Pulse Biosciences, Inc. (PLSE) Insider Trading
Over the last 3 months, PLSE insiders made 3 open-market buys and 0 sales, a net purchase of $26.3M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 57 institutions increased and 51 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
3
Sells (3m)
0
Net (3m)
$26.3M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Dec
Jun
Sep
Oct
Feb
May
Context3-month price +38.1%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 15, 2026 | DUGGAN ROBERT Wdirector, 10 percent owner: | Buy | 660,233 | $19.69 |
| May 11, 2026 | LAVIOLETTE PAUL Adirector, officer: Chief Executive Officer | Buy | 15,000 | $19.69 |
| May 11, 2026 | DUGGAN ROBERT Wdirector, 10 percent owner: | Buy | 660,233 | $19.69 |
| Apr 3, 2026 | UECKER DARRINdirector, officer: Chief Technology Officer | Grant | 100,000 | — |
| Feb 23, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 5,000 | $23.64 |
| Feb 23, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 5,000 | $1.53 |
| Feb 17, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 20,000 | $23.53 |
| Feb 17, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 20,000 | $1.53 |
| Feb 11, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 20,000 | $23.52 |
| Feb 11, 2026 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 20,000 | $1.53 |
| Feb 6, 2026 | Sainz Mariadirector | Grant | 50,000 | $14.72 |
| Feb 6, 2026 | Sainz Mariadirector | Grant | 3,104 | $13.69 |
| Oct 7, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 4,600 | $1.53 |
| Oct 7, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 4,600 | $18.53 |
| Sep 22, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 20,000 | $18.49 |
| Sep 22, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 400 | $1.53 |
| Sep 22, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Option | 20,000 | $1.53 |
| Sep 22, 2025 | Danahy Kevin Patrickofficer: Chief Commercial Officer | Sell | 400 | $18.48 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Option | 25,000 | $4.00 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Option | 20,000 | $4.00 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Sell | 25,000 | $16.28 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Sell | 20,000 | $16.21 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Option | 100,000 | $4.00 |
| Sep 18, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Option | 61,534 | $4.00 |
| Sep 15, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Sell | 25,000 | $14.32 |
| Sep 15, 2025 | UECKER DARRINdirector, officer: Chief Technology Officer | Option | 25,000 | $4.00 |
| Sep 12, 2025 | DUGGAN ROBERT Wdirector, 10 percent owner: | Buy | 34,659 | $14.66 |
| Sep 12, 2025 | DUGGAN ROBERT Wdirector, 10 percent owner: | Buy | 145,140 | $14.41 |
| Sep 12, 2025 | DUGGAN ROBERT Wdirector, 10 percent owner: | Buy | 12,800 | $14.77 |
| Aug 19, 2025 | Zanganeh Mahkamdirector | Grant | 30,000 | $16.16 |
Source: PLSE SEC Form 4 filings, latest May 15, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PLSE positions over the last 6 months (SEC Form 13F).
Increased
57
New positions
38
Reduced
51
Sold out
25
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 1.4M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 1.3M | May 13, 2026 |
| VANGUARD GROUP INC | Increased | 1.1M | Jan 29, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 866K | May 18, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 816K | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 805K | Feb 3, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 800K | Feb 17, 2026 |
| PORTOLAN CAPITAL MANAGEMENT, LLC | Increased | 733K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 492K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 465K | Feb 9, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | New Position | 463K | May 14, 2026 |
| STATE STREET CORP | Increased | 457K | May 15, 2026 |
| STATE STREET CORP | Increased | 447K | Feb 13, 2026 |
| PORTOLAN CAPITAL MANAGEMENT, LLC | Increased | 393K | Feb 17, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | New Position | 265K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.