Latest filingSep 03, 2026Most recent Form 4
IONS
IONIS PHARMACEUTICALS INC
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$00 sells
Net open-market+$04 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period4transactions
- J · Other · dominant4 · 100%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- EVP · dominant2 · 29%
- CDO1 · 14%
- Chief executive officer1 · 14%
- CSO1 · 14%
- EC1 · 14%
- GC1 · 14%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (4)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBirchler BrianCommon Stock · Direct
102,883Aug 31, 2026
Monia Brett PCommon Stock · Direct
242,760Aug 31, 2026
O'neil Patrick R.Common Stock · Direct
59,205Aug 31, 2026
Bennett C FrankCommon Stock · Direct
60,128Aug 31, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- BF+$5.6k
- MP+$5.0k
- OR+$3.2k
- BB+$3.0k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
IONS transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| IONS | BENNETT C FRANK | EVPCSO | other | 110 | $564k | J | — | 0.0% | 09/03 | 08/31 |
| IONS | O'NEIL PATRICK R. | ECGC | other | 63 | $323k | J | — | 0.0% | 09/03 | 08/31 |
| IONS | Monia Brett P | CEO | other | 98 | $502k | J | — | 0.0% | 09/03 | 08/31 |
| IONS | Birchler Brian | EVPCDO | other | 58 | $297k | J | — | 0.0% | 09/03 | 08/31 |
IONIS PHARMACEUTICALS INC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at IONIS PHARMACEUTICALS INC?
BENNETT C FRANK, O'NEIL PATRICK R., Monia Brett P, Birchler Brian.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
No code-P purchases or code-S sales were reported in the selected period.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.