James Costos

Insider

First SEC filing: June 18, 2026 · Latest: June 18, 2026

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

PJT selling Nov. 7, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 59 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

59 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 17, 2026	PJT	A	14	—	—	9,705 Direct	+0.14%	Acquired	(price as of 2026-08-20)
June 1, 2026	PJT	A	1,200	—	—	9,691 Direct	+14.13%	Acquired	(price as of 2026-08-20)
June 1, 2026	PJT	M	1,929	—	—	8,491 Direct	-18.51%	Disposed	(price as of 2026-08-20)
June 1, 2026	PJT	M	1,929	—	—	13,012 Direct	+17.41%	Acquired	(price as of 2026-08-20)
March 18, 2026	PJT	A	19	—	—	10,420 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Dec. 17, 2025	PJT	A	15	—	—	10,401 Direct	+0.14%	Acquired	(price as of 2026-08-20)
Sept. 17, 2025	PJT	A	14	—	—	10,386 Direct	+0.13%	Acquired	(price as of 2026-08-20)
June 18, 2025	PJT	A	15	—	—	10,372 Direct	+0.14%	Acquired	(price as of 2026-08-20)
June 2, 2025	PJT	A	1,249	—	—	10,357 Direct	+13.71%	Acquired	(price as of 2026-08-20)
June 2, 2025	PJT	M	1,723	—	—	9,108 Direct	-15.91%	Disposed	(price as of 2026-08-20)
June 2, 2025	PJT	M	1,723	—	—	11,083 Direct	+18.41%	Acquired	(price as of 2026-08-20)
March 19, 2025	PJT	A	18	—	—	10,831 Direct	+0.17%	Acquired	(price as of 2026-08-20)
Dec. 18, 2024	PJT	A	17	—	—	10,813 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Nov. 7, 2024	PJT	S	1,500	$161.41	$242,115	9,360 Direct	-13.81%	Disposed	7.0% (price as of 2026-08-20)
Sept. 18, 2024	PJT	A	20	—	—	10,796 Direct	+0.19%	Acquired	(price as of 2026-08-20)
June 20, 2024	PJT	A	21	—	—	10,776 Direct	+0.20%	Acquired	(price as of 2026-08-20)
June 3, 2024	PJT	A	1,557	—	—	10,755 Direct	+16.93%	Acquired	(price as of 2026-08-20)
June 3, 2024	PJT	M	2,543	—	—	9,198 Direct	-21.66%	Disposed	(price as of 2026-08-20)
June 3, 2024	PJT	M	2,543	—	—	10,860 Direct	+30.58%	Acquired	(price as of 2026-08-20)
March 20, 2024	PJT	A	30	—	—	11,741 Direct	+0.26%	Acquired	(price as of 2026-08-20)
Dec. 20, 2023	PJT	A	29	—	—	11,711 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Sept. 20, 2023	PJT	A	36	—	—	11,682 Direct	+0.31%	Acquired	(price as of 2026-08-20)
June 21, 2023	PJT	A	40	—	—	11,646 Direct	+0.34%	Acquired	(price as of 2026-08-20)
June 1, 2023	PJT	A	2,522	—	—	11,606 Direct	+27.76%	Acquired	(price as of 2026-08-20)
June 1, 2023	PJT	M	2,546	—	—	9,084 Direct	-21.89%	Disposed	(price as of 2026-08-20)
June 1, 2023	PJT	M	2,546	—	—	8,317 Direct	+44.12%	Acquired	(price as of 2026-08-20)
March 22, 2023	PJT	A	39	—	—	11,630 Direct	+0.34%	Acquired	(price as of 2026-08-20)
Dec. 21, 2022	PJT	A	37	—	—	11,591 Direct	+0.32%	Acquired	(price as of 2026-08-20)
Sept. 21, 2022	PJT	A	42	—	—	11,554 Direct	+0.36%	Acquired	(price as of 2026-08-20)
June 22, 2022	PJT	A	40	—	—	11,512 Direct	+0.35%	Acquired	(price as of 2026-08-20)
June 1, 2022	PJT	A	2,959	—	—	11,472 Direct	+34.76%	Acquired	(price as of 2026-08-20)
March 23, 2022	PJT	A	34	—	—	8,513 Direct	+0.40%	Acquired	(price as of 2026-08-20)
Dec. 22, 2021	PJT	A	5	—	—	8,479 Direct	+0.06%	Acquired	(price as of 2026-08-20)
Oct. 18, 2021	PJT	A	288	—	—	8,474 Direct	+3.52%	Acquired	(price as of 2026-08-20)
Sept. 22, 2021	PJT	A	5	—	—	8,186 Direct	+0.06%	Acquired	(price as of 2026-08-20)
June 16, 2021	PJT	A	8	—	—	8,181 Direct	+0.10%	Acquired	(price as of 2026-08-20)
