Shannon L. Devers

CIK 2037721 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 1, 2024 · Latest: April 2, 2026

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

IONS selling April 2, 2026

Insider transactions

0 buys (P) 15 sells (S) Net: $-8,854,430 + 42 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

42 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 2, 2026	IONS	S 10b5-1	6,193	$74.05	$458,592	16,348 Direct	-27.47%	Disposed	-19.7% (price as of 2026-08-20)
March 3, 2026	IONS	M	385	—	—	8,877 Direct	-4.16%	Disposed	(price as of 2026-08-20)
March 3, 2026	IONS	M	3,760	—	—	11,280 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 3, 2026	IONS	M	3,510	—	—	5,744 Direct	-37.93%	Disposed	(price as of 2026-08-20)
March 3, 2026	IONS	M	5,500	—	—	16,500 Direct	-25.00%	Disposed	(price as of 2026-08-20)
March 3, 2026	IONS	M	6,951	—	—	928 Direct	-88.22%	Disposed	(price as of 2026-08-20)
March 3, 2026	IONS	S 10b5-1	755	$80.84	$61,034	22,541 Direct	-3.24%	Disposed	-26.4% (price as of 2026-08-20)
March 3, 2026	IONS	S 10b5-1	5,030	$80.00	$402,400	23,296 Direct	-17.76%	Disposed	-25.7% (price as of 2026-08-20)
March 3, 2026	IONS	S 10b5-1	14,321	$79.11	$1,132,934	28,326 Direct	-33.58%	Disposed	-24.8% (price as of 2026-08-20)
March 3, 2026	IONS	M	385	$52.87	$20,355	42,647 Direct	+0.91%	Acquired	12.5% (price as of 2026-08-20)
March 3, 2026	IONS	M	6,951	$32.60	$226,603	42,262 Direct	+19.69%	Acquired	82.4% (price as of 2026-08-20)
March 3, 2026	IONS	M	5,500	$34.69	$190,795	35,311 Direct	+18.45%	Acquired	71.4% (price as of 2026-08-20)
March 3, 2026	IONS	M	3,760	$40.85	$153,596	29,811 Direct	+14.43%	Acquired	45.6% (price as of 2026-08-20)
March 3, 2026	IONS	M	3,510	$37.58	$131,906	26,051 Direct	+15.57%	Acquired	58.2% (price as of 2026-08-20)
Jan. 22, 2026	IONS	S 10b5-1	3,977	$81.34	$323,489	22,541 Direct	-15.00%	Disposed	-26.9% (price as of 2026-08-20)
Jan. 16, 2026	IONS	S	8,353	$75.95	$634,410	26,518 Direct	-23.95%	Disposed	-21.7% (price as of 2026-08-20)
Jan. 15, 2026	IONS	A	9,675	—	—	52,704 Direct	+22.48%	Acquired	(price as of 2026-08-20)
Jan. 15, 2026	IONS	M	17,377	—	—	43,029 Direct	-28.77%	Disposed	(price as of 2026-08-20)
Jan. 15, 2026	IONS	A	25,800	—	—	47,800 Direct	+117.27%	Acquired	(price as of 2026-08-20)
Jan. 15, 2026	IONS	M	17,377	—	—	34,871 Direct	+99.33%	Acquired	(price as of 2026-08-20)
Jan. 7, 2026	IONS	M	25,545	—	—	2,971 Direct	-89.58%	Disposed	(price as of 2026-08-20)
Jan. 7, 2026	IONS	M	9,264	—	—	9,262 Direct	-50.01%	Disposed	(price as of 2026-08-20)
Jan. 7, 2026	IONS	M	3,829	—	—	9,254 Direct	-29.27%	Disposed	(price as of 2026-08-20)
Jan. 7, 2026	IONS	M	3,460	—	—	7,879 Direct	-30.51%	Disposed	(price as of 2026-08-20)
Jan. 7, 2026	IONS	M	2,101	—	—	11,339 Direct	-15.63%	Disposed	(price as of 2026-08-20)
Jan. 7, 2026	IONS	S 10b5-1	9,264	$84.62	$783,920	17,494 Direct	-34.62%	Disposed	-29.7% (price as of 2026-08-20)
Jan. 7, 2026	IONS	M	9,264	$52.87	$489,788	26,758 Direct	+52.96%	Acquired	12.5% (price as of 2026-08-20)
Jan. 7, 2026	IONS	S 10b5-1	3,829	$84.62	$324,010	17,494 Direct	-17.96%	Disposed	-29.7% (price as of 2026-08-20)
