Arkolith/Insider Trading/TNDM/Form 4

Morrison Susan

EVP & Chief Admin. OfficerTANDEM 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)2K—$044K
May 15, 2026Tax withholding(F)430$12.82$6K44K
May 15, 2026Option exercise(M)1K—$045K
May 15, 2026Tax withholding(F)314$12.82$4K44K
May 15, 2026Option exercise(M)7K—$051K
May 15, 2026Tax withholding(F)2K$12.82$25K49K
May 15, 2026Grant(A)1K$10.90$15K51K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)2K—$00
May 15, 2026Option exercise(M)1K—$04K
May 15, 2026Option exercise(M)7K—$014K

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 0001438133-26-000060) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML