Daniel Patrick O'DayFiled

Chairman & CEOExecutiveDirectorCIK 1638643

GILDGILEAD SCIENCES, INC.Chairman & CEOfiled Sep 11, 2026

Net · 12 months

-$51.3M

Open-market buys − sales

Sold · 12 months

$51.3M

$6.1M in 90d · 35 sales on record

Bought · 12 months

$0 in 90d · 0 buys on record

Under 10b5-1

100%

Share of sale value under a trading plan

Last trade

Sep 10, 2026

Filed Sep 11, 2026 · 89 rows

Monthly open-market value · 24 months Filed

Bought (open market)
Sold (open market)

Unusual activity Estimated

Whale score 94Whale watch

65Insider overlapMay 6, 2026
Rep. Jared Moskowitz bought GILD 8 days after its CEO sold $895K
DJared MoskowitzDaniel Patrick O'DayGILD Filing 4
Details
Politician
Jared Moskowitz
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock (GILD)
Tx type
buy
Tx date
May 6, 2026
Filing date
Jun 19, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
44
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2026-04-28","shares":6950,"price":128.7877,"value":895074.52,"is_10b5_1":true}
Days between
8
Opposite side
Yes
65Insider overlapMay 6, 2026
Rep. Jared Moskowitz bought GILD 8 days after its CEO sold $895K
DJared MoskowitzDaniel Patrick O'DayGILD Filing 4
Details
Politician
Jared Moskowitz
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock (GILD)
Tx type
buy
Tx date
May 6, 2026
Filing date
Jun 19, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
44
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2026-04-28","shares":6950,"price":128.7877,"value":895074.52,"is_10b5_1":true}
Days between
8
Opposite side
Yes
65Insider overlapMar 27, 2026
Sen. Alan Armstrong bought GILD the same day its CEO sold $1.4M
RAlan ArmstrongDaniel Patrick O'DayGILD Filing 4
Details
Politician
Alan Armstrong
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock
Tx type
buy
Tx date
Mar 27, 2026
Filing date
Jul 21, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
116
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2026-03-27","shares":10000,"price":136.8162,"value":1368162,"is_10b5_1":true}
Days between
0
Opposite side
Yes
33Exec saleFeb 5, 2026
GILD CEO Daniel Patrick O'Day sold $17.3M (10b5-1 plan)
Daniel Patrick O'DayGILD 4
Details
Insider
Daniel Patrick O'Day
Company
GILEAD SCIENCES, INC.
Ticker
GILD
Tx kind
open_market_sale
Tx date
Feb 5, 2026
Shares
115,640
Price
$150
Value
$17.3M
Is 10b5 1
Yes
65Insider overlapJan 27, 2026
Rep. Josh Gottheimer bought GILD 1 day before its CEO sold $702K
DJosh GottheimerDaniel Patrick O'DayGILD Filing 4
Details
Politician
Josh Gottheimer
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock (GILD)
Tx type
buy
Tx date
Jan 27, 2026
Filing date
Feb 26, 2026
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
30
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2026-01-28","shares":5032,"price":139.5441,"value":702185.91,"is_10b5_1":true}
Days between
-1
Opposite side
Yes
32Exec saleJan 23, 2026
GILD CEO Daniel Patrick O'Day sold $15.6M (10b5-1 plan)
Daniel Patrick O'DayGILD 4
Details
Insider
Daniel Patrick O'Day
Company
GILEAD SCIENCES, INC.
Ticker
GILD
Tx kind
open_market_sale
Tx date
Jan 23, 2026
Shares
115,640
Price
$135
Value
$15.6M
Is 10b5 1
Yes
50Insider overlapSep 23, 2025
Rep. Val T. Hoyle sold GILD 6 days before its CEO sold $896K
DVal T. HoyleDaniel Patrick O'DayGILD Filing 4
Details
Politician
Val T. Hoyle
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock (GILD)
Tx type
sell
Tx date
Sep 23, 2025
Filing date
Oct 10, 2025
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
17
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2025-09-29","shares":8039,"price":111.4703,"value":896109.74,"is_10b5_1":true}
Days between
-6
Opposite side
No
65Insider overlapJun 6, 2025
Rep. Marjorie Taylor Greene bought GILD 7 days after its CEO sold $706K
RMarjorie Taylor GreeneDaniel Patrick O'DayGILD Filing 4
Details
Politician
Marjorie Taylor Greene
Ticker
GILD
Asset
Gilead Sciences, Inc. - Common Stock (GILD)
Tx type
buy
Tx date
Jun 6, 2025
Filing date
Jun 18, 2025
Amount low
$1,001
Amount high
$15,000
Amount mid
$8,001
Disclosed range
$1,001 - $15,000
Reporting lag days
12
Is whale
No
Insider trade
{"insider":{"slug":"daniel-patrick-o-day","name":"Daniel Patrick O'Day","title":"Chairman & CEO","short_title":"CEO"},"company":"GILEAD SCIENCES, INC.","ticker":"GILD","tx_kind":"open_market_sale","tx_date":"2025-05-30","shares":6416,"price":110.1148,"value":706496.56,"is_10b5_1":true}
Days between
7
Opposite side
Yes

Transactions

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