QUODD

Insider Transactions last 24 months for 374Water Inc. - NSDQ: SCWO

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Jones Stephen J	Interim CEO	12/16/2025	AP	Direct	COM	450,000	$0.23	$103,995.00	1,055,723
Russell Kline	Chief Financial Officer	12/16/2025	AP	Direct	COM	20,000	$0.22	$4,400.00	668,642
Nagar Yaacov	Other	10/23/2025	DS	Direct	COM	473,211	$0.43	$205,373.57	32,112,632
Nagar Yaacov	Other	10/22/2025	DS	Direct	COM	32,791	$0.42	$13,801.73	32,646,843
Nagar Yaacov	Other	10/22/2025	DS	Direct	COM	61,000	$0.42	$25,681.00	32,585,843
Nagar Yaacov	Other	10/21/2025	DS	Direct	COM	284,394	$0.42	$119,559.24	32,679,634
Nagar Yaacov	Other	10/20/2025	DS	Direct	COM	13,330	$0.42	$5,609.26	32,964,028
Nagar Yaacov	Other	10/17/2025	DS	Direct	COM	131,680	$0.42	$55,700.64	32,977,358
Nagar Yaacov	Other	10/16/2025	DS	Direct	COM	85,419	$0.51	$43,785.78	33,109,038
Nagar Yaacov	Other	10/15/2025	DS	Direct	COM	363,868	$0.52	$188,447.24	33,194,457
Nagar Yaacov	Other	10/14/2025	DS	Direct	COM	700,000	$0.52	$361,410.00	33,558,325
Nagar Yaacov	Other	10/08/2025	DS	Direct	COM	1,499,000	$0.46	$695,685.90	34,258,325
Nagar Yaacov	Other	10/07/2025	DS	Direct	COM	1,000	$0.39	$390.00	35,757,325
Nagar Yaacov	Other	09/08/2025	DS	Direct	COM	54,850	$0.40	$21,901.61	35,758,325
Nagar Yaacov	Other	09/05/2025	DS	Direct	COM	122,439	$0.39	$48,094.04	35,813,175
Nagar Yaacov	Other	08/29/2025	DS	Direct	COM	22,711	$0.39	$8,857.29	35,935,614
Penn Buddie J	Director	08/28/2025	AA	Direct	COM	387,962	$0.00	$0.00	577,962
Penn Buddie J	Director	08/28/2025	AA	Direct	COM	130,000	$0.00	$0.00	190,000
Pawloski James	Director	08/28/2025	AA	Direct	COM	426,131	$0.00	$0.00	619,431
Vanderhider James Michael	Director	08/28/2025	AA	Direct	COM	426,130	$0.00	$0.00	596,130
Vanderhider James Michael	Director	08/28/2025	AA	Direct	COM	130,000	$0.00	$0.00	170,000
Estes Deanna Rene	Director	08/28/2025	AA	Direct	COM	616,970	$0.00	$0.00	853,470
Estes Deanna Rene	Director	08/28/2025	AA	Direct	COM	130,000	$0.00	$0.00	236,500
Melkote Rajesh Ramaswamy	Chief Technology Officer	08/28/2025	AA	Direct	COM	125,000	$0.00	$0.00	882,756
Russell Kline	Chief Financial Officer	08/28/2025	AA	Direct	COM	250,000	$0.00	$0.00	648,642

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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		Send to Excel

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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