June 1, 2021	PJT	A	1,781	—	—	8,173 Direct	+27.86%	Acquired	(price as of 2026-08-20)
March 17, 2021	PJT	A	4	—	—	6,392 Direct	+0.06%	Acquired	(price as of 2026-08-20)
Feb. 8, 2021	PJT	M	3,171	—	—	6,388 Direct	-33.17%	Disposed	(price as of 2026-08-20)
Feb. 8, 2021	PJT	M	3,171	—	—	5,771 Direct	+121.96%	Acquired	(price as of 2026-08-20)
Dec. 16, 2020	PJT	A	6	—	—	9,559 Direct	+0.06%	Acquired	(price as of 2026-08-20)
Sept. 16, 2020	PJT	A	8	—	—	9,553 Direct	+0.08%	Acquired	(price as of 2026-08-20)
June 17, 2020	PJT	A	7	—	—	9,545 Direct	+0.07%	Acquired	(price as of 2026-08-20)
June 1, 2020	PJT	A	1,599	—	—	9,538 Direct	+20.14%	Acquired	(price as of 2026-08-20)
March 18, 2020	PJT	A	15	—	—	7,939 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Dec. 18, 2019	PJT	A	10	—	—	7,924 Direct	+0.13%	Acquired	(price as of 2026-08-20)
Sept. 18, 2019	PJT	A	9	—	—	7,914 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 19, 2019	PJT	A	9	—	—	7,905 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 3, 2019	PJT	A	2,363	—	—	7,896 Direct	+42.71%	Acquired	(price as of 2026-08-20)
March 26, 2019	PJT	A	7	—	—	5,533 Direct	+0.13%	Acquired	(price as of 2026-08-20)
Dec. 19, 2018	PJT	A	10	—	—	5,526 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Sept. 19, 2018	PJT	A	5	—	—	5,516 Direct	+0.09%	Acquired	(price as of 2026-08-20)
June 20, 2018	PJT	A	4	—	—	5,511 Direct	+0.07%	Acquired	(price as of 2026-08-20)
June 1, 2018	PJT	A	2,382	—	—	5,507 Direct	+76.22%	Acquired	(price as of 2026-08-20)
March 21, 2018	PJT	A	3	—	—	3,125 Direct	+0.10%	Acquired	(price as of 2026-08-20)
Dec. 20, 2017	PJT	A	3	—	—	3,122 Direct	+0.10%	Acquired	(price as of 2026-08-20)
Sept. 21, 2017	PJT	A	4	—	—	3,119 Direct	+0.13%	Acquired	(price as of 2026-08-20)
June 22, 2017	PJT	A	3	—	—	3,115 Direct	+0.10%	Acquired	(price as of 2026-08-20)
March 23, 2017	PJT	A	4	—	—	3,112 Direct	+0.13%	Acquired	(price as of 2026-08-20)
March 17, 2017	PJT	P	2,600	$38.26	$99,476	2,600 Direct	—	Acquired	351.3% (price as of 2026-08-20)
Feb. 7, 2017	PJT	A	3,108	—	—	3,108 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 17, 2026	PJT	Restricted Stock Units	Class A Common Stock (14)	—	—	14	Acquired
June 1, 2026	PJT	Restricted Stock Units	Class A Stock (1,200)	—	—	1,200	Acquired
June 1, 2026	PJT	Restricted Stock Units	Class A Stock (1,929)	—	—	1,929	Disposed
March 18, 2026	PJT	Restricted Stock Units	Class A Common Stock (19)	—	—	19	Acquired
Dec. 17, 2025	PJT	Restricted Stock Units	Class A Common Stock (15)	—	—	15	Acquired
Sept. 17, 2025	PJT	Restricted Stock Units	Class A Common Stock (14)	—	—	14	Acquired
June 18, 2025	PJT	Restricted Stock Units	Class A Common Stock (15)	—	—	15	Acquired
June 2, 2025	PJT	Restricted Stock Units	Class A Common Stock (1,249)	—	—	1,249	Acquired
June 2, 2025	PJT	Restricted Stock Units	Class A Common Stock (1,723)	—	—	1,723	Disposed
March 19, 2025	PJT	Restricted Stock Units	Class A Common Stock (18)	—	—	18	Acquired
Dec. 18, 2024	PJT	Restricted Stock Units	Class A Common Stock (17)	—	—	17	Acquired
Sept. 18, 2024	PJT	Restricted Stock Units	Class A Common Stock (20)	—	—	20	Acquired
June 20, 2024	PJT	Restricted Stock Units	Class A Common Stock (21)	—	—	21	Acquired
June 3, 2024	PJT	Restricted Stock Units	Class A Common Stock (1,557)	—	—	1,557	Acquired
June 3, 2024	PJT	Restricted Stock Units	Class A Common Stock (2,543)	—	—	2,543	Disposed
