Insider trading activities (stock purchases, sales, and option exercises)
reported by insiders of Gilead Sciences, Inc. (GILD)
since 2015 are shown in Table 1 and Table 2.
Table 1 shows the monthly insider trading data of Gilead Sciences, Inc..
Table 2 shows the detailed insider transactions.
This company's CIK number is 882095.
Total stock buying since 2015: $999,150.
Total stock sales since 2015: $904,439,192.
Total stock option exercises since 2015: $229,467,536.
Table 3. Detailed insider trading at Gilead Sciences, Inc. (GILD)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2025-08-28 | O'day Daniel Patrick (Chairman & CEO) | Sale | 10,000 | 113.63 | 1,136,300 |
| 2025-08-15 | Mercier Johanna (Chief Commercial Officer) | Sale | 28,000 | 118.74 | 3,324,636 |
| 2025-08-15 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 25,000 | 66.64 | 1,666,000 |
| 2025-08-15 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 118.53 | 296,325 |
| 2025-07-28 | O'day Daniel Patrick (Chairman & CEO) | Sale | 10,000 | 113.63 | 1,136,290 |
| 2025-07-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 8,743 | .00 | 0 |
| 2025-07-15 | Mercier Johanna (Chief Commercial Officer) | Sale | 6,000 | 111.03 | 666,180 |
| 2025-07-15 | Dickinson Andrew D (Chief Financial Officer) | Sale | 5,000 | 111.03 | 555,150 |
| 2025-07-14 | Bluestone Jeffrey (Director) | Sale | 5,000 | 109.74 | 548,700 |
| 2025-07-14 | Bluestone Jeffrey (Director) | Option Ex | 5,000 | 67.45 | 337,250 |
| 2025-06-30 | O'day Daniel Patrick (Chairman & CEO) | Sale | 10,000 | 110.78 | 1,107,750 |
| 2025-06-16 | Mercier Johanna (Chief Commercial Officer) | Sale | 3,000 | 110.17 | 330,510 |
| 2025-06-16 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 110.17 | 275,425 |
| 2025-06-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 1,313 | .00 | 0 |
| 2025-06-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 3,843 | .00 | 0 |
| 2025-06-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 10,425 | .00 | 0 |
| 2025-06-10 | Wilfong Diane E. (Interim Corp Controller & CAO) | Option Ex | 920 | .00 | 0 |
| 2025-06-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 3,694 | .00 | 0 |
| 2025-05-30 | O'day Daniel Patrick (Chairman & CEO) | Sale | 10,000 | 110.54 | 1,105,400 |
| 2025-05-22 | Mercier Johanna (Chief Commercial Officer) | Sale | 28,000 | 107.52 | 3,010,560 |
| 2025-05-22 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 25,000 | 66.64 | 1,666,000 |
| 2025-05-15 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 99.82 | 249,549 |
| 2025-04-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 1,542 | .00 | 0 |
| 2025-04-15 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 106.40 | 266,000 |
| 2025-03-17 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 110.53 | 276,325 |
| 2025-03-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 1,952 | .00 | 0 |
| 2025-03-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 3,343 | .00 | 0 |
| 2025-03-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 8,080 | .00 | 0 |
| 2025-03-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 24,024 | .00 | 0 |
| 2025-03-10 | Dickinson Andrew D (Chief Financial Officer) | Sale | 17,929 | 117.90 | 2,113,829 |
| 2025-03-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 25,897 | 42.61 | 1,103,393 |
| 2025-02-18 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 104.09 | 260,225 |
| 2025-02-12 | Dickinson Andrew D (Chief Financial Officer) | Sale | 137,676 | 102.22 | 14,073,240 |
| 2025-02-12 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 137,676 | 71.51 | 9,845,210 |
| 2025-01-31 | Dickinson Andrew D (Chief Financial Officer) | Sale | 142,180 | 97.22 | 13,822,739 |
| 2025-01-31 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 142,180 | 65.21 | 9,271,984 |
| 2025-01-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 515 | .00 | 0 |
| 2025-01-15 | Dickinson Andrew D (Chief Financial Officer) | Sale | 2,500 | 91.35 | 228,375 |
| 2024-12-16 | Dickinson Andrew D (Chief Financial Officer) | Sale | 8,500 | 91.96 | 781,660 |
| 2024-12-13 | Patterson Sandra (SVP, Controllership) | Option Ex | 157 | .00 | 0 |
| 2024-12-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 901 | .00 | 0 |
| 2024-12-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 639 | .00 | 0 |
| 2024-12-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 3,820 | .00 | 0 |
| 2024-12-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 3,752 | .00 | 0 |
| 2024-12-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 10,295 | .00 | 0 |
