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IONIS PHARMACEUTICALS INC

IONS Net selling
CIK 0000874015 #948 in the set updated 17 Sep 2026
Bought (120 mo)
$1.72M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$333.35M
$30.44M on a plan · $245.85M straight out of an exercise
Sold at will
$57.07M
189 of 627 sales
Net
−$331.63M
−$55.35M against sales at will

By person

28 insiders · 648 transactions
11.9×

Brett P. Monia holds 11.9 times base salary in stock. $12.53M of shares against $1.05M in salary for 2025.

Salary from the company's own proxy. The shares are what Brett P. Monia last reported holding, valued at $51.60, the price Common Stock was last bought or sold at on the open market here, on 31 Jul 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Monia Brett P
Chief Executive Officer
—
$60.06M (60) scheduled
−$60.06M
242,760
0.1461%
$12.53M
+3,096%
CROOKE STANLEY T
Exec Chairman of the Board
—
$46.32M (113) scheduled
−$46.32M
1,202,384
0.7235%
$62.04M
−14.1%
BENNETT C FRANK
EVP, Chief Scientific Officer
—
$30.87M (45) scheduled
−$30.87M
60,128
0.0362%
$3.10M
+281.3%
O'NEIL PATRICK R.
EVP CLO & General Counsel
—
$30.65M (81) scheduled
−$30.65M
59,205
0.0356%
$3.05M
+523.7%
HOUGEN ELIZABETH L
EVP, Finance & CFO
—
$27.53M (36) scheduled
−$27.53M
82,660
0.0497%
$4.27M
+1,170%
Geary Richard S
EVP, Chief Development Officer
—
$23.43M (43) scheduled
−$23.43M
59,657
0.0359%
$3.08M
+603.3%
PARSHALL B LYNNE
Director
—
$17.35M (33) scheduled
−$17.35M
51,344
0.0309%
$2.65M
+207.6%
KLEIN JOSEPH III
Director
—
$12.81M (50) scheduled
−$12.81M
11,014
0.0066%
$568.32K
+43.8%
Swayze Eric
EVP Research
—
$11.07M (31) scheduled
−$11.07M
22,077
0.0133%
$1.14M
+2,904%
WENDER JOSEPH H
Director
—
$10.14M (17) scheduled
−$10.14M
52,035
0.0313%
$2.69M
−15.8%
Devers Shannon L.
EVP, Chief Human Resources Ofc
—
$8.99M (16) scheduled
−$8.99M
16,348
0.0098%
$843.56K
+106.7%
LOSCALZO JOSEPH
Director
—
$8.56M (7) scheduled
−$8.56M
36,330
0.0219%
$1.87M
+654.7%
Schneider Eugene
EVP, Chf Clinical Develop Ofcr
—
$7.94M (15) scheduled
−$7.94M
77,114
0.0464%
$3.98M
+192.0%
Baroldi Joseph
EVP, Chief Business Officer
—
$7.09M (25) scheduled
−$7.09M
49,578
0.0298%
$2.56M
+1,065%
Diaz Allene M.
Director
—
$5.39M (8) scheduled
−$5.39M
3,811
0.0023%
$196.65K
—
BERTHELSEN SPENCER R
Director
—
$4.88M (9) scheduled
−$4.88M
161,233
0.0970%
$8.32M
+103.2%
Kordasiewicz Holly B.
EVP, Chief Development Officer
—
$4.81M (4) scheduled
−$4.81M
22,096
0.0133%
$1.14M
+42.7%
Birchler Brian
EVP, Corp and Development Ops
—
$4.04M (11) scheduled
−$4.04M
102,883
0.0619%
$5.31M
+45.6%
Jenne Kyle
EVP, Chf GL Pdt Str Ofcr
—
$3.42M (5) scheduled
−$3.42M
23,713
0.0143%
$1.22M
+1,092%
MUTO FREDERICK T
Director
—
$3.37M (7) scheduled
−$3.37M
59,597
0.0359%
$3.08M
+713.6%
HERMAN JOAN E
Director
—
$3.17M (2) scheduled
−$3.17M
51,306
0.0309%
$2.65M
—
Hayden Michael R
Director
$1.72M (5)
—
+$1.72M
78,298
0.0471%
$4.04M
+1,857%
Cadoret-Manier Onaiza
EVP, Chf GL Pdt Str & Oper Ofc
—
$687.39K (5)
−$687.39K
35,825
0.0216%
$1.85M
—
Castleman Breaux
Director
—
$600.00K (1) scheduled
−$600.00K
19,183
0.0115%
$989.84K
+110.6%
Boyce Sarah
Chief Business Officer
—
$176.67K (3)
−$176.67K
8,931
0.0054%
$460.84K
+317.7%
Reikes Peter N
Director
—
—
—
14,222
0.0086%
$733.86K
—
YANG MICHAEL J.
Director
—
—
—
7,940
0.0048%
$409.70K
—
McDevitt Damien
Chief Business Officer
—
—
—
2,573
0.0015%
$132.77K
—

