BERTHELSEN SPENCER R

CIK: 0001181548

BERTHELSEN SPENCER R is a corporate insider at IONIS PHARMACEUTICALS INC (IONS) filing SEC Form 4 transactions. 174 transactions, totaling $0 in purchases and $3,988,282 in sales. Source: SEC EDGAR.

AI Insider Summary

Two numbers refuse to sit together in Spencer R. Berthelsen's Form 4 history: total shares bought is 0 across 174 transactions, yet the recent tape is full of code-M option exercises that create share inventory moments before code-S sales. All 174 filings map to a single issuer lineage (Ionis Pharmaceuticals / historical Isis Pharmaceuticals ticker path) with 122,000 shares on the sell side. The cleanest recent example is 2026-06-15: 8,000 shares exercised at $24.42 (code M) and 8,000 sold at $73.49 (code S) the same day — mirrored again on 2026-06-01 at a $75.67 sale price. Awards continue (e.g., 2026-07-01 code-A lines of 2,301 and 5,369 shares). This is option-monetization cadence, not open-market accumulation — the zero buy total and the active exercise-sale pairs are the contradiction.

Two numbers refuse to sit together in Spencer R. Berthelsen's Form 4 history. The aggregate across all 174 transactions shows zero total shares bought. The recent transaction list, however, is crowded with code-M option exercises that briefly create shares — which then leave via code-S sales. The buy counter stays at zero because exercises are not open-market purchases; the economic story is still monetization.

One issuer lineage
Total Transactions
174
Total Buy Value
$0
Total Sell Value
$3.99M
Net Activity
$-3.99M
Last Transaction
Jul 2026
Companies
1

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
5,220
Price
-
Value
-
Type
Exercise
Shares
5,220
Price
-
Value
-
Type
Award
Shares
2,301
Price
-
Value
-
Type
Award
Shares
5,369
Price
$79.19
Value
$425K
Type
Exercise
Shares
8,000
Price
$24.42
Value
$195K
Type
Sale
Shares
8,000
Price
$73.49
Value
$588K
Type
Exercise
Shares
8,000
Price
$24.42
Value
$195K
Type
Exercise
Shares
8,000
Price
$24.42
Value
$195K
Type
Sale
Shares
8,000
Price
$75.67
Value
$605K
Type
Exercise
Shares
8,000
Price
$24.42
Value
$195K
Type
Exercise
Shares
4,079
Price
-
Value
-
Type
Exercise
Shares
4,079
Price
-
Value
-
Type
Award
Shares
5,220
Price
-
Value
-
Type
Award
Shares
11,518
Price
-
Value
-
Type
Exercise
Shares
4,677
Price
-
Value
-
Type
Exercise
Shares
4,677
Price
-
Value
-
Type
Award
Shares
4,079
Price
-
Value
-
Type
Award
Shares
10,111
Price
-
Value
-
Type
Exercise
Shares
16,000
Price
-
Value
-
Type
Sale
Shares
16,000
Price
$40.29
Value
$645K