Jan. 7, 2026	IONS	M	3,829	$37.58	$143,894	21,323 Direct	+21.89%	Acquired	58.2% (price as of 2026-08-20)
Jan. 7, 2026	IONS	S 10b5-1	3,460	$84.62	$292,785	17,494 Direct	-16.51%	Disposed	-29.7% (price as of 2026-08-20)
Jan. 7, 2026	IONS	M	3,460	$32.60	$112,796	20,954 Direct	+19.78%	Acquired	82.4% (price as of 2026-08-20)
Jan. 7, 2026	IONS	S 10b5-1	2,101	$85.36	$179,341	17,494 Direct	-10.72%	Disposed	-30.3% (price as of 2026-08-20)
Jan. 7, 2026	IONS	M	2,101	$32.60	$68,493	19,595 Direct	+12.01%	Acquired	82.4% (price as of 2026-08-20)
Jan. 7, 2026	IONS	S 10b5-1	25,545	$85.36	$2,180,521	17,494 Direct	-59.35%	Disposed	-30.3% (price as of 2026-08-20)
Jan. 7, 2026	IONS	M	25,545	$56.78	$1,450,445	43,039 Direct	+146.02%	Acquired	4.7% (price as of 2026-08-20)
Jan. 2, 2026	IONS	A	19,350	—	—	19,350 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 25, 2025	IONS	M	16,777	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 25, 2025	IONS	S 10b5-1	16,777	$80.91	$1,357,427	17,494 Direct	-48.95%	Disposed	-26.5% (price as of 2026-08-20)
Nov. 25, 2025	IONS	M	16,777	$53.77	$902,099	34,271 Direct	+95.90%	Acquired	10.6% (price as of 2026-08-20)
Oct. 16, 2025	IONS	S	1,263	$73.62	$92,982	17,494 Direct	-6.73%	Disposed	-19.2% (price as of 2026-08-20)
Oct. 15, 2025	IONS	M	2,820	—	—	60,406 Direct	-4.46%	Disposed	(price as of 2026-08-20)
Oct. 15, 2025	IONS	M	6,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 15, 2025	IONS	M	2,820	—	—	18,757 Direct	+17.69%	Acquired	(price as of 2026-08-20)
Oct. 15, 2025	IONS	S 10b5-1	6,000	$72.94	$437,640	15,937 Direct	-27.35%	Disposed	-18.5% (price as of 2026-08-20)
Oct. 15, 2025	IONS	M	6,000	$48.51	$291,060	21,937 Direct	+37.65%	Acquired	22.6% (price as of 2026-08-20)
Sept. 3, 2025	IONS	M	2,234	—	—	13,083 Direct	-14.59%	Disposed	(price as of 2026-08-20)
Sept. 3, 2025	IONS	M	928	—	—	13,440 Direct	-6.46%	Disposed	(price as of 2026-08-20)
Sept. 3, 2025	IONS	M	928	$32.60	$30,253	15,937 Direct	+6.18%	Acquired	82.4% (price as of 2026-08-20)
Sept. 3, 2025	IONS	S 10b5-1	3,162	$61.02	$192,945	15,009 Direct	-17.40%	Disposed	-2.6% (price as of 2026-08-20)
Sept. 3, 2025	IONS	M	2,234	$37.58	$83,954	18,171 Direct	+14.02%	Acquired	58.2% (price as of 2026-08-20)
Jan. 16, 2025	IONS	S	4,267	$32.78	$139,872	15,937 Direct	-21.12%	Disposed	81.4% (price as of 2026-08-20)
Jan. 15, 2025	IONS	M	12,295	—	—	63,226 Direct	-16.28%	Disposed	(price as of 2026-08-20)
Jan. 15, 2025	IONS	A	33,000	—	—	75,521 Direct	+77.61%	Acquired	(price as of 2026-08-20)
Jan. 15, 2025	IONS	A	22,000	—	—	22,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 15, 2025	IONS	M	12,295	—	—	20,204 Direct	+155.46%	Acquired	(price as of 2026-08-20)
Jan. 2, 2025	IONS	A	22,000	—	—	22,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 15, 2024	IONS	A	11,280	—	—	42,521 Direct	+36.11%	Acquired	(price as of 2026-08-20)
Sept. 29, 2024	IONS	A	15,040	—	—	15,040 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 3, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (385)	$52.87	Jan. 1, 2034	385	Disposed
March 3, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (3,760)	$40.85	Sept. 28, 2034	3,760	Disposed
