SCHEDULE 13D/A Filed 2026-05-13 Event 2026-05-11 SEC 0001193125-26-222151 →

DUGGAN ROBERT W → Pulse Biosciences, Inc. PLSE

Stake: — Shares: 49,706,423 Class: Common Stock, par value $0.001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

20 transactions

12 buys · 1 sales · 7 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

18 filings by this filer

17 other filings in the data moat

Short Interest · settle 2026-04-30

DTC 12.11

2,924,507 shares short · +0.6% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-11	DUGGAN ROBERT W	director, 10%+ owner	Buy	660,233	$19.69	$13.00M
2026-05-11	LAVIOLETTE PAUL A	director, officer	Buy	15,000	$19.69	$295K
2026-05-11	LAVIOLETTE PAUL A	director, officer	Buy	15,000	$19.69	$295K
2026-05-11	DUGGAN ROBERT W	director, 10%+ owner	Buy	660,233	$19.69	$13.00M
2026-03-23	UECKER DARRIN	director, officer	Award	100,000	—	—
2026-02-18	Danahy Kevin Patrick	officer	Option exercise	5,000	$1.53	$8K
2026-02-12	Danahy Kevin Patrick	officer	Option exercise	20,000	$1.53	$31K
2026-02-09	Danahy Kevin Patrick	officer	Option exercise	20,000	$1.53	$31K
2026-01-08	Sainz Maria	director	Award	50,000	$14.72	$736K
2025-10-02	Danahy Kevin Patrick	officer	Option exercise	4,600	$1.53	$7K
2025-09-18	Danahy Kevin Patrick	officer	Option exercise	20,000	$1.53	$31K
2025-09-16	UECKER DARRIN	director, officer	Option exercise	25,000	$4.00	$100K
2025-09-11	UECKER DARRIN	director, officer	Option exercise	25,000	$4.00	$100K
2025-09-10	DUGGAN ROBERT W	director, 10%+ owner	Buy	34,659	$14.66	$508K
2025-08-15	van den Broek Richard	director	Award	30,000	$16.16	$485K
2025-08-15	Zanganeh Mahkam	director	Award	30,000	$16.16	$485K
2025-08-15	DUGGAN ROBERT W	director, 10%+ owner	Award	30,000	$16.16	$485K
2025-08-15	Soni Manmeet Singh	director	Award	30,000	$16.16	$485K
2025-07-14	Weber Steven	officer	Award	55,000	$16.03	$882K
2025-06-12	UECKER DARRIN	director, officer	Sale	15,000	$16.40	$246K

Other 13D/G Filings on Pulse Biosciences, Inc.

Filed	Form	Filer	Stake	Shares
2024-07-08	SC	DUGGAN ROBERT W	—	—	view →
2021-07-02	SC	DUGGAN ROBERT W	—	—	view →
2021-05-11	SC	DUGGAN ROBERT W	—	—	view →
2018-02-26	SC	MARLETT CHRISTOPHER A	—	—	view →

Other Filings by DUGGAN ROBERT W

Filed	Form	Issuer	Stake	Shares
2024-07-08	SC	PULSE BIOSCIENCES, INC. PLSE	—	—	view →
2022-08-18	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2021-07-02	SC	Pulse Biosciences, Inc. PLSE	—	—	view →
2021-05-14	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2021-05-11	SC	Pulse Biosciences, Inc. PLSE	—	—	view →
2021-04-22	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2021-03-26	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2020-11-10	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2020-10-07	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2020-01-16	SC	Summit Therapeutics plc SMMT	—	—	view →
2019-12-27	SC	Summit Therapeutics plc SMMT	—	—	view →
2019-04-05	SC	Achaogen, Inc.	—	—	view →
2019-03-20	SC	Achaogen, Inc.	—	—	view →
2019-01-18	SC	Aurinia Pharmaceuticals Inc. AUPH	—	—	view →
2018-05-07	SC	Achaogen Inc	—	—	view →
2018-04-24	SC	Achaogen Inc	—	—	view →
2018-03-14	SC	Achaogen Inc	—	—	view →

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