Dudediligence.

Ionis Pharmaceuticals, Inc

IONSNASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$77.5M

28 notices · 998,803 sh

Mar 3 to Oct 4

Reported ·

$124.2M

120 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

93 of 120 reported sales carry the 10b5-1 box. Together they are 0.97% of the shares on issue.

PLANNED · FORM 144Mar 3 to Oct 4REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-07-07: Diaz Allene M., Form 1442026-07-07: Kordasiewicz Holly B., Form 1442026-07-07: BENNETT C FRANK, Form 1442026-07-01: KLEIN JOSEPH III, Form 1442026-06-26: Baroldi Mariana, Form 1442026-06-26: O'NEIL PATRICK R., Form 1442026-06-26: Schneider Eugene, Form 1442026-06-25: Swayze Eric, Form 1442026-06-15: BERTHELSEN SPENCER R, Form 1442026-06-12: Kordasiewicz Holly B., Form 1442026-06-01: BERTHELSEN SPENCER R, Form 1442026-05-13: Monia Brett P, Form 1442026-05-04: LOSCALZO JOSEPH, Form 1442026-04-28: Baroldi Joseph, Form 1442026-04-16: Jenne Kyle, Form 1442026-04-16: Birchler Brian, Form 1442026-04-16: Baroldi Joseph, Form 1442026-03-03: Diaz Allene M., Form 1442026-03-19: Schneider Eugene, Form 1442026-03-16: HOUGEN ELIZABETH L, Form 1442026-03-10: Jenne Kyle, Form 1442026-03-09: O'NEIL PATRICK R., Form 1442026-03-03: BENNETT C FRANK, Form 1442026-03-03: LOSCALZO JOSEPH, Form 1442026-03-03: Baroldi Mariana, Form 1442026-03-03: Baroldi Joseph, Form 1442026-03-03: KLEIN JOSEPH III, Form 1442026-03-03: Devers Shannon L., Form 1442025-10-06: Baroldi Joseph, sold2025-10-06: Monia Brett P, sold2025-10-06: O'NEIL PATRICK R., sold2025-10-06: Swayze Eric, sold2025-10-14: Birchler Brian, sold2025-10-15: Devers Shannon L., sold2025-10-15: PARSHALL B LYNNE, sold2025-10-16: Swayze Eric, sold2025-10-30: WENDER JOSEPH H, sold2025-10-31: Geary Richard S, sold2025-10-31: LOSCALZO JOSEPH, sold2025-11-05: Geary Richard S, sold2025-11-06: Birchler Brian, sold2025-11-19: HERMAN JOAN E, sold2025-11-25: Devers Shannon L., sold2025-11-25: KLEIN JOSEPH III, sold2025-12-01: WENDER JOSEPH H, sold2026-01-02: Swayze Eric, sold2026-01-07: Devers Shannon L., sold2026-01-16: Baroldi Joseph, sold2026-01-16: BENNETT C FRANK, sold2026-01-16: Birchler Brian, sold2026-01-16: Devers Shannon L., sold2026-01-16: HOUGEN ELIZABETH L, sold2026-01-16: Jenne Kyle, sold2026-01-16: Kordasiewicz Holly B., sold2026-01-16: Monia Brett P, sold2026-01-16: O'NEIL PATRICK R., sold2026-01-16: Schneider Eugene, sold2026-01-16: Swayze Eric, sold2026-01-22: Devers Shannon L., sold2026-01-30: Baroldi Joseph, sold2026-01-30: BENNETT C FRANK, sold2026-01-30: Birchler Brian, sold2026-01-30: HOUGEN ELIZABETH L, sold2026-01-30: Monia Brett P, sold2026-01-30: O'NEIL PATRICK R., sold2026-01-30: Schneider Eugene, sold2026-01-30: Swayze Eric, sold2026-02-02: BENNETT C FRANK, sold2026-02-06: Monia Brett P, sold2026-02-11: PARSHALL B LYNNE, sold2026-02-13: Swayze Eric, sold2026-03-03: Baroldi Joseph, sold2026-03-03: BENNETT C FRANK, sold2026-03-03: Devers Shannon L., sold2026-03-03: Diaz Allene M., sold2026-03-03: KLEIN JOSEPH III, sold2026-03-03: LOSCALZO JOSEPH, sold2026-03-09: Monia Brett P, sold2026-03-09: O'NEIL PATRICK R., sold2026-03-10: Jenne Kyle, sold2026-03-16: HOUGEN ELIZABETH L, sold2026-03-19: Schneider Eugene, sold2026-04-01: KLEIN JOSEPH III, sold2026-04-02: Devers Shannon L., sold2026-04-15: PARSHALL B LYNNE, sold2026-04-16: Baroldi Joseph, sold2026-04-16: Birchler Brian, sold2026-04-16: Jenne Kyle, sold2026-04-28: Baroldi Joseph, sold2026-05-01: KLEIN JOSEPH III, sold2026-05-04: LOSCALZO JOSEPH, sold2026-05-13: Monia Brett P, sold2026-06-01: BERTHELSEN SPENCER R, sold2026-06-12: Kordasiewicz Holly B., sold2026-06-15: BERTHELSEN SPENCER R, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-07-07Diaz Allene M., Director$863,637