| 2024-12-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 3,640 | .00 | 0 |
| 2024-11-29 | Dickinson Andrew D (Chief Financial Officer) | Sale | 248,645 | 92.76 | 23,065,304 |
| 2024-11-29 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 248,645 | 69.62 | 17,311,908 |
| 2024-11-27 | Parsey Merdad (Chief Medical Officer) | Sale | 164,211 | 91.88 | 15,087,706 |
| 2024-11-27 | Parsey Merdad (Chief Medical Officer) | Option Ex | 145,413 | 61.65 | 8,964,711 |
| 2024-11-26 | Bluestone Jeffrey (Director) | Sale | 6,788 | 91.39 | 620,355 |
| 2024-11-26 | Bluestone Jeffrey (Director) | Option Ex | 10,000 | 61.26 | 612,600 |
| 2024-11-06 | Parsey Merdad (Chief Medical Officer) | Sale | 25,590 | 91.50 | 2,341,485 |
| 2024-11-06 | Parsey Merdad (Chief Medical Officer) | Option Ex | 25,000 | 57.92 | 1,448,000 |
| 2024-11-06 | Mercier Johanna (Chief Commercial Officer) | Sale | 5,000 | 91.28 | 456,400 |
| 2024-10-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 514 | .00 | 0 |
| 2024-10-01 | Parsey Merdad (Chief Medical Officer) | Sale | 2,000 | 83.83 | 167,660 |
| 2024-09-12 | Parsey Merdad (Chief Medical Officer) | Sale | 21,246 | 84.50 | 1,795,287 |
| 2024-09-12 | Parsey Merdad (Chief Medical Officer) | Option Ex | 25,000 | 57.92 | 1,448,000 |
| 2024-09-12 | Mercier Johanna (Chief Commercial Officer) | Sale | 29,357 | 83.74 | 2,458,355 |
| 2024-09-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 901 | .00 | 0 |
| 2024-09-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 639 | .00 | 0 |
| 2024-09-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 3,821 | .00 | 0 |
| 2024-09-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 3,752 | .00 | 0 |
| 2024-09-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 10,295 | .00 | 0 |
| 2024-09-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 3,641 | .00 | 0 |
| 2024-08-28 | Mercier Johanna (Chief Commercial Officer) | Sale | 9,513 | 78.03 | 742,299 |
| 2024-08-13 | Mercier Johanna (Chief Commercial Officer) | Sale | 5,490 | 73.98 | 406,150 |
| 2024-08-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 3,678 | .00 | 0 |
| 2024-07-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 8,744 | .00 | 0 |
| 2024-07-01 | Parsey Merdad (Chief Medical Officer) | Sale | 2,000 | 68.63 | 137,260 |
| 2024-06-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 901 | .00 | 0 |
| 2024-06-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 638 | .00 | 0 |
| 2024-06-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 3,820 | .00 | 0 |
| 2024-06-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 3,751 | .00 | 0 |
| 2024-06-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 10,295 | .00 | 0 |
| 2024-06-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 3,639 | .00 | 0 |
| 2024-04-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 515 | .00 | 0 |
| 2024-04-01 | Parsey Merdad (Chief Medical Officer) | Sale | 2,000 | 72.96 | 145,920 |
| 2024-03-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 2,682 | .00 | 0 |
| 2024-03-10 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 2,555 | .00 | 0 |
| 2024-03-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 10,401 | .00 | 0 |
| 2024-03-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 9,844 | .00 | 0 |
| 2024-03-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 29,940 | .00 | 0 |
| 2024-03-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 9,732 | .00 | 0 |
| 2024-02-29 | Parsey Merdad (Chief Medical Officer) | Sale | 8,230 | 72.74 | 598,625 |
| 2024-02-28 | Parsey Merdad (Chief Medical Officer) | Sale | 2,000 | 73.18 | 146,360 |
| 2024-01-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 514 | .00 | 0 |
| 2024-01-16 | Dickinson Andrew D (Chief Financial Officer) | Sale | 5,000 | 85.78 | 428,900 |
| 2024-01-09 | Mercier Johanna (Chief Commercial Officer) | Sale | 8,242 | 85.23 | 702,465 |
| 2023-12-13 | Patterson Sandra (SVP, Controllership) | Option Ex | 298 | .00 | 0 |
| 2023-12-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 518 | .00 | 0 |
| 2023-12-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 2,779 | .00 | 0 |
| 2023-12-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 2,730 | .00 | 0 |
| 2023-12-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 7,347 | .00 | 0 |
| 2023-12-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 2,617 | .00 | 0 |
| 2023-11-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 1,912 | .00 | 0 |
| 2023-10-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 514 | .00 | 0 |