March 20, 2024	PJT	Restricted Stock Units	Class A Common Stock (30)	—	—	30	Acquired
Dec. 20, 2023	PJT	Restricted Stock Units	Class A Common Stock (29)	—	—	29	Acquired
Sept. 20, 2023	PJT	Restricted Stock Units	Class A Common Stock (36)	—	—	36	Acquired
June 21, 2023	PJT	Restricted Stock Units	Class A Common Stock (40)	—	—	40	Acquired
June 1, 2023	PJT	Restricted Stock Units	Class A Common Stock (2,522)	—	—	2,522	Acquired
June 1, 2023	PJT	Restricted Stock Units	Class A Common Stock (2,546)	—	—	2,546	Disposed
March 22, 2023	PJT	Restricted Stock Units	Class A Common Stock (39)	—	—	39	Acquired
Dec. 21, 2022	PJT	Restricted Stock Units	Class A Common Stock (37)	—	—	37	Acquired
Sept. 21, 2022	PJT	Restricted Stock Units	Class A Common Stock (42)	—	—	42	Acquired
June 22, 2022	PJT	Restricted Stock Units	Class A Common Stock (40)	—	—	40	Acquired
June 1, 2022	PJT	Restricted Stock Units	Class A Common Stock (2,959)	—	—	2,959	Acquired
March 23, 2022	PJT	Restricted Stock Units	Class A Common Stock (34)	—	—	34	Acquired
Dec. 22, 2021	PJT	Restricted Stock Units	Class A Common Stock (5)	—	—	5	Acquired
Oct. 18, 2021	PJT	Restricted Stock Units	Class A Common Stock (288)	—	—	288	Acquired
Sept. 22, 2021	PJT	Restricted Stock Units	Class A Common Stock (5)	—	—	5	Acquired
June 16, 2021	PJT	Restricted Stock Units	Class A Common Stock (8)	—	—	8	Acquired
June 1, 2021	PJT	Restricted Stock Units	Class A Common Stock (1,781)	—	—	1,781	Acquired
March 17, 2021	PJT	Restricted Stock Units	Class A Common Stock (4)	—	—	4	Acquired
Feb. 8, 2021	PJT	Restricted Stock Units	Class A Common Stock (3,171)	—	—	3,171	Disposed
Dec. 16, 2020	PJT	Restricted Stock Units	Class A Common Stock (6)	—	—	6	Acquired
Sept. 16, 2020	PJT	Restricted Stock Units	Class A Common Stock (8)	—	—	8	Acquired
June 17, 2020	PJT	Restricted Stock Units	Class A Common Stock (7)	—	—	7	Acquired
June 1, 2020	PJT	Restricted Stock Units	Class A Common Stock (1,599)	—	—	1,599	Acquired
March 18, 2020	PJT	Restricted Stock Units	Class A Common Stock (15)	—	—	15	Acquired
Dec. 18, 2019	PJT	Restricted Stock Units	Class A Common Stock (10)	—	—	10	Acquired
Sept. 18, 2019	PJT	Restricted Stock Units	Class A Common Stock (9)	—	—	9	Acquired
June 19, 2019	PJT	Restricted Stock Units	Class A Common Stock (9)	—	—	9	Acquired
June 3, 2019	PJT	Restricted Stock Units	Class A Common Stock (2,363)	—	—	2,363	Acquired
March 26, 2019	PJT	Restricted Stock Units	Class A Common Stock (7)	—	—	7	Acquired
Dec. 19, 2018	PJT	Restricted Stock Units	Class A common stock (10)	—	—	10	Acquired
Sept. 19, 2018	PJT	Restricted Stock Units	Class A common stock (5)	—	—	5	Acquired
June 20, 2018	PJT	Restricted Stock Units	Class A common stock (4)	—	—	4	Acquired
June 1, 2018	PJT	Restricted Stock Units	Class A common stock (2,382)	—	—	2,382	Acquired
March 21, 2018	PJT	Restricted Stock Units	Class A common stock (3)	—	—	3	Acquired
Dec. 20, 2017	PJT	Restricted Stock Units	Class A common stock (3)	—	—	3	Acquired
Sept. 21, 2017	PJT	Restricted Stock Units	Class A common stock (4)	—	—	4	Acquired
June 22, 2017	PJT	Restricted Stock Units	Class A common stock (3)	—	—	3	Acquired
March 23, 2017	PJT	Restricted Stock Units	Class A common stock (4)	—	—	4	Acquired
Feb. 7, 2017	PJT	Restricted Stock Units	Class A Common Stock (3,108)	—	—	3,108	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).