Ellen Detrich

Insider

First SEC filing: Feb. 27, 2025 · Latest: Feb. 27, 2025

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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

TCBIO selling July 24, 2026

Insider transactions

0 buys (P) 1 sells (S) Net: $-204,561 + 43 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

43 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 24, 2026	TCBIO	S	2,045	$100.03	$204,561	7,529 Direct	-21.36%	Disposed	-79.5% (price as of 2026-08-20)
Feb. 26, 2025	TCBIO	M	378	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 26, 2025	TCBIO	F	93	$78.15	$7,268	8,591 Direct	-1.07%	Disposed	-73.8% (price as of 2026-08-20)
Feb. 26, 2025	TCBIO	M	378	—	—	8,684 Direct	+4.55%	Acquired	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	264	—	—	264 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	294	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	1,521	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	F	64	$83.00	$5,312	8,306 Direct	-0.76%	Disposed	-75.3% (price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	264	—	—	8,370 Direct	+3.26%	Acquired	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	F	88	$83.00	$7,304	8,106 Direct	-1.07%	Disposed	-75.3% (price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	294	—	—	8,194 Direct	+3.72%	Acquired	(price as of 2026-08-20)
Feb. 7, 2025	TCBIO	F	452	$83.00	$37,516	7,900 Direct	-5.41%	Disposed	-75.3% (price as of 2026-08-20)
Feb. 7, 2025	TCBIO	M	1,521	—	—	8,352 Direct	+22.27%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	TCBIO	M	377	—	—	378 Direct	-49.93%	Disposed	(price as of 2026-08-20)
Feb. 26, 2024	TCBIO	F	92	$58.06	$5,342	6,831 Direct	-1.33%	Disposed	-64.7% (price as of 2026-08-20)
Feb. 26, 2024	TCBIO	M	377	—	—	6,923 Direct	+5.76%	Acquired	(price as of 2026-08-20)
Feb. 9, 2024	TCBIO	M	556	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 9, 2024	TCBIO	F	165	$59.27	$9,780	6,546 Direct	-2.46%	Disposed	-65.4% (price as of 2026-08-20)
Feb. 9, 2024	TCBIO	M	556	—	—	6,711 Direct	+9.03%	Acquired	(price as of 2026-08-20)
Feb. 9, 2024	TCBIO	M	264	—	—	528 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 9, 2024	TCBIO	F	79	$59.27	$4,682	6,155 Direct	-1.27%	Disposed	-65.4% (price as of 2026-08-20)
Feb. 9, 2024	TCBIO	M	264	—	—	6,234 Direct	+4.42%	Acquired	(price as of 2026-08-20)
Feb. 8, 2024	TCBIO	M	294	—	—	294 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 8, 2024	TCBIO	F	88	$59.37	$5,225	5,970 Direct	-1.45%	Disposed	-65.5% (price as of 2026-08-20)
Feb. 8, 2024	TCBIO	M	294	—	—	6,058 Direct	+5.10%	Acquired	(price as of 2026-08-20)
June 29, 2023	TCBIO	M	1,150	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 29, 2023	TCBIO	F	280	$52.18	$14,610	5,764 Direct	-4.63%	Disposed	-60.8% (price as of 2026-08-20)
June 29, 2023	TCBIO	M	1,150	—	—	6,044 Direct	+23.50%	Acquired	(price as of 2026-08-20)
Feb. 27, 2023	TCBIO	F	93	$65.92	$6,131	8,735 Direct	-1.05%	Disposed	-68.9% (price as of 2026-08-20)
Feb. 13, 2023	TCBIO	F	239	$67.02	$16,018	8,828 Direct	-2.64%	Disposed	-69.4% (price as of 2026-08-20)
Feb. 9, 2023	TCBIO	A	792	—	—	9,067 Direct	+9.57%	Acquired	(price as of 2026-08-20)
Feb. 8, 2023	TCBIO	F	87	$68.39	$5,950	8,275 Direct	-1.04%	Disposed	-70.1% (price as of 2026-08-20)
June 29, 2022	TCBIO	F	560	$53.29	$29,842	8,362 Direct	-6.28%	Disposed	-61.6% (price as of 2026-08-20)
Feb. 25, 2022	TCBIO	F	112	$66.33	$7,429	8,922 Direct	-1.24%	Disposed	-69.1% (price as of 2026-08-20)
Feb. 11, 2022	TCBIO	F	124	$67.99	$8,431	9,034 Direct	-1.35%	Disposed	-69.9% (price as of 2026-08-20)
Feb. 11, 2022	TCBIO	F	165	$67.99	$11,218	9,158 Direct	-1.77%	Disposed	-69.9% (price as of 2026-08-20)
Feb. 8, 2022	TCBIO	A	881	—	—	9,323 Direct	+10.44%	Acquired	(price as of 2026-08-20)
Feb. 26, 2021	TCBIO	A	1,510	—	—	8,442 Direct	+21.78%	Acquired	(price as of 2026-08-20)
Feb. 12, 2021	TCBIO	F	125	$69.80	$8,725	6,932 Direct	-1.77%	Disposed	-70.7% (price as of 2026-08-20)
Feb. 11, 2021	TCBIO	F	165	$69.26	$11,428	7,057 Direct	-2.28%	Disposed	-70.4% (price as of 2026-08-20)
June 29, 2020	TCBIO	A	3,449	—	—	7,222 Direct	+91.41%	Acquired	(price as of 2026-08-20)
Feb. 12, 2020	TCBIO	A	2,223	—	—	3,773 Direct	+143.42%	Acquired	(price as of 2026-08-20)
Feb. 12, 2020	TCBIO	F	124	$56.47	$7,002	1,550 Direct	-7.41%	Disposed	-63.7% (price as of 2026-08-20)
Feb. 12, 2019	TCBIO	A	1,674	—	—	1,674 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
Feb. 26, 2025	TCBIO	Restricted Stock Units	Common Stock (378)	$0.00	—	378	Disposed
Feb. 7, 2025	TCBIO	Restricted Stock Units	Common Stock (264)	$0.00	—	264	Disposed
Feb. 7, 2025	TCBIO	Restricted Stock Units	Common Stock (294)	$0.00	—	294	Disposed
Feb. 7, 2025	TCBIO	2022 Performance Stock Units	Common Stock	$0.00	March 15, 2025	1,521	Disposed
Feb. 26, 2024	TCBIO	Restricted Stock Units	Common Stock (377)	$0.00	—	377	Disposed
Feb. 9, 2024	TCBIO	Restricted Stock Units	Common Stock (556)	$0.00	—	556	Disposed
Feb. 9, 2024	TCBIO	Restricted Stock Units	Common Stock (264)	$0.00	—	264	Disposed
Feb. 8, 2024	TCBIO	Restricted Stock Units	Common Stock (294)	$0.00	—	294	Disposed
June 29, 2023	TCBIO	Restricted Stock Units	Common Stock (1,150)	$0.00	—	1,150	Disposed

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