Form 4 for PEN Penumbra Inc

Accepted 2026-08-19 19:23:17 ET · period of report 2026-08-17 · accession 0002086163-26-000008 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2026-08-19 19:23	2026-08-17	PEN	Narayan Shruthi	Pres	A - Grant	$0.00	+3,060	33.9K	+10%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-08-17	A	A	3,060	$0.00	33,880	D	—	—	(F1) On August 17, 2026, the Reporting Person was granted 3,060 restricted stock units ("RSUs") under the Issuer's Amended and Restated 2014 Equity Incentive Plan, of which 1/4 of the RSUs (each, an "Equity Grant Tranche") will vest equally on an annual basis, beginning on August 15, 2027, subject to continued service by the Reporting Person on the applicable vesting date. Notwithstanding the foregoing, if the Closing (as defined in that certain Agreement and Plan of Merger, dated as of January 14, 2026, among the Issuer, Boston Scientific Corporation and Pinehurst Merger Sub, Inc.) occurs, the RSUs will vest as follows: the first two Equity Grant Tranches (to the extent not already vested) shall vest on the Closing, and the last two Equity Grant Tranches (to the extent not already vested) shall vest on the first and second anniversaries of the Closing, respectively, subject to continued service by the Reporting Person on the applicable vesting date. (F2) A portion of these shares is subject to vesting. (F3) Includes 65 shares purchased by the Reporting Person under the Issuer's Employee Stock Purchase Plan on May 19, 2026.