Individual transactions

59
Insider
Date
Role
Action
Shares
Price
Amount
Baroldi Joseph
16 Apr 2026
EVP, Chief Business Officer
Sell
5,619
$74.56
$418.95K
Birchler Brian
16 Apr 2026
EVP, Corp and Development Ops
Sell
973
$75.04
$73.02K
Jenne Kyle
16 Apr 2026
EVP, Chf GL Pdt Str Ofcr
Sell
4,902
$75.17
$368.49K
Baroldi Joseph
30 Jan 2026
EVP, Chief Business Officer
Sell
5,296
$82.96
$439.36K
BENNETT C FRANK
30 Jan 2026
EVP, Chief Scientific Officer
Sell
5,885
$82.95
$488.14K
Birchler Brian
30 Jan 2026
EVP, Corp and Development Ops
Sell
6,179
$83.03
$513.05K
HOUGEN ELIZABETH L
30 Jan 2026
EVP, Finance & CFO
Sell
6,988
$83.24
$581.70K
Monia Brett P
30 Jan 2026
Chief Executive Officer
Sell
62,970
$82.72
$5.21M
O'NEIL PATRICK R.
30 Jan 2026
EVP CLO & General Counsel
Sell
6,179
$83.53
$516.15K
Schneider Eugene
30 Jan 2026
EVP, Chf Clinical Develop Ofcr
Sell
6,179
$83.45
$515.63K
Swayze Eric
30 Jan 2026
EVP Research
Sell
6,179
$82.93
$512.45K
Baroldi Joseph
16 Jan 2026
EVP, Chief Business Officer
Sell indirect
1,149
$75.78
$87.07K
Baroldi Joseph
16 Jan 2026
EVP, Chief Business Officer
Sell
6,907
$75.75
$523.21K
BENNETT C FRANK
16 Jan 2026
EVP, Chief Scientific Officer
Sell
8,977
$75.15
$674.62K
Birchler Brian
16 Jan 2026
EVP, Corp and Development Ops
Sell
8,480
$75.11
$636.93K
Devers Shannon L.
16 Jan 2026
EVP, Chief Human Resources Ofc
Sell
8,353
$75.95
$634.41K
HOUGEN ELIZABETH L
16 Jan 2026
EVP, Finance & CFO
Sell
12,922
$75.22
$971.99K
Jenne Kyle
16 Jan 2026
EVP, Chf GL Pdt Str Ofcr
Sell
1,823
$75.96
$138.48K
Kordasiewicz Holly B.
16 Jan 2026
EVP, Chief Development Officer
Sell
4,141
$75.66
$313.31K
Monia Brett P
16 Jan 2026
Chief Executive Officer
Sell
44,034
$74.82
$3.29M
O'NEIL PATRICK R.
16 Jan 2026
EVP CLO & General Counsel
Sell
9,191
$75.84
$697.05K
Schneider Eugene
16 Jan 2026
EVP, Chf Clinical Develop Ofcr
Sell
9,302
$75.59
$703.14K
Swayze Eric
16 Jan 2026
EVP Research
Sell indirect
49
$75.97
$3.72K
Swayze Eric
16 Jan 2026
EVP Research
Sell
9,884
$75.34
$744.66K
Swayze Eric
16 Oct 2025
EVP Research
Sell indirect
53
$73.62
$3.90K
Baroldi Joseph
16 Apr 2025
EVP, Chief Business Officer
Sell
3,928
$28.40
$111.56K
Jenne Kyle
16 Apr 2025
EVP, Chf GL Pdt Str Ofcr
Sell
3,016
$28.36
$85.53K
Birchler Brian
16 Apr 2025
EVP, Corp and Development Ops
Sell
680
$28.37
$19.29K
BENNETT C FRANK
31 Jan 2025
EVP, Chief Scientific Officer
Sell
1,327
$32.46
$43.08K
Geary Richard S
31 Jan 2025
EVP, Chief Development Officer
Sell
1,406
$32.40
$45.56K
HOUGEN ELIZABETH L
31 Jan 2025
EVP, Finance & CFO
Sell
1,523
$32.44
$49.40K
Monia Brett P
31 Jan 2025
Chief Executive Officer
