DUGGAN ROBERT W
SEC insider (Form 3/4/5 filer). CIK 0001055919. Director & 10% Owner at PULSE BIOSCIENCES, INC. (PLSE) and 1 other issuer. 30 reported Form 4/5 transactions since Sep 2024; latest on Jun 12, 2026. Located in MIAMI, FL.
Companies DUGGAN ROBERT W has filed insider reports for
- PULSE BIOSCIENCES, INC. (PLSE): Director, 10% Owner
- Summit Therapeutics Inc. (SMMT): Director, Officer, 10% Owner, Co-Chief Executive Officer
DUGGAN ROBERT W
CIK: 0001055919
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Jun 12, 2026SMMT
Summit Therapeutics Inc.
PurchaseDirect3.8M shares at avg. $13.12$50.0M - Jun 11, 2026PLSE
PULSE BIOSCIENCES, INC.
AwardDirectStock Option (right to buy)
30K shares- - Jun 11, 2026PLSE
PULSE BIOSCIENCES, INC.
AwardDirectStock Option (right to buy)
12.5K shares- - Jun 4, 2026SMMT
Summit Therapeutics Inc.
PurchaseIndirect100K shares at avg. $14.60$1.5M - May 11, 2026PLSE
PULSE BIOSCIENCES, INC.
PurchaseDirect660.2K shares at avg. $19.69$13.0M - Jan 2, 2026SMMT
Summit Therapeutics Inc.
AwardDirectStock Option (right to buy)
11.2K shares at avg. $8.76- - Oct 21, 2025SMMT
Summit Therapeutics Inc.
PurchaseIndirect26.7K shares at avg. $18.74$500K - Oct 21, 2025SMMT
Summit Therapeutics Inc.
AwardDirect14M shares at avg. $18.74$262.0M - Oct 21, 2025SMMT
Summit Therapeutics Inc.
AwardIndirect266.8K shares at avg. $18.74$5.0M - Sep 11, 2025SMMT
Summit Therapeutics Inc.
PurchaseDirect5K shares at avg. $18.07$90K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 12, 2026 |  SMMT Summit Therapeutics Inc. | Purchase | 3,810,000 | $13.12 | $49,987,200 | Direct |
| Jun 11, 2026 |  PLSE PULSE BIOSCIENCES, INC. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
| Jun 11, 2026 | PLSE PULSE BIOSCIENCES, INC. | Award Stock Option (right to buy) | 12,495 | - | - | Direct |
| Jun 4, 2026 | SMMT Summit Therapeutics Inc. | Purchase | 100,000 | $14.60 | $1,460,000 | Indirect |
| May 11, 2026 | PLSE PULSE BIOSCIENCES, INC. | Purchase | 660,233 | $19.69 | $12,999,988 | Direct |
| Jan 2, 2026 | SMMT Summit Therapeutics Inc. | Award Stock Option (right to buy) | 11,232 | $8.76 | - | Direct |
| Oct 21, 2025 | SMMT Summit Therapeutics Inc. | Purchase | 26,680 | $18.74 | $499,983 | Indirect |
| Oct 21, 2025 | SMMT Summit Therapeutics Inc. | Award | 13,980,789 | $18.74 | $261,999,986 | Direct |
| Oct 21, 2025 | SMMT Summit Therapeutics Inc. | Award | 266,808 | $18.74 | $4,999,982 | Indirect |
| Sep 11, 2025 | SMMT Summit Therapeutics Inc. | Purchase | 5,000 | $18.07 | $90,350 | Direct |
1-10 of 30 transactions