Insider Ownership Details

This table shows the list known insiders, and is generated automatically from filings disclosed to the SEC. In addition to the names, most recent title, and director, officer, or 10% owner designation, we provide the latest disclosed holdings.

Name Shares Options
BAKER BROS. ADVISORS LP 42,947,504 3,676
BAKER FELIX 40,885,092 0
SIEGALL CLAY B 666,060 51,129
DRACHMAN JONATHAN G 170,934 45,000
SIMPSON TODD E 118,946 0
DOBMEIER ERIC 117,424 24,700
DANSEY ROGER D 99,389 0
LIU JEAN I 86,763 0
Cline Darren S 72,556 0
ROMP CHARLES R 59,069 0
Reynolds Thomas C 57,601 11,035
BOERNER CHRISTOPHER S. 56,358 37,732
LIPPMAN MARC E 52,338 3,462
HIMES VAUGHN B 43,837 0
GRYSKA DAVID W 40,253 0
AKKARAJU SRINIVAS 40,168 3,171
ROSENBERG MORRIS 17,643 36,434
Orwin John A 10,700 3,676
WELCH DANIEL G 6,253 0
Baker / Tisch Capital (GP), LLC Through Partnership 0 0
667, L.P. 0 0
TrailSmith Pamela A 0 0
LOVE TED W 0 3,676
MCLAUGHLIN JOHN PETER 0 9,260
JP MORGAN PARTNERS BHCA LP See Footnnote 0 0
FBB3 LLC 0 0
Baker Bros. Capital (GP), LLC Through Partnership 0 0
0 0
FBB2 LLC 0 0
TAYLOR ROBIN G 0 11,083
JP MORGAN PARTNERS BHCA LP 0 0
SOUTHERN DOUGLAS 0 10,000
Epstein David R 0 0
Seth Alpna 0 3,676
14159, L.P. 0 0
Baker Brothers Life Sciences Capital (GP), LLC 0 0
BERGER FRANKLIN M 0 0
Baker Brothers Life Sciences LP 0 0
Baker Brothers Life Sciences Capital (GP), LLC Through Partnership 0 0
AKKARAJU SRINIVAS New Leaf 0 17,500
Baker Biotech Capital (GP), LLC Through Partnership 0 0
SWAIN SANDRA M 0 0
Simonian Nancy A 0 3,676
H&Q Holdings, Inc. 0 0
 

While Insider sales are normal part of tax harvesting and is part of compensation of executives - A large number of transactions would indicate that the management isnt convinced that the price will go up and hence reducing their holding. This would be a possible indicator or fall in price

Recent Insider Sales

Name Shares Price Date
ROMP CHARLES R 708 192.46 2023 Jul 03
HIMES VAUGHN B 16,215 195.29 2023 Jun 07
ROMP CHARLES R 349 189.86 2023 May 16
WELCH DANIEL G 1,864 200.02 2023 May 15
WELCH DANIEL G 5,835 200.07 2023 May 02
WELCH DANIEL G 351 200.07 2023 May 02
WELCH DANIEL G 3,462 200.10 2023 May 02
WELCH DANIEL G 3,171 200.05 2023 May 02
WELCH DANIEL G 1,888 200.05 2023 May 02
WELCH DANIEL G 4,890 200.06 2023 May 01
WELCH DANIEL G 295 200.06 2023 May 01
WELCH DANIEL G 1,990 200.12 2023 May 01
WELCH DANIEL G 5,150 200.04 2023 May 01
LIU JEAN I 5,000 205.86 2023 Apr 17
DANSEY ROGER D 10,000 205.95 2023 Apr 17
SIMPSON TODD E 40,364 204.74 2023 Apr 10
SIMPSON TODD E 14,980 204.14 2023 Apr 10
SIMPSON TODD E 243 205.86 2023 Apr 06
ROMP CHARLES R 133 205.86 2023 Apr 06
LIU JEAN I 174 205.86 2023 Apr 06
HIMES VAUGHN B 243 205.86 2023 Apr 06
DANSEY ROGER D 333 205.86 2023 Apr 06
WELCH DANIEL G 4,284 202.54 2023 Apr 03
WELCH DANIEL G 3,317 201.51 2023 Apr 03
WELCH DANIEL G 3,124 200.45 2023 Apr 03
WELCH DANIEL G 1,082 202.54 2023 Apr 03
WELCH DANIEL G 851 201.51 2023 Apr 03
WELCH DANIEL G 817 200.45 2023 Apr 03
WELCH DANIEL G 112 203.05 2023 Apr 03
WELCH DANIEL G 7,158 202.51 2023 Apr 03
WELCH DANIEL G 5 202.49 2023 Apr 03
WELCH DANIEL G 3,575 201.59 2023 Apr 03
WELCH DANIEL G 5,680 200.71 2023 Apr 03
WELCH DANIEL G 995 200.11 2023 Apr 03
LIU JEAN I 5,000 199.90 2023 Mar 16
WELCH DANIEL G 1,246 200.05 2023 Mar 15
WELCH DANIEL G 320 200.05 2023 Mar 15
WELCH DANIEL G 2,037 200.05 2023 Mar 15
DANSEY ROGER D 10,000 199.81 2023 Mar 15
WELCH DANIEL G 288 200.00 2023 Mar 14
WELCH DANIEL G 470 200.00 2023 Mar 14
WELCH DANIEL G 74 200.00 2023 Mar 14
WELCH DANIEL G 173 202.36 2023 Mar 13
WELCH DANIEL G 808 201.53 2023 Mar 13
WELCH DANIEL G 8,210 200.20 2023 Mar 13
WELCH DANIEL G 5,758 200.06 2023 Mar 13
WELCH DANIEL G 44 202.35 2023 Mar 13
WELCH DANIEL G 214 201.53 2023 Mar 13
WELCH DANIEL G 2,098 200.20 2023 Mar 13
WELCH DANIEL G 7,629 200.30 2023 Mar 13
WELCH DANIEL G 1,348 201.53 2023 Mar 13
WELCH DANIEL G 283 202.36 2023 Mar 13
SIMPSON TODD E 6,082 177.37 2023 Mar 09
SIMPSON TODD E 26,449 176.71 2023 Mar 09
SIMPSON TODD E 10,262 175.89 2023 Mar 09
HIMES VAUGHN B 2,691 177.92 2023 Mar 02
HIMES VAUGHN B 13,524 177.07 2023 Mar 02
SIMPSON TODD E 20,000 182.53 2023 Feb 27
 

Recent Insider Purchases

Insider buys arent usual, since it indicates a high conviction by the management that they believe the price will go up eventually. Usually a good sign that investors should consider this as a factor to purchase a stock, especially if the current SP is lower than the price the management bought these at. The table below doesnt include any Stock Options or RSUs. They're just open market purchases by the insiders.

Name Shares Price Date