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IONSIONIS PHARMACEUTICALS INC
CIK 0000874015 · last filing 2d ago · 10 insider transactions
Buy volume
$4.00M
6 buy transactions
Sell volume
$7.67M
4 sell transactions
Net flow
-$3.66M
Net selling
Total flow
$11.67M
10 priced transactions
Disclosure radarcross-source convergence
Institution-led3/5 sources
4/100
Recent disclosures · timeline
- Form 1442d ago
Proposed sale of 5,635 sh ($451.7K) · discretionary
- Form 1442d ago
Proposed sale of 3,069 sh ($245.5K) · discretionary
- Form 1442d ago
Proposed sale of 47,884 sh ($3.88M) · discretionary
- Form 42d ago
Price · IONS
Live chart by TradingViewLive chart via TradingView. Insider trade price and date are from the underlying SEC filing. Not financial advice.
IONS insider flow· last 30 days
Buys Sellsnet -$3.66M
Institutional holders · 13F
Q1 2026 vs Q4 2025 · live SEC data9 funds hold$4.86B reported valueNet reducing(5 adding · 5 reducing)
| Fund | Shares | Value | % of portfolio | QoQ |
|---|---|---|---|---|
| FMR LLC (Fidelity) | 24,556,637 | $1.84B | 0.3% | Add+2% |
| Vanguard Group Inc | 16,440,459 | $1.30B | 0.1% | Trim |
| BlackRock Inc | 10,442,476 | $784.13M | 0.0% | Trim |
Proposed sales · Form 144
selling intent · live SEC data4 notices$5.42M proposed to sell0/4 under a 10b5-1 plan
| Filed | Filer | Shares | Est. value | Approx. sale | Source of shares | Plan |
|---|---|---|---|---|---|---|
| 2d ago | Baroldi Mariana Member of immediate family of any of the foregoing | 5,635 | $451.7K | Jun 26, 2026 | Stock Option Exercise | Discretionary |
| 2d ago | O'NEIL PATRICK R. Officer | 3,069 | $245.5K | Jun 26, 2026 | Restricted Stock | Discretionary |
Recent insider transactions
| Filed | Insider | Transaction | Shares | Price | Value | Signal | Flags | |
|---|---|---|---|---|---|---|---|---|
2d ago Jun 26, 2026 | Monia Brett P Chief Executive Officer · Director | Sell · S | 50,000 | $80.59 | $4.03M | Neutral-14 | ||
2d ago Jun 26, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 50,000 | $56.78 | $2.84M | Neutral-14 | ||
2d ago Jun 26, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 50,000 | $0.00 | $0 | Neutral-14 | Deriv | |
2d ago Jun 25, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 21,072 | $0.00 | $0 | Neutral-14 | Deriv | |
2d ago Jun 25, 2026 | Monia Brett P Chief Executive Officer · Director | Sell · S | 21,072 | $78.49 | $1.65M | Neutral-14 | ||
2d ago Jun 25, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 21,072 | $32.60 | $686.9K | Neutral-14 | ||
2d ago Jun 25, 2026 | Swayze Eric EVP Research | Sell · S | 10,602 | $79.18 | $839.5K | Mild sell-21 | ||
2d ago Jun 24, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 14,565 | $32.60 | $474.8K | Neutral-14 | ||
2d ago Jun 24, 2026 | Monia Brett P Chief Executive Officer · Director | Sell · S | 14,565 | $78.41 | $1.14M | Neutral-14 | ||
2d ago Jun 24, 2026 | Monia Brett P Chief Executive Officer · Director | Buy · M | 14,565 | $0.00 | $0 | Neutral-14 | Deriv |