · filed 12 August 2019
- was granted 56,454 shares of Merck & Co (a derivative holding)SEC Form 47 May 2019Stock Option (right to buy) · traded 3 May 2019 · filed 7 May 2019
- exercised options over 35,000 shares of Merck & Co (a derivative holding)SEC Form 47 May 2019Stock Option (right to buy) · traded 3 May 2019 · filed 7 May 2019
- exercised options over 35,000 shares of Merck & CoSEC Form 47 May 2019Common Stock · traded 3 May 2019 · filed 7 May 2019
- ▼ sold on the open market 35,000 shares of Merck & CoSEC Form 47 May 2019Common Stock · traded 3 May 2019 · filed 7 May 2019
- was granted 13,507 shares of Merck & CoSEC Form 427 February 2019Common Stock · traded 25 February 2019 · filed 27 February 2019
- exercised options over 25,467 shares of Merck & Co (a derivative holding)SEC Form 41 November 2018Stock Option (right to buy) · traded 30 October 2018 · filed 1 November 2018
- exercised options over 25,467 shares of Merck & CoSEC Form 41 November 2018Common Stock · traded 30 October 2018 · filed 1 November 2018
- ▼ sold on the open market 25,467 shares of Merck & CoSEC Form 41 November 2018Common Stock · traded 30 October 2018 · filed 1 November 2018
- was granted 73,191 shares of Merck & Co (a derivative holding)SEC Form 48 May 2018Stock Option (right to buy) · traded 4 May 2018 · filed 8 May 2018
- was granted 12,575 shares of Merck & CoSEC Form 41 March 2018Common Stock · traded 27 February 2018 · filed 1 March 2018
- exercised options over 8,572 shares of Merck & Co (a derivative holding)SEC Form 49 February 2018Restricted Stock Unit · traded 9 February 2018 · filed 9 February 2018
- exercised options over 8,572 shares of Merck & CoSEC Form 49 February 2018Common Stock · traded 9 February 2018 · filed 9 February 2018
- had shares withheld for tax on 2,974 shares of Merck & CoSEC Form 49 February 2018Common Stock · traded 9 February 2018 · filed 9 February 2018
- was granted 64,194 shares of Merck & Co (a derivative holding)SEC Form 49 May 2017Stock Option (right to buy) · traded 5 May 2017 · filed 9 May 2017
- was granted 11,771 shares of Merck & CoSEC Form 41 March 2017Common Stock · traded 27 February 2017 · filed 1 March 2017
- was granted 101,868 shares of Merck & Co (a derivative holding)SEC Form 412 May 2016Stock Option (right to buy) · traded 10 May 2016 · filed 12 May 2016
- was granted 11,332 shares of Merck & CoSEC Form 424 February 2016Common Stock · traded 22 February 2016 · filed 24 February 2016
- exercised options over 5,090 shares of Merck & CoSEC Form 45 May 2015Common Stock · traded 2 May 2015 · filed 5 May 2015
- had shares withheld for tax on 2,640 shares of Merck & CoSEC Form 45 May 2015Common Stock · traded 2 May 2015 · filed 5 May 2015
- was granted 86,687 shares of Merck & Co (a derivative holding)SEC Form 45 May 2015Stock Option (right to buy) · traded 1 May 2015 · filed 5 May 2015
- exercised options over 5,090 shares of Merck & Co (a derivative holding)SEC Form 45 May 2015Restricted Stock Unit · traded 2 May 2015 · filed 5 May 2015
- was granted 6,649 shares of Merck & CoSEC Form 425 February 2015Common Stock · traded 23 February 2015 · filed 25 February 2015
- was granted 8,572 shares of Merck & Co (a derivative holding)SEC Form 411 February 2015Restricted Stock Unit · traded 9 February 2015 · filed 11 February 2015
- exercised options over 4,387 shares of Merck & CoSEC Form 43 November 2014Common Stock · traded 2 November 2014 · filed 3 November 2014
- had shares withheld for tax on 1,635 shares of Merck & CoSEC Form 43 November 2014Common Stock · traded 2 November 2014 · filed 3 November 2014
- exercised options over 4,387 shares of Merck & Co (a derivative holding)SEC Form 43 November 2014Restricted Stock Unit · traded 2 November 2014 · filed 3 November 2014
- was granted 60,523 shares of Merck & Co (a derivative holding)SEC Form 413 May 2014Stock Option (right to buy) · traded 9 May 2014 · filed 13 May 2014
- was granted 70,853 shares of Merck & Co (a derivative holding)SEC Form 48 May 2013Stock Option (right to buy) · traded 6 May 2013 · filed 8 May 2013
- was granted 5,090 shares of Merck & Co (a derivative holding)SEC Form 44 May 2012Restricted Stock Unit · traded 2 May 2012 · filed 4 May 2012
- was granted 73,126 shares of Merck & Co (a derivative holding)SEC Form 44 May 2012Stock Option (right to buy) · traded 2 May 2012 · filed 4 May 2012
- was granted 4,387 shares of Merck & Co (a derivative holding)SEC Form 43 November 2011Restricted Stock Unit · traded 2 November 2011 · filed 3 November 2011
- was granted 25,467 shares of Merck & Co (a derivative holding)SEC Form 43 November 2011Stock Option (right to buy) · traded 2 November 2011 · filed 3 November 2011
- returned to the issuer 12,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 12,800 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 15,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 7,500 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 10,900 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 16,560 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 9,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 11,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 11,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 20,000 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Employee Stock Option · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 132 shares of Wyeth (a derivative holding)SEC Form 419 October 2009Phantom Stock Units · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 13,380 shares of WyethSEC Form 419 October 2009Common Stock · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 5,158 shares of WyethSEC Form 419 October 2009Common Stock · traded 15 October 2009 · filed 19 October 2009
- returned to the issuer 1,566 shares of WyethSEC Form 419 October 2009Common Stock (401(k)) · traded 15 October 2009 · filed 19 October 2009
- had shares withheld for tax on 436 shares of WyethSEC Form 429 April 2009Common Stock · traded 27 April 2009 · filed 29 April 2009
- was granted 2,489 shares of WyethSEC Form 43 March 2009Common Stock · traded 27 February 2009 · filed 3 March 2009
- had shares withheld for tax on 785 shares of WyethSEC Form 43 March 2009Common Stock · traded 27 February 2009 · filed 3 March 2009
- was granted 20,000 shares of Wyeth (a derivative holding)SEC Form 428 April 2008Employee Stock Option · traded 24 April 2008 · filed 28 April 2008
- had shares withheld for tax on 358 shares of WyethSEC Form 423 April 2008Common Stock · traded 21 April 2008 · filed 23 April 2008
- was granted 1,752 shares of WyethSEC Form 44 March 2008Common Stock · traded 29 February 2008 · filed 4 March 2008
- had shares withheld for tax on 553 shares of WyethSEC Form 44 March 2008Common Stock · traded 29 February 2008 · filed 4 March 2008
- was granted 12,000 shares of WyethSEC Form 425 January 2008Common Stock · traded 23 January 2008 · filed 25 January 2008
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.