March 3, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (3,510)	$37.58	Jan. 2, 2033	3,510	Disposed
March 3, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (5,500)	$34.69	Jan. 1, 2035	5,500	Disposed
March 3, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (6,951)	$32.60	Jan. 2, 2032	6,951	Disposed
Jan. 15, 2026	IONS	Restricted Stock Unit [F8]	Common Stock (9,675)	—	—	9,675	Acquired
Jan. 15, 2026	IONS	Restricted Stock Unit	Common Stock (17,377)	—	—	17,377	Disposed
Jan. 15, 2026	IONS	Performance Restricted Stock Units [F4]	Common Stock (25,800)	$0.00	—	25,800	Acquired
Jan. 7, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (25,545)	$56.78	Jan. 3, 2028	25,545	Disposed
Jan. 7, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (9,264)	$52.87	Jan. 1, 2034	9,264	Disposed
Jan. 7, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (3,829)	$37.58	Jan. 2, 2033	3,829	Disposed
Jan. 7, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (3,460)	$32.60	Jan. 2, 2032	3,460	Disposed
Jan. 7, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (2,101)	$32.60	Jan. 2, 2032	2,101	Disposed
Jan. 2, 2026	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (19,350)	$79.67	Jan. 1, 2036	19,350	Acquired
Nov. 25, 2025	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (16,777)	$53.77	Jan. 1, 2026	16,777	Disposed
Oct. 15, 2025	IONS	Restricted Stock Unit	Common Stock (2,820)	—	—	2,820	Disposed
Oct. 15, 2025	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (6,000)	$48.51	April 4, 2027	6,000	Disposed
Sept. 3, 2025	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (2,234)	$37.58	Jan. 2, 2033	2,234	Disposed
Sept. 3, 2025	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (928)	$32.60	Jan. 2, 2032	928	Disposed
Jan. 15, 2025	IONS	Restricted Stock Unit	Common Stock (12,295)	—	—	12,295	Disposed
Jan. 15, 2025	IONS	Restricted Stock Unit [F6]	Common Stock (33,000)	—	—	33,000	Acquired
Jan. 15, 2025	IONS	Performance Restricted Stock Units [F4]	Common Stock (22,000)	$0.00	—	22,000	Acquired
Jan. 2, 2025	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (22,000)	$34.69	Jan. 1, 2035	22,000	Acquired
Oct. 15, 2024	IONS	Restricted Stock Unit [F1]	Common Stock (11,280)	—	—	11,280	Acquired
Sept. 29, 2024	IONS	Non-Qualified Stock Option (right to buy)	Common Stock (15,040)	$40.85	Sept. 28, 2034	15,040	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 10 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Oct. 1, 2024	IONS	Common Stock	7,909	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (14,368)	14,368	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (15,317)	15,317	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (6,000)	6,000	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (16,042)	16,042	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (18,526)	18,526	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (16,777)	16,777	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (28,516)	28,516	Direct
Oct. 1, 2024	IONS	Non-Qualified Stock Option (right to buy)→ Common Stock (17,125)	17,125	Direct
Oct. 1, 2024	IONS	Restricted Stock Unit [F1]→ Common Stock (31,241)	31,241	Direct