QUODD

Insider: WEHRWEIN SVEN

Company Holdings	All	ATRC	SPSC	PRLB

Company Holdings

All

ATRC

SPSC

PRLB

	Direct	Indirect Ownership	Total
Shares	65,914	0	65,914
Value	$3,734,219.88	$0.00	$3,734,219.88

Ticker	Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
ATRC	08/22/2025	DDS	5,000	Direct	COM	$37.00	$185,000.00	34,374
ATRC	08/19/2025	DDS	5,000	Direct	COM	$36.00	$180,000.00	34,374
SPSC	08/09/2024	DDS	1,058	Direct	COM	$200.40	$212,023.83	17,154
SPSC	08/09/2024	DDS	542	Direct	COM	$202.63	$109,825.35	16,212
SPSC	08/09/2024	DDS	400	Direct	COM	$202.14	$80,855.00	16,754
SPSC	02/15/2024	DDS	768	Direct	COM	$194.08	$149,054.36	17,387
SPSC	02/15/2024	DDS	1,640	Direct	COM	$198.41	$325,397.81	15,747
SPSC	02/14/2024	DDS	958	Direct	COM	$192.22	$184,145.61	19,429
SPSC	02/14/2024	DDS	400	Direct	COM	$195.71	$78,285.52	17,387
SPSC	02/14/2024	DDS	800	Direct	COM	$193.64	$154,914.80	18,629
SPSC	02/14/2024	DDS	842	Direct	COM	$194.88	$164,087.70	17,787
SPSC	11/02/2023	DDS	500	Direct	COM	$163.97	$81,983.00	17,387
SPSC	11/01/2023	DDS	880	Direct	COM	$160.36	$141,117.33	17,507
SPSC	11/01/2023	DDS	120	Direct	COM	$161.13	$19,336.15	17,387
SPSC	08/11/2023	DDS	1,000	Direct	COM	$170.03	$170,028.20	17,387
SPSC	03/14/2023	DDS	1,000	Direct	COM	$145.37	$145,372.50	17,684
SPSC	08/15/2022	DDS	1,000	Direct	COM	$132.99	$132,990.00	17,684
SPSC	08/05/2022	DDS	1,000	Direct	COM	$131.00	$131,000.00	17,684
SPSC	11/18/2021	DDS	1,100	Direct	COM	$150.06	$165,066.22	16,846
SPSC	11/17/2021	DDS	900	Direct	COM	$150.13	$135,116.46	16,846
SPSC	11/16/2021	DDS	2,362	Direct	COM	$149.29	$352,632.66	16,846
SPSC	08/04/2021	DDS	2,000	Direct	COM	$112.19	$224,380.00	16,846
SPSC	08/03/2021	DDS	3,000	Direct	COM	$111.32	$333,954.00	16,846
ATRC	05/03/2021	DDS	5,000	Direct	COM	$77.75	$388,750.00	12,686
ATRC	05/03/2021	DDS	5,000	Direct	COM	$78.19	$390,950.00	12,686

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Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
08/22/2025	DDS	5,000	Direct	COM	$37.00	$185,000.00	34,374
08/19/2025	DDS	5,000	Direct	COM	$36.00	$180,000.00	34,374
05/03/2021	DDS	5,000	Direct	COM	$77.75	$388,750.00	12,686
05/03/2021	DDS	5,000	Direct	COM	$78.19	$390,950.00	12,686

Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
08/09/2024	DDS	1,058	Direct	COM	$200.40	$212,023.83	17,154
08/09/2024	DDS	542	Direct	COM	$202.63	$109,825.35	16,212
08/09/2024	DDS	400	Direct	COM	$202.14	$80,855.00	16,754
02/15/2024	DDS	768	Direct	COM	$194.08	$149,054.36	17,387
02/15/2024	DDS	1,640	Direct	COM	$198.41	$325,397.81	15,747
02/14/2024	DDS	958	Direct	COM	$192.22	$184,145.61	19,429
02/14/2024	DDS	400	Direct	COM	$195.71	$78,285.52	17,387
02/14/2024	DDS	800	Direct	COM	$193.64	$154,914.80	18,629
02/14/2024	DDS	842	Direct	COM	$194.88	$164,087.70	17,787
11/02/2023	DDS	500	Direct	COM	$163.97	$81,983.00	17,387
11/01/2023	DDS	880	Direct	COM	$160.36	$141,117.33	17,507
11/01/2023	DDS	120	Direct	COM	$161.13	$19,336.15	17,387
08/11/2023	DDS	1,000	Direct	COM	$170.03	$170,028.20	17,387
03/14/2023	DDS	1,000	Direct	COM	$145.37	$145,372.50	17,684
08/15/2022	DDS	1,000	Direct	COM	$132.99	$132,990.00	17,684
08/05/2022	DDS	1,000	Direct	COM	$131.00	$131,000.00	17,684
11/18/2021	DDS	1,100	Direct	COM	$150.06	$165,066.22	16,846
11/17/2021	DDS	900	Direct	COM	$150.13	$135,116.46	16,846
11/16/2021	DDS	2,362	Direct	COM	$149.29	$352,632.66	16,846
08/04/2021	DDS	2,000	Direct	COM	$112.19	$224,380.00	16,846
08/03/2021	DDS	3,000	Direct	COM	$111.32	$333,954.00	16,846
11/02/2020	DDS	4,506	Direct	COM	$86.07	$387,821.96	15,910
08/05/2020	DDS	2,620	Direct	COM	$75.30	$197,295.43	15,910
08/04/2020	DDS	3,000	Direct	COM	$75.19	$225,576.00	15,910
05/07/2020	DDS	9,680	Direct	COM	$59.62	$577,118.70	14,470

Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
08/12/2020	DDS	762	Direct	COM	$131.00	$99,822.00	14,386
08/11/2020	DDS	4,000	Direct	COM	$130.05	$520,213.20	14,386
05/30/2018	DDS	1,000	Direct	COM	$125.00	$125,000.00	11,878
02/14/2018	DDS	2,000	Direct	COM	$107.00	$214,000.00	11,814

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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