Arkolith/Insider Trading/TNDM/Form 4

Sheridan John F

PRESIDENT & CEO, DirectorTANDEM DIABETES CARE INC (TNDM) · full profile →Form 4 · filed May 19, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
10
7 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)5K—$0130K
May 15, 2026Tax withholding(F)3K$12.82$36K127K
May 15, 2026Option exercise(M)6K—$0133K
May 15, 2026Tax withholding(F)3K$12.82$39K130K
May 15, 2026Option exercise(M)40K—$0170K
May 15, 2026Tax withholding(F)19K$12.82$243K151K
May 15, 2026Grant(A)1K$10.90$15K152K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)5K—$00
May 15, 2026Option exercise(M)6K—$024K
May 15, 2026Option exercise(M)40K—$079K

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001438133-26-000058) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML