Form 4 for APPN APPIAN CORP

Accepted 2026-09-11 16:17:38 ET · period of report 2026-09-09 · accession 0001362638-26-000012 · 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
D	2026-09-11 16:17	2026-09-09	APPN	Kilberg Bobbie G	Dir	C - Cnv Deriv	—	+10.8K	10.8K	New	—
DM	2026-09-11 16:17	2026-09-09	APPN	Kilberg Bobbie G	Dir	M - OptEx	$5.58	0	10.8K	New	$0
D	2026-09-11 16:17	2026-09-09	APPN	Kilberg Bobbie G	Dir	C - Cnv Deriv	$0.00	-10.8K	0	-100%	$0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A Common Stock	2026-09-09	C	A	10,800	—	10,800	D	—	—	(F1) Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock. (F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))
2	Derivative	Stock Option (Right to Buy)	2026-09-09	M	D	10,800	$0.00	0	D	$11.17 · — to 2027-01-31	10,800 Class B Common Stock	(F5) Fully vested.
3	Derivative	Class B Common Stock	2026-09-09	M	A	10,800	$11.17	10,800	D	— · — to —	10,800 Class A Common Stock	(F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3)) (F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3)) (F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))
4	Derivative	Class B Common Stock	2026-09-09	C	D	10,800	$0.00	0	D	— · — to —	10,800 Class A Common Stock	(F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3)) (F1) Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock. (F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3)) (F2) (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued. (F3) Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))