Sell
13,242
$32.45
$429.66K
O'NEIL PATRICK R.
31 Jan 2025
EVP CLO & General Counsel
Sell
1,406
$32.49
$45.68K
Schneider Eugene
31 Jan 2025
EVP, Chf Clinical Develop Ofcr
Sell
1,484
$32.20
$47.78K
Swayze Eric
31 Jan 2025
EVP Research
Sell
1,367
$32.31
$44.16K
Baroldi Joseph
16 Jan 2025
EVP, Chief Business Officer
Sell indirect
1,029
$32.70
$33.65K
Baroldi Joseph
16 Jan 2025
EVP, Chief Business Officer
Sell
3,401
$32.70
$111.21K
BENNETT C FRANK
16 Jan 2025
EVP, Chief Scientific Officer
Sell
6,752
$32.90
$222.11K
Birchler Brian
16 Jan 2025
EVP, Corp and Development Ops
Sell
5,400
$32.70
$176.58K
Devers Shannon L.
16 Jan 2025
EVP, Chief Human Resources Ofc
Sell
4,267
$32.78
$139.86K
Geary Richard S
16 Jan 2025
EVP, Chief Development Officer
Sell
7,072
$32.86
$232.41K
HOUGEN ELIZABETH L
16 Jan 2025
EVP, Finance & CFO
Sell
8,870
$32.81
$290.99K
Monia Brett P
16 Jan 2025
Chief Executive Officer
Sell
33,445
$32.63
$1.09M
O'NEIL PATRICK R.
16 Jan 2025
EVP CLO & General Counsel
Sell
7,360
$32.83
$241.63K
Schneider Eugene
16 Jan 2025
EVP, Chf Clinical Develop Ofcr
Sell
6,523
$32.79
$213.89K
Swayze Eric
16 Jan 2025
EVP Research
Sell indirect
22
$32.70
$719.40
Swayze Eric
16 Jan 2025
EVP Research
Sell
7,154
$32.84
$234.96K
Swayze Eric
16 Oct 2024
EVP Research
Sell indirect
53
$38.31
$2.03K
Birchler Brian
16 Apr 2024
EVP, Corp and Development Ops
Sell
905
$41.66
$37.70K
Baroldi Joseph
16 Apr 2024
EVP, Chief Business Officer
Sell
4,006
$41.60
$166.64K
BENNETT C FRANK
2 Feb 2024
EVP, Chief Scientific Officer
Sell
1,853
$49.52
$91.75K
Cadoret-Manier Onaiza
2 Feb 2024
EVP, Chf GL Pdt Str & Oper Ofc
Sell
2,125
$49.60
$105.40K
Geary Richard S
2 Feb 2024
EVP, Chief Development Officer
Sell
1,961
$50.04
$98.13K
HOUGEN ELIZABETH L
2 Feb 2024
EVP, Finance & CFO
Sell
2,125
$49.54
$105.27K
Monia Brett P
2 Feb 2024
Chief Executive Officer
Sell
23,501
$49.37
$1.16M
O'NEIL PATRICK R.
2 Feb 2024
EVP CLO & General Counsel
Sell
1,961
$49.67
$97.41K
Schneider Eugene
2 Feb 2024
EVP, Chf Clinical Develop Ofcr
Sell
2,071
$49.59
$102.70K
Baroldi Joseph
17 Jan 2024
EVP, Chief Business Officer
Sell indirect
564
$50.42
$28.44K
Baroldi Joseph
17 Jan 2024
EVP, Chief Business Officer
Sell
1,460
$50.42
$73.61K
Showing 250 of 648 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 788
Amendments (4/A) skipped 23
Filings about a different issuer 7
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 82
Sales straight out of an exercise 356
Sales at will 189
Transactions with no price 0
Shares from compensation/vesting 6,790,966
Sales filed before the plan box existed 115
History held since 6 Sep 2016