| 2023-10-17 | Dickinson Andrew D (Chief Financial Officer) | Sale | 5,000 | 80.00 | 400,015 |
| 2023-09-12 | Parsey Merdad (Chief Medical Officer) | Sale | 1,501 | 76.99 | 115,561 |
| 2023-09-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 519 | .00 | 0 |
| 2023-09-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 2,779 | .00 | 0 |
| 2023-09-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 2,730 | .00 | 0 |
| 2023-09-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 7,348 | .00 | 0 |
| 2023-09-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 2,619 | .00 | 0 |
| 2023-08-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 4,484 | .00 | 0 |
| 2023-07-25 | Telman Deborah H (EVP, Corporate Affairs & GC) | Option Ex | 10,289 | .00 | 0 |
| 2023-07-24 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 7,505 | .00 | 0 |
| 2023-07-20 | Dickinson Andrew D (Chief Financial Officer) | Sale | 5,000 | 80.00 | 400,000 |
| 2023-06-13 | Parsey Merdad (Chief Medical Officer) | Sale | 1,485 | 76.90 | 114,196 |
| 2023-03-13 | Parsey Merdad (Chief Medical Officer) | Sale | 6,126 | 78.99 | 483,892 |
| 2023-03-10 | Patterson Sandra (SVP, Controllership) | Option Ex | 2,921 | .00 | 0 |
| 2023-03-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 11,454 | .00 | 0 |
| 2023-03-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 10,976 | .00 | 0 |
| 2023-03-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 30,288 | .00 | 0 |
| 2023-03-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 10,419 | .00 | 0 |
| 2023-03-09 | Lofton Kevin E (Director) | Option Ex | 8,442 | 52.38 | 442,191 |
| 2023-03-01 | Parsey Merdad (Chief Medical Officer) | Sale | 12,984 | 79.96 | 1,038,226 |
| 2023-03-01 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 11,362 | .00 | 0 |
| 2023-02-06 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 1,864 | .00 | 0 |
| 2023-02-06 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 1,817 | .00 | 0 |
| 2022-12-30 | Parsey Merdad (Chief Medical Officer) | Sale | 553 | 85.33 | 47,187 |
| 2022-12-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 1,039 | .00 | 0 |
| 2022-12-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 990 | .00 | 0 |
| 2022-12-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 3,300 | .00 | 0 |
| 2022-12-10 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 318 | .00 | 0 |
| 2022-12-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 1,027 | .00 | 0 |
| 2022-11-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 5,099 | .00 | 0 |
| 2022-11-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 1,912 | .00 | 0 |
| 2022-11-09 | Wilfong Diane E. (SVP, Controller & CAO) | Sale | 6,416 | 83.50 | 535,736 |
| 2022-11-09 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 6,416 | 63.91 | 410,046 |
| 2022-09-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 1,039 | .00 | 0 |
| 2022-09-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 990 | .00 | 0 |
| 2022-09-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 3,301 | .00 | 0 |
| 2022-09-10 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 318 | .00 | 0 |
| 2022-09-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 1,027 | .00 | 0 |
| 2022-08-10 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 2,479 | .00 | 0 |
| 2022-07-24 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 7,505 | .00 | 0 |
| 2022-06-10 | Parsey Merdad (Chief Medical Officer) | Option Ex | 1,039 | .00 | 0 |
| 2022-06-10 | Mercier Johanna (Chief Commercial Officer) | Option Ex | 990 | .00 | 0 |
| 2022-06-10 | Pletcher Brett A (EVP,Corp Affairs & Gen Counsel) | Option Ex | 782 | .00 | 0 |
| 2022-06-10 | O'day Daniel Patrick (Chairman & CEO) | Option Ex | 3,300 | .00 | 0 |
| 2022-06-10 | Wilfong Diane E. (SVP, Controller & CAO) | Option Ex | 317 | .00 | 0 |
| 2022-06-10 | Dickinson Andrew D (Chief Financial Officer) | Option Ex | 4,672 | .00 | 0 |
| 2022-05-03 | Bluestone Jeffrey (Director) | Option Ex | 2,223 | .00 | 0 |
| 2022-05-03 | Horning Sandra (Director) | Option Ex | 1,112 | .00 | 0 |
| 2022-05-03 | Manwani Harish (Director) | Option Ex | 2,223 | .00 | 0 |
| 2022-05-03 | Lofton Kevin E (Director) | Option Ex | 2,223 | .00 | 0 |
| 2022-05-03 | Rodriguez Javier (Director) | Option Ex | 2,223 | .00 | 0 |
| 2022-05-03 | Welters Anthony (Director) | Option Ex | 2,223 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises
of GILD listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of Gilead Sciences, Inc. (symbol GILD,
CIK number 882095) see
the Securities and Exchange Commission (SEC) website.