DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 25,334 Value ($000) $3,445 Avg Close $158.02 Range $135.11 - $201.69

Q3 2025

Shares 6,949 Value ($000) $990 Avg Close $137.70 Range $123.42 - $157.38

Q2 2025

Shares 4,274 Value ($000) $574 Avg Close $110.71 Range $81.63 - $135.41

Q1 2025

Shares 2,373 Value ($000) $235 Avg Close $126.18 Range $96.63 - $153.42

Q4 2024

Shares 15,755 Value ($000) $2,251 Avg Close $137.35 Range $113.08 - $170.08

Q3 2024

Shares 7,750 Value ($000) $892 Avg Close $116.83 Range $98.80 - $134.80

Q2 2024

Shares 30,469 Value ($000) $3,952 Avg Close $120.98 Range $107.30 - $132.90

Q1 2024

Shares 14,145 Value ($000) $1,748 Avg Close $125.70 Range $110.69 - $138.61

Q4 2023

Shares 19,228 Value ($000) $2,334 Avg Close $103.00 Range $77.81 - $124.69

Q3 2023

Shares 14,389 Value ($000) $1,311 Avg Close $98.92 Range $83.87 - $118.02

Q2 2023

Shares 13,165 Value ($000) $1,295 Avg Close $83.62 Range $62.60 - $103.80

Q1 2023

Shares 15,183 Value ($000) $1 Avg Close $73.42 Range $61.34 - $90.01

Q4 2022

Shares 9,322 Value ($000) $1 Avg Close $78.12 Range $66.45 - $97.31

Q3 2022

Shares 48,344 Value ($000) $4,292 Avg Close $100.71 Range $84.46 - $120.75

Q2 2022

Shares 27,443 Value ($000) $2,614 Avg Close $109.90 Range $81.12 - $159.00

Q1 2022

Shares 47,060 Value ($000) $7,128 Avg Close $146.28 Range $113.89 - $184.70

Q4 2021

Shares 19,527 Value ($000) $3,478 Avg Close $169.72 Range $134.63 - $199.68

Q3 2021

Shares 175 Value ($000) $25 Avg Close $126.28 Range $101.38 - $150.67

Q2 2021

Shares 1,126 Value ($000) $117 Avg Close $90.34 Range $69.73 - $107.40

Q1 2021

Shares 6,686 Value ($000) $557 Avg Close $96.41 Range $74.53 - $119.43

Q4 2020

Shares 42 Value ($000) $4 Avg Close $99.80 Range $79.76 - $118.13

Q3 2020

Shares 659 Value ($000) $67 Avg Close $87.05 Range $72.60 - $107.99

Q2 2020

Shares 2,970 Value ($000) $258 Avg Close $60.88 Range $33.04 - $93.00

Q3 2019

Shares 243 Value ($000) $8 Avg Close $34.77 Range $30.47 - $41.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,334	$3,445	$158.02	$135.11 - $201.69
Q3 2025	6,949	$990	$137.70	$123.42 - $157.38
Q2 2025	4,274	$574	$110.71	$81.63 - $135.41
Q1 2025	2,373	$235	$126.18	$96.63 - $153.42
Q4 2024	15,755	$2,251	$137.35	$113.08 - $170.08
Q3 2024	7,750	$892	$116.83	$98.80 - $134.80
Q2 2024	30,469	$3,952	$120.98	$107.30 - $132.90
Q1 2024	14,145	$1,748	$125.70	$110.69 - $138.61
Q4 2023	19,228	$2,334	$103.00	$77.81 - $124.69
Q3 2023	14,389	$1,311	$98.92	$83.87 - $118.02
Q2 2023	13,165	$1,295	$83.62	$62.60 - $103.80
Q1 2023	15,183	$1	$73.42	$61.34 - $90.01
Q4 2022	9,322	$1	$78.12	$66.45 - $97.31
Q3 2022	48,344	$4,292	$100.71	$84.46 - $120.75
Q2 2022	27,443	$2,614	$109.90	$81.12 - $159.00
Q1 2022	47,060	$7,128	$146.28	$113.89 - $184.70
Q4 2021	19,527	$3,478	$169.72	$134.63 - $199.68
Q3 2021	175	$25	$126.28	$101.38 - $150.67
Q2 2021	1,126	$117	$90.34	$69.73 - $107.40
Q1 2021	6,686	$557	$96.41	$74.53 - $119.43
Q4 2020	42	$4	$99.80	$79.76 - $118.13
Q3 2020	659	$67	$87.05	$72.60 - $107.99
Q2 2020	2,970	$258	$60.88	$33.04 - $93.00
Q3 2019	243	$8	$34.77	$30.47 - $41.44