10,111 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-07-07Kordasiewicz Holly B., EVP, Chief Development Officer$108,494
1,287 shplan 2026-03-13Form 4s on file end Jun 23144 ↗
2026-07-07BENNETT C FRANK, EVP, Chief Scientific Officer$5,724,724
67,386 shplan 2026-03-31Form 4s on file end Jun 23144 ↗
2026-07-01KLEIN JOSEPH III, Director$910,417
11,518 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-06-26Baroldi Mariana, Member of immediate family of any of the foregoing$451,699
5,635 shplan 2025-11-25Form 4s on file end Jun 23144 ↗
2026-06-26O'NEIL PATRICK R., EVP CLO & General Counsel$245,520
3,069 shplan 2025-12-08144 ↗
Form 4, 2026-06-30: sold 3,069 at $80.00 Form 4 ↗
2026-06-26Schneider Eugene, EVP, Chf Clinical Develop Ofcr$3,880,807
47,884 shplan 2025-11-19144 ↗
Form 4, 2026-06-30: sold 26,000 at $81.05 Form 4 ↗
2026-06-25Swayze Eric, EVP Research$839,287
10,602 shplan 2026-03-06144 ↗
Form 4, 2026-06-26: sold 10,602 at $79.18 Form 4 ↗
2026-06-15BERTHELSEN SPENCER R, Director$587,920
8,000 shplan 2025-09-09144 ↗
Form 4, 2026-06-16: sold 8,000 at $73.49 Form 4 ↗
2026-06-12Kordasiewicz Holly B., EVP, Chief Development Officer$4,466,425
60,846 shplan 2026-03-13144 ↗
Form 4, 2026-06-16: sold 60,846 at $73.40 Form 4 ↗
2026-06-01BERTHELSEN SPENCER R, Director$605,360
8,000 shplan 2025-09-09144 ↗
Form 4, 2026-06-03: sold 8,000 at $75.67 Form 4 ↗
2026-05-13Monia Brett P, Chief Executive Officer$7,801,300
100,000 shplan 2025-12-08144 ↗
Form 4, 2026-05-15: sold 4,536 at $78.49 Form 4 ↗
2026-05-04LOSCALZO JOSEPH, Director$4,345,680
54,321 shplan 2025-11-18144 ↗
Form 4, 2026-05-06: sold 77,289 at $75.06 Form 4 ↗
2026-04-28Baroldi Joseph, EVP, Chief Business Officer$116,727
1,626 shplan 2025-11-25144 ↗
Form 4, 2026-04-30: sold 1,626 at $71.79 Form 4 ↗
2026-04-16Jenne Kyle, EVP, Chf GL Pdt Str Ofcr$369,600
4,902 shno plan date144 ↗
Form 4, 2026-04-17: sold 4,902 at $75.17 Form 4 ↗
2026-04-16Birchler Brian, EVP, Corp and Development Ops$73,362
973 shno plan date144 ↗
Form 4, 2026-04-17: sold 973 at $75.04 Form 4 ↗
2026-04-16Baroldi Joseph, EVP, Chief Business Officer$423,660
5,619 shno plan date144 ↗
Form 4, 2026-04-17: sold 5,619 at $74.56 Form 4 ↗
2026-03-19Schneider Eugene, EVP, Chf Clinical Develop Ofcr$412,486
5,812 shplan 2025-11-19144 ↗
Form 4, 2026-03-23: sold 5,812 at $70.97 Form 4 ↗
2026-03-16HOUGEN ELIZABETH L, EVP, Finance & CFO$16.3M
225,200 shplan 2025-12-09144 ↗
Form 4, 2026-03-18: sold 225,220 at $72.43 Form 4 ↗
2026-03-10Jenne Kyle, EVP, Chf GL Pdt Str Ofcr$4,402,296
58,253 shplan 2025-12-08144 ↗
Form 4, 2026-03-11: sold 37,277 at $75.85 Form 4 ↗
2026-03-09O'NEIL PATRICK R., EVP CLO & General Counsel$994,612
13,217 shplan 2025-12-08144 ↗
Form 4, 2026-03-11: sold 10,148 at $75.25 Form 4 ↗
2026-03-03Diaz Allene M., Director$5,469,600
68,800 shplan 2025-11-25144 ↗
Form 4, 2026-03-05: sold 54,878 at $79.35 Form 4 ↗
2026-03-03BENNETT C FRANK, EVP, Chief Scientific Officer$7,056,227
85,089 shplan 2025-11-19144 ↗
Form 4, 2026-03-05: sold 85,089 at $79.23 Form 4 ↗
2026-03-03LOSCALZO JOSEPH, Director$1,920,000
24,000 shplan 2025-11-18144 ↗
Form 4, 2026-03-05: sold 1,032 at $80.27 Form 4 ↗
2026-03-03Baroldi Mariana, Officer$655,840
8,198 shplan 2025-11-25no Form 4 on file144 ↗
2026-03-03Baroldi Joseph, EVP, Chief Business Officer$325,059
4,096 shplan 2025-11-24144 ↗
Form 4, 2026-03-05: sold 6,659 at $79.74 Form 4 ↗
2026-03-03KLEIN JOSEPH III, Director$5,035,928
65,345 shplan 2025-11-25144 ↗
Form 4, 2026-03-05: sold 21,332 at $79.51 Form 4 ↗
2026-03-03Devers Shannon L., EVP, Chief Human Resources Ofc$3,101,613
39,014 shplan 2025-11-24144 ↗
Form 4, 2026-03-05: sold 20,106 at $79.40 Form 4 ↗